[automerger skipped] DO NOT MERGE - Merge PPRL.190205.001 into master am: f84e2122d6 -s ours
am: 232aaaefa5 -s ours
am skip reason: subject contains skip directive

Change-Id: I074437ea7d0df69d0f6783df46d8fe0b56635db1
diff --git a/.gitignore b/.gitignore
index 98fff82..8d6e5e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,7 +20,7 @@
 NOTICE
 README.md
 README-wear.txt
-.DS_STORE
+.DS_Store
 
 # Libraries used by the app
 # Can explicitly add if we want, but shouldn't do so blindly.  Licenses, bloat, etc.
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
new file mode 100644
index 0000000..f3db20e
--- /dev/null
+++ b/PREUPLOAD.cfg
@@ -0,0 +1,2 @@
+[Hook Scripts]
+checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT}
diff --git a/admin/AppRestrictionEnforcer/LICENSE b/admin/AppRestrictionEnforcer/LICENSE
index 4f22946..d5cf8f3 100644
--- a/admin/AppRestrictionEnforcer/LICENSE
+++ b/admin/AppRestrictionEnforcer/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
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-
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-
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diff --git a/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.jar b/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.jar
+++ b/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.properties b/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.properties
index 7b9b654..ae45383 100644
--- a/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.properties
+++ b/admin/AppRestrictionEnforcer/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Sep 09 09:42:15 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/admin/AppRestrictionEnforcer/gradlew b/admin/AppRestrictionEnforcer/gradlew
index 91a7e26..cccdd3d 100755
--- a/admin/AppRestrictionEnforcer/gradlew
+++ b/admin/AppRestrictionEnforcer/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/admin/AppRestrictionEnforcer/gradlew.bat b/admin/AppRestrictionEnforcer/gradlew.bat
index aec9973..e95643d 100644
--- a/admin/AppRestrictionEnforcer/gradlew.bat
+++ b/admin/AppRestrictionEnforcer/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/admin/AppRestrictionSchema/LICENSE b/admin/AppRestrictionSchema/LICENSE
index 4f22946..d5cf8f3 100644
--- a/admin/AppRestrictionSchema/LICENSE
+++ b/admin/AppRestrictionSchema/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
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-
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diff --git a/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.jar b/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.jar
+++ b/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.properties b/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.properties
index ade4cee..ae45383 100644
--- a/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.properties
+++ b/admin/AppRestrictionSchema/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Sep 09 09:39:55 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/admin/AppRestrictionSchema/gradlew b/admin/AppRestrictionSchema/gradlew
index 91a7e26..cccdd3d 100755
--- a/admin/AppRestrictionSchema/gradlew
+++ b/admin/AppRestrictionSchema/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/admin/AppRestrictionSchema/gradlew.bat b/admin/AppRestrictionSchema/gradlew.bat
index aec9973..e95643d 100644
--- a/admin/AppRestrictionSchema/gradlew.bat
+++ b/admin/AppRestrictionSchema/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/admin/BasicManagedProfile/LICENSE b/admin/BasicManagedProfile/LICENSE
index 4f22946..d5cf8f3 100644
--- a/admin/BasicManagedProfile/LICENSE
+++ b/admin/BasicManagedProfile/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
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-
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-----------------
-
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-
-=======================================================================
-
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diff --git a/admin/BasicManagedProfile/README.md b/admin/BasicManagedProfile/README.md
index d2ff29b..06841a8 100644
--- a/admin/BasicManagedProfile/README.md
+++ b/admin/BasicManagedProfile/README.md
@@ -38,8 +38,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -68,7 +68,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.jar b/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.jar
+++ b/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.properties b/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.properties
+++ b/admin/BasicManagedProfile/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/admin/BasicManagedProfile/gradlew b/admin/BasicManagedProfile/gradlew
index 91a7e26..cccdd3d 100755
--- a/admin/BasicManagedProfile/gradlew
+++ b/admin/BasicManagedProfile/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/admin/BasicManagedProfile/gradlew.bat b/admin/BasicManagedProfile/gradlew.bat
index aec9973..e95643d 100644
--- a/admin/BasicManagedProfile/gradlew.bat
+++ b/admin/BasicManagedProfile/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.jar b/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.jar
+++ b/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.properties b/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.properties
index e69441a..ae45383 100644
--- a/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.properties
+++ b/admin/DeviceOwner/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Jan 20 16:50:15 JST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/admin/DeviceOwner/gradlew b/admin/DeviceOwner/gradlew
index 91a7e26..cccdd3d 100755
--- a/admin/DeviceOwner/gradlew
+++ b/admin/DeviceOwner/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/admin/DeviceOwner/gradlew.bat b/admin/DeviceOwner/gradlew.bat
index aec9973..e95643d 100644
--- a/admin/DeviceOwner/gradlew.bat
+++ b/admin/DeviceOwner/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.jar b/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.jar
+++ b/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.properties b/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.properties
index 276ce8b..ae45383 100644
--- a/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.properties
+++ b/admin/NfcProvisioning/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Jan 05 15:04:16 JST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/admin/NfcProvisioning/gradlew b/admin/NfcProvisioning/gradlew
index 91a7e26..cccdd3d 100755
--- a/admin/NfcProvisioning/gradlew
+++ b/admin/NfcProvisioning/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/admin/NfcProvisioning/gradlew.bat b/admin/NfcProvisioning/gradlew.bat
index aec9973..e95643d 100644
--- a/admin/NfcProvisioning/gradlew.bat
+++ b/admin/NfcProvisioning/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/background/JobScheduler/LICENSE b/background/JobScheduler/LICENSE
index 4f22946..d5cf8f3 100644
--- a/background/JobScheduler/LICENSE
+++ b/background/JobScheduler/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
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-     licenses grant only permissions under copyright and certain
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-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
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-these terms and conditions.
-
-
-Section 1 -- Definitions.
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-  a. Adapted Material means material subject to Copyright and Similar
-     Rights that is derived from or based upon the Licensed Material
-     and in which the Licensed Material is translated, altered,
-     arranged, transformed, or otherwise modified in a manner requiring
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-     Licensor. For purposes of this Public License, where the Licensed
-     Material is a musical work, performance, or sound recording,
-     Adapted Material is always produced where the Licensed Material is
-     synched in timed relation with a moving image.
-
-  b. Adapter's License means the license You apply to Your Copyright
-     and Similar Rights in Your contributions to Adapted Material in
-     accordance with the terms and conditions of this Public License.
-
-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
-     Commons as essentially the equivalent of this Public License.
-
-  d. Copyright and Similar Rights means copyright and/or similar rights
-     closely related to copyright including, without limitation,
-     performance, broadcast, sound recording, and Sui Generis Database
-     Rights, without regard to how the rights are labeled or
-     categorized. For purposes of this Public License, the rights
-     specified in Section 2(b)(1)-(2) are not Copyright and Similar
-     Rights.
-
-  e. Effective Technological Measures means those measures that, in the
-     absence of proper authority, may not be circumvented under laws
-     fulfilling obligations under Article 11 of the WIPO Copyright
-     Treaty adopted on December 20, 1996, and/or similar international
-     agreements.
-
-  f. Exceptions and Limitations means fair use, fair dealing, and/or
-     any other exception or limitation to Copyright and Similar Rights
-     that applies to Your use of the Licensed Material.
-
-  g. License Elements means the license attributes listed in the name
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-     the Council of 11 March 1996 on the legal protection of databases,
-     as amended and/or succeeded, as well as other essentially
-     equivalent rights anywhere in the world.
-
-  n. You means the individual or entity exercising the Licensed Rights
-     under this Public License. Your has a corresponding meaning.
-
-
-Section 2 -- Scope.
-
-  a. License grant.
-
-       1. Subject to the terms and conditions of this Public License,
-          the Licensor hereby grants You a worldwide, royalty-free,
-          non-sublicensable, non-exclusive, irrevocable license to
-          exercise the Licensed Rights in the Licensed Material to:
-
-            a. reproduce and Share the Licensed Material, in whole or
-               in part, for NonCommercial purposes only; and
-
-            b. produce, reproduce, and Share Adapted Material for
-               NonCommercial purposes only.
-
-       2. Exceptions and Limitations. For the avoidance of doubt, where
-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
-
-       3. Term. The term of this Public License is specified in Section
-          6(a).
-
-       4. Media and formats; technical modifications allowed. The
-          Licensor authorizes You to exercise the Licensed Rights in
-          all media and formats whether now known or hereafter created,
-          and to make technical modifications necessary to do so. The
-          Licensor waives and/or agrees not to assert any right or
-          authority to forbid You from making technical modifications
-          necessary to exercise the Licensed Rights, including
-          technical modifications necessary to circumvent Effective
-          Technological Measures. For purposes of this Public License,
-          simply making modifications authorized by this Section 2(a)
-          (4) never produces Adapted Material.
-
-       5. Downstream recipients.
-
-            a. Offer from the Licensor -- Licensed Material. Every
-               recipient of the Licensed Material automatically
-               receives an offer from the Licensor to exercise the
-               Licensed Rights under the terms and conditions of this
-               Public License.
-
-            b. Additional offer from the Licensor -- Adapted Material.
-               Every recipient of Adapted Material from You
-               automatically receives an offer from the Licensor to
-               exercise the Licensed Rights in the Adapted Material
-               under the conditions of the Adapter's License You apply.
-
-            c. No downstream restrictions. You may not offer or impose
-               any additional or different terms or conditions on, or
-               apply any Effective Technological Measures to, the
-               Licensed Material if doing so restricts exercise of the
-               Licensed Rights by any recipient of the Licensed
-               Material.
-
-       6. No endorsement. Nothing in this Public License constitutes or
-          may be construed as permission to assert or imply that You
-          are, or that Your use of the Licensed Material is, connected
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diff --git a/background/JobScheduler/README.md b/background/JobScheduler/README.md
index 9a7d3ff..c3e4043 100644
--- a/background/JobScheduler/README.md
+++ b/background/JobScheduler/README.md
@@ -5,21 +5,11 @@
 Demonstration of the JobScheduler API, which provides an interface for scheduling
 background tasks when certain tasks apply.
 
-To understand how this sample works, try these different scenarios:
-
-- Unplug device, schedule a task that requires the device to be plugged in. Job will start when the
-device is plugged in.
-- Set a delay of 10 seconds and press back. The activity and service are finished but the service is
-launched again in 10 seconds (logcat will show debug messages).
-- Set a delay of 5 seconds and a work duration of 10 seconds. Schedule job and press the
-back button. Open the activity again after 6 seconds. The activity will show the onStopTask even
-though both activity and service were shut down.
-
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -43,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/background/JobScheduler/gradle/wrapper/gradle-wrapper.jar b/background/JobScheduler/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/background/JobScheduler/gradle/wrapper/gradle-wrapper.jar
+++ b/background/JobScheduler/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/background/JobScheduler/gradle/wrapper/gradle-wrapper.properties b/background/JobScheduler/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/background/JobScheduler/gradle/wrapper/gradle-wrapper.properties
+++ b/background/JobScheduler/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/background/JobScheduler/gradlew b/background/JobScheduler/gradlew
index 91a7e26..cccdd3d 100755
--- a/background/JobScheduler/gradlew
+++ b/background/JobScheduler/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/background/JobScheduler/gradlew.bat b/background/JobScheduler/gradlew.bat
index aec9973..e95643d 100644
--- a/background/JobScheduler/gradlew.bat
+++ b/background/JobScheduler/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/background/JobScheduler/kotlinApp/app/build.gradle b/background/JobScheduler/kotlinApp/app/build.gradle
index f3bd616..2760194 100644
--- a/background/JobScheduler/kotlinApp/app/build.gradle
+++ b/background/JobScheduler/kotlinApp/app/build.gradle
@@ -23,5 +23,5 @@
 
 dependencies {
     implementation "com.android.support:appcompat-v7:27.0.0"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
-}
\ No newline at end of file
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
diff --git a/background/JobScheduler/kotlinApp/build.gradle b/background/JobScheduler/kotlinApp/build.gradle
index 5dc45d1..6561094 100644
--- a/background/JobScheduler/kotlinApp/build.gradle
+++ b/background/JobScheduler/kotlinApp/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-    ext.kotlin_version = '1.1.60'
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -19,4 +19,4 @@
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
\ No newline at end of file
+}
diff --git a/background/JobScheduler/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/background/JobScheduler/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 28055da..f941550 100644
--- a/background/JobScheduler/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/background/JobScheduler/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Nov 07 16:05:05 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/background/alarms/RepeatingAlarm/Application/build.gradle b/background/alarms/RepeatingAlarm/Application/build.gradle
index ba192bd..32b06c4 100644
--- a/background/alarms/RepeatingAlarm/Application/build.gradle
+++ b/background/alarms/RepeatingAlarm/Application/build.gradle
@@ -1,26 +1,35 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
-    compile "com.android.support:support-v4:26.1.0"
-    compile "com.android.support:gridlayout-v7:26.1.0"
-    compile "com.android.support:cardview-v7:26.1.0"
-    compile "com.android.support:appcompat-v7:26.1.0"
+
+
+        implementation "com.android.support:support-v4:28.0.0"
+        implementation "com.android.support:support-v13:28.0.0"
+        implementation "com.android.support:cardview-v7:28.0.0"
+        implementation "com.android.support:appcompat-v7:28.0.0"
+
+
+
+
+
+
 }
 
 // The sample build uses multiple directories to
@@ -32,14 +41,11 @@
     'template'] // boilerplate code that is generated by the sample template process
 
 android {
-
-    compileSdkVersion 26
-
-    buildToolsVersion "26.0.1"
+    compileSdkVersion 28
 
     defaultConfig {
-        minSdkVersion 11
-        targetSdkVersion 26
+        minSdkVersion 14
+        targetSdkVersion 28
     }
 
     compileOptions {
diff --git a/background/alarms/RepeatingAlarm/Application/src/main/AndroidManifest.xml b/background/alarms/RepeatingAlarm/Application/src/main/AndroidManifest.xml
index 0fbdc7a..7897b7a 100644
--- a/background/alarms/RepeatingAlarm/Application/src/main/AndroidManifest.xml
+++ b/background/alarms/RepeatingAlarm/Application/src/main/AndroidManifest.xml
@@ -23,8 +23,7 @@
 
     <application android:allowBackup="true"
         android:label="@string/app_name"
-        android:icon="@drawable/ic_launcher"
-        android:theme="@style/AppTheme">
+        android:icon="@drawable/ic_launcher">
 
         <activity android:name=".MainActivity"
                   android:label="@string/app_name"
diff --git a/background/alarms/RepeatingAlarm/LICENSE b/background/alarms/RepeatingAlarm/LICENSE
index 4f22946..d5cf8f3 100644
--- a/background/alarms/RepeatingAlarm/LICENSE
+++ b/background/alarms/RepeatingAlarm/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
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-
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diff --git a/background/alarms/RepeatingAlarm/README.md b/background/alarms/RepeatingAlarm/README.md
index 744e76d..e350040 100644
--- a/background/alarms/RepeatingAlarm/README.md
+++ b/background/alarms/RepeatingAlarm/README.md
@@ -8,8 +8,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -33,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/background/alarms/RepeatingAlarm/gradle/wrapper/gradle-wrapper.properties b/background/alarms/RepeatingAlarm/gradle/wrapper/gradle-wrapper.properties
index 86fc139..f941550 100644
--- a/background/alarms/RepeatingAlarm/gradle/wrapper/gradle-wrapper.properties
+++ b/background/alarms/RepeatingAlarm/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/background/alarms/RepeatingAlarm/template-params.xml b/background/alarms/RepeatingAlarm/template-params.xml
index f2d68c5..cdf30bf 100644
--- a/background/alarms/RepeatingAlarm/template-params.xml
+++ b/background/alarms/RepeatingAlarm/template-params.xml
@@ -21,7 +21,7 @@
 
 
     <!--TODO: change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.jar b/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.properties b/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.properties
index 20f6c5a..ae45383 100644
--- a/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/bluetooth/BluetoothAdvertisements/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Mar 02 15:22:07 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothAdvertisements/gradlew b/connectivity/bluetooth/BluetoothAdvertisements/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/bluetooth/BluetoothAdvertisements/gradlew
+++ b/connectivity/bluetooth/BluetoothAdvertisements/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/bluetooth/BluetoothAdvertisements/gradlew.bat b/connectivity/bluetooth/BluetoothAdvertisements/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/bluetooth/BluetoothAdvertisements/gradlew.bat
+++ b/connectivity/bluetooth/BluetoothAdvertisements/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/bluetooth/BluetoothChat/LICENSE b/connectivity/bluetooth/BluetoothChat/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/bluetooth/BluetoothChat/LICENSE
+++ b/connectivity/bluetooth/BluetoothChat/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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diff --git a/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.jar b/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.properties b/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/bluetooth/BluetoothChat/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothChat/gradlew b/connectivity/bluetooth/BluetoothChat/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/bluetooth/BluetoothChat/gradlew
+++ b/connectivity/bluetooth/BluetoothChat/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/bluetooth/BluetoothChat/gradlew.bat b/connectivity/bluetooth/BluetoothChat/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/bluetooth/BluetoothChat/gradlew.bat
+++ b/connectivity/bluetooth/BluetoothChat/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/bluetooth/BluetoothChat/template-params.xml b/connectivity/bluetooth/BluetoothChat/template-params.xml
index 2bf81c3..91eef2b 100644
--- a/connectivity/bluetooth/BluetoothChat/template-params.xml
+++ b/connectivity/bluetooth/BluetoothChat/template-params.xml
@@ -21,7 +21,7 @@
     <package>com.example.android.bluetoothchat</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
     <!-- Include additional dependencies here.-->
     <!-- dependency>com.google.android.gms:play-services:5.0.+</dependency -->
diff --git a/connectivity/bluetooth/BluetoothLeGatt/LICENSE b/connectivity/bluetooth/BluetoothLeGatt/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/LICENSE
+++ b/connectivity/bluetooth/BluetoothLeGatt/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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diff --git a/connectivity/bluetooth/BluetoothLeGatt/README.md b/connectivity/bluetooth/BluetoothLeGatt/README.md
index 324dd3d..32bdbcd 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/README.md
+++ b/connectivity/bluetooth/BluetoothLeGatt/README.md
@@ -23,8 +23,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -53,7 +53,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradlew b/connectivity/bluetooth/BluetoothLeGatt/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/bluetooth/BluetoothLeGatt/gradlew
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat b/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/network/BasicNetworking/LICENSE b/connectivity/network/BasicNetworking/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/network/BasicNetworking/LICENSE
+++ b/connectivity/network/BasicNetworking/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-
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diff --git a/connectivity/network/BasicNetworking/README.md b/connectivity/network/BasicNetworking/README.md
index a847f69..64b5d1e 100644
--- a/connectivity/network/BasicNetworking/README.md
+++ b/connectivity/network/BasicNetworking/README.md
@@ -22,8 +22,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -52,7 +52,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.jar b/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.properties b/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/network/BasicNetworking/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/network/BasicNetworking/gradlew b/connectivity/network/BasicNetworking/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/network/BasicNetworking/gradlew
+++ b/connectivity/network/BasicNetworking/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/network/BasicNetworking/gradlew.bat b/connectivity/network/BasicNetworking/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/network/BasicNetworking/gradlew.bat
+++ b/connectivity/network/BasicNetworking/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/network/BasicNetworking/template-params.xml b/connectivity/network/BasicNetworking/template-params.xml
index a59c6f9..67aa2bf 100644
--- a/connectivity/network/BasicNetworking/template-params.xml
+++ b/connectivity/network/BasicNetworking/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.basicnetworking</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/connectivity/network/NetworkConnect/LICENSE b/connectivity/network/NetworkConnect/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/network/NetworkConnect/LICENSE
+++ b/connectivity/network/NetworkConnect/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
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-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
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-
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-----------------
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diff --git a/connectivity/network/NetworkConnect/README.md b/connectivity/network/NetworkConnect/README.md
index fc706bd..f774770 100644
--- a/connectivity/network/NetworkConnect/README.md
+++ b/connectivity/network/NetworkConnect/README.md
@@ -3,22 +3,36 @@
 ===================================
 
 This sample demonstrates how to connect to the network and fetch raw HTML using
-HttpURLConnection. AsyncTask is used to perform the fetch on a background thread.
+HttpsURLConnection. AsyncTask is used to perform the fetch on a background thread.
 
 Introduction
 ------------
 
-This sample application demonstrates how to connect to the network and fetch raw
-HTML. It uses AsyncTask, a background task manager, to perform the network fetch
-on a background thread. By using AsyncTask, the app can avoid hanging on the UI
-thread, and instead update the UI when the response is ready. To establish the
-network connection, the sample uses HttpURLConnection.
+This sample demonstrates how to connect to the network and fetch raw HTML using
+[`HttpsURLConnection`][4]. Since API 11, it is required by default that all network
+operations run on a background thread in order to avoid hanging on the UI thread. Only
+when the network response is ready should the work return to the main thread to update
+the UI. An [`AsyncTask`][3] is a viable background task manager that is used to perform
+the network operation and return to the UI thread upon completion.
+
+The sample also utilizes the [`ConnectivityManager`][1] to determine if you have
+a network connection, and if so, what type of connection it is.
+
+Using an [`AsyncTaskLoader`][6] or an [`IntentService`][5] are two common alternatives
+for managing longer running background work.
+
+[1]: https://developer.android.com/reference/android/net/ConnectivityManager.html
+[2]: https://developer.android.com/reference/android/net/NetworkInfo.html
+[3]: https://developer.android.com/reference/android/os/AsyncTask.html
+[4]: https://developer.android.com/reference/javax/net/ssl/HttpsURLConnection.html
+[5]: https://developer.android.com/reference/android/app/IntentService.html
+[6]: https://developer.android.com/reference/android/content/AsyncTaskLoader.html
 
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -47,7 +61,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.jar b/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.properties b/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/network/NetworkConnect/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/network/NetworkConnect/gradlew b/connectivity/network/NetworkConnect/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/network/NetworkConnect/gradlew
+++ b/connectivity/network/NetworkConnect/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/network/NetworkConnect/gradlew.bat b/connectivity/network/NetworkConnect/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/network/NetworkConnect/gradlew.bat
+++ b/connectivity/network/NetworkConnect/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/network/NetworkConnect/template-params.xml b/connectivity/network/NetworkConnect/template-params.xml
index 1700ca0..d0c13a6 100644
--- a/connectivity/network/NetworkConnect/template-params.xml
+++ b/connectivity/network/NetworkConnect/template-params.xml
@@ -22,7 +22,7 @@
 
 
     <!-- change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.jar b/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.properties b/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/nfc/BeamLargeFiles/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/nfc/BeamLargeFiles/gradlew b/connectivity/nfc/BeamLargeFiles/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/nfc/BeamLargeFiles/gradlew
+++ b/connectivity/nfc/BeamLargeFiles/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/nfc/BeamLargeFiles/gradlew.bat b/connectivity/nfc/BeamLargeFiles/gradlew.bat
index aec9973..e95643d 100755
--- a/connectivity/nfc/BeamLargeFiles/gradlew.bat
+++ b/connectivity/nfc/BeamLargeFiles/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/nfc/CardEmulation/LICENSE b/connectivity/nfc/CardEmulation/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/nfc/CardEmulation/LICENSE
+++ b/connectivity/nfc/CardEmulation/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
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-
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-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
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-  e. Effective Technological Measures means those measures that, in the
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-     equivalent rights anywhere in the world.
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-          License does not apply, and You do not need to comply with
-          its terms and conditions.
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-          provided in Section 3(a)(1)(A)(i).
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-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
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-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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diff --git a/connectivity/nfc/CardEmulation/README.md b/connectivity/nfc/CardEmulation/README.md
index 20dda5b..46ece77 100644
--- a/connectivity/nfc/CardEmulation/README.md
+++ b/connectivity/nfc/CardEmulation/README.md
@@ -12,8 +12,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -37,7 +37,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.jar b/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.properties b/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/nfc/CardEmulation/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/nfc/CardEmulation/gradlew b/connectivity/nfc/CardEmulation/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/nfc/CardEmulation/gradlew
+++ b/connectivity/nfc/CardEmulation/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/nfc/CardEmulation/gradlew.bat b/connectivity/nfc/CardEmulation/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/nfc/CardEmulation/gradlew.bat
+++ b/connectivity/nfc/CardEmulation/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/nfc/CardReader/LICENSE b/connectivity/nfc/CardReader/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/nfc/CardReader/LICENSE
+++ b/connectivity/nfc/CardReader/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
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diff --git a/connectivity/nfc/CardReader/README.md b/connectivity/nfc/CardReader/README.md
index 43c8aab..f2ab8f3 100644
--- a/connectivity/nfc/CardReader/README.md
+++ b/connectivity/nfc/CardReader/README.md
@@ -13,8 +13,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -38,7 +38,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.jar b/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.properties b/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.properties
index c0c4211..ae45383 100644
--- a/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/nfc/CardReader/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Jan 02 15:37:05 PST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/nfc/CardReader/gradlew b/connectivity/nfc/CardReader/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/nfc/CardReader/gradlew
+++ b/connectivity/nfc/CardReader/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/nfc/CardReader/gradlew.bat b/connectivity/nfc/CardReader/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/nfc/CardReader/gradlew.bat
+++ b/connectivity/nfc/CardReader/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/sync/BasicSyncAdapter/LICENSE b/connectivity/sync/BasicSyncAdapter/LICENSE
index 4f22946..d5cf8f3 100644
--- a/connectivity/sync/BasicSyncAdapter/LICENSE
+++ b/connectivity/sync/BasicSyncAdapter/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
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-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
-
-
-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
-
-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
-
-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/connectivity/sync/BasicSyncAdapter/README.md b/connectivity/sync/BasicSyncAdapter/README.md
index 6503a57..15f91ba 100644
--- a/connectivity/sync/BasicSyncAdapter/README.md
+++ b/connectivity/sync/BasicSyncAdapter/README.md
@@ -28,8 +28,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -58,7 +58,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.jar b/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.jar
+++ b/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.properties b/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.properties
+++ b/connectivity/sync/BasicSyncAdapter/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/connectivity/sync/BasicSyncAdapter/gradlew b/connectivity/sync/BasicSyncAdapter/gradlew
index 91a7e26..cccdd3d 100755
--- a/connectivity/sync/BasicSyncAdapter/gradlew
+++ b/connectivity/sync/BasicSyncAdapter/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/connectivity/sync/BasicSyncAdapter/gradlew.bat b/connectivity/sync/BasicSyncAdapter/gradlew.bat
index aec9973..e95643d 100644
--- a/connectivity/sync/BasicSyncAdapter/gradlew.bat
+++ b/connectivity/sync/BasicSyncAdapter/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/connectivity/sync/BasicSyncAdapter/template-params.xml b/connectivity/sync/BasicSyncAdapter/template-params.xml
index 304a682..4e4af59 100644
--- a/connectivity/sync/BasicSyncAdapter/template-params.xml
+++ b/connectivity/sync/BasicSyncAdapter/template-params.xml
@@ -21,7 +21,7 @@
 
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.jar b/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.jar
+++ b/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.properties b/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.properties
+++ b/content/AutoBackupForApps/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/AutoBackupForApps/gradlew b/content/AutoBackupForApps/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/AutoBackupForApps/gradlew
+++ b/content/AutoBackupForApps/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/AutoBackupForApps/gradlew.bat b/content/AutoBackupForApps/gradlew.bat
index aec9973..e95643d 100644
--- a/content/AutoBackupForApps/gradlew.bat
+++ b/content/AutoBackupForApps/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/DirectShare/gradle/wrapper/gradle-wrapper.jar b/content/DirectShare/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/DirectShare/gradle/wrapper/gradle-wrapper.jar
+++ b/content/DirectShare/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/DirectShare/gradle/wrapper/gradle-wrapper.properties b/content/DirectShare/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/DirectShare/gradle/wrapper/gradle-wrapper.properties
+++ b/content/DirectShare/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/DirectShare/gradlew b/content/DirectShare/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/DirectShare/gradlew
+++ b/content/DirectShare/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/DirectShare/gradlew.bat b/content/DirectShare/gradlew.bat
index aec9973..e95643d 100644
--- a/content/DirectShare/gradlew.bat
+++ b/content/DirectShare/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.jar b/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.jar
+++ b/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.properties b/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.properties
+++ b/content/ShareActionProvider/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/ShareActionProvider/gradlew b/content/ShareActionProvider/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/ShareActionProvider/gradlew
+++ b/content/ShareActionProvider/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/ShareActionProvider/gradlew.bat b/content/ShareActionProvider/gradlew.bat
index aec9973..e95643d 100644
--- a/content/ShareActionProvider/gradlew.bat
+++ b/content/ShareActionProvider/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/ShareActionProvider/template-params.xml b/content/ShareActionProvider/template-params.xml
index adb8c2a..d64dc85 100644
--- a/content/ShareActionProvider/template-params.xml
+++ b/content/ShareActionProvider/template-params.xml
@@ -19,7 +19,7 @@
     <group>UI</group>
     <package>com.example.android.shareactionprovider</package>
 
-    <minSdk>9</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/content/contacts/BasicContactables/LICENSE b/content/contacts/BasicContactables/LICENSE
index 4f22946..d5cf8f3 100644
--- a/content/contacts/BasicContactables/LICENSE
+++ b/content/contacts/BasicContactables/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
-     example, because of any applicable exception or limitation to
-     copyright--then that use is not regulated by the license. Our
-     licenses grant only permissions under copyright and certain
-     other rights that a licensor has authority to grant. Use of
-     the licensed material may still be restricted for other
-     reasons, including because others have copyright or other
-     rights in the material. A licensor may make special requests,
-     such as asking that all changes be marked or described.
-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
-
-
-Section 1 -- Definitions.
-
-  a. Adapted Material means material subject to Copyright and Similar
-     Rights that is derived from or based upon the Licensed Material
-     and in which the Licensed Material is translated, altered,
-     arranged, transformed, or otherwise modified in a manner requiring
-     permission under the Copyright and Similar Rights held by the
-     Licensor. For purposes of this Public License, where the Licensed
-     Material is a musical work, performance, or sound recording,
-     Adapted Material is always produced where the Licensed Material is
-     synched in timed relation with a moving image.
-
-  b. Adapter's License means the license You apply to Your Copyright
-     and Similar Rights in Your contributions to Adapted Material in
-     accordance with the terms and conditions of this Public License.
-
-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
-     Commons as essentially the equivalent of this Public License.
-
-  d. Copyright and Similar Rights means copyright and/or similar rights
-     closely related to copyright including, without limitation,
-     performance, broadcast, sound recording, and Sui Generis Database
-     Rights, without regard to how the rights are labeled or
-     categorized. For purposes of this Public License, the rights
-     specified in Section 2(b)(1)-(2) are not Copyright and Similar
-     Rights.
-
-  e. Effective Technological Measures means those measures that, in the
-     absence of proper authority, may not be circumvented under laws
-     fulfilling obligations under Article 11 of the WIPO Copyright
-     Treaty adopted on December 20, 1996, and/or similar international
-     agreements.
-
-  f. Exceptions and Limitations means fair use, fair dealing, and/or
-     any other exception or limitation to Copyright and Similar Rights
-     that applies to Your use of the Licensed Material.
-
-  g. License Elements means the license attributes listed in the name
-     of a Creative Commons Public License. The License Elements of this
-     Public License are Attribution, NonCommercial, and ShareAlike.
-
-  h. Licensed Material means the artistic or literary work, database,
-     or other material to which the Licensor applied this Public
-     License.
-
-  i. Licensed Rights means the rights granted to You subject to the
-     terms and conditions of this Public License, which are limited to
-     all Copyright and Similar Rights that apply to Your use of the
-     Licensed Material and that the Licensor has authority to license.
-
-  j. Licensor means the individual(s) or entity(ies) granting rights
-     under this Public License.
-
-  k. NonCommercial means not primarily intended for or directed towards
-     commercial advantage or monetary compensation. For purposes of
-     this Public License, the exchange of the Licensed Material for
-     other material subject to Copyright and Similar Rights by digital
-     file-sharing or similar means is NonCommercial provided there is
-     no payment of monetary compensation in connection with the
-     exchange.
-
-  l. Share means to provide material to the public by any means or
-     process that requires permission under the Licensed Rights, such
-     as reproduction, public display, public performance, distribution,
-     dissemination, communication, or importation, and to make material
-     available to the public including in ways that members of the
-     public may access the material from a place and at a time
-     individually chosen by them.
-
-  m. Sui Generis Database Rights means rights other than copyright
-     resulting from Directive 96/9/EC of the European Parliament and of
-     the Council of 11 March 1996 on the legal protection of databases,
-     as amended and/or succeeded, as well as other essentially
-     equivalent rights anywhere in the world.
-
-  n. You means the individual or entity exercising the Licensed Rights
-     under this Public License. Your has a corresponding meaning.
-
-
-Section 2 -- Scope.
-
-  a. License grant.
-
-       1. Subject to the terms and conditions of this Public License,
-          the Licensor hereby grants You a worldwide, royalty-free,
-          non-sublicensable, non-exclusive, irrevocable license to
-          exercise the Licensed Rights in the Licensed Material to:
-
-            a. reproduce and Share the Licensed Material, in whole or
-               in part, for NonCommercial purposes only; and
-
-            b. produce, reproduce, and Share Adapted Material for
-               NonCommercial purposes only.
-
-       2. Exceptions and Limitations. For the avoidance of doubt, where
-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
-
-       3. Term. The term of this Public License is specified in Section
-          6(a).
-
-       4. Media and formats; technical modifications allowed. The
-          Licensor authorizes You to exercise the Licensed Rights in
-          all media and formats whether now known or hereafter created,
-          and to make technical modifications necessary to do so. The
-          Licensor waives and/or agrees not to assert any right or
-          authority to forbid You from making technical modifications
-          necessary to exercise the Licensed Rights, including
-          technical modifications necessary to circumvent Effective
-          Technological Measures. For purposes of this Public License,
-          simply making modifications authorized by this Section 2(a)
-          (4) never produces Adapted Material.
-
-       5. Downstream recipients.
-
-            a. Offer from the Licensor -- Licensed Material. Every
-               recipient of the Licensed Material automatically
-               receives an offer from the Licensor to exercise the
-               Licensed Rights under the terms and conditions of this
-               Public License.
-
-            b. Additional offer from the Licensor -- Adapted Material.
-               Every recipient of Adapted Material from You
-               automatically receives an offer from the Licensor to
-               exercise the Licensed Rights in the Adapted Material
-               under the conditions of the Adapter's License You apply.
-
-            c. No downstream restrictions. You may not offer or impose
-               any additional or different terms or conditions on, or
-               apply any Effective Technological Measures to, the
-               Licensed Material if doing so restricts exercise of the
-               Licensed Rights by any recipient of the Licensed
-               Material.
-
-       6. No endorsement. Nothing in this Public License constitutes or
-          may be construed as permission to assert or imply that You
-          are, or that Your use of the Licensed Material is, connected
-          with, or sponsored, endorsed, or granted official status by,
-          the Licensor or others designated to receive attribution as
-          provided in Section 3(a)(1)(A)(i).
-
-  b. Other rights.
-
-       1. Moral rights, such as the right of integrity, are not
-          licensed under this Public License, nor are publicity,
-          privacy, and/or other similar personality rights; however, to
-          the extent possible, the Licensor waives and/or agrees not to
-          assert any such rights held by the Licensor to the limited
-          extent necessary to allow You to exercise the Licensed
-          Rights, but not otherwise.
-
-       2. Patent and trademark rights are not licensed under this
-          Public License.
-
-       3. To the extent possible, the Licensor waives any right to
-          collect royalties from You for the exercise of the Licensed
-          Rights, whether directly or through a collecting society
-          under any voluntary or waivable statutory or compulsory
-          licensing scheme. In all other cases the Licensor expressly
-          reserves any right to collect such royalties, including when
-          the Licensed Material is used other than for NonCommercial
-          purposes.
-
-
-Section 3 -- License Conditions.
-
-Your exercise of the Licensed Rights is expressly made subject to the
-following conditions.
-
-  a. Attribution.
-
-       1. If You Share the Licensed Material (including in modified
-          form), You must:
-
-            a. retain the following if it is supplied by the Licensor
-               with the Licensed Material:
-
-                 i. identification of the creator(s) of the Licensed
-                    Material and any others designated to receive
-                    attribution, in any reasonable manner requested by
-                    the Licensor (including by pseudonym if
-                    designated);
-
-                ii. a copyright notice;
-
-               iii. a notice that refers to this Public License;
-
-                iv. a notice that refers to the disclaimer of
-                    warranties;
-
-                 v. a URI or hyperlink to the Licensed Material to the
-                    extent reasonably practicable;
-
-            b. indicate if You modified the Licensed Material and
-               retain an indication of any previous modifications; and
-
-            c. indicate the Licensed Material is licensed under this
-               Public License, and include the text of, or the URI or
-               hyperlink to, this Public License.
-
-       2. You may satisfy the conditions in Section 3(a)(1) in any
-          reasonable manner based on the medium, means, and context in
-          which You Share the Licensed Material. For example, it may be
-          reasonable to satisfy the conditions by providing a URI or
-          hyperlink to a resource that includes the required
-          information.
-       3. If requested by the Licensor, You must remove any of the
-          information required by Section 3(a)(1)(A) to the extent
-          reasonably practicable.
-
-  b. ShareAlike.
-
-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
-
-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
-
-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
-
-
-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
-
-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
-
-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/content/contacts/BasicContactables/README.md b/content/contacts/BasicContactables/README.md
index 2e26abb..50efcfb 100644
--- a/content/contacts/BasicContactables/README.md
+++ b/content/contacts/BasicContactables/README.md
@@ -25,8 +25,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -55,7 +55,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.jar b/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.jar
+++ b/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.properties b/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.properties
index 566aa3b..ae45383 100644
--- a/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.properties
+++ b/content/contacts/BasicContactables/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,5 @@
-
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/contacts/BasicContactables/gradlew b/content/contacts/BasicContactables/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/contacts/BasicContactables/gradlew
+++ b/content/contacts/BasicContactables/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/contacts/BasicContactables/gradlew.bat b/content/contacts/BasicContactables/gradlew.bat
index aec9973..e95643d 100644
--- a/content/contacts/BasicContactables/gradlew.bat
+++ b/content/contacts/BasicContactables/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/documentsUi/ContentProviderPaging/build.gradle b/content/documentsUi/ContentProviderPaging/build.gradle
index 2d689c4..1207402 100644
--- a/content/documentsUi/ContentProviderPaging/build.gradle
+++ b/content/documentsUi/ContentProviderPaging/build.gradle
@@ -5,7 +5,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
diff --git a/content/documentsUi/ContentProviderPaging/common.gradle b/content/documentsUi/ContentProviderPaging/common.gradle
index e5c3bdd..c55cdf4 100644
--- a/content/documentsUi/ContentProviderPaging/common.gradle
+++ b/content/documentsUi/ContentProviderPaging/common.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.1"
+    compileSdkVersion 28
 
     defaultConfig {
         applicationId "com.example.android.contentproviderpaging"
         minSdkVersion 26
-        targetSdkVersion 26
+        targetSdkVersion 28
     }
 
     buildTypes {
diff --git a/content/documentsUi/ContentProviderPaging/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/ContentProviderPaging/gradle/wrapper/gradle-wrapper.properties
index e8ff268..f941550 100644
--- a/content/documentsUi/ContentProviderPaging/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/ContentProviderPaging/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,5 @@
-#Mon Oct 17 16:40:13 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
->>>>>>> ContentProviderPaging: Make kotlinApp module self-contained
diff --git a/content/documentsUi/ContentProviderPaging/kotlinApp/build.gradle b/content/documentsUi/ContentProviderPaging/kotlinApp/build.gradle
index 94bedb1..c494a46 100644
--- a/content/documentsUi/ContentProviderPaging/kotlinApp/build.gradle
+++ b/content/documentsUi/ContentProviderPaging/kotlinApp/build.gradle
@@ -1,17 +1,19 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = '1.1.2-4'
+    ext.kotlin_version = '1.3.11'
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
diff --git a/content/documentsUi/ContentProviderPaging/kotlinApp/common.gradle b/content/documentsUi/ContentProviderPaging/kotlinApp/common.gradle
index e5c3bdd..c55cdf4 100644
--- a/content/documentsUi/ContentProviderPaging/kotlinApp/common.gradle
+++ b/content/documentsUi/ContentProviderPaging/kotlinApp/common.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.1"
+    compileSdkVersion 28
 
     defaultConfig {
         applicationId "com.example.android.contentproviderpaging"
         minSdkVersion 26
-        targetSdkVersion 26
+        targetSdkVersion 28
     }
 
     buildTypes {
diff --git a/content/documentsUi/ContentProviderPaging/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/ContentProviderPaging/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index c4f37a9..f941550 100644
--- a/content/documentsUi/ContentProviderPaging/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/ContentProviderPaging/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Oct 17 16:40:13 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/content/documentsUi/ContentProviderPaging/kotlinApp/resources/build.gradle b/content/documentsUi/ContentProviderPaging/kotlinApp/resources/build.gradle
index dec7b24..f1c38bd 100644
--- a/content/documentsUi/ContentProviderPaging/kotlinApp/resources/build.gradle
+++ b/content/documentsUi/ContentProviderPaging/kotlinApp/resources/build.gradle
@@ -1,12 +1,11 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
 
diff --git a/content/documentsUi/ContentProviderPaging/resources/build.gradle b/content/documentsUi/ContentProviderPaging/resources/build.gradle
index dec7b24..eca6f96 100644
--- a/content/documentsUi/ContentProviderPaging/resources/build.gradle
+++ b/content/documentsUi/ContentProviderPaging/resources/build.gradle
@@ -1,12 +1,11 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
 
@@ -22,8 +21,8 @@
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support:recyclerview-v7:25.3.1'
+    compile 'com.android.support:appcompat-v7:28.0.0'
+    compile 'com.android.support:recyclerview-v7:28.0.0'
     compile 'com.github.bumptech.glide:glide:3.7.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectoryEntryAdapter.java b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectoryEntryAdapter.java
index e92c71e..92d5ec2 100644
--- a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectoryEntryAdapter.java
+++ b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectoryEntryAdapter.java
@@ -16,13 +16,14 @@
 
 package com.example.android.directoryselection;
 
-import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.recyclerview.widget.RecyclerView;
+
 import java.util.List;
 
 /**
diff --git a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionActivity.java b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionActivity.java
index d27ba72..791452f 100644
--- a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionActivity.java
+++ b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionActivity.java
@@ -1,23 +1,24 @@
 /*
-* Copyright 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 package com.example.android.directoryselection;
 
 import android.os.Bundle;
-import android.support.v4.app.FragmentActivity;
+
+import androidx.fragment.app.FragmentActivity;
 
 /**
  * Launcher Activity for the Directory Selection sample app.
diff --git a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionFragment.java b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionFragment.java
index a617e99..3d676dd 100644
--- a/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionFragment.java
+++ b/content/documentsUi/DirectorySelection/Application/src/main/java/com/example/android/directoryselection/DirectorySelectionFragment.java
@@ -26,8 +26,6 @@
 import android.os.Bundle;
 import android.provider.DocumentsContract;
 import android.provider.DocumentsContract.Document;
-import android.support.v4.app.Fragment;
-import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -37,6 +35,9 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -123,7 +124,7 @@
                         .show();
             }
         });
-        mRecyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerview_directory_entries);
+        mRecyclerView = rootView.findViewById(R.id.recyclerview_directory_entries);
         mLayoutManager = mRecyclerView.getLayoutManager();
         mRecyclerView.scrollToPosition(0);
         mAdapter = new DirectoryEntryAdapter(new ArrayList<DirectoryEntry>());
diff --git a/content/documentsUi/DirectorySelection/Application/src/main/res/layout/fragment_directory_selection.xml b/content/documentsUi/DirectorySelection/Application/src/main/res/layout/fragment_directory_selection.xml
index 631a8fc..c0775ac 100644
--- a/content/documentsUi/DirectorySelection/Application/src/main/res/layout/fragment_directory_selection.xml
+++ b/content/documentsUi/DirectorySelection/Application/src/main/res/layout/fragment_directory_selection.xml
@@ -62,7 +62,7 @@
 
     </LinearLayout>
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/recyclerview_directory_entries"
             android:layout_marginLeft="@dimen/margin_small"
             android:layout_marginRight="@dimen/margin_small"
diff --git a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectoryEntryAdapterTest.java b/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectoryEntryAdapterTest.java
deleted file mode 100644
index 97b2629..0000000
--- a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectoryEntryAdapterTest.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
-* Copyright 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-/*
-* Copyright (C) 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*      http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-package com.example.android.directoryselection;
-
-import android.test.ActivityInstrumentationTestCase2;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Tests for {@link DirectorySelectionFragment}.
- */
-public class DirectoryEntryAdapterTest
-        extends ActivityInstrumentationTestCase2<DirectorySelectionActivity> {
-
-    private static final String FILE1 = "file1";
-    private static final String MIME_TYPE1 = "text/appliaction";
-    private static final String DIRECTORY1 = "directory1";
-
-    private DirectorySelectionActivity mTestActivity;
-    private DirectorySelectionFragment mTestFragment;
-    private DirectoryEntryAdapter mAdapter;
-    private List<DirectoryEntry> mDirectoryEntries;
-
-    public DirectoryEntryAdapterTest() {
-        super(DirectorySelectionActivity.class);
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        mTestActivity = getActivity();
-        mTestFragment = (DirectorySelectionFragment)
-                mTestActivity.getSupportFragmentManager().getFragments().get(0);
-        mDirectoryEntries = new ArrayList<>();
-
-        DirectoryEntry file = new DirectoryEntry();
-        file.fileName = FILE1;
-        file.mimeType = MIME_TYPE1;
-        mDirectoryEntries.add(file);
-
-        DirectoryEntry directory = new DirectoryEntry();
-        directory.fileName = DIRECTORY1;
-        directory.mimeType = DirectoryEntryAdapter.DIRECTORY_MIME_TYPE;
-        mDirectoryEntries.add(directory);
-    }
-
-    public void testGetItemCount() {
-        mTestFragment.mAdapter.setDirectoryEntries(mDirectoryEntries);
-
-        assertEquals(2, mTestFragment.mAdapter.getItemCount());
-    }
-}
diff --git a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionActivityTest.java b/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionActivityTest.java
deleted file mode 100644
index 8f767ae..0000000
--- a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionActivityTest.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-* Copyright 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-package com.example.android.directoryselection;
-
-import android.test.ActivityInstrumentationTestCase2;
-
-/**
- * Tests for {@link DirectorySelectionActivity}.
- */
-public class DirectorySelectionActivityTest
-        extends ActivityInstrumentationTestCase2<DirectorySelectionActivity> {
-
-    private DirectorySelectionActivity mTestActivity;
-    private DirectorySelectionFragment mTestFragment;
-
-    public DirectorySelectionActivityTest() {
-        super(DirectorySelectionActivity.class);
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        // Starts the activity under test using the default Intent with:
-        // action = {@link Intent#ACTION_MAIN}
-        // flags = {@link Intent#FLAG_ACTIVITY_NEW_TASK}
-        // All other fields are null or empty.
-        mTestActivity = getActivity();
-        mTestFragment = (DirectorySelectionFragment)
-                mTestActivity.getSupportFragmentManager().getFragments().get(0);
-    }
-
-    /**
-     * Test if the test fixture has been set up correctly.
-     */
-    public void testPreconditions() {
-        //Try to add a message to add context to your assertions. These messages will be shown if
-        //a tests fails and make it easy to understand why a test failed
-        assertNotNull("mTestActivity is null", mTestActivity);
-        assertNotNull("mTestFragment is null", mTestFragment);
-    }
-}
diff --git a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionFragmentTest.java b/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionFragmentTest.java
deleted file mode 100644
index 90cd30f..0000000
--- a/content/documentsUi/DirectorySelection/Application/tests/src/com/example/android/directoryselection/DirectorySelectionFragmentTest.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-* Copyright 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-/*
-* Copyright (C) 2014 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*      http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-package com.example.android.directoryselection;
-
-import android.test.ActivityInstrumentationTestCase2;
-
-/**
- * Tests for {@link com.example.android.directoryselection.DirectorySelectionFragment}.
- */
-public class DirectorySelectionFragmentTest
-        extends ActivityInstrumentationTestCase2<DirectorySelectionActivity> {
-
-    private DirectorySelectionActivity mTestActivity;
-    private DirectorySelectionFragment mTestFragment;
-
-    public DirectorySelectionFragmentTest() {
-        super(DirectorySelectionActivity.class);
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        // Starts the activity under test using the default Intent with:
-        // action = {@link Intent#ACTION_MAIN}
-        // flags = {@link Intent#FLAG_ACTIVITY_NEW_TASK}
-        // All other fields are null or empty.
-        mTestActivity = getActivity();
-        mTestFragment = (DirectorySelectionFragment)
-                mTestActivity.getSupportFragmentManager().getFragments().get(0);
-    }
-
-    public void testPreconditions() {
-        assertNotNull(mTestFragment.mCurrentDirectoryTextView);
-        assertNotNull(mTestFragment.mCreateDirectoryButton);
-        assertNotNull(mTestFragment.mRecyclerView);
-        assertNotNull(mTestFragment.mAdapter);
-        assertNotNull(mTestFragment.mLayoutManager);
-    }
-}
diff --git a/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.jar b/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.jar
+++ b/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.properties
index d4585c3..ae45383 100644
--- a/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/DirectorySelection/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Dec 03 14:12:05 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/content/documentsUi/DirectorySelection/gradlew b/content/documentsUi/DirectorySelection/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/documentsUi/DirectorySelection/gradlew
+++ b/content/documentsUi/DirectorySelection/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/documentsUi/DirectorySelection/gradlew.bat b/content/documentsUi/DirectorySelection/gradlew.bat
index aec9973..e95643d 100644
--- a/content/documentsUi/DirectorySelection/gradlew.bat
+++ b/content/documentsUi/DirectorySelection/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/documentsUi/DirectorySelection/template-params.xml b/content/documentsUi/DirectorySelection/template-params.xml
index 2426f9a..9b58e8c 100644
--- a/content/documentsUi/DirectorySelection/template-params.xml
+++ b/content/documentsUi/DirectorySelection/template-params.xml
@@ -19,10 +19,14 @@
     <group>Content</group>
     <package>com.example.android.directoryselection</package>
 
-    <dependency>com.android.support:recyclerview-v7:+</dependency>
+    <androidX>true</androidX>
+
+    <dependency>androidx.appcompat:appcompat:1.0.2</dependency>
+    <dependency>androidx.recyclerview:recyclerview:1.0.0</dependency>
 
     <!-- change minSdk if needed-->
     <minSdk>21</minSdk>
+    <compileSdkVersion>28</compileSdkVersion>
 
     <strings>
         <intro>
diff --git a/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.jar b/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.jar
+++ b/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.properties
index 4fa61f3..ae45383 100644
--- a/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/ScopedDirectoryAccess/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 11 14:26:08 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.5-all.zip
diff --git a/content/documentsUi/ScopedDirectoryAccess/gradlew b/content/documentsUi/ScopedDirectoryAccess/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/documentsUi/ScopedDirectoryAccess/gradlew
+++ b/content/documentsUi/ScopedDirectoryAccess/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/documentsUi/ScopedDirectoryAccess/gradlew.bat b/content/documentsUi/ScopedDirectoryAccess/gradlew.bat
index aec9973..e95643d 100644
--- a/content/documentsUi/ScopedDirectoryAccess/gradlew.bat
+++ b/content/documentsUi/ScopedDirectoryAccess/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/documentsUi/ScopedDirectoryAccess/template-params.xml b/content/documentsUi/ScopedDirectoryAccess/template-params.xml
index db7bcbc..c7c6543 100644
--- a/content/documentsUi/ScopedDirectoryAccess/template-params.xml
+++ b/content/documentsUi/ScopedDirectoryAccess/template-params.xml
@@ -22,11 +22,9 @@
     <package>com.example.android.scopeddirectoryaccess</package>
 
     <minSdk>24</minSdk>
-    <compileSdkVersion>27</compileSdkVersion>
-    <targetSdkVersion>24</targetSdkVersion>
 
     <!-- Include additional dependencies here.-->
-    <dependency>com.android.support:recyclerview-v7:27.0.2</dependency>
+    <dependency>com.android.support:recyclerview-v7:28.0.0</dependency>
 
     <template src="base" />
 
@@ -41,7 +39,7 @@
     </strings>
 
     <metadata>
-        <status>PUBLISHED</status>
+        <status>DEPRECATED</status>
         <categories>Content</categories>
         <technologies>Android</technologies>
         <languages>Java</languages>
diff --git a/content/documentsUi/StorageClient/LICENSE b/content/documentsUi/StorageClient/LICENSE
index 4f22946..d5cf8f3 100644
--- a/content/documentsUi/StorageClient/LICENSE
+++ b/content/documentsUi/StorageClient/LICENSE
@@ -201,447 +201,3 @@
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diff --git a/content/documentsUi/StorageClient/README.md b/content/documentsUi/StorageClient/README.md
index 88a72f5..78c7282 100644
--- a/content/documentsUi/StorageClient/README.md
+++ b/content/documentsUi/StorageClient/README.md
@@ -23,8 +23,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -53,7 +53,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.jar b/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.jar
+++ b/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/StorageClient/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/documentsUi/StorageClient/gradlew b/content/documentsUi/StorageClient/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/documentsUi/StorageClient/gradlew
+++ b/content/documentsUi/StorageClient/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/documentsUi/StorageClient/gradlew.bat b/content/documentsUi/StorageClient/gradlew.bat
index aec9973..e95643d 100644
--- a/content/documentsUi/StorageClient/gradlew.bat
+++ b/content/documentsUi/StorageClient/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/documentsUi/StorageProvider/LICENSE b/content/documentsUi/StorageProvider/LICENSE
index 4f22946..d5cf8f3 100644
--- a/content/documentsUi/StorageProvider/LICENSE
+++ b/content/documentsUi/StorageProvider/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
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-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
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-
-=======================================================================
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diff --git a/content/documentsUi/StorageProvider/README.md b/content/documentsUi/StorageProvider/README.md
index 4894ed0..1079625 100644
--- a/content/documentsUi/StorageProvider/README.md
+++ b/content/documentsUi/StorageProvider/README.md
@@ -20,8 +20,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -50,7 +50,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.jar b/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.jar
+++ b/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.properties b/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.properties
+++ b/content/documentsUi/StorageProvider/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/documentsUi/StorageProvider/gradlew b/content/documentsUi/StorageProvider/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/documentsUi/StorageProvider/gradlew
+++ b/content/documentsUi/StorageProvider/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/documentsUi/StorageProvider/gradlew.bat b/content/documentsUi/StorageProvider/gradlew.bat
index aec9973..e95643d 100644
--- a/content/documentsUi/StorageProvider/gradlew.bat
+++ b/content/documentsUi/StorageProvider/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/multiuser/AppRestrictions/LICENSE b/content/multiuser/AppRestrictions/LICENSE
index 4f22946..d5cf8f3 100644
--- a/content/multiuser/AppRestrictions/LICENSE
+++ b/content/multiuser/AppRestrictions/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-
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-          6(a).
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-       5. Downstream recipients.
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-               Every recipient of Adapted Material from You
-               automatically receives an offer from the Licensor to
-               exercise the Licensed Rights in the Adapted Material
-               under the conditions of the Adapter's License You apply.
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-            c. No downstream restrictions. You may not offer or impose
-               any additional or different terms or conditions on, or
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-               Licensed Rights by any recipient of the Licensed
-               Material.
-
-       6. No endorsement. Nothing in this Public License constitutes or
-          may be construed as permission to assert or imply that You
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-          with, or sponsored, endorsed, or granted official status by,
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-          provided in Section 3(a)(1)(A)(i).
-
-  b. Other rights.
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-       1. Moral rights, such as the right of integrity, are not
-          licensed under this Public License, nor are publicity,
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-          Rights, but not otherwise.
-
-       2. Patent and trademark rights are not licensed under this
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-
-       3. To the extent possible, the Licensor waives any right to
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-          under any voluntary or waivable statutory or compulsory
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-          reserves any right to collect such royalties, including when
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-          purposes.
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-Section 3 -- License Conditions.
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-Your exercise of the Licensed Rights is expressly made subject to the
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-                    warranties;
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-                    extent reasonably practicable;
-
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-               retain an indication of any previous modifications; and
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-            c. indicate the Licensed Material is licensed under this
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-       2. You may satisfy the conditions in Section 3(a)(1) in any
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-       3. If requested by the Licensor, You must remove any of the
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-  b. ShareAlike.
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-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
-
-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
-
-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
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-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
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-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
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-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
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-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
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-          violation; or
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-       2. upon express reinstatement by the Licensor.
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diff --git a/content/multiuser/AppRestrictions/README.md b/content/multiuser/AppRestrictions/README.md
index f682572..ab2b54d 100644
--- a/content/multiuser/AppRestrictions/README.md
+++ b/content/multiuser/AppRestrictions/README.md
@@ -27,8 +27,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 25
-- Android Build Tools v25.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -57,7 +57,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.jar b/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.jar
+++ b/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.properties b/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.properties
+++ b/content/multiuser/AppRestrictions/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/multiuser/AppRestrictions/gradlew b/content/multiuser/AppRestrictions/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/multiuser/AppRestrictions/gradlew
+++ b/content/multiuser/AppRestrictions/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/multiuser/AppRestrictions/gradlew.bat b/content/multiuser/AppRestrictions/gradlew.bat
index aec9973..e95643d 100644
--- a/content/multiuser/AppRestrictions/gradlew.bat
+++ b/content/multiuser/AppRestrictions/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.jar b/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.jar
+++ b/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.properties b/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.properties
index a41d352..ae45383 100644
--- a/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.properties
+++ b/content/webview/PermissionRequest/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Dec 09 18:05:08 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/content/webview/PermissionRequest/gradlew b/content/webview/PermissionRequest/gradlew
index 91a7e26..cccdd3d 100755
--- a/content/webview/PermissionRequest/gradlew
+++ b/content/webview/PermissionRequest/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/content/webview/PermissionRequest/gradlew.bat b/content/webview/PermissionRequest/gradlew.bat
index aec9973..e95643d 100644
--- a/content/webview/PermissionRequest/gradlew.bat
+++ b/content/webview/PermissionRequest/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/input/autofill/AutofillFramework/Application/src/main/res/values/strings.xml b/input/autofill/AutofillFramework/Application/src/main/res/values/strings.xml
index 8b40483..7beec56 100644
--- a/input/autofill/AutofillFramework/Application/src/main/res/values/strings.xml
+++ b/input/autofill/AutofillFramework/Application/src/main/res/values/strings.xml
@@ -79,7 +79,7 @@
     <string name="custom_virtual_compat_mode_login_info">This is a sample login page that uses a
         custom View with virtual children. This view does not implement the Autofill APIs, but
         it generates Accessibility events, which can be used to implement Autofill through a
-        'compatibility mode' feature introduced on Android Pie.
+        \'compatibility mode\' feature introduced on Android Pie.
     </string>
     <string name="credit_card_info">This is a sample credit card checkout page that uses
         EditTexts to input data into the form.
diff --git a/input/autofill/AutofillFramework/build.gradle b/input/autofill/AutofillFramework/build.gradle
index 11bf7c9..d9ec3b5 100644
--- a/input/autofill/AutofillFramework/build.gradle
+++ b/input/autofill/AutofillFramework/build.gradle
@@ -1,18 +1,18 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.jar b/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.jar
index 13372ae..94336fc 100644
--- a/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.jar
+++ b/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.properties b/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.properties
index e0fb3c8..ae45383 100644
--- a/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.properties
+++ b/input/autofill/AutofillFramework/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Jan 12 11:03:13 PST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/input/autofill/AutofillFramework/gradlew b/input/autofill/AutofillFramework/gradlew
index 9d82f78..cccdd3d 100755
--- a/input/autofill/AutofillFramework/gradlew
+++ b/input/autofill/AutofillFramework/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,42 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -60,6 +24,46 @@
 APP_HOME="`pwd -P`"
 cd "$SAVED" >/dev/null
 
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
@@ -85,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -150,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/input/autofill/AutofillFramework/gradlew.bat b/input/autofill/AutofillFramework/gradlew.bat
index aec9973..e95643d 100644
--- a/input/autofill/AutofillFramework/gradlew.bat
+++ b/input/autofill/AutofillFramework/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/input/autofill/AutofillFramework/kotlinApp/Application/build.gradle b/input/autofill/AutofillFramework/kotlinApp/Application/build.gradle
index ed1d6a2..95d46ae 100644
--- a/input/autofill/AutofillFramework/kotlinApp/Application/build.gradle
+++ b/input/autofill/AutofillFramework/kotlinApp/Application/build.gradle
@@ -10,7 +10,7 @@
     compile 'com.android.support:design:26.0.1'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
     compile 'com.google.code.gson:gson:2.8.1'
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 
 // The sample build uses multiple directories to
diff --git a/input/autofill/AutofillFramework/kotlinApp/build.gradle b/input/autofill/AutofillFramework/kotlinApp/build.gradle
index 048d81d..dd38fe2 100644
--- a/input/autofill/AutofillFramework/kotlinApp/build.gradle
+++ b/input/autofill/AutofillFramework/kotlinApp/build.gradle
@@ -1,18 +1,18 @@
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
-    ext.kotlin_version = '1.1.4-3'
+    ext.kotlin_version = '1.3.11'
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
-}
\ No newline at end of file
+}
diff --git a/input/autofill/AutofillFramework/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/input/autofill/AutofillFramework/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 34facd6..f941550 100644
--- a/input/autofill/AutofillFramework/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/input/autofill/AutofillFramework/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Jul 31 13:11:55 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/input/gestures/BasicGestureDetect/LICENSE b/input/gestures/BasicGestureDetect/LICENSE
index 4f22946..d5cf8f3 100644
--- a/input/gestures/BasicGestureDetect/LICENSE
+++ b/input/gestures/BasicGestureDetect/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
-     example, because of any applicable exception or limitation to
-     copyright--then that use is not regulated by the license. Our
-     licenses grant only permissions under copyright and certain
-     other rights that a licensor has authority to grant. Use of
-     the licensed material may still be restricted for other
-     reasons, including because others have copyright or other
-     rights in the material. A licensor may make special requests,
-     such as asking that all changes be marked or described.
-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
-
-
-Section 1 -- Definitions.
-
-  a. Adapted Material means material subject to Copyright and Similar
-     Rights that is derived from or based upon the Licensed Material
-     and in which the Licensed Material is translated, altered,
-     arranged, transformed, or otherwise modified in a manner requiring
-     permission under the Copyright and Similar Rights held by the
-     Licensor. For purposes of this Public License, where the Licensed
-     Material is a musical work, performance, or sound recording,
-     Adapted Material is always produced where the Licensed Material is
-     synched in timed relation with a moving image.
-
-  b. Adapter's License means the license You apply to Your Copyright
-     and Similar Rights in Your contributions to Adapted Material in
-     accordance with the terms and conditions of this Public License.
-
-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
-     Commons as essentially the equivalent of this Public License.
-
-  d. Copyright and Similar Rights means copyright and/or similar rights
-     closely related to copyright including, without limitation,
-     performance, broadcast, sound recording, and Sui Generis Database
-     Rights, without regard to how the rights are labeled or
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-     fulfilling obligations under Article 11 of the WIPO Copyright
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-     equivalent rights anywhere in the world.
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-Section 3 -- License Conditions.
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-following conditions.
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-            c. indicate the Licensed Material is licensed under this
-               Public License, and include the text of, or the URI or
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-       2. You may satisfy the conditions in Section 3(a)(1) in any
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-       3. If requested by the Licensor, You must remove any of the
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-          reasonably practicable.
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-  b. ShareAlike.
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-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
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-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
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-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
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-       3. You may not offer or impose any additional or different terms
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-Section 4 -- Sui Generis Database Rights.
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-apply to Your use of the Licensed Material:
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-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
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-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
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-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
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-For the avoidance of doubt, this Section 4 supplements and does not
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-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
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-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
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-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
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-
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-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
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-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
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-Section 6 -- Term and Termination.
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-     Similar Rights licensed here. However, if You fail to comply with
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-          it is cured within 30 days of Your discovery of the
-          violation; or
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diff --git a/input/gestures/BasicGestureDetect/README.md b/input/gestures/BasicGestureDetect/README.md
index d183142..ec912ae 100644
--- a/input/gestures/BasicGestureDetect/README.md
+++ b/input/gestures/BasicGestureDetect/README.md
@@ -24,8 +24,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -54,7 +54,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.jar b/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.jar
+++ b/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.properties b/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.properties
+++ b/input/gestures/BasicGestureDetect/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/input/gestures/BasicGestureDetect/gradlew b/input/gestures/BasicGestureDetect/gradlew
index 91a7e26..cccdd3d 100755
--- a/input/gestures/BasicGestureDetect/gradlew
+++ b/input/gestures/BasicGestureDetect/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/input/gestures/BasicGestureDetect/gradlew.bat b/input/gestures/BasicGestureDetect/gradlew.bat
index aec9973..e95643d 100644
--- a/input/gestures/BasicGestureDetect/gradlew.bat
+++ b/input/gestures/BasicGestureDetect/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/input/keyboard/CommitContentSampleApp/app/build.gradle b/input/keyboard/CommitContentSampleApp/app/build.gradle
index 294f02f..76c8701 100644
--- a/input/keyboard/CommitContentSampleApp/app/build.gradle
+++ b/input/keyboard/CommitContentSampleApp/app/build.gradle
@@ -1,12 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.example.android.commitcontent.app"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -24,7 +23,7 @@
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.0.0'
-    compile 'com.android.support:support-v13:25.0.0'
+    compile 'com.android.support:appcompat-v7:28.0.0'
+    compile 'com.android.support:support-v13:28.0.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/input/keyboard/CommitContentSampleApp/build.gradle b/input/keyboard/CommitContentSampleApp/build.gradle
index 144d85e..e6a6667 100644
--- a/input/keyboard/CommitContentSampleApp/build.gradle
+++ b/input/keyboard/CommitContentSampleApp/build.gradle
@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -14,6 +15,7 @@
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
diff --git a/input/keyboard/CommitContentSampleApp/gradle/wrapper/gradle-wrapper.properties b/input/keyboard/CommitContentSampleApp/gradle/wrapper/gradle-wrapper.properties
index fc5d442..f941550 100644
--- a/input/keyboard/CommitContentSampleApp/gradle/wrapper/gradle-wrapper.properties
+++ b/input/keyboard/CommitContentSampleApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 28 10:00:20 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/input/keyboard/CommitContentSampleIME/app/build.gradle b/input/keyboard/CommitContentSampleIME/app/build.gradle
index c753aa1..62aa157 100644
--- a/input/keyboard/CommitContentSampleIME/app/build.gradle
+++ b/input/keyboard/CommitContentSampleIME/app/build.gradle
@@ -1,12 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.example.android.commitcontent.ime"
         minSdkVersion 16
-        targetSdkVersion 25
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -24,7 +23,7 @@
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.0.0'
-    compile 'com.android.support:support-v13:25.0.0'
+    compile 'com.android.support:appcompat-v7:28.0.0'
+    compile 'com.android.support:support-v13:28.0.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/input/keyboard/CommitContentSampleIME/build.gradle b/input/keyboard/CommitContentSampleIME/build.gradle
index 144d85e..e6a6667 100644
--- a/input/keyboard/CommitContentSampleIME/build.gradle
+++ b/input/keyboard/CommitContentSampleIME/build.gradle
@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -14,6 +15,7 @@
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
diff --git a/input/keyboard/CommitContentSampleIME/gradle/wrapper/gradle-wrapper.properties b/input/keyboard/CommitContentSampleIME/gradle/wrapper/gradle-wrapper.properties
index fc5d442..f941550 100644
--- a/input/keyboard/CommitContentSampleIME/gradle/wrapper/gradle-wrapper.properties
+++ b/input/keyboard/CommitContentSampleIME/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 28 10:00:20 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/input/multitouch/BasicMultitouch/LICENSE b/input/multitouch/BasicMultitouch/LICENSE
index 4f22946..d5cf8f3 100644
--- a/input/multitouch/BasicMultitouch/LICENSE
+++ b/input/multitouch/BasicMultitouch/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/input/multitouch/BasicMultitouch/README.md b/input/multitouch/BasicMultitouch/README.md
index 9b1e8be..ed1f067 100644
--- a/input/multitouch/BasicMultitouch/README.md
+++ b/input/multitouch/BasicMultitouch/README.md
@@ -29,8 +29,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -59,7 +59,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.jar b/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.jar
+++ b/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.properties b/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.properties
+++ b/input/multitouch/BasicMultitouch/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/input/multitouch/BasicMultitouch/gradlew b/input/multitouch/BasicMultitouch/gradlew
index 91a7e26..cccdd3d 100755
--- a/input/multitouch/BasicMultitouch/gradlew
+++ b/input/multitouch/BasicMultitouch/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/input/multitouch/BasicMultitouch/gradlew.bat b/input/multitouch/BasicMultitouch/gradlew.bat
index aec9973..e95643d 100644
--- a/input/multitouch/BasicMultitouch/gradlew.bat
+++ b/input/multitouch/BasicMultitouch/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/input/multitouch/BasicMultitouch/template-params.xml b/input/multitouch/BasicMultitouch/template-params.xml
index 40d2a18..a50fe25 100644
--- a/input/multitouch/BasicMultitouch/template-params.xml
+++ b/input/multitouch/BasicMultitouch/template-params.xml
@@ -22,7 +22,7 @@
 
 
     <!-- change minSdk if needed-->
-    <minSdk>8</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/media/BasicMediaDecoder/LICENSE b/media/BasicMediaDecoder/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/BasicMediaDecoder/LICENSE
+++ b/media/BasicMediaDecoder/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
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-
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-
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diff --git a/media/BasicMediaDecoder/README.md b/media/BasicMediaDecoder/README.md
index 837acd7..71b878f 100644
--- a/media/BasicMediaDecoder/README.md
+++ b/media/BasicMediaDecoder/README.md
@@ -54,8 +54,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -84,7 +84,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar
+++ b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties
+++ b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/BasicMediaDecoder/gradlew b/media/BasicMediaDecoder/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/BasicMediaDecoder/gradlew
+++ b/media/BasicMediaDecoder/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/BasicMediaDecoder/gradlew.bat b/media/BasicMediaDecoder/gradlew.bat
index aec9973..e95643d 100644
--- a/media/BasicMediaDecoder/gradlew.bat
+++ b/media/BasicMediaDecoder/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/BasicMediaRouter/LICENSE b/media/BasicMediaRouter/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/BasicMediaRouter/LICENSE
+++ b/media/BasicMediaRouter/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-
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-
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-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
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-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
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diff --git a/media/BasicMediaRouter/README.md b/media/BasicMediaRouter/README.md
index 0eee9f5..350fa7f 100644
--- a/media/BasicMediaRouter/README.md
+++ b/media/BasicMediaRouter/README.md
@@ -14,8 +14,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -39,7 +39,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.jar b/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.jar
+++ b/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.properties b/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.properties
index 21e2aff..ae45383 100644
--- a/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.properties
+++ b/media/BasicMediaRouter/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Sep 27 20:27:58 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/BasicMediaRouter/gradlew b/media/BasicMediaRouter/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/BasicMediaRouter/gradlew
+++ b/media/BasicMediaRouter/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/BasicMediaRouter/gradlew.bat b/media/BasicMediaRouter/gradlew.bat
index aec9973..e95643d 100644
--- a/media/BasicMediaRouter/gradlew.bat
+++ b/media/BasicMediaRouter/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/Camera2Basic/LICENSE b/media/Camera2Basic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/Camera2Basic/LICENSE
+++ b/media/Camera2Basic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-terms and conditions, or any related information. Creative Commons
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-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
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-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
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-     all or a substantial portion of the contents of the database.
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diff --git a/media/Camera2Basic/README.md b/media/Camera2Basic/README.md
index 2bf96ea..35bf4bd 100644
--- a/media/Camera2Basic/README.md
+++ b/media/Camera2Basic/README.md
@@ -42,8 +42,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 25
-- Android Build Tools v25.0.3
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -72,7 +72,7 @@
 License
 -------
 
-Copyright 2017 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/Camera2Basic/gradle/wrapper/gradle-wrapper.jar b/media/Camera2Basic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/Camera2Basic/gradle/wrapper/gradle-wrapper.jar
+++ b/media/Camera2Basic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/Camera2Basic/gradle/wrapper/gradle-wrapper.properties b/media/Camera2Basic/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/Camera2Basic/gradle/wrapper/gradle-wrapper.properties
+++ b/media/Camera2Basic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/Camera2Basic/gradlew b/media/Camera2Basic/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/Camera2Basic/gradlew
+++ b/media/Camera2Basic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/Camera2Basic/gradlew.bat b/media/Camera2Basic/gradlew.bat
index aec9973..e95643d 100644
--- a/media/Camera2Basic/gradlew.bat
+++ b/media/Camera2Basic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/Camera2Basic/kotlinApp/Application/build.gradle b/media/Camera2Basic/kotlinApp/Application/build.gradle
index c30a09a..af2d4ba 100644
--- a/media/Camera2Basic/kotlinApp/Application/build.gradle
+++ b/media/Camera2Basic/kotlinApp/Application/build.gradle
@@ -24,5 +24,5 @@
 
 dependencies {
     implementation "com.android.support:appcompat-v7:26.1.0"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
diff --git a/media/Camera2Basic/kotlinApp/build.gradle b/media/Camera2Basic/kotlinApp/build.gradle
index 829a025..6919788 100644
--- a/media/Camera2Basic/kotlinApp/build.gradle
+++ b/media/Camera2Basic/kotlinApp/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-  ext.kotlin_version = '1.1.51'
+  ext.kotlin_version = '1.3.11'
   repositories {
     google()
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:3.0.0'
+    classpath 'com.android.tools.build:gradle:3.3.0'
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
   }
 }
diff --git a/media/Camera2Basic/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/media/Camera2Basic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 32d89d5..f941550 100644
--- a/media/Camera2Basic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/media/Camera2Basic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Sep 20 14:52:30 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/media/Camera2Raw/gradle/wrapper/gradle-wrapper.jar b/media/Camera2Raw/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/Camera2Raw/gradle/wrapper/gradle-wrapper.jar
+++ b/media/Camera2Raw/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/Camera2Raw/gradle/wrapper/gradle-wrapper.properties b/media/Camera2Raw/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/Camera2Raw/gradle/wrapper/gradle-wrapper.properties
+++ b/media/Camera2Raw/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/Camera2Raw/gradlew b/media/Camera2Raw/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/Camera2Raw/gradlew
+++ b/media/Camera2Raw/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/Camera2Raw/gradlew.bat b/media/Camera2Raw/gradlew.bat
index aec9973..e95643d 100644
--- a/media/Camera2Raw/gradlew.bat
+++ b/media/Camera2Raw/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/Camera2Video/LICENSE b/media/Camera2Video/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/Camera2Video/LICENSE
+++ b/media/Camera2Video/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
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-     Licensors should also secure all rights necessary before
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-     material not subject to the license. This includes other CC-
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-
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-     Although not required by our licenses, you are encouraged to
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-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
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-     Adapted Material is always produced where the Licensed Material is
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-  c. BY-NC-SA Compatible License means a license listed at
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-  e. Effective Technological Measures means those measures that, in the
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-     equivalent rights anywhere in the world.
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-          License does not apply, and You do not need to comply with
-          its terms and conditions.
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-          technical modifications necessary to circumvent Effective
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-          provided in Section 3(a)(1)(A)(i).
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-  b. Other rights.
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-
-       2. Patent and trademark rights are not licensed under this
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-                    warranties;
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diff --git a/media/Camera2Video/README.md b/media/Camera2Video/README.md
index 1a3ec5d..d2a60a6 100644
--- a/media/Camera2Video/README.md
+++ b/media/Camera2Video/README.md
@@ -43,8 +43,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -73,7 +73,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/Camera2Video/gradle/wrapper/gradle-wrapper.jar b/media/Camera2Video/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/Camera2Video/gradle/wrapper/gradle-wrapper.jar
+++ b/media/Camera2Video/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/Camera2Video/gradle/wrapper/gradle-wrapper.properties b/media/Camera2Video/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/Camera2Video/gradle/wrapper/gradle-wrapper.properties
+++ b/media/Camera2Video/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/Camera2Video/gradlew b/media/Camera2Video/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/Camera2Video/gradlew
+++ b/media/Camera2Video/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/Camera2Video/gradlew.bat b/media/Camera2Video/gradlew.bat
index aec9973..e95643d 100644
--- a/media/Camera2Video/gradlew.bat
+++ b/media/Camera2Video/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/Camera2Video/kotlinApp/Application/build.gradle b/media/Camera2Video/kotlinApp/Application/build.gradle
index 1d01e7e..18bc621 100644
--- a/media/Camera2Video/kotlinApp/Application/build.gradle
+++ b/media/Camera2Video/kotlinApp/Application/build.gradle
@@ -21,5 +21,5 @@
 
 dependencies {
     implementation "com.android.support:appcompat-v7:27.0.2"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
\ No newline at end of file
diff --git a/media/Camera2Video/kotlinApp/build.gradle b/media/Camera2Video/kotlinApp/build.gradle
index 60add8f..03239d7 100644
--- a/media/Camera2Video/kotlinApp/build.gradle
+++ b/media/Camera2Video/kotlinApp/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/media/Camera2Video/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/media/Camera2Video/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index dda7c1f..f941550 100644
--- a/media/Camera2Video/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/media/Camera2Video/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 04 13:19:29 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/media/HdrViewfinder/LICENSE b/media/HdrViewfinder/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/HdrViewfinder/LICENSE
+++ b/media/HdrViewfinder/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
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diff --git a/media/HdrViewfinder/README.md b/media/HdrViewfinder/README.md
index ca266b7..f60421c 100644
--- a/media/HdrViewfinder/README.md
+++ b/media/HdrViewfinder/README.md
@@ -43,8 +43,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -73,7 +73,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.jar b/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.jar
+++ b/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.properties b/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.properties
+++ b/media/HdrViewfinder/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/HdrViewfinder/gradlew b/media/HdrViewfinder/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/HdrViewfinder/gradlew
+++ b/media/HdrViewfinder/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/HdrViewfinder/gradlew.bat b/media/HdrViewfinder/gradlew.bat
index aec9973..e95643d 100644
--- a/media/HdrViewfinder/gradlew.bat
+++ b/media/HdrViewfinder/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/HdrViewfinder/template-params.xml b/media/HdrViewfinder/template-params.xml
index d63c099..c7da2b4 100644
--- a/media/HdrViewfinder/template-params.xml
+++ b/media/HdrViewfinder/template-params.xml
@@ -21,7 +21,7 @@
 
     <minSdk>21</minSdk>
 
-    <dependency>com.android.support:design:24.0.0</dependency>
+    <dependency>com.android.support:design:28.0.0</dependency>
 
     <strings>
         <intro>
diff --git a/media/MediaBrowserService/Application/build.gradle b/media/MediaBrowserService/Application/build.gradle
index e903f75..eb82175 100644
--- a/media/MediaBrowserService/Application/build.gradle
+++ b/media/MediaBrowserService/Application/build.gradle
@@ -1,30 +1,31 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
 
-    compile "com.android.support:support-v4:26.1.0"
-    compile "com.android.support:support-v13:26.1.0"
-    compile "com.android.support:cardview-v7:26.1.0"
+    implementation "com.android.support:support-v4:28.0.0"
+    implementation "com.android.support:support-v13:28.0.0"
+    implementation "com.android.support:cardview-v7:28.0.0"
 
-    compile 'com.android.support:appcompat-v7:26.1.0'
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+
 }
 
 // The sample build uses multiple directories to
@@ -36,13 +37,13 @@
     'template'] // boilerplate code that is generated by the sample template process
 
 android {
-        compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "26.0.1"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 19
-        targetSdkVersion 26
+        targetSdkVersion 28
 
     }
 
diff --git a/media/MediaBrowserService/LICENSE b/media/MediaBrowserService/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/MediaBrowserService/LICENSE
+++ b/media/MediaBrowserService/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/media/MediaBrowserService/README.md b/media/MediaBrowserService/README.md
index 2deee4e..2b906a0 100644
--- a/media/MediaBrowserService/README.md
+++ b/media/MediaBrowserService/README.md
@@ -78,8 +78,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 26
-- Android Build Tools v26.0.1
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -108,7 +108,7 @@
 License
 -------
 
-Copyright 2017 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/MediaBrowserService/gradle/wrapper/gradle-wrapper.properties b/media/MediaBrowserService/gradle/wrapper/gradle-wrapper.properties
index a61334b..f941550 100644
--- a/media/MediaBrowserService/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MediaBrowserService/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Sep 19 11:11:29 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/media/MediaBrowserService/packaging.yaml b/media/MediaBrowserService/packaging.yaml
index b1d7bbd..287999e 100644
--- a/media/MediaBrowserService/packaging.yaml
+++ b/media/MediaBrowserService/packaging.yaml
@@ -4,7 +4,7 @@
 # End users may safely ignore this file. It has no relevance to other systems.
 ---
 
-status:       PUBLISHED
+status:       DEPRECATED
 technologies: [Android]
 categories:   [None]
 languages:    [Java]
diff --git a/media/MediaEffects/gradle/wrapper/gradle-wrapper.jar b/media/MediaEffects/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/MediaEffects/gradle/wrapper/gradle-wrapper.jar
+++ b/media/MediaEffects/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/MediaEffects/gradle/wrapper/gradle-wrapper.properties b/media/MediaEffects/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/MediaEffects/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MediaEffects/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/MediaEffects/gradlew b/media/MediaEffects/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/MediaEffects/gradlew
+++ b/media/MediaEffects/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/MediaEffects/gradlew.bat b/media/MediaEffects/gradlew.bat
index aec9973..e95643d 100644
--- a/media/MediaEffects/gradlew.bat
+++ b/media/MediaEffects/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/MediaRecorder/LICENSE b/media/MediaRecorder/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/MediaRecorder/LICENSE
+++ b/media/MediaRecorder/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
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-       2. You may satisfy the conditions in Section 3(a)(1) in any
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-       3. If requested by the Licensor, You must remove any of the
-          information required by Section 3(a)(1)(A) to the extent
-          reasonably practicable.
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-  b. ShareAlike.
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-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
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-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
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-Section 4 -- Sui Generis Database Rights.
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-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
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-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
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-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
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-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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-Section 6 -- Term and Termination.
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diff --git a/media/MediaRecorder/README.md b/media/MediaRecorder/README.md
index 8f4519e..361b23c 100644
--- a/media/MediaRecorder/README.md
+++ b/media/MediaRecorder/README.md
@@ -25,8 +25,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -55,7 +55,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/MediaRecorder/gradle/wrapper/gradle-wrapper.jar b/media/MediaRecorder/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/MediaRecorder/gradle/wrapper/gradle-wrapper.jar
+++ b/media/MediaRecorder/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/MediaRecorder/gradle/wrapper/gradle-wrapper.properties b/media/MediaRecorder/gradle/wrapper/gradle-wrapper.properties
index 6befd5b..ae45383 100644
--- a/media/MediaRecorder/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MediaRecorder/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Sep 28 16:46:12 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/MediaRecorder/gradlew b/media/MediaRecorder/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/MediaRecorder/gradlew
+++ b/media/MediaRecorder/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/MediaRecorder/gradlew.bat b/media/MediaRecorder/gradlew.bat
index aec9973..e95643d 100644
--- a/media/MediaRecorder/gradlew.bat
+++ b/media/MediaRecorder/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/MediaRouter/LICENSE b/media/MediaRouter/LICENSE
index 4f22946..d5cf8f3 100644
--- a/media/MediaRouter/LICENSE
+++ b/media/MediaRouter/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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-
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-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
-     Commons as essentially the equivalent of this Public License.
-
-  d. Copyright and Similar Rights means copyright and/or similar rights
-     closely related to copyright including, without limitation,
-     performance, broadcast, sound recording, and Sui Generis Database
-     Rights, without regard to how the rights are labeled or
-     categorized. For purposes of this Public License, the rights
-     specified in Section 2(b)(1)-(2) are not Copyright and Similar
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-  e. Effective Technological Measures means those measures that, in the
-     absence of proper authority, may not be circumvented under laws
-     fulfilling obligations under Article 11 of the WIPO Copyright
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-     agreements.
-
-  f. Exceptions and Limitations means fair use, fair dealing, and/or
-     any other exception or limitation to Copyright and Similar Rights
-     that applies to Your use of the Licensed Material.
-
-  g. License Elements means the license attributes listed in the name
-     of a Creative Commons Public License. The License Elements of this
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-  h. Licensed Material means the artistic or literary work, database,
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-  i. Licensed Rights means the rights granted to You subject to the
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-     all Copyright and Similar Rights that apply to Your use of the
-     Licensed Material and that the Licensor has authority to license.
-
-  j. Licensor means the individual(s) or entity(ies) granting rights
-     under this Public License.
-
-  k. NonCommercial means not primarily intended for or directed towards
-     commercial advantage or monetary compensation. For purposes of
-     this Public License, the exchange of the Licensed Material for
-     other material subject to Copyright and Similar Rights by digital
-     file-sharing or similar means is NonCommercial provided there is
-     no payment of monetary compensation in connection with the
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-  l. Share means to provide material to the public by any means or
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-     available to the public including in ways that members of the
-     public may access the material from a place and at a time
-     individually chosen by them.
-
-  m. Sui Generis Database Rights means rights other than copyright
-     resulting from Directive 96/9/EC of the European Parliament and of
-     the Council of 11 March 1996 on the legal protection of databases,
-     as amended and/or succeeded, as well as other essentially
-     equivalent rights anywhere in the world.
-
-  n. You means the individual or entity exercising the Licensed Rights
-     under this Public License. Your has a corresponding meaning.
-
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-Section 2 -- Scope.
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-  a. License grant.
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-       1. Subject to the terms and conditions of this Public License,
-          the Licensor hereby grants You a worldwide, royalty-free,
-          non-sublicensable, non-exclusive, irrevocable license to
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-       2. Exceptions and Limitations. For the avoidance of doubt, where
-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
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-       3. Term. The term of this Public License is specified in Section
-          6(a).
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-          Licensor authorizes You to exercise the Licensed Rights in
-          all media and formats whether now known or hereafter created,
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-          Licensor waives and/or agrees not to assert any right or
-          authority to forbid You from making technical modifications
-          necessary to exercise the Licensed Rights, including
-          technical modifications necessary to circumvent Effective
-          Technological Measures. For purposes of this Public License,
-          simply making modifications authorized by this Section 2(a)
-          (4) never produces Adapted Material.
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-       5. Downstream recipients.
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-            a. Offer from the Licensor -- Licensed Material. Every
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-               Licensed Rights under the terms and conditions of this
-               Public License.
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-               Every recipient of Adapted Material from You
-               automatically receives an offer from the Licensor to
-               exercise the Licensed Rights in the Adapted Material
-               under the conditions of the Adapter's License You apply.
-
-            c. No downstream restrictions. You may not offer or impose
-               any additional or different terms or conditions on, or
-               apply any Effective Technological Measures to, the
-               Licensed Material if doing so restricts exercise of the
-               Licensed Rights by any recipient of the Licensed
-               Material.
-
-       6. No endorsement. Nothing in this Public License constitutes or
-          may be construed as permission to assert or imply that You
-          are, or that Your use of the Licensed Material is, connected
-          with, or sponsored, endorsed, or granted official status by,
-          the Licensor or others designated to receive attribution as
-          provided in Section 3(a)(1)(A)(i).
-
-  b. Other rights.
-
-       1. Moral rights, such as the right of integrity, are not
-          licensed under this Public License, nor are publicity,
-          privacy, and/or other similar personality rights; however, to
-          the extent possible, the Licensor waives and/or agrees not to
-          assert any such rights held by the Licensor to the limited
-          extent necessary to allow You to exercise the Licensed
-          Rights, but not otherwise.
-
-       2. Patent and trademark rights are not licensed under this
-          Public License.
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-       3. To the extent possible, the Licensor waives any right to
-          collect royalties from You for the exercise of the Licensed
-          Rights, whether directly or through a collecting society
-          under any voluntary or waivable statutory or compulsory
-          licensing scheme. In all other cases the Licensor expressly
-          reserves any right to collect such royalties, including when
-          the Licensed Material is used other than for NonCommercial
-          purposes.
-
-
-Section 3 -- License Conditions.
-
-Your exercise of the Licensed Rights is expressly made subject to the
-following conditions.
-
-  a. Attribution.
-
-       1. If You Share the Licensed Material (including in modified
-          form), You must:
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-            a. retain the following if it is supplied by the Licensor
-               with the Licensed Material:
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-                 i. identification of the creator(s) of the Licensed
-                    Material and any others designated to receive
-                    attribution, in any reasonable manner requested by
-                    the Licensor (including by pseudonym if
-                    designated);
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-                ii. a copyright notice;
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-               iii. a notice that refers to this Public License;
-
-                iv. a notice that refers to the disclaimer of
-                    warranties;
-
-                 v. a URI or hyperlink to the Licensed Material to the
-                    extent reasonably practicable;
-
-            b. indicate if You modified the Licensed Material and
-               retain an indication of any previous modifications; and
-
-            c. indicate the Licensed Material is licensed under this
-               Public License, and include the text of, or the URI or
-               hyperlink to, this Public License.
-
-       2. You may satisfy the conditions in Section 3(a)(1) in any
-          reasonable manner based on the medium, means, and context in
-          which You Share the Licensed Material. For example, it may be
-          reasonable to satisfy the conditions by providing a URI or
-          hyperlink to a resource that includes the required
-          information.
-       3. If requested by the Licensor, You must remove any of the
-          information required by Section 3(a)(1)(A) to the extent
-          reasonably practicable.
-
-  b. ShareAlike.
-
-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
-
-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
-
-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
-
-
-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
-
-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
-
-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
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-Section 7 -- Other Terms and Conditions.
-
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-     terms or conditions communicated by You unless expressly agreed.
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-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
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-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
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-     Licensor.
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-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
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-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/media/MediaRouter/README.md b/media/MediaRouter/README.md
index 6e4f1d2..8787025 100644
--- a/media/MediaRouter/README.md
+++ b/media/MediaRouter/README.md
@@ -7,8 +7,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -32,7 +32,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/media/MediaRouter/gradle/wrapper/gradle-wrapper.jar b/media/MediaRouter/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/MediaRouter/gradle/wrapper/gradle-wrapper.jar
+++ b/media/MediaRouter/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/MediaRouter/gradle/wrapper/gradle-wrapper.properties b/media/MediaRouter/gradle/wrapper/gradle-wrapper.properties
index 1b968aa..ae45383 100644
--- a/media/MediaRouter/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MediaRouter/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Sep 28 17:54:49 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/MediaRouter/gradlew b/media/MediaRouter/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/MediaRouter/gradlew
+++ b/media/MediaRouter/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/MediaRouter/gradlew.bat b/media/MediaRouter/gradlew.bat
index aec9973..e95643d 100644
--- a/media/MediaRouter/gradlew.bat
+++ b/media/MediaRouter/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/MidiScope/gradle/wrapper/gradle-wrapper.jar b/media/MidiScope/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/MidiScope/gradle/wrapper/gradle-wrapper.jar
+++ b/media/MidiScope/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/MidiScope/gradle/wrapper/gradle-wrapper.properties b/media/MidiScope/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/MidiScope/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MidiScope/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/MidiScope/gradlew b/media/MidiScope/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/MidiScope/gradlew
+++ b/media/MidiScope/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/MidiScope/gradlew.bat b/media/MidiScope/gradlew.bat
index aec9973..e95643d 100644
--- a/media/MidiScope/gradlew.bat
+++ b/media/MidiScope/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/MidiSynth/gradle/wrapper/gradle-wrapper.jar b/media/MidiSynth/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/MidiSynth/gradle/wrapper/gradle-wrapper.jar
+++ b/media/MidiSynth/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/MidiSynth/gradle/wrapper/gradle-wrapper.properties b/media/MidiSynth/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/MidiSynth/gradle/wrapper/gradle-wrapper.properties
+++ b/media/MidiSynth/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/MidiSynth/gradlew b/media/MidiSynth/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/MidiSynth/gradlew
+++ b/media/MidiSynth/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/MidiSynth/gradlew.bat b/media/MidiSynth/gradlew.bat
index aec9973..e95643d 100644
--- a/media/MidiSynth/gradlew.bat
+++ b/media/MidiSynth/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/media/PictureInPicture/build.gradle b/media/PictureInPicture/build.gradle
index e044f03..1e8b060 100644
--- a/media/PictureInPicture/build.gradle
+++ b/media/PictureInPicture/build.gradle
@@ -6,7 +6,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
diff --git a/media/PictureInPicture/gradle/wrapper/gradle-wrapper.properties b/media/PictureInPicture/gradle/wrapper/gradle-wrapper.properties
index ee48ea2..f941550 100644
--- a/media/PictureInPicture/gradle/wrapper/gradle-wrapper.properties
+++ b/media/PictureInPicture/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Oct 02 16:19:57 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/media/PictureInPicture/kotlinApp/app/build.gradle b/media/PictureInPicture/kotlinApp/app/build.gradle
index 3a8a654..f58d8e0 100644
--- a/media/PictureInPicture/kotlinApp/app/build.gradle
+++ b/media/PictureInPicture/kotlinApp/app/build.gradle
@@ -2,7 +2,7 @@
     repositories {
         jcenter()
     }
-    ext.kotlin_version = '1.1.3-2'
+    ext.kotlin_version = '1.3.11'
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
@@ -39,5 +39,5 @@
     compile 'com.android.support:support-media-compat:27.0.0'
 
     testCompile 'junit:junit:4.12'
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
diff --git a/media/PictureInPicture/kotlinApp/build.gradle b/media/PictureInPicture/kotlinApp/build.gradle
index 3943e2f..e30ab77 100644
--- a/media/PictureInPicture/kotlinApp/build.gradle
+++ b/media/PictureInPicture/kotlinApp/build.gradle
@@ -6,7 +6,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
diff --git a/media/PictureInPicture/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/media/PictureInPicture/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 6be2d8f..f941550 100644
--- a/media/PictureInPicture/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/media/PictureInPicture/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue May 16 19:45:19 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/media/ScreenCapture/gradle/wrapper/gradle-wrapper.jar b/media/ScreenCapture/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/media/ScreenCapture/gradle/wrapper/gradle-wrapper.jar
+++ b/media/ScreenCapture/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/ScreenCapture/gradle/wrapper/gradle-wrapper.properties b/media/ScreenCapture/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/media/ScreenCapture/gradle/wrapper/gradle-wrapper.properties
+++ b/media/ScreenCapture/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/media/ScreenCapture/gradlew b/media/ScreenCapture/gradlew
index 91a7e26..cccdd3d 100755
--- a/media/ScreenCapture/gradlew
+++ b/media/ScreenCapture/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/media/ScreenCapture/gradlew.bat b/media/ScreenCapture/gradlew.bat
index aec9973..e95643d 100644
--- a/media/ScreenCapture/gradlew.bat
+++ b/media/ScreenCapture/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.jar b/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.properties b/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/ActiveNotifications/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/notification/ActiveNotifications/gradlew b/notification/ActiveNotifications/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/ActiveNotifications/gradlew
+++ b/notification/ActiveNotifications/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/ActiveNotifications/gradlew.bat b/notification/ActiveNotifications/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/ActiveNotifications/gradlew.bat
+++ b/notification/ActiveNotifications/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/ActiveNotifications/template-params.xml b/notification/ActiveNotifications/template-params.xml
index d750bbc..5f876a0 100644
--- a/notification/ActiveNotifications/template-params.xml
+++ b/notification/ActiveNotifications/template-params.xml
@@ -20,8 +20,6 @@
     <package>com.example.android.activenotifications</package>
 
     <minSdk>24</minSdk>
-    <compileSdkVersion>24</compileSdkVersion>
-    <targetSdkVersion>24</targetSdkVersion>
 
     <strings>
         <intro>
@@ -77,7 +75,7 @@
 and define a notification group summary.
 
 In Android M, you can query for the active notifications that your app sent
-sing the [notify][2] methods.
+using the [notify][2] methods.
 
 This sample demonstrates simple use of these features by allowing a user
 to add notifications and then query how many notifications
diff --git a/notification/BasicNotifications/LICENSE b/notification/BasicNotifications/LICENSE
index 4f22946..d5cf8f3 100644
--- a/notification/BasicNotifications/LICENSE
+++ b/notification/BasicNotifications/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
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-
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diff --git a/notification/BasicNotifications/README.md b/notification/BasicNotifications/README.md
index 3b0c28c..16b7a35 100644
--- a/notification/BasicNotifications/README.md
+++ b/notification/BasicNotifications/README.md
@@ -53,8 +53,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -83,7 +83,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.jar b/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.properties b/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/BasicNotifications/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/notification/BasicNotifications/gradlew b/notification/BasicNotifications/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/BasicNotifications/gradlew
+++ b/notification/BasicNotifications/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/BasicNotifications/gradlew.bat b/notification/BasicNotifications/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/BasicNotifications/gradlew.bat
+++ b/notification/BasicNotifications/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/BasicNotifications/template-params.xml b/notification/BasicNotifications/template-params.xml
index 8d3fb1d..93dfa74 100644
--- a/notification/BasicNotifications/template-params.xml
+++ b/notification/BasicNotifications/template-params.xml
@@ -20,7 +20,7 @@
     <group>Notification</group>
     <package>com.example.android.basicnotifications</package>
     <!-- change minSdk if needed-->
-    <minSdk>8</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/notification/CustomNotifications/LICENSE b/notification/CustomNotifications/LICENSE
index 4f22946..d5cf8f3 100644
--- a/notification/CustomNotifications/LICENSE
+++ b/notification/CustomNotifications/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-
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diff --git a/notification/CustomNotifications/README.md b/notification/CustomNotifications/README.md
index b9567ea..9d5e2df 100644
--- a/notification/CustomNotifications/README.md
+++ b/notification/CustomNotifications/README.md
@@ -25,8 +25,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -55,7 +55,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.jar b/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.properties b/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/CustomNotifications/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/notification/CustomNotifications/gradlew b/notification/CustomNotifications/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/CustomNotifications/gradlew
+++ b/notification/CustomNotifications/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/CustomNotifications/gradlew.bat b/notification/CustomNotifications/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/CustomNotifications/gradlew.bat
+++ b/notification/CustomNotifications/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/LNotifications/Application/src/main/AndroidManifest.xml b/notification/LNotifications/Application/src/main/AndroidManifest.xml
index 816d78f..c8fa02c 100644
--- a/notification/LNotifications/Application/src/main/AndroidManifest.xml
+++ b/notification/LNotifications/Application/src/main/AndroidManifest.xml
@@ -25,7 +25,7 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
+        android:theme="@style/Theme.LNotification" >
         <activity
             android:name=".LNotificationActivity"
             android:label="@string/app_name" >
diff --git a/notification/LNotifications/Application/src/main/res/values/styles.xml b/notification/LNotifications/Application/src/main/res/values/styles.xml
new file mode 100644
index 0000000..68c4296
--- /dev/null
+++ b/notification/LNotifications/Application/src/main/res/values/styles.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2019 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<resources>
+    <style name="Theme.LNotification" parent="Theme.AppCompat.Light.DarkActionBar" />
+</resources>
diff --git a/notification/LNotifications/LICENSE b/notification/LNotifications/LICENSE
index 4f22946..d5cf8f3 100644
--- a/notification/LNotifications/LICENSE
+++ b/notification/LNotifications/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
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-
diff --git a/notification/LNotifications/README.md b/notification/LNotifications/README.md
index 605a514..b14357b 100644
--- a/notification/LNotifications/README.md
+++ b/notification/LNotifications/README.md
@@ -26,8 +26,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -56,7 +56,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/notification/LNotifications/gradle/wrapper/gradle-wrapper.jar b/notification/LNotifications/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/LNotifications/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/LNotifications/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/LNotifications/gradle/wrapper/gradle-wrapper.properties b/notification/LNotifications/gradle/wrapper/gradle-wrapper.properties
index 5b7f974..ae45383 100644
--- a/notification/LNotifications/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/LNotifications/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Aug 06 17:33:35 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/notification/LNotifications/gradlew b/notification/LNotifications/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/LNotifications/gradlew
+++ b/notification/LNotifications/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/LNotifications/gradlew.bat b/notification/LNotifications/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/LNotifications/gradlew.bat
+++ b/notification/LNotifications/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/LNotifications/template-params.xml b/notification/LNotifications/template-params.xml
index 9d327a4..3227bb2 100644
--- a/notification/LNotifications/template-params.xml
+++ b/notification/LNotifications/template-params.xml
@@ -22,7 +22,8 @@
 
     <!-- change minSdk if needed-->
     <minSdk>21</minSdk>
-    <targetSdkVersion>22</targetSdkVersion>
+
+    <dependency>com.android.support:design:28.0.0</dependency>
 
     <strings>
         <intro>
diff --git a/notification/MessagingService/LICENSE b/notification/MessagingService/LICENSE
index 4f22946..d5cf8f3 100644
--- a/notification/MessagingService/LICENSE
+++ b/notification/MessagingService/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
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-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/notification/MessagingService/README.md b/notification/MessagingService/README.md
index f5f8448..c0c60dc 100644
--- a/notification/MessagingService/README.md
+++ b/notification/MessagingService/README.md
@@ -50,8 +50,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -80,7 +80,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/notification/MessagingService/gradle/wrapper/gradle-wrapper.jar b/notification/MessagingService/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/MessagingService/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/MessagingService/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/MessagingService/gradle/wrapper/gradle-wrapper.properties b/notification/MessagingService/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/notification/MessagingService/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/MessagingService/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/notification/MessagingService/gradlew b/notification/MessagingService/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/MessagingService/gradlew
+++ b/notification/MessagingService/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/MessagingService/gradlew.bat b/notification/MessagingService/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/MessagingService/gradlew.bat
+++ b/notification/MessagingService/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/MessagingService/template-params.xml b/notification/MessagingService/template-params.xml
index 8113c3f..879d22a 100644
--- a/notification/MessagingService/template-params.xml
+++ b/notification/MessagingService/template-params.xml
@@ -20,8 +20,6 @@
     <package>com.example.android.messagingservice</package>
 
     <minSdk>21</minSdk>
-    <compileSdkVersion>24</compileSdkVersion>
-    <targetSdkVersion>24</targetSdkVersion>
 
     <strings>
         <intro>
diff --git a/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.jar b/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.jar
+++ b/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.properties b/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.properties
index b59b070..ae45383 100644
--- a/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/NotificationChannels/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon May 15 21:58:40 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/notification/NotificationChannels/gradlew b/notification/NotificationChannels/gradlew
index 91a7e26..cccdd3d 100755
--- a/notification/NotificationChannels/gradlew
+++ b/notification/NotificationChannels/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/notification/NotificationChannels/gradlew.bat b/notification/NotificationChannels/gradlew.bat
index aec9973..e95643d 100644
--- a/notification/NotificationChannels/gradlew.bat
+++ b/notification/NotificationChannels/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/notification/NotificationChannels/kotlinApp/Application/build.gradle b/notification/NotificationChannels/kotlinApp/Application/build.gradle
index 6ec9f3d..6dd194e 100644
--- a/notification/NotificationChannels/kotlinApp/Application/build.gradle
+++ b/notification/NotificationChannels/kotlinApp/Application/build.gradle
@@ -1,10 +1,11 @@
 buildscript {
     repositories {
+        google()
         jcenter()
     }
-    ext.kotlin_version = '1.1.2-4'
+    ext.kotlin_version = '1.3.11'
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -23,7 +24,7 @@
     compile "com.android.support:support-v13:25.3.1"
     compile "com.android.support:cardview-v7:25.3.1"
     compile "com.android.support:appcompat-v7:25.3.1"
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 
 // The sample build uses multiple directories to
@@ -35,8 +36,7 @@
     'template'] // boilerplate code that is generated by the sample template process
 
 android {
-    compileSdkVersion "android-O"
-    buildToolsVersion "25.0.3"
+    compileSdkVersion 27
 
     defaultConfig {
         minSdkVersion 21
diff --git a/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index b59b070..f941550 100644
--- a/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon May 15 21:58:40 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/renderScript/BasicRenderScript/Application/src/main/res/values/strings.xml b/renderScript/BasicRenderScript/Application/src/main/res/values/strings.xml
new file mode 100644
index 0000000..556f647
--- /dev/null
+++ b/renderScript/BasicRenderScript/Application/src/main/res/values/strings.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2019 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<resources>
+
+    <string name="app_name">BasicRenderScript</string>
+
+</resources>
diff --git a/renderScript/BasicRenderScript/LICENSE b/renderScript/BasicRenderScript/LICENSE
index 4f22946..d5cf8f3 100644
--- a/renderScript/BasicRenderScript/LICENSE
+++ b/renderScript/BasicRenderScript/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
-     example, because of any applicable exception or limitation to
-     copyright--then that use is not regulated by the license. Our
-     licenses grant only permissions under copyright and certain
-     other rights that a licensor has authority to grant. Use of
-     the licensed material may still be restricted for other
-     reasons, including because others have copyright or other
-     rights in the material. A licensor may make special requests,
-     such as asking that all changes be marked or described.
-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
-
-
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diff --git a/renderScript/BasicRenderScript/README.md b/renderScript/BasicRenderScript/README.md
index cfffdc9..ae319be 100644
--- a/renderScript/BasicRenderScript/README.md
+++ b/renderScript/BasicRenderScript/README.md
@@ -28,8 +28,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -58,7 +58,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.jar b/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.jar
index 5838598..94336fc 100644
--- a/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.jar
+++ b/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.properties b/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.properties
index 3aae9a0..ae45383 100644
--- a/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.properties
+++ b/renderScript/BasicRenderScript/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Jan 30 14:48:26 PST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/renderScript/BasicRenderScript/gradlew b/renderScript/BasicRenderScript/gradlew
index 91a7e26..cccdd3d 100755
--- a/renderScript/BasicRenderScript/gradlew
+++ b/renderScript/BasicRenderScript/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/renderScript/BasicRenderScript/gradlew.bat b/renderScript/BasicRenderScript/gradlew.bat
index aec9973..e95643d 100644
--- a/renderScript/BasicRenderScript/gradlew.bat
+++ b/renderScript/BasicRenderScript/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/renderScript/BasicRenderScript/template-params.xml b/renderScript/BasicRenderScript/template-params.xml
index 728b96a..ee58020 100644
--- a/renderScript/BasicRenderScript/template-params.xml
+++ b/renderScript/BasicRenderScript/template-params.xml
@@ -23,9 +23,7 @@
     <package>com.example.android.basicrenderscript</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>8</minSdk>
-
-    <dependency_external>'renderscript-v8.jar'</dependency_external>
+    <minSdk>14</minSdk>
 
     <defaultConfig>
             renderscriptTargetApi 24
diff --git a/renderScript/RenderScriptIntrinsic/LICENSE b/renderScript/RenderScriptIntrinsic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/renderScript/RenderScriptIntrinsic/LICENSE
+++ b/renderScript/RenderScriptIntrinsic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
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diff --git a/renderScript/RenderScriptIntrinsic/README.md b/renderScript/RenderScriptIntrinsic/README.md
index d891926..e085311 100644
--- a/renderScript/RenderScriptIntrinsic/README.md
+++ b/renderScript/RenderScriptIntrinsic/README.md
@@ -37,8 +37,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -67,7 +67,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.jar b/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.jar
index 5838598..94336fc 100644
--- a/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.jar
+++ b/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.properties b/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.properties
index d624516..ae45383 100644
--- a/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.properties
+++ b/renderScript/RenderScriptIntrinsic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Jan 30 18:12:33 PST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/renderScript/RenderScriptIntrinsic/gradlew b/renderScript/RenderScriptIntrinsic/gradlew
index 91a7e26..cccdd3d 100755
--- a/renderScript/RenderScriptIntrinsic/gradlew
+++ b/renderScript/RenderScriptIntrinsic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/renderScript/RenderScriptIntrinsic/gradlew.bat b/renderScript/RenderScriptIntrinsic/gradlew.bat
index aec9973..e95643d 100644
--- a/renderScript/RenderScriptIntrinsic/gradlew.bat
+++ b/renderScript/RenderScriptIntrinsic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/renderScript/RenderScriptIntrinsic/template-params.xml b/renderScript/RenderScriptIntrinsic/template-params.xml
index 0a63cdb..57d0c6b 100644
--- a/renderScript/RenderScriptIntrinsic/template-params.xml
+++ b/renderScript/RenderScriptIntrinsic/template-params.xml
@@ -22,8 +22,6 @@
 
     <minSdk>14</minSdk>
 
-    <dependency_external>'renderscript-v8.jar'</dependency_external>
-
     <defaultConfig>
         renderscriptTargetApi 24
         renderscriptSupportModeEnabled true
diff --git a/security/AsymmetricFingerprintDialog/Application/src/main/java/com/example/android/asymmetricfingerprintdialog/FingerprintUiHelper.java b/security/AsymmetricFingerprintDialog/Application/src/main/java/com/example/android/asymmetricfingerprintdialog/FingerprintUiHelper.java
index dee4270..847bec8 100644
--- a/security/AsymmetricFingerprintDialog/Application/src/main/java/com/example/android/asymmetricfingerprintdialog/FingerprintUiHelper.java
+++ b/security/AsymmetricFingerprintDialog/Application/src/main/java/com/example/android/asymmetricfingerprintdialog/FingerprintUiHelper.java
@@ -16,10 +16,9 @@
 
 package com.example.android.asymmetricfingerprintdialog;
 
-import com.google.common.annotations.VisibleForTesting;
-
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.CancellationSignal;
+import android.support.annotation.VisibleForTesting;
 import android.widget.ImageView;
 import android.widget.TextView;
 
diff --git a/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.jar b/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.jar
+++ b/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.properties b/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.properties
index 8806b78..ae45383 100644
--- a/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.properties
+++ b/security/AsymmetricFingerprintDialog/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Oct 15 14:12:11 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/security/AsymmetricFingerprintDialog/gradlew b/security/AsymmetricFingerprintDialog/gradlew
index 91a7e26..cccdd3d 100755
--- a/security/AsymmetricFingerprintDialog/gradlew
+++ b/security/AsymmetricFingerprintDialog/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/security/AsymmetricFingerprintDialog/gradlew.bat b/security/AsymmetricFingerprintDialog/gradlew.bat
index aec9973..e95643d 100644
--- a/security/AsymmetricFingerprintDialog/gradlew.bat
+++ b/security/AsymmetricFingerprintDialog/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/security/AsymmetricFingerprintDialog/template-params.xml b/security/AsymmetricFingerprintDialog/template-params.xml
index 9d98f2d..6fd7dbf 100644
--- a/security/AsymmetricFingerprintDialog/template-params.xml
+++ b/security/AsymmetricFingerprintDialog/template-params.xml
@@ -27,7 +27,7 @@
     <minSdk>23</minSdk>
 
     <dependency>com.squareup.dagger:dagger:1.2.2</dependency>
-    <dependency>com.squareup.dagger:dagger-compiler:1.2.2</dependency>
+    <annotationProcessor>com.squareup.dagger:dagger-compiler:1.2.2</annotationProcessor>
 
     <!-- TODO(thagikura) These dependencies should be created as testCompile instead of compile but
          the template system doesn't allow androidTestCompile dependencies. Change it once fixed.
diff --git a/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.jar b/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.jar
+++ b/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.properties b/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.properties
+++ b/security/ConfirmCredential/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/security/ConfirmCredential/gradlew b/security/ConfirmCredential/gradlew
index 91a7e26..cccdd3d 100755
--- a/security/ConfirmCredential/gradlew
+++ b/security/ConfirmCredential/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/security/ConfirmCredential/gradlew.bat b/security/ConfirmCredential/gradlew.bat
index aec9973..e95643d 100644
--- a/security/ConfirmCredential/gradlew.bat
+++ b/security/ConfirmCredential/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/security/DirectBoot/gradle/wrapper/gradle-wrapper.jar b/security/DirectBoot/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/security/DirectBoot/gradle/wrapper/gradle-wrapper.jar
+++ b/security/DirectBoot/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/security/DirectBoot/gradle/wrapper/gradle-wrapper.properties b/security/DirectBoot/gradle/wrapper/gradle-wrapper.properties
index e62c525..ae45383 100644
--- a/security/DirectBoot/gradle/wrapper/gradle-wrapper.properties
+++ b/security/DirectBoot/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Feb 08 18:26:13 JST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/security/DirectBoot/gradlew b/security/DirectBoot/gradlew
index 91a7e26..cccdd3d 100755
--- a/security/DirectBoot/gradlew
+++ b/security/DirectBoot/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/security/DirectBoot/gradlew.bat b/security/DirectBoot/gradlew.bat
index aec9973..e95643d 100644
--- a/security/DirectBoot/gradlew.bat
+++ b/security/DirectBoot/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/security/DirectBoot/template-params.xml b/security/DirectBoot/template-params.xml
index a9aa69d..f54e932 100644
--- a/security/DirectBoot/template-params.xml
+++ b/security/DirectBoot/template-params.xml
@@ -22,13 +22,11 @@
     <package>com.example.android.directboot</package>
 
     <minSdk>24</minSdk>
-    <compileSdkVersion>25</compileSdkVersion>
-    <targetSdkVersion>25</targetSdkVersion>
 
     <!-- Include additional dependencies here.-->
     <!-- dependency>com.google.android.gms:play-services:5.0.+</dependency -->
-    <dependency>com.android.support:recyclerview-v7:25.0.1</dependency>
-    <dependency>com.android.support:design:25.0.1</dependency>
+    <dependency>com.android.support:recyclerview-v7:28.0.0</dependency>
+    <dependency>com.android.support:design:28.0.0</dependency>
 
     <template src="base" />
 
diff --git a/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.jar b/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.jar
+++ b/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.properties b/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.properties
index 3ed54ce..ae45383 100644
--- a/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.properties
+++ b/security/FingerprintDialog/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Apr 27 11:28:32 JST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/security/FingerprintDialog/gradlew b/security/FingerprintDialog/gradlew
index 91a7e26..cccdd3d 100755
--- a/security/FingerprintDialog/gradlew
+++ b/security/FingerprintDialog/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/security/FingerprintDialog/gradlew.bat b/security/FingerprintDialog/gradlew.bat
index aec9973..e95643d 100644
--- a/security/FingerprintDialog/gradlew.bat
+++ b/security/FingerprintDialog/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/security/FingerprintDialog/kotlinApp/app/build.gradle b/security/FingerprintDialog/kotlinApp/app/build.gradle
index 58bfe13..4b678c5 100644
--- a/security/FingerprintDialog/kotlinApp/app/build.gradle
+++ b/security/FingerprintDialog/kotlinApp/app/build.gradle
@@ -21,5 +21,5 @@
 
 dependencies {
     implementation "com.android.support:appcompat-v7:27.0.0"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
-}
\ No newline at end of file
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}
diff --git a/security/FingerprintDialog/kotlinApp/build.gradle b/security/FingerprintDialog/kotlinApp/build.gradle
index ccd6eb2..6919788 100644
--- a/security/FingerprintDialog/kotlinApp/build.gradle
+++ b/security/FingerprintDialog/kotlinApp/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-  ext.kotlin_version = '1.1.60'
+  ext.kotlin_version = '1.3.11'
   repositories {
     google()
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:3.0.0'
+    classpath 'com.android.tools.build:gradle:3.3.0'
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
   }
 }
@@ -19,4 +19,4 @@
 
 task clean(type: Delete) {
   delete rootProject.buildDir
-}
\ No newline at end of file
+}
diff --git a/security/FingerprintDialog/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/security/FingerprintDialog/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 34d5100..f941550 100644
--- a/security/FingerprintDialog/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/security/FingerprintDialog/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Oct 16 16:01:34 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/security/FingerprintDialog/template-params.xml b/security/FingerprintDialog/template-params.xml
index 7f98444..72e487e 100644
--- a/security/FingerprintDialog/template-params.xml
+++ b/security/FingerprintDialog/template-params.xml
@@ -25,8 +25,6 @@
     <package>com.example.android.fingerprintdialog</package>
 
     <minSdk>23</minSdk>
-    <targetSdkVersion>26</targetSdkVersion>
-    <compileSdkVersion>26</compileSdkVersion>
 
     <strings>
         <intro>
diff --git a/security/keystore/BasicAndroidKeyStore/LICENSE b/security/keystore/BasicAndroidKeyStore/LICENSE
index 4f22946..d5cf8f3 100644
--- a/security/keystore/BasicAndroidKeyStore/LICENSE
+++ b/security/keystore/BasicAndroidKeyStore/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
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-
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diff --git a/security/keystore/BasicAndroidKeyStore/README.md b/security/keystore/BasicAndroidKeyStore/README.md
index 0d18552..8b05ca9 100644
--- a/security/keystore/BasicAndroidKeyStore/README.md
+++ b/security/keystore/BasicAndroidKeyStore/README.md
@@ -13,18 +13,25 @@
 A [KeyPair][2] consisting of a [PrivateKey][3] and a [PublicKey][4] is being generated.
 The private key then is being used to sign and verify a String.
 
+Below Android M, this sample uses a [KeyPairGeneratorSpec][5] to generate a key pair.
+On newer versions of Android, a [KeyGenParameterSpec][6] generates a key pair with
+additional restrictions and properties.
+
+
 Next to that appropriate exception handling for potential errors is being displayed.
 
 [1]: https://developer.android.com/reference/java/security/KeyStore.html
 [2]: https://developer.android.com/reference/java/security/KeyPair.html
 [3]: https://developer.android.com/reference/java/security/PrivateKey.html
 [4]: https://developer.android.com/reference/java/security/PublicKey.html
+[5]: https://developer.android.com/reference/android/security/KeyPairGeneratorSpec.html
+[6]: https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.html
 
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -53,7 +60,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.jar b/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.jar
+++ b/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.properties b/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.properties
+++ b/security/keystore/BasicAndroidKeyStore/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/security/keystore/BasicAndroidKeyStore/gradlew b/security/keystore/BasicAndroidKeyStore/gradlew
index 91a7e26..cccdd3d 100755
--- a/security/keystore/BasicAndroidKeyStore/gradlew
+++ b/security/keystore/BasicAndroidKeyStore/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/security/keystore/BasicAndroidKeyStore/gradlew.bat b/security/keystore/BasicAndroidKeyStore/gradlew.bat
index aec9973..e95643d 100644
--- a/security/keystore/BasicAndroidKeyStore/gradlew.bat
+++ b/security/keystore/BasicAndroidKeyStore/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/sensors/BatchStepSensor/LICENSE b/sensors/BatchStepSensor/LICENSE
index 4f22946..d5cf8f3 100644
--- a/sensors/BatchStepSensor/LICENSE
+++ b/sensors/BatchStepSensor/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
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-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/sensors/BatchStepSensor/README.md b/sensors/BatchStepSensor/README.md
index 7304957..0a3141f 100644
--- a/sensors/BatchStepSensor/README.md
+++ b/sensors/BatchStepSensor/README.md
@@ -31,8 +31,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -61,7 +61,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.jar b/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.jar
+++ b/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.properties b/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.properties
+++ b/sensors/BatchStepSensor/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/sensors/BatchStepSensor/gradlew b/sensors/BatchStepSensor/gradlew
index 91a7e26..cccdd3d 100755
--- a/sensors/BatchStepSensor/gradlew
+++ b/sensors/BatchStepSensor/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/sensors/BatchStepSensor/gradlew.bat b/sensors/BatchStepSensor/gradlew.bat
index aec9973..e95643d 100644
--- a/sensors/BatchStepSensor/gradlew.bat
+++ b/sensors/BatchStepSensor/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/system/AppShortcuts/app/build.gradle b/system/AppShortcuts/app/build.gradle
index 68dc6a7..26ebd8e 100644
--- a/system/AppShortcuts/app/build.gradle
+++ b/system/AppShortcuts/app/build.gradle
@@ -1,16 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    compileSdkVersion 28
 
     defaultConfig {
         applicationId "com.example.android.shortcutsample"
         minSdkVersion 25
-        targetSdkVersion 25
-        jackOptions {
-            enabled true
-        }
+        targetSdkVersion 28
     }
 
     compileOptions {
diff --git a/system/AppShortcuts/app/src/main/AndroidManifest.xml b/system/AppShortcuts/app/src/main/AndroidManifest.xml
index 183bc84..da4c074 100644
--- a/system/AppShortcuts/app/src/main/AndroidManifest.xml
+++ b/system/AppShortcuts/app/src/main/AndroidManifest.xml
@@ -17,8 +17,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.android.appshortcuts">
 
-    <uses-sdk android:minSdkVersion="25" />
-
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
diff --git a/system/AppShortcuts/build.gradle b/system/AppShortcuts/build.gradle
index ef4eaec..0db2b02 100644
--- a/system/AppShortcuts/build.gradle
+++ b/system/AppShortcuts/build.gradle
@@ -1,15 +1,17 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
diff --git a/system/AppShortcuts/gradle/wrapper/gradle-wrapper.properties b/system/AppShortcuts/gradle/wrapper/gradle-wrapper.properties
index ce4e724..f941550 100644
--- a/system/AppShortcuts/gradle/wrapper/gradle-wrapper.properties
+++ b/system/AppShortcuts/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Oct 17 16:40:13 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.jar b/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.jar
+++ b/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.properties b/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.properties
index bc82616..ae45383 100644
--- a/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.properties
+++ b/system/AppUsageStatistics/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sun Dec 07 22:52:45 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/system/AppUsageStatistics/gradlew b/system/AppUsageStatistics/gradlew
index 91a7e26..cccdd3d 100755
--- a/system/AppUsageStatistics/gradlew
+++ b/system/AppUsageStatistics/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/system/AppUsageStatistics/gradlew.bat b/system/AppUsageStatistics/gradlew.bat
index aec9973..e95643d 100644
--- a/system/AppUsageStatistics/gradlew.bat
+++ b/system/AppUsageStatistics/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/system/RuntimePermissions/Application/src/main/res/drawable/tile.9.png b/system/RuntimePermissions/Application/src/main/res/drawable/tile.9.png
new file mode 100644
index 0000000..1358628
--- /dev/null
+++ b/system/RuntimePermissions/Application/src/main/res/drawable/tile.9.png
Binary files differ
diff --git a/system/RuntimePermissions/build.gradle b/system/RuntimePermissions/build.gradle
index 24e4228..518df81 100644
--- a/system/RuntimePermissions/build.gradle
+++ b/system/RuntimePermissions/build.gradle
@@ -1,17 +1,18 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
   repositories {
+	  google()
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:3.0.0'
+    classpath 'com.android.tools.build:gradle:3.3.0'
   }
 }
 
 allprojects {
   repositories {
-    jcenter()
     google()
+    jcenter()
   }
 }
 
diff --git a/system/RuntimePermissions/gradle/wrapper/gradle-wrapper.properties b/system/RuntimePermissions/gradle/wrapper/gradle-wrapper.properties
index bc82616..f941550 100644
--- a/system/RuntimePermissions/gradle/wrapper/gradle-wrapper.properties
+++ b/system/RuntimePermissions/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sun Dec 07 22:52:45 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/system/RuntimePermissions/kotlinApp/app/build.gradle b/system/RuntimePermissions/kotlinApp/app/build.gradle
index d9fa949..fb40023 100644
--- a/system/RuntimePermissions/kotlinApp/app/build.gradle
+++ b/system/RuntimePermissions/kotlinApp/app/build.gradle
@@ -30,7 +30,7 @@
     compile "com.android.support:appcompat-v7:26.0.0"
     compile 'com.android.support:design:26.0.0'
     testCompile 'junit:junit:4.12'
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 repositories {
     mavenCentral()
diff --git a/system/RuntimePermissions/kotlinApp/build.gradle b/system/RuntimePermissions/kotlinApp/build.gradle
index d4a2bf7..32fe5e5 100644
--- a/system/RuntimePermissions/kotlinApp/build.gradle
+++ b/system/RuntimePermissions/kotlinApp/build.gradle
@@ -1,20 +1,21 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.1.4'
+    ext.kotlin_version = '1.3.11'
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/system/RuntimePermissions/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/system/RuntimePermissions/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 46b169c..f941550 100644
--- a/system/RuntimePermissions/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/system/RuntimePermissions/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Aug 16 15:09:26 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/system/RuntimePermissionsBasic/Application/build.gradle b/system/RuntimePermissionsBasic/Application/build.gradle
index 2a23531..ca12da1 100644
--- a/system/RuntimePermissionsBasic/Application/build.gradle
+++ b/system/RuntimePermissionsBasic/Application/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
diff --git a/system/RuntimePermissionsBasic/build.gradle b/system/RuntimePermissionsBasic/build.gradle
index b063483..2d2a798 100644
--- a/system/RuntimePermissionsBasic/build.gradle
+++ b/system/RuntimePermissionsBasic/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
diff --git a/system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.properties b/system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.properties
index 1213f38..f941550 100644
--- a/system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/system/RuntimePermissionsBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sun Dec 07 22:52:45 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/system/RuntimePermissionsBasic/kotlinApp/Application/build.gradle b/system/RuntimePermissionsBasic/kotlinApp/Application/build.gradle
index fb02cef..1cab8b0 100644
--- a/system/RuntimePermissionsBasic/kotlinApp/Application/build.gradle
+++ b/system/RuntimePermissionsBasic/kotlinApp/Application/build.gradle
@@ -2,8 +2,8 @@
 apply plugin: 'kotlin-android'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
diff --git a/system/RuntimePermissionsBasic/kotlinApp/build.gradle b/system/RuntimePermissionsBasic/kotlinApp/build.gradle
index 2062e14..8298529 100644
--- a/system/RuntimePermissionsBasic/kotlinApp/build.gradle
+++ b/system/RuntimePermissionsBasic/kotlinApp/build.gradle
@@ -1,13 +1,13 @@
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.3.11'
     repositories {
-        jcenter()
-        mavenCentral()
         google()
+        mavenCentral()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/system/RuntimePermissionsBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/system/RuntimePermissionsBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index fcae5ca..f941550 100644
--- a/system/RuntimePermissionsBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/system/RuntimePermissionsBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sun Dec 07 22:52:45 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
\ No newline at end of file
diff --git a/testing/ActivityInstrumentation/LICENSE b/testing/ActivityInstrumentation/LICENSE
index 4f22946..d5cf8f3 100644
--- a/testing/ActivityInstrumentation/LICENSE
+++ b/testing/ActivityInstrumentation/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
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-----------------
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-
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-
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diff --git a/testing/ActivityInstrumentation/README.md b/testing/ActivityInstrumentation/README.md
index 9e49674..e85b717 100644
--- a/testing/ActivityInstrumentation/README.md
+++ b/testing/ActivityInstrumentation/README.md
@@ -8,8 +8,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -33,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.jar b/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.jar
+++ b/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.properties b/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.properties
+++ b/testing/ActivityInstrumentation/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/testing/ActivityInstrumentation/gradlew b/testing/ActivityInstrumentation/gradlew
index 91a7e26..cccdd3d 100755
--- a/testing/ActivityInstrumentation/gradlew
+++ b/testing/ActivityInstrumentation/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/testing/ActivityInstrumentation/gradlew.bat b/testing/ActivityInstrumentation/gradlew.bat
index aec9973..e95643d 100644
--- a/testing/ActivityInstrumentation/gradlew.bat
+++ b/testing/ActivityInstrumentation/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/testing/ActivityInstrumentation/template-params.xml b/testing/ActivityInstrumentation/template-params.xml
index 1e248d5..8c8dc0f 100644
--- a/testing/ActivityInstrumentation/template-params.xml
+++ b/testing/ActivityInstrumentation/template-params.xml
@@ -21,7 +21,7 @@
 
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/ui/DrawableTinting/LICENSE b/ui/DrawableTinting/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/DrawableTinting/LICENSE
+++ b/ui/DrawableTinting/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/ui/DrawableTinting/README.md b/ui/DrawableTinting/README.md
index 671b384..0467596 100644
--- a/ui/DrawableTinting/README.md
+++ b/ui/DrawableTinting/README.md
@@ -16,8 +16,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -41,7 +41,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.jar b/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.properties b/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/DrawableTinting/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/DrawableTinting/gradlew b/ui/DrawableTinting/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/DrawableTinting/gradlew
+++ b/ui/DrawableTinting/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/DrawableTinting/gradlew.bat b/ui/DrawableTinting/gradlew.bat
index 8a0b282..e95643d 100644
--- a/ui/DrawableTinting/gradlew.bat
+++ b/ui/DrawableTinting/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/ui/Interpolator/LICENSE b/ui/Interpolator/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/Interpolator/LICENSE
+++ b/ui/Interpolator/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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-terms and conditions, or any related information. Creative Commons
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-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
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-     Licensors should also secure all rights necessary before
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-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
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-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
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-=======================================================================
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-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
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-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
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-  b. Adapter's License means the license You apply to Your Copyright
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-  c. BY-NC-SA Compatible License means a license listed at
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-  e. Effective Technological Measures means those measures that, in the
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-     equivalent rights anywhere in the world.
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-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
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-          6(a).
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-               under the conditions of the Adapter's License You apply.
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-          Adapter's License You apply. You may satisfy this condition
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-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
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-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
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-
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-     possible, most closely approximates an absolute disclaimer and
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-
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-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/ui/Interpolator/README.md b/ui/Interpolator/README.md
index 04b70fd..3f8351d 100644
--- a/ui/Interpolator/README.md
+++ b/ui/Interpolator/README.md
@@ -23,15 +23,14 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
 -------------
 
-<img src="screenshots/before.png" height="400" alt="Screenshot"/>
-<img src="screenshots/after.png" height="400" alt="Screenshot"/>
+<img src="screenshots/before.png" height="400" alt="Screenshot"/> <img src="screenshots/after.png" height="400" alt="Screenshot"/> 
 
 Getting Started
 ---------------
@@ -46,7 +45,7 @@
 - Stack Overflow: http://stackoverflow.com/questions/tagged/android
 
 If you've found an error in this sample, please file an issue:
-https://github.com/googlesamples/android-interpolator
+https://github.com/googlesamples/android-Interpolator
 
 Patches are encouraged, and may be submitted by forking this project and
 submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
@@ -54,7 +53,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/Interpolator/gradle/wrapper/gradle-wrapper.jar b/ui/Interpolator/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/Interpolator/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/Interpolator/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/Interpolator/gradle/wrapper/gradle-wrapper.properties b/ui/Interpolator/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/Interpolator/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/Interpolator/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/Interpolator/gradlew b/ui/Interpolator/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/Interpolator/gradlew
+++ b/ui/Interpolator/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/Interpolator/gradlew.bat b/ui/Interpolator/gradlew.bat
index 8a0b282..e95643d 100644
--- a/ui/Interpolator/gradlew.bat
+++ b/ui/Interpolator/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/ui/accessibility/BasicAccessibility/LICENSE b/ui/accessibility/BasicAccessibility/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/accessibility/BasicAccessibility/LICENSE
+++ b/ui/accessibility/BasicAccessibility/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
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-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
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diff --git a/ui/accessibility/BasicAccessibility/README.md b/ui/accessibility/BasicAccessibility/README.md
index 5b849a3..a7ac2c3 100644
--- a/ui/accessibility/BasicAccessibility/README.md
+++ b/ui/accessibility/BasicAccessibility/README.md
@@ -20,8 +20,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -50,7 +50,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.jar b/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.properties b/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/accessibility/BasicAccessibility/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/accessibility/BasicAccessibility/gradlew b/ui/accessibility/BasicAccessibility/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/accessibility/BasicAccessibility/gradlew
+++ b/ui/accessibility/BasicAccessibility/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/accessibility/BasicAccessibility/gradlew.bat b/ui/accessibility/BasicAccessibility/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/accessibility/BasicAccessibility/gradlew.bat
+++ b/ui/accessibility/BasicAccessibility/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/accessibility/BasicAccessibility/template-params.xml b/ui/accessibility/BasicAccessibility/template-params.xml
index 56b36eb..dde0163 100644
--- a/ui/accessibility/BasicAccessibility/template-params.xml
+++ b/ui/accessibility/BasicAccessibility/template-params.xml
@@ -21,7 +21,7 @@
 
 
     <!-- change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/actionbar/DoneBar/LICENSE b/ui/actionbar/DoneBar/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/actionbar/DoneBar/LICENSE
+++ b/ui/actionbar/DoneBar/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
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-
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diff --git a/ui/actionbar/DoneBar/README.md b/ui/actionbar/DoneBar/README.md
index 3e635c3..5072cc3 100644
--- a/ui/actionbar/DoneBar/README.md
+++ b/ui/actionbar/DoneBar/README.md
@@ -31,8 +31,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -61,7 +61,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.jar b/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.properties b/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/actionbar/DoneBar/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/actionbar/DoneBar/gradlew b/ui/actionbar/DoneBar/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/actionbar/DoneBar/gradlew
+++ b/ui/actionbar/DoneBar/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/actionbar/DoneBar/gradlew.bat b/ui/actionbar/DoneBar/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/actionbar/DoneBar/gradlew.bat
+++ b/ui/actionbar/DoneBar/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/LICENSE b/ui/actionbarcompat/ActionBarCompat-Basic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/LICENSE
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/README.md b/ui/actionbarcompat/ActionBarCompat-Basic/README.md
index e98edbb..9bce569 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/README.md
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/README.md
@@ -35,8 +35,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -65,7 +65,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.jar b/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.properties b/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/gradlew b/ui/actionbarcompat/ActionBarCompat-Basic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/actionbarcompat/ActionBarCompat-Basic/gradlew
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/gradlew.bat b/ui/actionbarcompat/ActionBarCompat-Basic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/gradlew.bat
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/actionbarcompat/ActionBarCompat-Basic/template-params.xml b/ui/actionbarcompat/ActionBarCompat-Basic/template-params.xml
index 80f6569..b6a0832 100644
--- a/ui/actionbarcompat/ActionBarCompat-Basic/template-params.xml
+++ b/ui/actionbarcompat/ActionBarCompat-Basic/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.actionbarcompat.basic</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/LICENSE b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/LICENSE
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
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diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/README.md b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/README.md
index c5357bf..f69c553 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/README.md
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/README.md
@@ -17,8 +17,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -47,7 +47,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.jar b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.properties b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew.bat b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew.bat
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/template-params.xml b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/template-params.xml
index 930a293..6a74d3c 100644
--- a/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/template-params.xml
+++ b/ui/actionbarcompat/ActionBarCompat-ListPopupMenu/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.actionbarcompat.listpopupmenu</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/LICENSE b/ui/actionbarcompat/ActionBarCompat-Styled/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/LICENSE
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/README.md b/ui/actionbarcompat/ActionBarCompat-Styled/README.md
index 3aa3180..3dd6956 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/README.md
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/README.md
@@ -23,8 +23,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -53,7 +53,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.jar b/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.properties b/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/gradlew b/ui/actionbarcompat/ActionBarCompat-Styled/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/actionbarcompat/ActionBarCompat-Styled/gradlew
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/gradlew.bat b/ui/actionbarcompat/ActionBarCompat-Styled/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/gradlew.bat
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/actionbarcompat/ActionBarCompat-Styled/template-params.xml b/ui/actionbarcompat/ActionBarCompat-Styled/template-params.xml
index f6e7222..2815325 100644
--- a/ui/actionbarcompat/ActionBarCompat-Styled/template-params.xml
+++ b/ui/actionbarcompat/ActionBarCompat-Styled/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.actionbarcompat.styled</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/LICENSE b/ui/activityscenetransition/ActivitySceneTransitionBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/LICENSE
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
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diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/README.md b/ui/activityscenetransition/ActivitySceneTransitionBasic/README.md
index 90dba48..4b6455a 100644
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/README.md
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/README.md
@@ -19,8 +19,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -49,7 +49,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.jar b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.properties b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.properties
index cf959fc..ae45383 100644
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Jun 13 16:21:29 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew.bat b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew.bat
index 8a0b282..e95643d 100644
--- a/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew.bat
+++ b/ui/activityscenetransition/ActivitySceneTransitionBasic/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/ui/activitytasks/DocumentCentricApps/LICENSE b/ui/activitytasks/DocumentCentricApps/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/activitytasks/DocumentCentricApps/LICENSE
+++ b/ui/activitytasks/DocumentCentricApps/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
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-	wiki.creativecommons.org/Considerations_for_licensees
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-     the Council of 11 March 1996 on the legal protection of databases,
-     as amended and/or succeeded, as well as other essentially
-     equivalent rights anywhere in the world.
-
-  n. You means the individual or entity exercising the Licensed Rights
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-
-
-Section 2 -- Scope.
-
-  a. License grant.
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-       1. Subject to the terms and conditions of this Public License,
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-          non-sublicensable, non-exclusive, irrevocable license to
-          exercise the Licensed Rights in the Licensed Material to:
-
-            a. reproduce and Share the Licensed Material, in whole or
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-
-            b. produce, reproduce, and Share Adapted Material for
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-
-       2. Exceptions and Limitations. For the avoidance of doubt, where
-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
-
-       3. Term. The term of this Public License is specified in Section
-          6(a).
-
-       4. Media and formats; technical modifications allowed. The
-          Licensor authorizes You to exercise the Licensed Rights in
-          all media and formats whether now known or hereafter created,
-          and to make technical modifications necessary to do so. The
-          Licensor waives and/or agrees not to assert any right or
-          authority to forbid You from making technical modifications
-          necessary to exercise the Licensed Rights, including
-          technical modifications necessary to circumvent Effective
-          Technological Measures. For purposes of this Public License,
-          simply making modifications authorized by this Section 2(a)
-          (4) never produces Adapted Material.
-
-       5. Downstream recipients.
-
-            a. Offer from the Licensor -- Licensed Material. Every
-               recipient of the Licensed Material automatically
-               receives an offer from the Licensor to exercise the
-               Licensed Rights under the terms and conditions of this
-               Public License.
-
-            b. Additional offer from the Licensor -- Adapted Material.
-               Every recipient of Adapted Material from You
-               automatically receives an offer from the Licensor to
-               exercise the Licensed Rights in the Adapted Material
-               under the conditions of the Adapter's License You apply.
-
-            c. No downstream restrictions. You may not offer or impose
-               any additional or different terms or conditions on, or
-               apply any Effective Technological Measures to, the
-               Licensed Material if doing so restricts exercise of the
-               Licensed Rights by any recipient of the Licensed
-               Material.
-
-       6. No endorsement. Nothing in this Public License constitutes or
-          may be construed as permission to assert or imply that You
-          are, or that Your use of the Licensed Material is, connected
-          with, or sponsored, endorsed, or granted official status by,
-          the Licensor or others designated to receive attribution as
-          provided in Section 3(a)(1)(A)(i).
-
-  b. Other rights.
-
-       1. Moral rights, such as the right of integrity, are not
-          licensed under this Public License, nor are publicity,
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-          assert any such rights held by the Licensor to the limited
-          extent necessary to allow You to exercise the Licensed
-          Rights, but not otherwise.
-
-       2. Patent and trademark rights are not licensed under this
-          Public License.
-
-       3. To the extent possible, the Licensor waives any right to
-          collect royalties from You for the exercise of the Licensed
-          Rights, whether directly or through a collecting society
-          under any voluntary or waivable statutory or compulsory
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-          the Licensed Material is used other than for NonCommercial
-          purposes.
-
-
-Section 3 -- License Conditions.
-
-Your exercise of the Licensed Rights is expressly made subject to the
-following conditions.
-
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-
-       1. If You Share the Licensed Material (including in modified
-          form), You must:
-
-            a. retain the following if it is supplied by the Licensor
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-                    attribution, in any reasonable manner requested by
-                    the Licensor (including by pseudonym if
-                    designated);
-
-                ii. a copyright notice;
-
-               iii. a notice that refers to this Public License;
-
-                iv. a notice that refers to the disclaimer of
-                    warranties;
-
-                 v. a URI or hyperlink to the Licensed Material to the
-                    extent reasonably practicable;
-
-            b. indicate if You modified the Licensed Material and
-               retain an indication of any previous modifications; and
-
-            c. indicate the Licensed Material is licensed under this
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-
-       2. You may satisfy the conditions in Section 3(a)(1) in any
-          reasonable manner based on the medium, means, and context in
-          which You Share the Licensed Material. For example, it may be
-          reasonable to satisfy the conditions by providing a URI or
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-          information.
-       3. If requested by the Licensor, You must remove any of the
-          information required by Section 3(a)(1)(A) to the extent
-          reasonably practicable.
-
-  b. ShareAlike.
-
-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
-
-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
-
-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
-
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-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
-
-  b. if You include all or a substantial portion of the database
-     contents in a database in which You have Sui Generis Database
-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
-
-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.jar b/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.properties b/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/activitytasks/DocumentCentricApps/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/activitytasks/DocumentCentricApps/gradlew b/ui/activitytasks/DocumentCentricApps/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/activitytasks/DocumentCentricApps/gradlew
+++ b/ui/activitytasks/DocumentCentricApps/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/activitytasks/DocumentCentricApps/gradlew.bat b/ui/activitytasks/DocumentCentricApps/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/activitytasks/DocumentCentricApps/gradlew.bat
+++ b/ui/activitytasks/DocumentCentricApps/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.jar b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.properties b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew
+++ b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew.bat b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew.bat
+++ b/ui/activitytasks/DocumentCentricRelinquishIdentity/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/fonts/DownloadableFonts/build.gradle b/ui/fonts/DownloadableFonts/build.gradle
index 3fa2842..1207402 100644
--- a/ui/fonts/DownloadableFonts/build.gradle
+++ b/ui/fonts/DownloadableFonts/build.gradle
@@ -1,18 +1,18 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/ui/fonts/DownloadableFonts/gradle/wrapper/gradle-wrapper.properties b/ui/fonts/DownloadableFonts/gradle/wrapper/gradle-wrapper.properties
index 716f641..f941550 100644
--- a/ui/fonts/DownloadableFonts/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/fonts/DownloadableFonts/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Aug 09 11:54:51 JST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/ui/fonts/DownloadableFonts/kotlinApp/app/build.gradle b/ui/fonts/DownloadableFonts/kotlinApp/app/build.gradle
index 46db5c9..5333a79 100644
--- a/ui/fonts/DownloadableFonts/kotlinApp/app/build.gradle
+++ b/ui/fonts/DownloadableFonts/kotlinApp/app/build.gradle
@@ -33,6 +33,6 @@
     mavenCentral()
 }
 dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 
diff --git a/ui/fonts/DownloadableFonts/kotlinApp/build.gradle b/ui/fonts/DownloadableFonts/kotlinApp/build.gradle
index 7b7482b..c494a46 100644
--- a/ui/fonts/DownloadableFonts/kotlinApp/build.gradle
+++ b/ui/fonts/DownloadableFonts/kotlinApp/build.gradle
@@ -1,20 +1,20 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = '1.1.3-2'
+    ext.kotlin_version = '1.3.11'
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/ui/fonts/DownloadableFonts/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/fonts/DownloadableFonts/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 9eaab7c..f941550 100644
--- a/ui/fonts/DownloadableFonts/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/fonts/DownloadableFonts/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 10 17:45:17 JST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions-snapshots/gradle-4.0-20170406000015+0000-all.zip
diff --git a/ui/graphics/DisplayingBitmaps/LICENSE b/ui/graphics/DisplayingBitmaps/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/graphics/DisplayingBitmaps/LICENSE
+++ b/ui/graphics/DisplayingBitmaps/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
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-     Licensors should also secure all rights necessary before
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-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
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-
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-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
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-     Although not required by our licenses, you are encouraged to
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-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
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-     Adapted Material is always produced where the Licensed Material is
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-  c. BY-NC-SA Compatible License means a license listed at
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-     Commons as essentially the equivalent of this Public License.
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-     closely related to copyright including, without limitation,
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-
-  e. Effective Technological Measures means those measures that, in the
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-          Exceptions and Limitations apply to Your use, this Public
-          License does not apply, and You do not need to comply with
-          its terms and conditions.
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-          technical modifications necessary to circumvent Effective
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-          simply making modifications authorized by this Section 2(a)
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-               Licensed Rights under the terms and conditions of this
-               Public License.
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-               automatically receives an offer from the Licensor to
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-               under the conditions of the Adapter's License You apply.
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-          provided in Section 3(a)(1)(A)(i).
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-  b. Other rights.
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-       1. Moral rights, such as the right of integrity, are not
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-          the extent possible, the Licensor waives and/or agrees not to
-          assert any such rights held by the Licensor to the limited
-          extent necessary to allow You to exercise the Licensed
-          Rights, but not otherwise.
-
-       2. Patent and trademark rights are not licensed under this
-          Public License.
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-       3. To the extent possible, the Licensor waives any right to
-          collect royalties from You for the exercise of the Licensed
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-          purposes.
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-Your exercise of the Licensed Rights is expressly made subject to the
-following conditions.
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-
-       1. If You Share the Licensed Material (including in modified
-          form), You must:
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-                ii. a copyright notice;
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-                    warranties;
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-                    extent reasonably practicable;
-
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-               retain an indication of any previous modifications; and
-
-            c. indicate the Licensed Material is licensed under this
-               Public License, and include the text of, or the URI or
-               hyperlink to, this Public License.
-
-       2. You may satisfy the conditions in Section 3(a)(1) in any
-          reasonable manner based on the medium, means, and context in
-          which You Share the Licensed Material. For example, it may be
-          reasonable to satisfy the conditions by providing a URI or
-          hyperlink to a resource that includes the required
-          information.
-       3. If requested by the Licensor, You must remove any of the
-          information required by Section 3(a)(1)(A) to the extent
-          reasonably practicable.
-
-  b. ShareAlike.
-
-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
-
-       1. The Adapter's License You apply must be a Creative Commons
-          license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
-
-       2. You must include the text of, or the URI or hyperlink to, the
-          Adapter's License You apply. You may satisfy this condition
-          in any reasonable manner based on the medium, means, and
-          context in which You Share Adapted Material.
-
-       3. You may not offer or impose any additional or different terms
-          or conditions on, or apply any Effective Technological
-          Measures to, Adapted Material that restrict exercise of the
-          rights granted under the Adapter's License You apply.
-
-
-Section 4 -- Sui Generis Database Rights.
-
-Where the Licensed Rights include Sui Generis Database Rights that
-apply to Your use of the Licensed Material:
-
-  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
-     to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
-
-  b. if You include all or a substantial portion of the database
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-     Rights, then the database in which You have Sui Generis Database
-     Rights (but not its individual contents) is Adapted Material,
-     including for purposes of Section 3(b); and
-
-  c. You must comply with the conditions in Section 3(a) if You Share
-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
-
-
-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
-
-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
-
-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/ui/graphics/DisplayingBitmaps/README.md b/ui/graphics/DisplayingBitmaps/README.md
index f9c0d74..5fbe8dc 100644
--- a/ui/graphics/DisplayingBitmaps/README.md
+++ b/ui/graphics/DisplayingBitmaps/README.md
@@ -20,8 +20,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -50,7 +50,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.jar b/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.properties b/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/graphics/DisplayingBitmaps/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/graphics/DisplayingBitmaps/gradlew b/ui/graphics/DisplayingBitmaps/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/graphics/DisplayingBitmaps/gradlew
+++ b/ui/graphics/DisplayingBitmaps/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/graphics/DisplayingBitmaps/gradlew.bat b/ui/graphics/DisplayingBitmaps/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/graphics/DisplayingBitmaps/gradlew.bat
+++ b/ui/graphics/DisplayingBitmaps/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/graphics/DisplayingBitmaps/template-params.xml b/ui/graphics/DisplayingBitmaps/template-params.xml
index 643e049..0fbde9a 100644
--- a/ui/graphics/DisplayingBitmaps/template-params.xml
+++ b/ui/graphics/DisplayingBitmaps/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.displayingbitmaps</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>9</minSdk>
+    <minSdk>14</minSdk>
     <targetSdkVersion>22</targetSdkVersion>
 
     <strings>
diff --git a/ui/graphics/PdfRendererBasic/Application/.gitignore b/ui/graphics/PdfRendererBasic/Application/.gitignore
deleted file mode 100644
index 6eb878d..0000000
--- a/ui/graphics/PdfRendererBasic/Application/.gitignore
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2013 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-src/template/
-src/common/
-build.gradle
diff --git a/ui/graphics/PdfRendererBasic/Application/build.gradle b/ui/graphics/PdfRendererBasic/Application/build.gradle
new file mode 100644
index 0000000..fa47dfe
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/Application/build.gradle
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+
+    defaultConfig {
+        applicationId 'com.example.android.pdfrendererbasic'
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode 1
+        versionName '1.0'
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    testOptions {
+        unitTests {
+            returnDefaultValues = true
+            includeAndroidResources = true
+        }
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+
+    def lifecycle_version = '2.0.0'
+    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
+    androidTestImplementation "androidx.arch.core:core-testing:$lifecycle_version"
+
+    testImplementation 'com.google.truth:truth:0.42'
+    testImplementation 'androidx.test:core:1.1.0'
+    testImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.ext:truth:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+}
diff --git a/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicTest.java b/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicTest.java
new file mode 100644
index 0000000..105034b
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicTest.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.pdfrendererbasic;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import androidx.fragment.app.Fragment;
+import androidx.test.core.app.ActivityScenario;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.isEnabled;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+import static com.google.common.truth.Truth.assertThat;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.core.AllOf.allOf;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class PdfRendererBasicTest {
+
+    @Test
+    public void integration() {
+        final ActivityScenario<MainActivity> scenario = ActivityScenario.launch(MainActivity.class);
+        scenario.onActivity((activity) -> {
+            final Fragment fragment = activity.getSupportFragmentManager()
+                    .findFragmentById(R.id.container);
+            assertThat(fragment).isInstanceOf(PdfRendererBasicFragment.class);
+        });
+        onView(withId(R.id.image)).check(matches(isDisplayed()));
+        onView(withId(R.id.previous)).check(matches(allOf(isDisplayed(), not(isEnabled()))));
+        onView(withId(R.id.next)).check(matches(allOf(isDisplayed(), isEnabled())));
+        onView(withText("PdfRendererBasic (1/10)")).check(matches(isDisplayed()));
+        onView(withId(R.id.next)).perform(click());
+        onView(withText("PdfRendererBasic (2/10)")).check(matches(isDisplayed()));
+        onView(withId(R.id.previous)).check(matches(allOf(isDisplayed(), isEnabled())));
+        onView(withId(R.id.next)).check(matches(allOf(isDisplayed(), isEnabled())));
+        for (int i = 0; i < 8; i++) {
+            onView(withId(R.id.next)).perform(click());
+        }
+        onView(withText("PdfRendererBasic (10/10)")).check(matches(isDisplayed()));
+        onView(withId(R.id.previous)).check(matches(allOf(isDisplayed(), isEnabled())));
+        onView(withId(R.id.next)).check(matches(allOf(isDisplayed(), not(isEnabled()))));
+    }
+
+}
diff --git a/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.java b/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.java
new file mode 100644
index 0000000..bd1d5d8
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.pdfrendererbasic;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.filters.MediumTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import static com.google.common.truth.Truth.assertThat;
+
+@RunWith(AndroidJUnit4.class)
+@MediumTest
+public class PdfRendererBasicViewModelTest {
+
+    @Rule
+    public final InstantTaskExecutorRule rule = new InstantTaskExecutorRule();
+
+    private PdfRendererBasicViewModel mViewModel = new PdfRendererBasicViewModel(
+            ApplicationProvider.getApplicationContext(), true);
+
+    @Test
+    public void allPages() {
+        assertThat(mViewModel).isNotNull();
+        final PdfRendererBasicViewModel.PageInfo firstInfo = mViewModel.getPageInfo().getValue();
+        assertThat(firstInfo).isNotNull();
+        assertThat(firstInfo.index).isEqualTo(0);
+        assertThat(firstInfo.count).isEqualTo(10);
+        assertThat(mViewModel.getPreviousEnabled().getValue()).isFalse();
+        assertThat(mViewModel.getNextEnabled().getValue()).isTrue();
+        assertThat(mViewModel.getPageBitmap().getValue()).isNotNull();
+        for (int i = 0; i < 9; i++) {
+            mViewModel.showNext();
+        }
+        final PdfRendererBasicViewModel.PageInfo lastInfo = mViewModel.getPageInfo().getValue();
+        assertThat(lastInfo).isNotNull();
+        assertThat(lastInfo.index).isEqualTo(9);
+        assertThat(lastInfo.count).isEqualTo(10);
+        assertThat(mViewModel.getPreviousEnabled().getValue()).isTrue();
+        assertThat(mViewModel.getNextEnabled().getValue()).isFalse();
+        assertThat(mViewModel.getPageBitmap().getValue()).isNotNull();
+    }
+
+}
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/AndroidManifest.xml b/ui/graphics/PdfRendererBasic/Application/src/main/AndroidManifest.xml
index 276c4be..d320d21 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/AndroidManifest.xml
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/AndroidManifest.xml
@@ -14,19 +14,21 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.example.android.pdfrendererbasic">
 
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.android.pdfrendererbasic"
-    android:versionCode="1"
-    android:versionName="1.0">
-
-    <application android:allowBackup="true"
-        android:label="@string/app_name"
+    <application
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
-        android:theme="@style/Theme.PdfRendererBasic">
+        android:label="@string/app_name"
+        android:theme="@style/Theme.PdfRendererBasic"
+        tools:ignore="GoogleAppIndexingWarning">
 
-        <activity android:name=".MainActivity"
-                  android:label="@string/app_name">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -34,5 +36,4 @@
         </activity>
     </application>
 
-
 </manifest>
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.java b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.java
index 25781b7..0a59b7b 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.java
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.java
@@ -16,25 +16,29 @@
 
 package com.example.android.pdfrendererbasic;
 
-import android.app.AlertDialog;
+import android.app.Dialog;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuItem;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.DialogFragment;
+
 public class MainActivity extends AppCompatActivity {
 
-    public static final String FRAGMENT_PDF_RENDERER_BASIC = "pdf_renderer_basic";
+    private static final String FRAGMENT_INFO = "info";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main_real);
+        setContentView(R.layout.main_activity);
         if (savedInstanceState == null) {
             getSupportFragmentManager().beginTransaction()
-                    .add(R.id.container, new PdfRendererBasicFragment(),
-                            FRAGMENT_PDF_RENDERER_BASIC)
-                    .commit();
+                    .add(R.id.container, new PdfRendererBasicFragment())
+                    .commitNow();
         }
     }
 
@@ -48,12 +52,23 @@
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_info:
-                new AlertDialog.Builder(this)
-                        .setMessage(R.string.intro_message)
-                        .setPositiveButton(android.R.string.ok, null)
-                        .show();
+                new InfoDialogFragment().show(getSupportFragmentManager(), FRAGMENT_INFO);
                 return true;
         }
         return super.onOptionsItemSelected(item);
     }
+
+    public static class InfoDialogFragment extends DialogFragment {
+
+        @NonNull
+        @Override
+        public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
+            return new AlertDialog.Builder(requireContext())
+                    .setMessage(R.string.intro_message)
+                    .setPositiveButton(android.R.string.ok, null)
+                    .show();
+        }
+
+    }
+
 }
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.java b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.java
index 98f1694..2a93371 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.java
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.java
@@ -16,235 +16,75 @@
 
 package com.example.android.pdfrendererbasic;
 
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.pdf.PdfRenderer;
+import android.app.Activity;
 import android.os.Bundle;
-import android.os.ParcelFileDescriptor;
-import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.ImageView;
-import android.widget.Toast;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.ViewModelProviders;
 
 /**
- * This fragment has a big {@ImageView} that shows PDF pages, and 2
- * {@link android.widget.Button}s to move between pages. We use a
- * {@link android.graphics.pdf.PdfRenderer} to render PDF pages as
- * {@link android.graphics.Bitmap}s.
+ * This fragment has a big {@link ImageView} that shows PDF pages, and 2
+ * {@link android.widget.Button}s to move between pages.
  */
-public class PdfRendererBasicFragment extends Fragment implements View.OnClickListener {
+public class PdfRendererBasicFragment extends Fragment {
 
-    /**
-     * Key string for saving the state of current page index.
-     */
-    private static final String STATE_CURRENT_PAGE_INDEX = "current_page_index";
+    private PdfRendererBasicViewModel mViewModel;
 
-    /**
-     * The filename of the PDF.
-     */
-    private static final String FILENAME = "sample.pdf";
-
-    /**
-     * File descriptor of the PDF.
-     */
-    private ParcelFileDescriptor mFileDescriptor;
-
-    /**
-     * {@link android.graphics.pdf.PdfRenderer} to render the PDF.
-     */
-    private PdfRenderer mPdfRenderer;
-
-    /**
-     * Page that is currently shown on the screen.
-     */
-    private PdfRenderer.Page mCurrentPage;
-
-    /**
-     * {@link android.widget.ImageView} that shows a PDF page as a {@link android.graphics.Bitmap}
-     */
-    private ImageView mImageView;
-
-    /**
-     * {@link android.widget.Button} to move to the previous page.
-     */
-    private Button mButtonPrevious;
-
-    /**
-     * {@link android.widget.Button} to move to the next page.
-     */
-    private Button mButtonNext;
-
-    /**
-     * PDF page index
-     */
-    private int mPageIndex;
-
-    public PdfRendererBasicFragment() {
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.fragment_pdf_renderer_basic, container, false);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        // Retain view references.
-        mImageView = (ImageView) view.findViewById(R.id.image);
-        mButtonPrevious = (Button) view.findViewById(R.id.previous);
-        mButtonNext = (Button) view.findViewById(R.id.next);
-        // Bind events.
-        mButtonPrevious.setOnClickListener(this);
-        mButtonNext.setOnClickListener(this);
-
-        mPageIndex = 0;
-        // If there is a savedInstanceState (screen orientations, etc.), we restore the page index.
-        if (null != savedInstanceState) {
-            mPageIndex = savedInstanceState.getInt(STATE_CURRENT_PAGE_INDEX, 0);
-        }
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        try {
-            openRenderer(getActivity());
-            showPage(mPageIndex);
-        } catch (IOException e) {
-            e.printStackTrace();
-            Toast.makeText(getActivity(), "Error! " + e.getMessage(), Toast.LENGTH_SHORT).show();
-        }
-    }
-
-    @Override
-    public void onStop() {
-        try {
-            closeRenderer();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        super.onStop();
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        if (null != mCurrentPage) {
-            outState.putInt(STATE_CURRENT_PAGE_INDEX, mCurrentPage.getIndex());
-        }
-    }
-
-    /**
-     * Sets up a {@link android.graphics.pdf.PdfRenderer} and related resources.
-     */
-    private void openRenderer(Context context) throws IOException {
-        // In this sample, we read a PDF from the assets directory.
-        File file = new File(context.getCacheDir(), FILENAME);
-        if (!file.exists()) {
-            // Since PdfRenderer cannot handle the compressed asset file directly, we copy it into
-            // the cache directory.
-            InputStream asset = context.getAssets().open(FILENAME);
-            FileOutputStream output = new FileOutputStream(file);
-            final byte[] buffer = new byte[1024];
-            int size;
-            while ((size = asset.read(buffer)) != -1) {
-                output.write(buffer, 0, size);
-            }
-            asset.close();
-            output.close();
-        }
-        mFileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
-        // This is the PdfRenderer we use to render the PDF.
-        if (mFileDescriptor != null) {
-            mPdfRenderer = new PdfRenderer(mFileDescriptor);
-        }
-    }
-
-    /**
-     * Closes the {@link android.graphics.pdf.PdfRenderer} and related resources.
-     *
-     * @throws java.io.IOException When the PDF file cannot be closed.
-     */
-    private void closeRenderer() throws IOException {
-        if (null != mCurrentPage) {
-            mCurrentPage.close();
-        }
-        mPdfRenderer.close();
-        mFileDescriptor.close();
-    }
-
-    /**
-     * Shows the specified page of PDF to the screen.
-     *
-     * @param index The page index.
-     */
-    private void showPage(int index) {
-        if (mPdfRenderer.getPageCount() <= index) {
-            return;
-        }
-        // Make sure to close the current page before opening another one.
-        if (null != mCurrentPage) {
-            mCurrentPage.close();
-        }
-        // Use `openPage` to open a specific page in PDF.
-        mCurrentPage = mPdfRenderer.openPage(index);
-        // Important: the destination bitmap must be ARGB (not RGB).
-        Bitmap bitmap = Bitmap.createBitmap(mCurrentPage.getWidth(), mCurrentPage.getHeight(),
-                Bitmap.Config.ARGB_8888);
-        // Here, we render the page onto the Bitmap.
-        // To render a portion of the page, use the second and third parameter. Pass nulls to get
-        // the default result.
-        // Pass either RENDER_MODE_FOR_DISPLAY or RENDER_MODE_FOR_PRINT for the last parameter.
-        mCurrentPage.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);
-        // We are ready to show the Bitmap to user.
-        mImageView.setImageBitmap(bitmap);
-        updateUi();
-    }
-
-    /**
-     * Updates the state of 2 control buttons in response to the current page index.
-     */
-    private void updateUi() {
-        int index = mCurrentPage.getIndex();
-        int pageCount = mPdfRenderer.getPageCount();
-        mButtonPrevious.setEnabled(0 != index);
-        mButtonNext.setEnabled(index + 1 < pageCount);
-        getActivity().setTitle(getString(R.string.app_name_with_index, index + 1, pageCount));
-    }
-
-    /**
-     * Gets the number of pages in the PDF. This method is marked as public for testing.
-     *
-     * @return The number of pages.
-     */
-    public int getPageCount() {
-        return mPdfRenderer.getPageCount();
-    }
-
-    @Override
-    public void onClick(View view) {
+    private final View.OnClickListener mOnClickListener = (view) -> {
         switch (view.getId()) {
-            case R.id.previous: {
-                // Move to the previous page
-                showPage(mCurrentPage.getIndex() - 1);
+            case R.id.previous:
+                if (mViewModel != null) {
+                    mViewModel.showPrevious();
+                }
                 break;
-            }
-            case R.id.next: {
-                // Move to the next page
-                showPage(mCurrentPage.getIndex() + 1);
+            case R.id.next:
+                if (mViewModel != null) {
+                    mViewModel.showNext();
+                }
                 break;
-            }
         }
+    };
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.pdf_renderer_basic_fragment, container, false);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        // View references.
+        final ImageView image = view.findViewById(R.id.image);
+        final Button buttonPrevious = view.findViewById(R.id.previous);
+        final Button buttonNext = view.findViewById(R.id.next);
+
+        // Bind data.
+        mViewModel = ViewModelProviders.of(this).get(PdfRendererBasicViewModel.class);
+        final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
+        mViewModel.getPageInfo().observe(viewLifecycleOwner, pageInfo -> {
+            if (pageInfo == null) {
+                return;
+            }
+            final Activity activity = getActivity();
+            if (activity != null) {
+                activity.setTitle(getString(R.string.app_name_with_index,
+                        pageInfo.index + 1, pageInfo.count));
+            }
+        });
+        mViewModel.getPageBitmap().observe(viewLifecycleOwner, image::setImageBitmap);
+        mViewModel.getPreviousEnabled().observe(viewLifecycleOwner, buttonPrevious::setEnabled);
+        mViewModel.getNextEnabled().observe(viewLifecycleOwner, buttonNext::setEnabled);
+
+        // Bind events.
+        buttonPrevious.setOnClickListener(mOnClickListener);
+        buttonNext.setOnClickListener(mOnClickListener);
     }
 
 }
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.java b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.java
new file mode 100644
index 0000000..cb638c0
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.pdfrendererbasic;
+
+import android.app.Application;
+import android.graphics.Bitmap;
+import android.graphics.pdf.PdfRenderer;
+import android.os.ParcelFileDescriptor;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+import androidx.annotation.WorkerThread;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+/**
+ * This holds all the data we need for this sample app.
+ * <p>
+ * We use a {@link android.graphics.pdf.PdfRenderer} to render PDF pages as
+ * {@link android.graphics.Bitmap}s.
+ */
+public class PdfRendererBasicViewModel extends AndroidViewModel {
+
+    private static final String TAG = "PdfRendererBasic";
+
+    /**
+     * The filename of the PDF.
+     */
+    private static final String FILENAME = "sample.pdf";
+
+    private final MutableLiveData<PageInfo> mPageInfo = new MutableLiveData<>();
+    private final MutableLiveData<Bitmap> mPageBitmap = new MutableLiveData<>();
+    private final MutableLiveData<Boolean> mPreviousEnabled = new MutableLiveData<>();
+    private final MutableLiveData<Boolean> mNextEnabled = new MutableLiveData<>();
+
+    private final Executor mExecutor;
+    private ParcelFileDescriptor mFileDescriptor;
+    private PdfRenderer mPdfRenderer;
+    private PdfRenderer.Page mCurrentPage;
+    private boolean mCleared;
+
+    @SuppressWarnings("unused")
+    public PdfRendererBasicViewModel(Application application) {
+        this(application, false);
+    }
+
+    PdfRendererBasicViewModel(Application application, boolean useInstantExecutor) {
+        super(application);
+        if (useInstantExecutor) {
+            mExecutor = Runnable::run;
+        } else {
+            mExecutor = Executors.newSingleThreadExecutor();
+        }
+        mExecutor.execute(() -> {
+            try {
+                openPdfRenderer();
+                showPage(0);
+                if (mCleared) {
+                    closePdfRenderer();
+                }
+            } catch (IOException e) {
+                Log.e(TAG, "Failed to open PdfRenderer", e);
+            }
+        });
+    }
+
+    @Override
+    protected void onCleared() {
+        super.onCleared();
+        mExecutor.execute(() -> {
+            try {
+                closePdfRenderer();
+                mCleared = true;
+            } catch (IOException e) {
+                Log.i(TAG, "Failed to close PdfRenderer", e);
+            }
+        });
+    }
+
+    LiveData<PageInfo> getPageInfo() {
+        return mPageInfo;
+    }
+
+    LiveData<Bitmap> getPageBitmap() {
+        return mPageBitmap;
+    }
+
+    LiveData<Boolean> getPreviousEnabled() {
+        return mPreviousEnabled;
+    }
+
+    LiveData<Boolean> getNextEnabled() {
+        return mNextEnabled;
+    }
+
+    void showPrevious() {
+        if (mPdfRenderer == null || mCurrentPage == null) {
+            return;
+        }
+        final int index = mCurrentPage.getIndex();
+        if (index > 0) {
+            mExecutor.execute(() -> showPage(index - 1));
+        }
+    }
+
+    void showNext() {
+        if (mPdfRenderer == null || mCurrentPage == null) {
+            return;
+        }
+        final int index = mCurrentPage.getIndex();
+        if (index + 1 < mPdfRenderer.getPageCount()) {
+            mExecutor.execute(() -> showPage(index + 1));
+        }
+    }
+
+    @WorkerThread
+    private void openPdfRenderer() throws IOException {
+        final File file = new File(getApplication().getCacheDir(), FILENAME);
+        if (!file.exists()) {
+            // Since PdfRenderer cannot handle the compressed asset file directly, we copy it into
+            // the cache directory.
+            final InputStream asset = getApplication().getAssets().open(FILENAME);
+            final FileOutputStream output = new FileOutputStream(file);
+            final byte[] buffer = new byte[1024];
+            int size;
+            while ((size = asset.read(buffer)) != -1) {
+                output.write(buffer, 0, size);
+            }
+            asset.close();
+            output.close();
+        }
+        mFileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
+        if (mFileDescriptor != null) {
+            mPdfRenderer = new PdfRenderer(mFileDescriptor);
+        }
+    }
+
+    @WorkerThread
+    private void closePdfRenderer() throws IOException {
+        if (mCurrentPage != null) {
+            mCurrentPage.close();
+        }
+        if (mPdfRenderer != null) {
+            mPdfRenderer.close();
+        }
+        if (mFileDescriptor != null) {
+            mFileDescriptor.close();
+        }
+    }
+
+    @WorkerThread
+    private void showPage(int index) {
+        // Make sure to close the current page before opening another one.
+        if (null != mCurrentPage) {
+            mCurrentPage.close();
+        }
+        // Use `openPage` to open a specific page in PDF.
+        mCurrentPage = mPdfRenderer.openPage(index);
+        // Important: the destination bitmap must be ARGB (not RGB).
+        final Bitmap bitmap = Bitmap.createBitmap(mCurrentPage.getWidth(), mCurrentPage.getHeight(),
+                Bitmap.Config.ARGB_8888);
+        // Here, we render the page onto the Bitmap.
+        // To render a portion of the page, use the second and third parameter. Pass nulls to get
+        // the default result.
+        // Pass either RENDER_MODE_FOR_DISPLAY or RENDER_MODE_FOR_PRINT for the last parameter.
+        mCurrentPage.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);
+        mPageBitmap.postValue(bitmap);
+        final int count = mPdfRenderer.getPageCount();
+        mPageInfo.postValue(new PageInfo(index, count));
+        mPreviousEnabled.postValue(index > 0);
+        mNextEnabled.postValue(index + 1 < count);
+    }
+
+    static class PageInfo {
+        final int index;
+        final int count;
+
+        PageInfo(int index, int count) {
+            this.index = index;
+            this.count = count;
+        }
+    }
+
+}
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml b/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/main_activity.xml
similarity index 84%
rename from ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml
rename to ui/graphics/PdfRendererBasic/Application/src/main/res/layout/main_activity.xml
index dcd52be..60a42be 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/main_activity.xml
@@ -14,10 +14,10 @@
   See the License for the specific language governing permissions and
   limitations under the License.
 -->
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity"
-    tools:ignore="MergeRootFrame" />
+    tools:context=".MainActivity" />
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/fragment_pdf_renderer_basic.xml b/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/pdf_renderer_basic_fragment.xml
similarity index 100%
rename from ui/graphics/PdfRendererBasic/Application/src/main/res/layout/fragment_pdf_renderer_basic.xml
rename to ui/graphics/PdfRendererBasic/Application/src/main/res/layout/pdf_renderer_basic_fragment.xml
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/res/values/strings.xml b/ui/graphics/PdfRendererBasic/Application/src/main/res/values/strings.xml
index e0182fd..995a82e 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/res/values/strings.xml
+++ b/ui/graphics/PdfRendererBasic/Application/src/main/res/values/strings.xml
@@ -16,7 +16,9 @@
 -->
 <resources>
 
+    <string name="app_name">PdfRendererBasic</string>
     <string name="app_name_with_index">PdfRendererBasic (%1$d/%2$d)</string>
+    <string name="intro_message">This sample demonstrates how to use PdfRenderer to display PDF documents on the screen.</string>
     <string name="info">Info</string>
     <string name="previous">Previous</string>
     <string name="next">Next</string>
diff --git a/ui/graphics/PdfRendererBasic/Application/tests/AndroidManifest.xml b/ui/graphics/PdfRendererBasic/Application/tests/AndroidManifest.xml
deleted file mode 100644
index 54829c7..0000000
--- a/ui/graphics/PdfRendererBasic/Application/tests/AndroidManifest.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2014 The Android Open Source Project
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-  -->
-<!-- package name must be unique so suffix with "tests" so package loader doesn't ignore us -->
-<manifest
-    package="com.example.android.pdfrendererbasic.tests"
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="1"
-    android:versionName="1.0">
-
-    <!-- Min/target SDK versions (<uses-sdk>) managed by build.gradle -->
-
-    <!-- We add an application tag here just so that we can indicate that
-         this package needs to link against the android.test library,
-         which is needed when building test cases. -->
-    <application>
-        <uses-library android:name="android.test.runner"/>
-    </application>
-
-    <!--
-    Specifies the instrumentation test runner used to run the tests.
-    -->
-    <instrumentation
-        android:name="android.test.InstrumentationTestRunner"
-        android:label="Tests for com.example.android.pdfrendererbasic"
-        android:targetPackage="com.example.android.pdfrendererbasic"/>
-
-</manifest>
diff --git a/ui/graphics/PdfRendererBasic/Application/tests/src/com/example/android/pdfrendererbasic/tests/PdfRendererBasicFragmentTests.java b/ui/graphics/PdfRendererBasic/Application/tests/src/com/example/android/pdfrendererbasic/tests/PdfRendererBasicFragmentTests.java
deleted file mode 100644
index 0f94cbf..0000000
--- a/ui/graphics/PdfRendererBasic/Application/tests/src/com/example/android/pdfrendererbasic/tests/PdfRendererBasicFragmentTests.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.example.android.pdfrendererbasic.tests;
-
-import android.content.pm.ActivityInfo;
-import android.test.ActivityInstrumentationTestCase2;
-import android.test.TouchUtils;
-import android.test.suitebuilder.annotation.LargeTest;
-import android.view.View;
-import android.widget.Button;
-
-import com.example.android.pdfrendererbasic.MainActivity;
-import com.example.android.pdfrendererbasic.PdfRendererBasicFragment;
-import com.example.android.pdfrendererbasic.R;
-
-/**
- * Tests for PdfRendererBasic sample.
- */
-public class PdfRendererBasicFragmentTests extends ActivityInstrumentationTestCase2<MainActivity> {
-
-    private MainActivity mActivity;
-    private PdfRendererBasicFragment mFragment;
-
-    private Button mButtonPrevious;
-    private Button mButtonNext;
-
-    public PdfRendererBasicFragmentTests() {
-        super(MainActivity.class);
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        mActivity = getActivity();
-        mFragment = (PdfRendererBasicFragment) mActivity.getFragmentManager()
-                .findFragmentByTag(MainActivity.FRAGMENT_PDF_RENDERER_BASIC);
-    }
-
-    @LargeTest
-    public void testActivityTitle() {
-        // The title of the activity should be "PdfRendererBasic (1/10)" at first
-        String expectedActivityTitle = mActivity.getString(R.string.app_name_with_index, 1,
-                mFragment.getPageCount());
-        assertEquals(expectedActivityTitle, mActivity.getTitle());
-    }
-
-    @LargeTest
-    public void testButtons_previousDisabledAtFirst() {
-        setUpButtons();
-        // Check that the previous button is disabled at first
-        assertFalse(mButtonPrevious.isEnabled());
-        // The next button should be enabled
-        assertTrue(mButtonNext.isEnabled());
-    }
-
-    @LargeTest
-    public void testButtons_bothEnabledInMiddle() {
-        setUpButtons();
-        turnPages(1);
-        // Two buttons should be both enabled
-        assertTrue(mButtonPrevious.isEnabled());
-        assertTrue(mButtonNext.isEnabled());
-    }
-
-    @LargeTest
-    public void testButtons_nextDisabledLastPage() {
-        setUpButtons();
-        int pageCount = mFragment.getPageCount();
-        // Click till it reaches the last page
-        turnPages(pageCount - 1);
-        // Check the page count
-        String expectedActivityTitle = mActivity.getString(R.string.app_name_with_index,
-                pageCount, pageCount);
-        assertEquals(expectedActivityTitle, mActivity.getTitle());
-        // The previous button should be enabled
-        assertTrue(mButtonPrevious.isEnabled());
-        // Check that the next button is disabled
-        assertFalse(mButtonNext.isEnabled());
-    }
-
-    @LargeTest
-    public void testOrientationChangePreserveState() {
-        mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
-        setUpButtons();
-        turnPages(1);
-        int pageCount = mFragment.getPageCount();
-        String expectedActivityTitle = mActivity.getString(R.string.app_name_with_index,
-                2, pageCount);
-        assertEquals(expectedActivityTitle, mActivity.getTitle());
-        mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
-        // Check that the title is the same after orientation change
-        assertEquals(expectedActivityTitle, mActivity.getTitle());
-    }
-
-    /**
-     * Prepares references to the buttons "Previous" and "Next".
-     */
-    private void setUpButtons() {
-        View view = mFragment.getView();
-        assertNotNull(view);
-        mButtonPrevious = (Button) view.findViewById(R.id.previous);
-        assertNotNull(mButtonPrevious);
-        mButtonNext = (Button) view.findViewById(R.id.next);
-        assertNotNull(mButtonNext);
-    }
-
-    /**
-     * Click the "Next" button to turn the pages.
-     *
-     * @param count The number of times to turn pages.
-     */
-    private void turnPages(int count) {
-        for (int i = 0; i < count; ++i) {
-            TouchUtils.clickView(this, mButtonNext);
-        }
-    }
-
-}
diff --git a/ui/graphics/PdfRendererBasic/LICENSE b/ui/graphics/PdfRendererBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/graphics/PdfRendererBasic/LICENSE
+++ b/ui/graphics/PdfRendererBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
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diff --git a/ui/graphics/PdfRendererBasic/build.gradle b/ui/graphics/PdfRendererBasic/build.gradle
index be1fa82..93ddf8c 100644
--- a/ui/graphics/PdfRendererBasic/build.gradle
+++ b/ui/graphics/PdfRendererBasic/build.gradle
@@ -1,14 +1,29 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
 
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.0'
+    }
+}
 
-
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
 
 // BEGIN_EXCLUDE
 import com.example.android.samples.build.SampleGenPlugin
+
 apply plugin: SampleGenPlugin
 
 samplegen {
-  pathToBuild "../../../../../build"
-  pathToSamplesCommon "../../../common"
+    pathToBuild "../../../../../build"
+    pathToSamplesCommon "../../../common"
 }
 apply from: "../../../../../build/build.gradle"
 // END_EXCLUDE
diff --git a/ui/graphics/PdfRendererBasic/gradle.properties b/ui/graphics/PdfRendererBasic/gradle.properties
new file mode 100644
index 0000000..795e261
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/gradle.properties
@@ -0,0 +1,14 @@
+# Project-wide Gradle settings.
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+org.gradle.parallel=true
+
+android.useAndroidX=true
+android.enableJetifier=true
diff --git a/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.jar b/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.properties b/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/graphics/PdfRendererBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/graphics/PdfRendererBasic/gradlew b/ui/graphics/PdfRendererBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/graphics/PdfRendererBasic/gradlew
+++ b/ui/graphics/PdfRendererBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/graphics/PdfRendererBasic/gradlew.bat b/ui/graphics/PdfRendererBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/graphics/PdfRendererBasic/gradlew.bat
+++ b/ui/graphics/PdfRendererBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/build.gradle b/ui/graphics/PdfRendererBasic/kotlinApp/Application/build.gradle
index 19b947f..a1be48c 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/build.gradle
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/build.gradle
@@ -1,35 +1,39 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion rootProject.ext.compileSdkVersion
+    compileSdkVersion 28
+
     defaultConfig {
-        applicationId "com.example.android.pdfrendererbasic"
-        minSdkVersion rootProject.ext.minSdkVersion
-        targetSdkVersion rootProject.ext.targetSdkVersion
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        applicationId 'com.example.android.pdfrendererbasic'
+        minSdkVersion 21
+        targetSdkVersion 28
         versionCode 1
-        versionName "1.0"
+        versionName '1.0'
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+
+    testOptions {
+        unitTests {
+            returnDefaultValues = true
+            includeAndroidResources = true
         }
     }
 }
 
 dependencies {
-    implementation "com.android.support:appcompat-v7:$rootProject.ext.supportLibVersion"
-    implementation "com.android.support:support-v4:$rootProject.ext.supportLibVersion"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.0'
 
-    // Testing dependencies
-    androidTestImplementation "com.android.support.test.espresso:espresso-contrib:$rootProject.ext.espressoVersion"
-    androidTestImplementation "com.android.support.test.espresso:espresso-core:$rootProject.ext.espressoVersion"
-    androidTestCompile "com.android.support:support-annotations:$rootProject.ext.supportLibVersion"
-    androidTestCompile "com.android.support.test:runner:$rootProject.ext.supportTestVersion"
-    androidTestCompile "com.android.support.test:rules:$rootProject.ext.supportTestVersion"
-    testImplementation "junit:junit:$rootProject.ext.junitVersion"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+
+    def lifecycle_version = '2.0.0'
+    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
+    androidTestImplementation "androidx.arch.core:core-testing:$lifecycle_version"
+
+    testImplementation 'com.google.truth:truth:0.42'
+    testImplementation 'androidx.test:core:1.1.0'
+    testImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.ext:truth:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragmentTests.kt b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragmentTests.kt
deleted file mode 100644
index b2abc69..0000000
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragmentTests.kt
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.example.android.pdfrendererbasic
-
-import android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
-import android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
-import android.support.test.espresso.Espresso.onView
-import android.support.test.espresso.action.ViewActions.click
-import android.support.test.espresso.matcher.ViewMatchers.withId
-import android.support.test.rule.ActivityTestRule
-import android.support.test.runner.AndroidJUnit4
-import android.widget.Button
-import org.junit.Assert.assertEquals
-import org.junit.Assert.assertFalse
-import org.junit.Assert.assertTrue
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-
-/**
- * Tests for PdfRendererBasic sample.
- */
-@RunWith(AndroidJUnit4::class)
-class PdfRendererBasicFragmentTests {
-
-    private lateinit var fragment: PdfRendererBasicFragment
-    private lateinit var btnPrevious: Button
-    private lateinit var btnNext: Button
-
-    @Rule @JvmField
-    val activityTestRule = ActivityTestRule(MainActivity::class.java)
-
-    @Before fun before() {
-        activityTestRule.activity.supportFragmentManager.beginTransaction()
-        fragment = activityTestRule.activity.supportFragmentManager
-                .findFragmentByTag(FRAGMENT_PDF_RENDERER_BASIC) as PdfRendererBasicFragment
-    }
-
-    @Test fun testActivityTitle() {
-        // The title of the activity should be "PdfRendererBasic (1/10)" at first
-        val expectedActivityTitle = activityTestRule.activity.getString(
-                R.string.app_name_with_index, 1, fragment.getPageCount())
-        assertEquals(expectedActivityTitle, activityTestRule.activity.title)
-    }
-
-    @Test fun testButtons_previousDisabledAtFirst() {
-        setUpButtons()
-        // Check that the previous button is disabled at first
-        assertFalse(btnPrevious.isEnabled)
-        // The next button should be enabled
-        assertTrue(btnNext.isEnabled)
-    }
-
-    @Test fun testButtons_bothEnabledInMiddle() {
-        setUpButtons()
-        turnPages(1)
-        // Two buttons should be both enabled
-        assertTrue(btnPrevious.isEnabled)
-        assertTrue(btnNext.isEnabled)
-    }
-
-    @Test fun testButtons_nextDisabledLastPage() {
-        setUpButtons()
-        val pageCount = fragment.getPageCount()
-        // Click till it reaches the last page
-        turnPages(pageCount - 1)
-        // Check the page count
-        val expectedActivityTitle = activityTestRule.activity.getString(
-                R.string.app_name_with_index, pageCount, pageCount)
-        assertEquals(expectedActivityTitle, activityTestRule.activity.title)
-        // The previous button should be enabled
-        assertTrue(btnPrevious.isEnabled)
-        // Check that the next button is disabled
-        assertFalse(btnNext.isEnabled)
-    }
-
-    @Test fun testOrientationChangePreserveState() {
-        activityTestRule.activity.requestedOrientation = SCREEN_ORIENTATION_PORTRAIT
-        setUpButtons()
-        turnPages(1)
-        val pageCount = fragment.getPageCount()
-        val expectedActivityTitle = activityTestRule.activity
-                .getString(R.string.app_name_with_index, 2, pageCount)
-        assertEquals(expectedActivityTitle, activityTestRule.activity.title)
-        activityTestRule.activity.requestedOrientation = SCREEN_ORIENTATION_LANDSCAPE
-        // Check that the title is the same after orientation change
-        assertEquals(expectedActivityTitle, activityTestRule.activity.title)
-    }
-
-    /**
-     * Prepares references to the buttons "Previous" and "Next".
-     */
-    private fun setUpButtons() {
-        val view = fragment.view ?: return
-        btnPrevious = view.findViewById(R.id.previous)
-        btnNext = view.findViewById(R.id.next)
-    }
-
-    /**
-     * Click the "Next" button to turn the pages.
-     *
-     * @param count The number of times to turn pages.
-     */
-    private fun turnPages(count: Int) {
-        for (i in 0 until count) {
-            onView(withId(R.id.next)).perform(click())
-        }
-    }
-
-}
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.kt b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.kt
new file mode 100644
index 0000000..c2d7b26
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/androidTest/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModelTest.kt
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.pdfrendererbasic
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.runner.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class PdfRendererBasicViewModelTest {
+
+    @get:Rule
+    val instantTaskExecutorRule = InstantTaskExecutorRule()
+
+    private val viewModel = PdfRendererBasicViewModel(
+            ApplicationProvider.getApplicationContext(), true)
+
+    @Test
+    fun allPages() {
+        assertThat(viewModel).isNotNull()
+        assertThat(viewModel.pageInfo.value).isEqualTo(0 to 10)
+        assertThat(viewModel.previousEnabled.value).isFalse()
+        assertThat(viewModel.nextEnabled.value).isTrue()
+        assertThat(viewModel.pageBitmap.value).isNotNull()
+        repeat(9) { viewModel.showNext() }
+        assertThat(viewModel.pageInfo.value).isEqualTo(9 to 10)
+        assertThat(viewModel.previousEnabled.value).isTrue()
+        assertThat(viewModel.nextEnabled.value).isFalse()
+        assertThat(viewModel.pageBitmap.value).isNotNull()
+    }
+
+}
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/AndroidManifest.xml b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/AndroidManifest.xml
index de585c9..2250085 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/AndroidManifest.xml
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/AndroidManifest.xml
@@ -14,17 +14,21 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
-
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.example.android.pdfrendererbasic">
 
-    <application android:allowBackup="false"
-        android:label="@string/app_name"
+    <application
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
-        android:theme="@style/Theme.PdfRendererBasic">
+        android:label="@string/app_name"
+        android:theme="@style/Theme.PdfRendererBasic"
+        tools:ignore="GoogleAppIndexingWarning">
 
-        <activity android:name=".MainActivity"
-                  android:label="@string/app_name">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -32,5 +36,4 @@
         </activity>
     </application>
 
-
 </manifest>
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.kt b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.kt
index 1d253bd..dd0ffc5 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.kt
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/MainActivity.kt
@@ -16,24 +16,27 @@
 
 package com.example.android.pdfrendererbasic
 
-import android.app.AlertDialog
+import android.app.Dialog
 import android.os.Bundle
-import android.support.v7.app.AppCompatActivity
 import android.view.Menu
 import android.view.MenuItem
-
-val FRAGMENT_PDF_RENDERER_BASIC = "pdf_renderer_basic"
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.DialogFragment
 
 class MainActivity : AppCompatActivity() {
 
+    companion object {
+        const val FRAGMENT_INFO = "info"
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main_real)
+        setContentView(R.layout.main_activity)
         if (savedInstanceState == null) {
             supportFragmentManager.beginTransaction()
-                    .add(R.id.container, PdfRendererBasicFragment(), FRAGMENT_PDF_RENDERER_BASIC)
-                    .commit()
+                    .replace(R.id.container, PdfRendererBasicFragment())
+                    .commitNow()
         }
     }
 
@@ -45,14 +48,20 @@
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return when (item.itemId) {
             R.id.action_info -> {
-                AlertDialog.Builder(this)
-                        .setMessage(R.string.intro_message)
-                        .setPositiveButton(android.R.string.ok, null)
-                        .show()
+                InfoFragment().show(supportFragmentManager, FRAGMENT_INFO)
                 return true
             }
             else -> super.onOptionsItemSelected(item)
         }
     }
 
+    class InfoFragment : DialogFragment() {
+        override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+            return AlertDialog.Builder(requireContext())
+                    .setMessage(R.string.intro_message)
+                    .setPositiveButton(android.R.string.ok, null)
+                    .show()
+        }
+    }
+
 }
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.kt b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.kt
index 89e1cfd..1ffc581 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.kt
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicFragment.kt
@@ -16,222 +16,47 @@
 
 package com.example.android.pdfrendererbasic
 
-import android.content.Context
-import android.graphics.Bitmap
-import android.graphics.Bitmap.createBitmap
-import android.graphics.pdf.PdfRenderer
 import android.os.Bundle
-import android.os.ParcelFileDescriptor
-import android.support.v4.app.Fragment
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
 import android.widget.ImageView
-import java.io.File
-import java.io.FileOutputStream
-import java.io.IOException
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
 
 /**
  * This fragment has a big [ImageView] that shows PDF pages, and 2 [Button]s to move between pages.
- * We use a [PdfRenderer] to render PDF pages as [Bitmap]s.
  */
-class PdfRendererBasicFragment : Fragment(), View.OnClickListener {
+class PdfRendererBasicFragment : Fragment() {
 
-    /**
-     * The filename of the PDF.
-     */
-    private val FILENAME = "sample.pdf"
-
-    /**
-     * Key string for saving the state of current page index.
-     */
-    private val STATE_CURRENT_PAGE_INDEX = "current_page_index"
-
-    /**
-     * String for logging.
-     */
-    private val TAG = "PdfRendererBasicFragment"
-
-    /**
-     * The initial page index of the PDF.
-     */
-    private val INITIAL_PAGE_INDEX = 0
-
-    /**
-     * File descriptor of the PDF.
-     */
-    private lateinit var fileDescriptor: ParcelFileDescriptor
-
-    /**
-     * [PdfRenderer] to render the PDF.
-     */
-    private lateinit var pdfRenderer: PdfRenderer
-
-    /**
-     * Page that is currently shown on the screen.
-     */
-    private lateinit var currentPage: PdfRenderer.Page
-
-    /**
-     * [ImageView] that shows a PDF page as a [Bitmap].
-     */
-    private lateinit var imageView: ImageView
-
-    /**
-     * [Button] to move to the previous page.
-     */
-    private lateinit var btnPrevious: Button
-
-    /**
-     * [Button] to move to the next page.
-     */
-    private lateinit var btnNext: Button
-
-    /**
-     * PDF page index.
-     */
-    private var pageIndex: Int = INITIAL_PAGE_INDEX
-
-    override fun onCreateView(
-            inflater: LayoutInflater,
-            container: ViewGroup?,
-            savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_pdf_renderer_basic, container, false)
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return inflater.inflate(R.layout.pdf_renderer_basic_fragment, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        imageView = view.findViewById(R.id.image)
-        btnPrevious = view.findViewById<Button>(R.id.previous).also { it.setOnClickListener(this) }
-        btnNext = view.findViewById<Button>(R.id.next).also { it.setOnClickListener(this)}
+        // View references.
+        val image: ImageView = view.findViewById(R.id.image)
+        val buttonPrevious: Button = view.findViewById(R.id.previous)
+        val buttonNext: Button = view.findViewById(R.id.next)
 
-        // If there is a savedInstanceState (screen orientations, etc.), we restore the page index.
-        if (savedInstanceState != null) {
-            pageIndex = savedInstanceState.getInt(STATE_CURRENT_PAGE_INDEX, INITIAL_PAGE_INDEX)
-        } else {
-            pageIndex = INITIAL_PAGE_INDEX
-        }
-    }
+        // Bind data.
+        val viewModel = ViewModelProviders.of(this).get(PdfRendererBasicViewModel::class.java)
+        viewModel.pageInfo.observe(viewLifecycleOwner, Observer { (index, count) ->
+            activity?.title = getString(R.string.app_name_with_index, index + 1, count)
+        })
+        viewModel.pageBitmap.observe(viewLifecycleOwner, Observer { image.setImageBitmap(it) })
+        viewModel.previousEnabled.observe(viewLifecycleOwner, Observer {
+            buttonPrevious.isEnabled = it
+        })
+        viewModel.nextEnabled.observe(viewLifecycleOwner, Observer {
+            buttonNext.isEnabled = it
+        })
 
-    override fun onStart() {
-        super.onStart()
-        try {
-            openRenderer(activity)
-            showPage(pageIndex)
-        } catch (e: IOException) {
-            Log.d(TAG, e.toString())
-        }
-    }
-
-    override fun onStop() {
-        try {
-            closeRenderer()
-        } catch (e: IOException) {
-            Log.d(TAG, e.toString())
-        }
-        super.onStop()
-    }
-
-    override fun onSaveInstanceState(outState: Bundle) {
-        outState.putInt(STATE_CURRENT_PAGE_INDEX, currentPage.index)
-        super.onSaveInstanceState(outState)
-    }
-
-    /**
-     * Sets up a [PdfRenderer] and related resources.
-     */
-    @Throws(IOException::class)
-    private fun openRenderer(context: Context?) {
-        if (context == null) return
-
-        // In this sample, we read a PDF from the assets directory.
-        val file = File(context.cacheDir, FILENAME)
-        if (!file.exists()) {
-            // Since PdfRenderer cannot handle the compressed asset file directly, we copy it into
-            // the cache directory.
-            val asset = context.assets.open(FILENAME)
-            val output = FileOutputStream(file)
-            val buffer = ByteArray(1024)
-            var size = asset.read(buffer)
-            while (size != -1) {
-                output.write(buffer, 0, size)
-                size = asset.read(buffer)
-            }
-            asset.close()
-            output.close()
-        }
-        fileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY)
-        // This is the PdfRenderer we use to render the PDF.
-        pdfRenderer = PdfRenderer(fileDescriptor)
-        currentPage = pdfRenderer.openPage(pageIndex)
-    }
-
-    /**
-     * Closes the [PdfRenderer] and related resources.
-     *
-     * @throws IOException When the PDF file cannot be closed.
-     */
-    @Throws(IOException::class)
-    private fun closeRenderer() {
-        currentPage.close()
-        pdfRenderer.close()
-        fileDescriptor.close()
-    }
-
-    /**
-     * Shows the specified page of PDF to the screen.
-     *
-     * @param index The page index.
-     */
-    private fun showPage(index: Int) {
-        if (pdfRenderer.pageCount <= index) return
-
-        // Make sure to close the current page before opening another one.
-        currentPage.close()
-        // Use `openPage` to open a specific page in PDF.
-        currentPage = pdfRenderer.openPage(index)
-        // Important: the destination bitmap must be ARGB (not RGB).
-        val bitmap = createBitmap(currentPage.width, currentPage.height, Bitmap.Config.ARGB_8888)
-        // Here, we render the page onto the Bitmap.
-        // To render a portion of the page, use the second and third parameter. Pass nulls to get
-        // the default result.
-        // Pass either RENDER_MODE_FOR_DISPLAY or RENDER_MODE_FOR_PRINT for the last parameter.
-        currentPage.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY)
-        // We are ready to show the Bitmap to user.
-        imageView.setImageBitmap(bitmap)
-        updateUi()
-    }
-
-    /**
-     * Updates the state of 2 control buttons in response to the current page index.
-     */
-    private fun updateUi() {
-        val index = currentPage.index
-        val pageCount = pdfRenderer.pageCount
-        btnPrevious.isEnabled = (0 != index)
-        btnNext.isEnabled = (index + 1 < pageCount)
-        activity?.title = getString(R.string.app_name_with_index, index + 1, pageCount)
-    }
-
-    /**
-     * Returns the page count of of the PDF.
-     */
-    fun getPageCount() = pdfRenderer.pageCount
-
-    override fun onClick(view: View) {
-        when (view.id) {
-            R.id.previous -> {
-                // Move to the previous page/
-                showPage(currentPage.index - 1)
-            }
-            R.id.next -> {
-                // Move to the next page.
-                showPage(currentPage.index + 1)
-            }
-        }
+        // Bind events.
+        buttonPrevious.setOnClickListener { viewModel.showPrevious() }
+        buttonNext.setOnClickListener { viewModel.showNext() }
     }
 
 }
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.kt b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.kt
new file mode 100644
index 0000000..6324cce
--- /dev/null
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/java/com/example/android/pdfrendererbasic/PdfRendererBasicViewModel.kt
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.pdfrendererbasic
+
+import android.app.Application
+import android.graphics.Bitmap
+import android.graphics.pdf.PdfRenderer
+import android.os.ParcelFileDescriptor
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.asCoroutineDispatcher
+import kotlinx.coroutines.launch
+import java.io.File
+import java.util.concurrent.Executor
+import java.util.concurrent.Executors
+
+class PdfRendererBasicViewModel @JvmOverloads constructor(
+        application: Application,
+        useInstantExecutor: Boolean = false
+) : AndroidViewModel(application) {
+
+    companion object {
+        const val FILENAME = "sample.pdf"
+    }
+
+    private val job = Job()
+    private val executor = if (useInstantExecutor) {
+        Executor { it.run() }
+    } else {
+        Executors.newSingleThreadExecutor()
+    }
+    private val scope = CoroutineScope(executor.asCoroutineDispatcher() + job)
+
+    private var fileDescriptor: ParcelFileDescriptor? = null
+    private var pdfRenderer: PdfRenderer? = null
+    private var currentPage: PdfRenderer.Page? = null
+    private var cleared = false
+
+    private val _pageBitmap = MutableLiveData<Bitmap>()
+    val pageBitmap: LiveData<Bitmap>
+        get() = _pageBitmap
+
+    private val _previousEnabled = MutableLiveData<Boolean>()
+    val previousEnabled: LiveData<Boolean>
+        get() = _previousEnabled
+
+    private val _nextEnabled = MutableLiveData<Boolean>()
+    val nextEnabled: LiveData<Boolean>
+        get() = _nextEnabled
+
+    private val _pageInfo = MutableLiveData<Pair<Int, Int>>()
+    val pageInfo: LiveData<Pair<Int, Int>>
+        get() = _pageInfo
+
+    init {
+        scope.launch {
+            openPdfRenderer()
+            showPage(0)
+            if (cleared) {
+                closePdfRenderer()
+            }
+        }
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        scope.launch {
+            closePdfRenderer()
+            cleared = true
+            job.cancel()
+        }
+    }
+
+    fun showPrevious() {
+        scope.launch {
+            currentPage?.let { page ->
+                if (page.index > 0) {
+                    showPage(page.index - 1)
+                }
+            }
+        }
+    }
+
+    fun showNext() {
+        scope.launch {
+            pdfRenderer?.let { renderer ->
+                currentPage?.let { page ->
+                    if (page.index + 1 < renderer.pageCount) {
+                        showPage(page.index + 1)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun openPdfRenderer() {
+        val application = getApplication<Application>()
+        val file = File(application.cacheDir, FILENAME)
+        if (!file.exists()) {
+            application.assets.open(FILENAME).use { asset ->
+                file.writeBytes(asset.readBytes())
+            }
+        }
+        fileDescriptor = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY).also {
+            pdfRenderer = PdfRenderer(it)
+        }
+    }
+
+    private fun showPage(index: Int) {
+        // Make sure to close the current page before opening another one.
+        currentPage?.let { page ->
+            currentPage = null
+            page.close()
+        }
+        pdfRenderer?.let { renderer ->
+            // Use `openPage` to open a specific page in PDF.
+            val page = renderer.openPage(index).also {
+                currentPage = it
+            }
+            // Important: the destination bitmap must be ARGB (not RGB).
+            val bitmap = Bitmap.createBitmap(page.width, page.height, Bitmap.Config.ARGB_8888)
+            // Here, we render the page onto the Bitmap.
+            // To render a portion of the page, use the second and third parameter. Pass nulls to get
+            // the default result.
+            // Pass either RENDER_MODE_FOR_DISPLAY or RENDER_MODE_FOR_PRINT for the last parameter.
+            page.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY)
+            _pageBitmap.postValue(bitmap)
+            val count = renderer.pageCount
+            _pageInfo.postValue(index to count)
+            _previousEnabled.postValue(index > 0)
+            _nextEnabled.postValue(index + 1 < count)
+        }
+    }
+
+    private fun closePdfRenderer() {
+        currentPage?.close()
+        pdfRenderer?.close()
+        fileDescriptor?.close()
+    }
+
+}
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/activity_main_real.xml b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/activity_main_real.xml
deleted file mode 100644
index 5d130ff..0000000
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/activity_main_real.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- Copyright 2017 The Android Open Source Project
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/container"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainActivity"
-    tools:ignore="MergeRootFrame" />
diff --git a/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/main_activity.xml
similarity index 78%
copy from ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml
copy to ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/main_activity.xml
index dcd52be..a613a72 100644
--- a/ui/graphics/PdfRendererBasic/Application/src/main/res/layout/activity_main_real.xml
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/main_activity.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  Copyright (C) 2014 The Android Open Source Project
+  Copyright (C) 2017 The Android Open Source Project
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -14,10 +14,10 @@
   See the License for the specific language governing permissions and
   limitations under the License.
 -->
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity"
-    tools:ignore="MergeRootFrame" />
+    tools:context=".MainActivity" />
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/fragment_pdf_renderer_basic.xml b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/pdf_renderer_basic_fragment.xml
similarity index 69%
rename from ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/fragment_pdf_renderer_basic.xml
rename to ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/pdf_renderer_basic_fragment.xml
index aa8a9e1..719502e 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/fragment_pdf_renderer_basic.xml
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/layout/pdf_renderer_basic_fragment.xml
@@ -1,18 +1,18 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!--
- Copyright 2017 The Android Open Source Project
+  Copyright (C) 2017 The Android Open Source Project
 
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
 
-     http://www.apache.org/licenses/LICENSE-2.0
+       http://www.apache.org/licenses/LICENSE-2.0
 
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
@@ -52,7 +52,6 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             android:text="@string/next" />
-
     </LinearLayout>
 
 </LinearLayout>
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/values/strings.xml b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/values/strings.xml
index 55f04f9..04968e4 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/values/strings.xml
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/Application/src/main/res/values/strings.xml
@@ -15,19 +15,10 @@
  limitations under the License.
 -->
 <resources>
-
     <string name="app_name">PdfRendererBasic</string>
     <string name="app_name_with_index">PdfRendererBasic (%1$d/%2$d)</string>
     <string name="info">Info</string>
     <string name="previous">Previous</string>
     <string name="next">Next</string>
-    <string name="intro_message">
-        <![CDATA[
-
-
-            This sample demonstrates how to use PdfRenderer to display PDF documents on the screen.
-
-
-        ]]>
-    </string>
+    <string name="intro_message">This sample demonstrates how to use PdfRenderer to display PDF documents on the screen</string>
 </resources>
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/build.gradle b/ui/graphics/PdfRendererBasic/kotlinApp/build.gradle
index c1ee1e5..4086415 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/build.gradle
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/build.gradle
@@ -1,22 +1,13 @@
 buildscript {
-    ext {
-        compileSdkVersion = 27
-        minSdkVersion = 24
-        targetSdkVersion = 27
-
-        espressoVersion = '3.0.1'
-        junitVersion = '4.12'
-        kotlinVersion = '1.2.0'
-        supportLibVersion = '27.0.2'
-        supportTestVersion = '1.0.1'
-    }
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         jcenter()
     }
+
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
+        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
@@ -26,7 +17,3 @@
         jcenter()
     }
 }
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
diff --git a/ui/graphics/PdfRendererBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/graphics/PdfRendererBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 4867119..f941550 100644
--- a/ui/graphics/PdfRendererBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/graphics/PdfRendererBasic/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 11 10:28:08 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
\ No newline at end of file
diff --git a/ui/graphics/PdfRendererBasic/template-params.xml b/ui/graphics/PdfRendererBasic/template-params.xml
index 81ea826..3d79c17 100644
--- a/ui/graphics/PdfRendererBasic/template-params.xml
+++ b/ui/graphics/PdfRendererBasic/template-params.xml
@@ -33,7 +33,8 @@
         </intro>
     </strings>
 
-    <template src="base"/>
+    <template src="base-build"/>
+    <androidX>true</androidX>
 
     <metadata>
         <status>PUBLISHED</status>
diff --git a/ui/holo/BorderlessButtons/LICENSE b/ui/holo/BorderlessButtons/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/holo/BorderlessButtons/LICENSE
+++ b/ui/holo/BorderlessButtons/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
-     example, because of any applicable exception or limitation to
-     copyright--then that use is not regulated by the license. Our
-     licenses grant only permissions under copyright and certain
-     other rights that a licensor has authority to grant. Use of
-     the licensed material may still be restricted for other
-     reasons, including because others have copyright or other
-     rights in the material. A licensor may make special requests,
-     such as asking that all changes be marked or described.
-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
-
-
-Section 1 -- Definitions.
-
-  a. Adapted Material means material subject to Copyright and Similar
-     Rights that is derived from or based upon the Licensed Material
-     and in which the Licensed Material is translated, altered,
-     arranged, transformed, or otherwise modified in a manner requiring
-     permission under the Copyright and Similar Rights held by the
-     Licensor. For purposes of this Public License, where the Licensed
-     Material is a musical work, performance, or sound recording,
-     Adapted Material is always produced where the Licensed Material is
-     synched in timed relation with a moving image.
-
-  b. Adapter's License means the license You apply to Your Copyright
-     and Similar Rights in Your contributions to Adapted Material in
-     accordance with the terms and conditions of this Public License.
-
-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
-     Commons as essentially the equivalent of this Public License.
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diff --git a/ui/holo/BorderlessButtons/README.md b/ui/holo/BorderlessButtons/README.md
index 679484a..0e4625d 100644
--- a/ui/holo/BorderlessButtons/README.md
+++ b/ui/holo/BorderlessButtons/README.md
@@ -24,8 +24,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -54,7 +54,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.jar b/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.properties b/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/holo/BorderlessButtons/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/holo/BorderlessButtons/gradlew b/ui/holo/BorderlessButtons/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/holo/BorderlessButtons/gradlew
+++ b/ui/holo/BorderlessButtons/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/holo/BorderlessButtons/gradlew.bat b/ui/holo/BorderlessButtons/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/holo/BorderlessButtons/gradlew.bat
+++ b/ui/holo/BorderlessButtons/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/lists/CustomChoiceList/LICENSE b/ui/lists/CustomChoiceList/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/lists/CustomChoiceList/LICENSE
+++ b/ui/lists/CustomChoiceList/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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diff --git a/ui/lists/CustomChoiceList/README.md b/ui/lists/CustomChoiceList/README.md
index df7b190..f560511 100644
--- a/ui/lists/CustomChoiceList/README.md
+++ b/ui/lists/CustomChoiceList/README.md
@@ -41,8 +41,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -71,7 +71,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.jar b/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.properties b/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/lists/CustomChoiceList/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/lists/CustomChoiceList/gradlew b/ui/lists/CustomChoiceList/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/lists/CustomChoiceList/gradlew
+++ b/ui/lists/CustomChoiceList/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/lists/CustomChoiceList/gradlew.bat b/ui/lists/CustomChoiceList/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/lists/CustomChoiceList/gradlew.bat
+++ b/ui/lists/CustomChoiceList/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/lists/CustomChoiceList/template-params.xml b/ui/lists/CustomChoiceList/template-params.xml
index d42ba2b..c7f4fd2 100644
--- a/ui/lists/CustomChoiceList/template-params.xml
+++ b/ui/lists/CustomChoiceList/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.customchoicelist</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/transition/BasicTransition/LICENSE b/ui/transition/BasicTransition/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/transition/BasicTransition/LICENSE
+++ b/ui/transition/BasicTransition/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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diff --git a/ui/transition/BasicTransition/README.md b/ui/transition/BasicTransition/README.md
index 2ed6ed2..c0cb9ca 100644
--- a/ui/transition/BasicTransition/README.md
+++ b/ui/transition/BasicTransition/README.md
@@ -33,8 +33,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -63,7 +63,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.jar b/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.properties b/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/transition/BasicTransition/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/transition/BasicTransition/gradlew b/ui/transition/BasicTransition/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/transition/BasicTransition/gradlew
+++ b/ui/transition/BasicTransition/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/transition/BasicTransition/gradlew.bat b/ui/transition/BasicTransition/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/transition/BasicTransition/gradlew.bat
+++ b/ui/transition/BasicTransition/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/transition/CustomTransition/LICENSE b/ui/transition/CustomTransition/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/transition/CustomTransition/LICENSE
+++ b/ui/transition/CustomTransition/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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diff --git a/ui/transition/CustomTransition/README.md b/ui/transition/CustomTransition/README.md
index 2b88dc1..23a39ab 100644
--- a/ui/transition/CustomTransition/README.md
+++ b/ui/transition/CustomTransition/README.md
@@ -32,8 +32,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -62,7 +62,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.jar b/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.properties b/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.properties
index a3c0811..ae45383 100644
--- a/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/transition/CustomTransition/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Feb 06 10:46:09 GMT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/transition/CustomTransition/gradlew b/ui/transition/CustomTransition/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/transition/CustomTransition/gradlew
+++ b/ui/transition/CustomTransition/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/transition/CustomTransition/gradlew.bat b/ui/transition/CustomTransition/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/transition/CustomTransition/gradlew.bat
+++ b/ui/transition/CustomTransition/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/CardView/.google/packaging.yaml b/ui/views/CardView/.google/packaging.yaml
index bc80878..17dcb01 100644
--- a/ui/views/CardView/.google/packaging.yaml
+++ b/ui/views/CardView/.google/packaging.yaml
@@ -1,3 +1,4 @@
+
 # GOOGLE SAMPLE PACKAGING DATA
 #
 # This file is used by Google as part of our samples packaging process.
@@ -8,9 +9,5 @@
 categories:   [UI]
 languages:    [Java]
 solutions:    [Mobile]
-github:       android-CardView
-level:        INTERMEDIATE
-icon:         CardViewSample/src/main/res/drawable-xxhdpi/ic_launcher.png
-doc_refs:
-    - android:preview/material/ui-widgets.html
+github:       android-CardView Sample
 license: apache2
diff --git a/ui/views/CardView/LICENSE b/ui/views/CardView/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/CardView/LICENSE
+++ b/ui/views/CardView/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
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diff --git a/ui/views/CardView/README.md b/ui/views/CardView/README.md
index 3caad20..e4a83cf 100644
--- a/ui/views/CardView/README.md
+++ b/ui/views/CardView/README.md
@@ -2,13 +2,14 @@
 Android CardView Sample Sample
 ===================================
 
-This sample demonstrates how to use CardView introduced in the support library in Android 5.0.
+This sample demonstrates how to use CardView introduced in the support library in
+Android 5.0.
 
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -32,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/CardView/gradle/wrapper/gradle-wrapper.jar b/ui/views/CardView/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/CardView/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/CardView/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/CardView/gradle/wrapper/gradle-wrapper.properties b/ui/views/CardView/gradle/wrapper/gradle-wrapper.properties
index 349ecb6..ae45383 100644
--- a/ui/views/CardView/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/CardView/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Aug 22 14:55:27 JST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/CardView/gradlew b/ui/views/CardView/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/CardView/gradlew
+++ b/ui/views/CardView/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/CardView/gradlew.bat b/ui/views/CardView/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/CardView/gradlew.bat
+++ b/ui/views/CardView/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/CardView/kotlinApp/Application/build.gradle b/ui/views/CardView/kotlinApp/Application/build.gradle
index f9ba008..a4159be 100644
--- a/ui/views/CardView/kotlinApp/Application/build.gradle
+++ b/ui/views/CardView/kotlinApp/Application/build.gradle
@@ -31,6 +31,6 @@
 
 dependencies {
     implementation'com.android.support:cardview-v7:27.0.2'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$rootProject.ext.kotlinVersion"
     androidTestImplementation "com.android.support.test.espresso:espresso-core:$rootProject.ext.espressoVersion"
 }
diff --git a/ui/views/CardView/kotlinApp/build.gradle b/ui/views/CardView/kotlinApp/build.gradle
index 16922ca..9870e4b 100644
--- a/ui/views/CardView/kotlinApp/build.gradle
+++ b/ui/views/CardView/kotlinApp/build.gradle
@@ -6,7 +6,7 @@
 
         espressoVersion = '3.0.1'
         junitVersion = '4.12'
-        kotlinVersion = '1.2.10'
+        kotlinVersion = '1.3.11'
         supportLibVersion = '27.0.2'
         supportTestVersion = '1.0.1'
     }
@@ -15,7 +15,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
diff --git a/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index a611e63..f941550 100644
--- a/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Dec 14 19:44:05 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
\ No newline at end of file
diff --git a/ui/views/Clipping/ClippingBasic/LICENSE b/ui/views/Clipping/ClippingBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/Clipping/ClippingBasic/LICENSE
+++ b/ui/views/Clipping/ClippingBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/ui/views/Clipping/ClippingBasic/README.md b/ui/views/Clipping/ClippingBasic/README.md
index c68f5a8..da9625c 100644
--- a/ui/views/Clipping/ClippingBasic/README.md
+++ b/ui/views/Clipping/ClippingBasic/README.md
@@ -47,8 +47,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -77,7 +77,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/Clipping/ClippingBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/Clipping/ClippingBasic/gradlew b/ui/views/Clipping/ClippingBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/Clipping/ClippingBasic/gradlew
+++ b/ui/views/Clipping/ClippingBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/Clipping/ClippingBasic/gradlew.bat b/ui/views/Clipping/ClippingBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/Clipping/ClippingBasic/gradlew.bat
+++ b/ui/views/Clipping/ClippingBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/Elevation/ElevationBasic/LICENSE b/ui/views/Elevation/ElevationBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/Elevation/ElevationBasic/LICENSE
+++ b/ui/views/Elevation/ElevationBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
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-
-     Considerations for licensors: Our public licenses are
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diff --git a/ui/views/Elevation/ElevationBasic/README.md b/ui/views/Elevation/ElevationBasic/README.md
index 1405d71..7a59f68 100644
--- a/ui/views/Elevation/ElevationBasic/README.md
+++ b/ui/views/Elevation/ElevationBasic/README.md
@@ -41,8 +41,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -71,7 +71,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.properties
index 1371e51..ae45383 100644
--- a/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/Elevation/ElevationBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon May 19 15:36:48 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/Elevation/ElevationBasic/gradlew b/ui/views/Elevation/ElevationBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/Elevation/ElevationBasic/gradlew
+++ b/ui/views/Elevation/ElevationBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/Elevation/ElevationBasic/gradlew.bat b/ui/views/Elevation/ElevationBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/Elevation/ElevationBasic/gradlew.bat
+++ b/ui/views/Elevation/ElevationBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/Elevation/ElevationDrag/LICENSE b/ui/views/Elevation/ElevationDrag/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/Elevation/ElevationDrag/LICENSE
+++ b/ui/views/Elevation/ElevationDrag/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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-
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-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
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-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
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diff --git a/ui/views/Elevation/ElevationDrag/README.md b/ui/views/Elevation/ElevationDrag/README.md
index 6cad94a..c697bd3 100644
--- a/ui/views/Elevation/ElevationDrag/README.md
+++ b/ui/views/Elevation/ElevationDrag/README.md
@@ -24,8 +24,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -54,7 +54,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.jar b/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.properties b/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/Elevation/ElevationDrag/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/Elevation/ElevationDrag/gradlew b/ui/views/Elevation/ElevationDrag/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/Elevation/ElevationDrag/gradlew
+++ b/ui/views/Elevation/ElevationDrag/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/Elevation/ElevationDrag/gradlew.bat b/ui/views/Elevation/ElevationDrag/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/Elevation/ElevationDrag/gradlew.bat
+++ b/ui/views/Elevation/ElevationDrag/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/FloatingActionButton/FloatingActionButtonBasic/LICENSE b/ui/views/FloatingActionButton/FloatingActionButtonBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/FloatingActionButton/FloatingActionButtonBasic/LICENSE
+++ b/ui/views/FloatingActionButton/FloatingActionButtonBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-other relationship. Creative Commons makes its licenses and related
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-
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-
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-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
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-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
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-     all or a substantial portion of the contents of the database.
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-For the avoidance of doubt, this Section 4 supplements and does not
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-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
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diff --git a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.properties
index 3ba6b0f..ae45383 100644
--- a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Oct 14 12:13:20 MDT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew
+++ b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew.bat b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew.bat
+++ b/ui/views/FloatingActionButton/FloatingActionButtonBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/HorizontalPaging/LICENSE b/ui/views/HorizontalPaging/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/HorizontalPaging/LICENSE
+++ b/ui/views/HorizontalPaging/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
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-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
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-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
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diff --git a/ui/views/HorizontalPaging/README.md b/ui/views/HorizontalPaging/README.md
index 3a14904..2694e66 100644
--- a/ui/views/HorizontalPaging/README.md
+++ b/ui/views/HorizontalPaging/README.md
@@ -30,8 +30,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -60,7 +60,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.jar b/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.properties b/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/HorizontalPaging/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/HorizontalPaging/gradlew b/ui/views/HorizontalPaging/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/HorizontalPaging/gradlew
+++ b/ui/views/HorizontalPaging/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/HorizontalPaging/gradlew.bat b/ui/views/HorizontalPaging/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/HorizontalPaging/gradlew.bat
+++ b/ui/views/HorizontalPaging/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/HorizontalPaging/template-params.xml b/ui/views/HorizontalPaging/template-params.xml
index ba748cc..ab07922 100644
--- a/ui/views/HorizontalPaging/template-params.xml
+++ b/ui/views/HorizontalPaging/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.horizontalpaging</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/views/NavigationDrawer/LICENSE b/ui/views/NavigationDrawer/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/NavigationDrawer/LICENSE
+++ b/ui/views/NavigationDrawer/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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-
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-
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-
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diff --git a/ui/views/NavigationDrawer/README.md b/ui/views/NavigationDrawer/README.md
index 991513b..cb3d430 100644
--- a/ui/views/NavigationDrawer/README.md
+++ b/ui/views/NavigationDrawer/README.md
@@ -8,8 +8,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -33,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.jar b/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.properties b/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.properties
index b7d572b..ae45383 100644
--- a/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/NavigationDrawer/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Jun 09 15:04:51 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/NavigationDrawer/gradlew b/ui/views/NavigationDrawer/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/NavigationDrawer/gradlew
+++ b/ui/views/NavigationDrawer/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/NavigationDrawer/gradlew.bat b/ui/views/NavigationDrawer/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/NavigationDrawer/gradlew.bat
+++ b/ui/views/NavigationDrawer/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/NavigationDrawer/kotlinApp/Application/build.gradle b/ui/views/NavigationDrawer/kotlinApp/Application/build.gradle
index 36d1ab8..eac08d8 100644
--- a/ui/views/NavigationDrawer/kotlinApp/Application/build.gradle
+++ b/ui/views/NavigationDrawer/kotlinApp/Application/build.gradle
@@ -31,5 +31,5 @@
     implementation "com.android.support:appcompat-v7:$rootProject.ext.supportLibVersion"
     implementation "com.android.support:cardview-v7:$rootProject.ext.supportLibVersion"
     implementation "com.android.support:recyclerview-v7:$rootProject.supportLibVersion"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"
-}
\ No newline at end of file
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$rootProject.ext.kotlinVersion"
+}
diff --git a/ui/views/NavigationDrawer/kotlinApp/build.gradle b/ui/views/NavigationDrawer/kotlinApp/build.gradle
index 3b2073b..6c51bcb 100644
--- a/ui/views/NavigationDrawer/kotlinApp/build.gradle
+++ b/ui/views/NavigationDrawer/kotlinApp/build.gradle
@@ -4,7 +4,7 @@
         minSdkVersion = 21
         targetSdkVersion = 27
 
-        kotlinVersion = '1.2.10'
+        kotlinVersion = '1.3.11'
         supportLibVersion = '27.0.2'
     }
     repositories {
@@ -12,7 +12,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
@@ -26,4 +26,4 @@
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
\ No newline at end of file
+}
diff --git a/ui/views/NavigationDrawer/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/views/NavigationDrawer/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index bd46b79..f941550 100644
--- a/ui/views/NavigationDrawer/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/NavigationDrawer/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Jan 09 12:45:11 PST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/ui/views/RecyclerView/.google/packaging.yaml b/ui/views/RecyclerView/.google/packaging.yaml
index b850c52..21c4846 100644
--- a/ui/views/RecyclerView/.google/packaging.yaml
+++ b/ui/views/RecyclerView/.google/packaging.yaml
@@ -1,3 +1,4 @@
+
 # GOOGLE SAMPLE PACKAGING DATA
 #
 # This file is used by Google as part of our samples packaging process.
@@ -5,12 +6,15 @@
 ---
 status:       PUBLISHED
 technologies: [Android]
-categories:   [UI]
+categories:   [UI, Views]
 languages:    [Java]
 solutions:    [Mobile]
 github:       android-RecyclerView
 level:        INTERMEDIATE
-icon:         RecyclerViewSample/src/main/res/drawable-xxhdpi/ic_launcher.png
-doc_refs:
-    - android:preview/material/ui-widgets.html
+icon:         screenshots/icon-web.png
+apiRefs:
+    - android:android.support.v7.widget.RecyclerView
+    - android:android.support.v7.widget.LinearLayoutManager
+    - android:android.support.v7.widget.GridLayoutManager
+    - android:android.support.v7.widget.RecyclerView.ViewHolder
 license: apache2
diff --git a/ui/views/RecyclerView/LICENSE b/ui/views/RecyclerView/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/RecyclerView/LICENSE
+++ b/ui/views/RecyclerView/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
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-
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-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
-
-
-Section 7 -- Other Terms and Conditions.
-
-  a. The Licensor shall not be bound by any additional or different
-     terms or conditions communicated by You unless expressly agreed.
-
-  b. Any arrangements, understandings, or agreements regarding the
-     Licensed Material not stated herein are separate from and
-     independent of the terms and conditions of this Public License.
-
-
-Section 8 -- Interpretation.
-
-  a. For the avoidance of doubt, this Public License does not, and
-     shall not be interpreted to, reduce, limit, restrict, or impose
-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
-
-  b. To the extent possible, if any provision of this Public License is
-     deemed unenforceable, it shall be automatically reformed to the
-     minimum extent necessary to make it enforceable. If the provision
-     cannot be reformed, it shall be severed from this Public License
-     without affecting the enforceability of the remaining terms and
-     conditions.
-
-  c. No term or condition of this Public License will be waived and no
-     failure to comply consented to unless expressly agreed to by the
-     Licensor.
-
-  d. Nothing in this Public License constitutes or may be interpreted
-     as a limitation upon, or waiver of, any privileges and immunities
-     that apply to the Licensor or You, including from the legal
-     processes of any jurisdiction or authority.
-
-=======================================================================
-
-Creative Commons is not a party to its public licenses.
-Notwithstanding, Creative Commons may elect to apply one of its public
-licenses to material it publishes and in those instances will be
-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/ui/views/RecyclerView/README.md b/ui/views/RecyclerView/README.md
index c510491..82bf475 100644
--- a/ui/views/RecyclerView/README.md
+++ b/ui/views/RecyclerView/README.md
@@ -29,8 +29,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 26
-- Android Build Tools v26.0.1
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -59,7 +59,7 @@
 License
 -------
 
-Copyright 2017 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.jar b/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.properties b/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.properties
index 56fe372..ae45383 100644
--- a/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/RecyclerView/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Sep 08 13:53:18 PDT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/RecyclerView/gradlew b/ui/views/RecyclerView/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/RecyclerView/gradlew
+++ b/ui/views/RecyclerView/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/RecyclerView/gradlew.bat b/ui/views/RecyclerView/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/RecyclerView/gradlew.bat
+++ b/ui/views/RecyclerView/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/RecyclerView/kotlinApp/app/build.gradle b/ui/views/RecyclerView/kotlinApp/app/build.gradle
index fd409cf..5a2cdfc 100644
--- a/ui/views/RecyclerView/kotlinApp/app/build.gradle
+++ b/ui/views/RecyclerView/kotlinApp/app/build.gradle
@@ -5,11 +5,11 @@
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.example.android.recyclerview"
         minSdkVersion 14
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -27,8 +27,8 @@
 }
 
 dependencies {
-    implementation "com.android.support:appcompat-v7:27.0.2"
-    implementation 'com.android.support:recyclerview-v7:27.0.2'
+    implementation "com.android.support:appcompat-v7:28.0.0"
+    implementation "com.android.support:recyclerview-v7:28.0.0"
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 }
diff --git a/ui/views/RecyclerView/kotlinApp/build.gradle b/ui/views/RecyclerView/kotlinApp/build.gradle
index c2ff357..ee486a6 100644
--- a/ui/views/RecyclerView/kotlinApp/build.gradle
+++ b/ui/views/RecyclerView/kotlinApp/build.gradle
@@ -1,13 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.1.60'
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.jar b/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.jar
index 13372ae..94336fc 100644
--- a/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index cab792c..ae45383 100644
--- a/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/RecyclerView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Nov 08 08:41:54 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/ui/views/RecyclerView/kotlinApp/gradlew b/ui/views/RecyclerView/kotlinApp/gradlew
index 9d82f78..cccdd3d 100755
--- a/ui/views/RecyclerView/kotlinApp/gradlew
+++ b/ui/views/RecyclerView/kotlinApp/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,42 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -60,6 +24,46 @@
 APP_HOME="`pwd -P`"
 cd "$SAVED" >/dev/null
 
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
@@ -85,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -150,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/RecyclerView/kotlinApp/gradlew.bat b/ui/views/RecyclerView/kotlinApp/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/RecyclerView/kotlinApp/gradlew.bat
+++ b/ui/views/RecyclerView/kotlinApp/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/RecyclerView/template-params.xml b/ui/views/RecyclerView/template-params.xml
index 2634a07..b221221 100644
--- a/ui/views/RecyclerView/template-params.xml
+++ b/ui/views/RecyclerView/template-params.xml
@@ -25,7 +25,7 @@
     <dependency>com.android.support:recyclerview-v7:24.0.0</dependency>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/ui/views/RevealEffect/RevealEffectBasic/LICENSE b/ui/views/RevealEffect/RevealEffectBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/RevealEffect/RevealEffectBasic/LICENSE
+++ b/ui/views/RevealEffect/RevealEffectBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
-
-Using Creative Commons Public Licenses
-
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
-
-     Considerations for licensors: Our public licenses are
-     intended for use by those authorized to give the public
-     permission to use material in ways otherwise restricted by
-     copyright and certain other rights. Our licenses are
-     irrevocable. Licensors should read and understand the terms
-     and conditions of the license they choose before applying it.
-     Licensors should also secure all rights necessary before
-     applying our licenses so that the public can reuse the
-     material as expected. Licensors should clearly mark any
-     material not subject to the license. This includes other CC-
-     licensed material, or material used under an exception or
-     limitation to copyright. More considerations for licensors:
-	wiki.creativecommons.org/Considerations_for_licensors
-
-     Considerations for the public: By using one of our public
-     licenses, a licensor grants the public permission to use the
-     licensed material under specified terms and conditions. If
-     the licensor's permission is not necessary for any reason--for
-     example, because of any applicable exception or limitation to
-     copyright--then that use is not regulated by the license. Our
-     licenses grant only permissions under copyright and certain
-     other rights that a licensor has authority to grant. Use of
-     the licensed material may still be restricted for other
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-     rights in the material. A licensor may make special requests,
-     such as asking that all changes be marked or described.
-     Although not required by our licenses, you are encouraged to
-     respect those requests where reasonable. More_considerations
-     for the public: 
-	wiki.creativecommons.org/Considerations_for_licensees
-
-=======================================================================
-
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
-
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
-("Public License"). To the extent this Public License may be
-interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
-
-
-Section 1 -- Definitions.
-
-  a. Adapted Material means material subject to Copyright and Similar
-     Rights that is derived from or based upon the Licensed Material
-     and in which the Licensed Material is translated, altered,
-     arranged, transformed, or otherwise modified in a manner requiring
-     permission under the Copyright and Similar Rights held by the
-     Licensor. For purposes of this Public License, where the Licensed
-     Material is a musical work, performance, or sound recording,
-     Adapted Material is always produced where the Licensed Material is
-     synched in timed relation with a moving image.
-
-  b. Adapter's License means the license You apply to Your Copyright
-     and Similar Rights in Your contributions to Adapted Material in
-     accordance with the terms and conditions of this Public License.
-
-  c. BY-NC-SA Compatible License means a license listed at
-     creativecommons.org/compatiblelicenses, approved by Creative
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diff --git a/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/RevealEffect/RevealEffectBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/RevealEffect/RevealEffectBasic/gradlew b/ui/views/RevealEffect/RevealEffectBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/RevealEffect/RevealEffectBasic/gradlew
+++ b/ui/views/RevealEffect/RevealEffectBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/RevealEffect/RevealEffectBasic/gradlew.bat b/ui/views/RevealEffect/RevealEffectBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/RevealEffect/RevealEffectBasic/gradlew.bat
+++ b/ui/views/RevealEffect/RevealEffectBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/LICENSE b/ui/views/SlidingTabs/SlidingTabsBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/SlidingTabs/SlidingTabsBasic/LICENSE
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
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diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/README.md b/ui/views/SlidingTabs/SlidingTabsBasic/README.md
index 4830f0c..39aae3a 100644
--- a/ui/views/SlidingTabs/SlidingTabsBasic/README.md
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/README.md
@@ -8,8 +8,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -33,7 +33,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.properties
index f8e553a..ae45383 100644
--- a/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Feb 06 10:46:09 GMT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/gradlew b/ui/views/SlidingTabs/SlidingTabsBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/SlidingTabs/SlidingTabsBasic/gradlew
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/SlidingTabs/SlidingTabsBasic/gradlew.bat b/ui/views/SlidingTabs/SlidingTabsBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/SlidingTabs/SlidingTabsBasic/gradlew.bat
+++ b/ui/views/SlidingTabs/SlidingTabsBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SlidingTabs/SlidingTabsColors/LICENSE b/ui/views/SlidingTabs/SlidingTabsColors/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/SlidingTabs/SlidingTabsColors/LICENSE
+++ b/ui/views/SlidingTabs/SlidingTabsColors/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
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diff --git a/ui/views/SlidingTabs/SlidingTabsColors/README.md b/ui/views/SlidingTabs/SlidingTabsColors/README.md
index 5cc3ca9..9169b54 100644
--- a/ui/views/SlidingTabs/SlidingTabsColors/README.md
+++ b/ui/views/SlidingTabs/SlidingTabsColors/README.md
@@ -25,8 +25,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -55,7 +55,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.jar b/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.properties b/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.properties
index 28a52c6..ae45383 100644
--- a/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/SlidingTabs/SlidingTabsColors/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Feb 06 11:07:10 GMT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/SlidingTabs/SlidingTabsColors/gradlew b/ui/views/SlidingTabs/SlidingTabsColors/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/SlidingTabs/SlidingTabsColors/gradlew
+++ b/ui/views/SlidingTabs/SlidingTabsColors/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/SlidingTabs/SlidingTabsColors/gradlew.bat b/ui/views/SlidingTabs/SlidingTabsColors/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/SlidingTabs/SlidingTabsColors/gradlew.bat
+++ b/ui/views/SlidingTabs/SlidingTabsColors/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/LICENSE b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/LICENSE
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
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diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/README.md b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/README.md
index 9fa2f5a..4013dd1 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/README.md
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/README.md
@@ -9,8 +9,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -34,7 +34,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.jar b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.properties b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.properties
index 7a0d3e9..ae45383 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Apr 03 10:27:29 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew.bat b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew.bat
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshLayoutBasic/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/LICENSE b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/LICENSE
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
-Attribution-NonCommercial-ShareAlike 4.0 International
-
-=======================================================================
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diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/README.md b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/README.md
index 85840ea..0fa1b05 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/README.md
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/README.md
@@ -23,8 +23,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -53,7 +53,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.jar b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.properties b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew.bat b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew.bat
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshListFragment/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/LICENSE b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/LICENSE
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
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-
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diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/README.md b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/README.md
index f57a8ab..9bcd503 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/README.md
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/README.md
@@ -10,8 +10,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -35,7 +35,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.jar b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.properties b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew.bat b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew.bat
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/template-params.xml b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/template-params.xml
index c466403..ad1ad5e 100644
--- a/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/template-params.xml
+++ b/ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews/template-params.xml
@@ -23,7 +23,7 @@
     <package>com.example.android.swiperefreshmultipleviews</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>9</minSdk>
+    <minSdk>14</minSdk>
     <strings>
         <intro>
             <![CDATA[
diff --git a/ui/views/TextSwitcher/LICENSE b/ui/views/TextSwitcher/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/views/TextSwitcher/LICENSE
+++ b/ui/views/TextSwitcher/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
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-
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-----------------
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-
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diff --git a/ui/views/TextSwitcher/README.md b/ui/views/TextSwitcher/README.md
index ec1af64..a2988e9 100644
--- a/ui/views/TextSwitcher/README.md
+++ b/ui/views/TextSwitcher/README.md
@@ -22,8 +22,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -52,7 +52,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.jar b/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.properties b/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/views/TextSwitcher/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/views/TextSwitcher/gradlew b/ui/views/TextSwitcher/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/views/TextSwitcher/gradlew
+++ b/ui/views/TextSwitcher/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/views/TextSwitcher/gradlew.bat b/ui/views/TextSwitcher/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/views/TextSwitcher/gradlew.bat
+++ b/ui/views/TextSwitcher/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/views/TextSwitcher/template-params.xml b/ui/views/TextSwitcher/template-params.xml
index b57e228..b0d7982 100644
--- a/ui/views/TextSwitcher/template-params.xml
+++ b/ui/views/TextSwitcher/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.textswitcher</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/ui/window/AdvancedImmersiveMode/Application/build.gradle b/ui/window/AdvancedImmersiveMode/Application/build.gradle
index 689f440..4782123 100644
--- a/ui/window/AdvancedImmersiveMode/Application/build.gradle
+++ b/ui/window/AdvancedImmersiveMode/Application/build.gradle
@@ -1,26 +1,35 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
-    compile "com.android.support:support-v4:26.1.0"
-    compile "com.android.support:support-v13:26.1.0"
-    compile "com.android.support:cardview-v7:26.1.0"
-    compile "com.android.support:appcompat-v7:26.1.0"
+
+
+        implementation "com.android.support:support-v4:28.0.0"
+        implementation "com.android.support:support-v13:28.0.0"
+        implementation "com.android.support:cardview-v7:28.0.0"
+        implementation "com.android.support:appcompat-v7:28.0.0"
+
+
+
+
+
+
 }
 
 // The sample build uses multiple directories to
@@ -32,14 +41,11 @@
     'template'] // boilerplate code that is generated by the sample template process
 
 android {
-
-    compileSdkVersion 26
-
-    buildToolsVersion "26.0.1"
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 19
-        targetSdkVersion 26
+        targetSdkVersion 28
     }
 
     compileOptions {
diff --git a/ui/window/AdvancedImmersiveMode/Application/src/main/AndroidManifest.xml b/ui/window/AdvancedImmersiveMode/Application/src/main/AndroidManifest.xml
index a96ebb4..9dec18d 100644
--- a/ui/window/AdvancedImmersiveMode/Application/src/main/AndroidManifest.xml
+++ b/ui/window/AdvancedImmersiveMode/Application/src/main/AndroidManifest.xml
@@ -34,8 +34,7 @@
     <application
         android:allowBackup="true"
         android:label="@string/app_name"
-        android:icon="@drawable/ic_launcher"
-        android:theme="@style/AppTheme">
+        android:icon="@drawable/ic_launcher">
 
         <!-- Every activity needs its own Manifest element.  The intent-filter contained in the
              element declares the intents that can be used to activate this Activity.  For instance,
diff --git a/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml b/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml
index 6cfd28c..27bb081 100644
--- a/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml
+++ b/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml
@@ -24,4 +24,4 @@
     <string name="common_flag_presets">Common flag presets</string>
     <string name="immersive_mode">Immersive Mode</string>
     <string name="leanback_mode">Leanback Mode</string>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/ui/window/AdvancedImmersiveMode/LICENSE b/ui/window/AdvancedImmersiveMode/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/window/AdvancedImmersiveMode/LICENSE
+++ b/ui/window/AdvancedImmersiveMode/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
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diff --git a/ui/window/AdvancedImmersiveMode/README.md b/ui/window/AdvancedImmersiveMode/README.md
index 895d62a..431af60 100644
--- a/ui/window/AdvancedImmersiveMode/README.md
+++ b/ui/window/AdvancedImmersiveMode/README.md
@@ -26,8 +26,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -56,7 +56,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/window/AdvancedImmersiveMode/gradle.properties b/ui/window/AdvancedImmersiveMode/gradle.properties
new file mode 100644
index 0000000..0bc4294
--- /dev/null
+++ b/ui/window/AdvancedImmersiveMode/gradle.properties
@@ -0,0 +1,20 @@
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
diff --git a/ui/window/AdvancedImmersiveMode/gradle/wrapper/gradle-wrapper.properties b/ui/window/AdvancedImmersiveMode/gradle/wrapper/gradle-wrapper.properties
index 064a15c..f941550 100644
--- a/ui/window/AdvancedImmersiveMode/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/AdvancedImmersiveMode/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Feb 11 09:26:00 PST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/window/BasicImmersiveMode/LICENSE b/ui/window/BasicImmersiveMode/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/window/BasicImmersiveMode/LICENSE
+++ b/ui/window/BasicImmersiveMode/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
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-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
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-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
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diff --git a/ui/window/BasicImmersiveMode/README.md b/ui/window/BasicImmersiveMode/README.md
index 782ecc7..248c6ff 100644
--- a/ui/window/BasicImmersiveMode/README.md
+++ b/ui/window/BasicImmersiveMode/README.md
@@ -19,8 +19,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -49,7 +49,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.jar b/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.properties b/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/BasicImmersiveMode/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/window/BasicImmersiveMode/gradlew b/ui/window/BasicImmersiveMode/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/window/BasicImmersiveMode/gradlew
+++ b/ui/window/BasicImmersiveMode/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/window/BasicImmersiveMode/gradlew.bat b/ui/window/BasicImmersiveMode/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/window/BasicImmersiveMode/gradlew.bat
+++ b/ui/window/BasicImmersiveMode/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/window/DragAndDropAcrossApps/DragSource/build.gradle b/ui/window/DragAndDropAcrossApps/DragSource/build.gradle
index 81b100f..a2722b3 100644
--- a/ui/window/DragAndDropAcrossApps/DragSource/build.gradle
+++ b/ui/window/DragAndDropAcrossApps/DragSource/build.gradle
@@ -15,24 +15,25 @@
  */
 buildscript {
     repositories {
+        google()
+        mavenCentral()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 28
 
     defaultConfig {
         applicationId "com.example.android.dragsource"
         minSdkVersion 24
-        targetSdkVersion 24
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
     }
@@ -45,8 +46,7 @@
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:24.1.1'
-    compile 'com.android.support:support-v13:24.1.1'
+    compile 'com.android.support:appcompat-v7:28.0.0'
+    compile 'com.android.support:support-v13:28.0.0'
 
 }
diff --git a/ui/window/DragAndDropAcrossApps/DropTarget/build.gradle b/ui/window/DragAndDropAcrossApps/DropTarget/build.gradle
index 7dc387a..06745ad 100644
--- a/ui/window/DragAndDropAcrossApps/DropTarget/build.gradle
+++ b/ui/window/DragAndDropAcrossApps/DropTarget/build.gradle
@@ -16,24 +16,25 @@
 
 buildscript {
     repositories {
+        google()
+        mavenCentral()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 28
 
     defaultConfig {
         applicationId "com.example.android.droptarget"
         minSdkVersion 24
-        targetSdkVersion 24
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
     }
@@ -46,7 +47,6 @@
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:24.0.0'
-    compile 'com.android.support:support-v13:24.0.0'
+    compile 'com.android.support:appcompat-v7:28.0.0'
+    compile 'com.android.support:support-v13:28.0.0'
 }
diff --git a/ui/window/DragAndDropAcrossApps/README.md b/ui/window/DragAndDropAcrossApps/README.md
index 4c49eeb..5b045f8 100644
--- a/ui/window/DragAndDropAcrossApps/README.md
+++ b/ui/window/DragAndDropAcrossApps/README.md
@@ -14,15 +14,15 @@
 ------------
 
 Android N introduces support for drag and drop between applications,
-augmenting the existing APIs that have enabled this within a single 
+augmenting the existing APIs that have enabled this within a single
 window before.
 
-To start a drag operation you need to call `View.startDragAndDrop`. 
+To start a drag operation you need to call `View.startDragAndDrop`.
 Which gesture or action triggers this is up to you as an app developer.
-The API guide recommends doing this from 
+The API guide recommends doing this from
 `View.OnLongClickListener.onLongClick` and this seems to be the de-facto
-standard, but you are free to use other gestures (single tap, tap and drag 
-etc). 
+standard, but you are free to use other gestures (single tap, tap and drag
+etc).
 However, if you go for a unconventional drag start gesture, note that
 the framework implementation assumes that the pointer (touch or mouse)
 is down while the drag is starting, and the most recent touch/click
@@ -34,24 +34,24 @@
 
 By default a drag and drop operation is constrained by the window
 containing the view that started the drag.
-To enable cross-window and cross-app drag and drop add 
+To enable cross-window and cross-app drag and drop add
 `View.DRAG_FLAG_GLOBAL` to the flags passed to the `View.startDragAndDrop`
-call. 
+call.
 
-If a Uri requiring permission grants is being sent, then the 
-`android.view.View.DRAG_FLAG_GLOBAL_URI_READ` and/or the 
+If a Uri requiring permission grants is being sent, then the
+`android.view.View.DRAG_FLAG_GLOBAL_URI_READ` and/or the
 `android.view.View.DRAG_FLAG_GLOBAL_URI_WRITE` flags must be used also.
 To access content URIs requiring permissions on the receiving side, the target
 app needs to request the `android.view.DropPermissions` from the activity via
-`android.app.Activity.requestDropPermissions`. This permission will stay either 
+`android.app.Activity.requestDropPermissions`. This permission will stay either
 until the activity is alive, or until the `release()` method is called on the
 `android.view.DropPermissions` object.
 
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -80,7 +80,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/window/DragAndDropAcrossApps/build.gradle b/ui/window/DragAndDropAcrossApps/build.gradle
index e5fd788..37fe656 100644
--- a/ui/window/DragAndDropAcrossApps/build.gradle
+++ b/ui/window/DragAndDropAcrossApps/build.gradle
@@ -1,4 +1,10 @@
 
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
 
 /*
  * Copyright 2016, The Android Open Source Project
diff --git a/ui/window/DragAndDropAcrossApps/gradle/wrapper/gradle-wrapper.properties b/ui/window/DragAndDropAcrossApps/gradle/wrapper/gradle-wrapper.properties
index 6ecb12e..f941550 100644
--- a/ui/window/DragAndDropAcrossApps/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/DragAndDropAcrossApps/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon May 02 14:15:55 AEST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/window/ImmersiveMode/LICENSE b/ui/window/ImmersiveMode/LICENSE
index 4f22946..d5cf8f3 100644
--- a/ui/window/ImmersiveMode/LICENSE
+++ b/ui/window/ImmersiveMode/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
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-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
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-
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-considered the "Licensor." Except for the limited purpose of indicating
-that material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the public
-licenses.
-
-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/ui/window/ImmersiveMode/README.md b/ui/window/ImmersiveMode/README.md
index a457243..0905c95 100644
--- a/ui/window/ImmersiveMode/README.md
+++ b/ui/window/ImmersiveMode/README.md
@@ -9,8 +9,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Getting Started
@@ -34,7 +34,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.jar b/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.properties b/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/ImmersiveMode/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/window/ImmersiveMode/gradlew b/ui/window/ImmersiveMode/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/window/ImmersiveMode/gradlew
+++ b/ui/window/ImmersiveMode/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/window/ImmersiveMode/gradlew.bat b/ui/window/ImmersiveMode/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/window/ImmersiveMode/gradlew.bat
+++ b/ui/window/ImmersiveMode/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/window/ImmersiveMode/template-params.xml b/ui/window/ImmersiveMode/template-params.xml
index da1e511..4d18725 100644
--- a/ui/window/ImmersiveMode/template-params.xml
+++ b/ui/window/ImmersiveMode/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.immersivemode</package>
     
     <!--TODO: change minSdk if needed-->
-    <minSdk>11</minSdk>
+    <minSdk>14</minSdk>
 
 
     <strings>
diff --git a/ui/window/MultiWindowPlayground/Application/build.gradle b/ui/window/MultiWindowPlayground/Application/build.gradle
index f197d17..c2a60ee 100644
--- a/ui/window/MultiWindowPlayground/Application/build.gradle
+++ b/ui/window/MultiWindowPlayground/Application/build.gradle
@@ -16,16 +16,18 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
@@ -33,13 +35,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion '23.0.3'
+    compileSdkVersion 27
 
     defaultConfig {
         applicationId "com.android.multiwindowplayground"
         minSdkVersion 24
-        targetSdkVersion 24
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -60,7 +61,7 @@
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:24.0.0-beta1'
-    androidTestCompile 'com.android.support:support-annotations:24.0.0-beta1'
+    compile 'com.android.support:appcompat-v7:27.0.0'
+    androidTestCompile 'com.android.support:support-annotations:27.0.0'
     androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1'
 }
diff --git a/ui/window/MultiWindowPlayground/README.md b/ui/window/MultiWindowPlayground/README.md
index b58b285..d0889ab 100644
--- a/ui/window/MultiWindowPlayground/README.md
+++ b/ui/window/MultiWindowPlayground/README.md
@@ -49,13 +49,13 @@
 --------------
 
 - Android SDK 24
-- Android Build Tools v26.0.1
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
 -------------
 
-<img src="screenshots/main.png" height="400" alt="Screenshot"/>
+<img src="screenshots/main.png" height="400" alt="Screenshot"/> 
 
 Getting Started
 ---------------
@@ -78,7 +78,7 @@
 License
 -------
 
-Copyright 2017 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.jar b/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.jar
+++ b/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.properties b/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.properties
index fc5d442..ae45383 100644
--- a/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/MultiWindowPlayground/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 28 10:00:20 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/ui/window/MultiWindowPlayground/gradlew b/ui/window/MultiWindowPlayground/gradlew
index 91a7e26..cccdd3d 100755
--- a/ui/window/MultiWindowPlayground/gradlew
+++ b/ui/window/MultiWindowPlayground/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/ui/window/MultiWindowPlayground/gradlew.bat b/ui/window/MultiWindowPlayground/gradlew.bat
index aec9973..e95643d 100644
--- a/ui/window/MultiWindowPlayground/gradlew.bat
+++ b/ui/window/MultiWindowPlayground/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/ui/window/MultiWindowPlayground/kotlinApp/Application/build.gradle b/ui/window/MultiWindowPlayground/kotlinApp/Application/build.gradle
index c5b64a9..41383f0 100644
--- a/ui/window/MultiWindowPlayground/kotlinApp/Application/build.gradle
+++ b/ui/window/MultiWindowPlayground/kotlinApp/Application/build.gradle
@@ -21,5 +21,5 @@
 
 dependencies {
     implementation "com.android.support:appcompat-v7:27.0.2"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
diff --git a/ui/window/MultiWindowPlayground/kotlinApp/build.gradle b/ui/window/MultiWindowPlayground/kotlinApp/build.gradle
index 6b3af00..6561094 100644
--- a/ui/window/MultiWindowPlayground/kotlinApp/build.gradle
+++ b/ui/window/MultiWindowPlayground/kotlinApp/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.3.11'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/ui/window/MultiWindowPlayground/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/window/MultiWindowPlayground/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 71a62b5..f941550 100644
--- a/ui/window/MultiWindowPlayground/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/ui/window/MultiWindowPlayground/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 28 10:00:20 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
\ No newline at end of file
diff --git a/views/EmojiCompat/build.gradle b/views/EmojiCompat/build.gradle
index 4858114..d0131ad 100644
--- a/views/EmojiCompat/build.gradle
+++ b/views/EmojiCompat/build.gradle
@@ -20,7 +20,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
diff --git a/views/EmojiCompat/gradle/wrapper/gradle-wrapper.properties b/views/EmojiCompat/gradle/wrapper/gradle-wrapper.properties
index 947a175..f941550 100644
--- a/views/EmojiCompat/gradle/wrapper/gradle-wrapper.properties
+++ b/views/EmojiCompat/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 10 16:54:15 JST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/views/EmojiCompat/kotlinApp/app/build.gradle b/views/EmojiCompat/kotlinApp/app/build.gradle
index de2074b..b6ca675 100644
--- a/views/EmojiCompat/kotlinApp/app/build.gradle
+++ b/views/EmojiCompat/kotlinApp/app/build.gradle
@@ -16,7 +16,7 @@
 
 buildscript {
     ext {
-        kotlin_version = '1.1.3-2'
+        kotlin_version = '1.3.11'
     }
     repositories {
         jcenter()
@@ -29,20 +29,15 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
-ext {
-    supportLibVersion = '26.0.0'
-}
-
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.0'
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.example.android.emojicompat"
         minSdkVersion 19
-        targetSdkVersion 26
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -50,21 +45,19 @@
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-    configurations.all {
-        resolutionStrategy.force "com.android.support:support-annotations:$supportLibVersion"
-    }
 }
 
 dependencies {
     // Support Libraries
-    compile "com.android.support:appcompat-v7:$supportLibVersion"
-    compile "com.android.support:support-emoji:$supportLibVersion"
-    compile "com.android.support:support-emoji-appcompat:$supportLibVersion"
-    compile "com.android.support:support-emoji-bundled:$supportLibVersion"
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.emoji:emoji:1.0.0'
+    implementation 'androidx.emoji:emoji-appcompat:1.0.0'
+    implementation 'androidx.emoji:emoji-bundled:1.0.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
     // Test
-    testCompile 'junit:junit:4.12'
-    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    androidTestImplementation "androidx.test.espresso:espresso-intents:3.1.1"
 
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    testImplementation 'junit:junit:4.12'
 }
diff --git a/views/EmojiCompat/kotlinApp/app/src/androidTest/java/com/example/android/emojicompat/MainActivityTest.kt b/views/EmojiCompat/kotlinApp/app/src/androidTest/java/com/example/android/emojicompat/MainActivityTest.kt
index e4f93d5..c7fadea 100644
--- a/views/EmojiCompat/kotlinApp/app/src/androidTest/java/com/example/android/emojicompat/MainActivityTest.kt
+++ b/views/EmojiCompat/kotlinApp/app/src/androidTest/java/com/example/android/emojicompat/MainActivityTest.kt
@@ -16,19 +16,15 @@
 
 package com.example.android.emojicompat
 
-import android.support.test.espresso.Espresso.onView
-import android.support.test.espresso.assertion.ViewAssertions.matches
-import android.support.test.espresso.matcher.ViewMatchers.isDisplayed
-import android.support.test.espresso.matcher.ViewMatchers.withText
-import android.support.test.filters.MediumTest
-import android.support.test.rule.ActivityTestRule
-import android.support.test.runner.AndroidJUnit4
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
+import androidx.test.espresso.matcher.ViewMatchers.withText
+import androidx.test.filters.MediumTest
+import androidx.test.rule.ActivityTestRule
 import org.junit.Rule
 import org.junit.Test
-import org.junit.runner.RunWith
 
-
-@RunWith(AndroidJUnit4::class)
 class MainActivityTest {
 
     @Rule @JvmField
diff --git a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/CustomTextView.kt b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/CustomTextView.kt
index dccf739..de1190f 100644
--- a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/CustomTextView.kt
+++ b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/CustomTextView.kt
@@ -17,8 +17,8 @@
 package com.example.android.emojicompat
 
 import android.content.Context
-import android.support.text.emoji.widget.EmojiTextViewHelper
-import android.support.v7.widget.AppCompatTextView
+import androidx.emoji.widget.EmojiTextViewHelper
+import androidx.appcompat.widget.AppCompatTextView
 import android.text.InputFilter
 import android.util.AttributeSet
 
diff --git a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/EmojiCompatApplication.kt b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/EmojiCompatApplication.kt
index f51a945..9fe29c5 100644
--- a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/EmojiCompatApplication.kt
+++ b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/EmojiCompatApplication.kt
@@ -17,10 +17,10 @@
 package com.example.android.emojicompat
 
 import android.app.Application
-import android.support.text.emoji.EmojiCompat
-import android.support.text.emoji.FontRequestEmojiCompatConfig
-import android.support.text.emoji.bundled.BundledEmojiCompatConfig
-import android.support.v4.provider.FontRequest
+import androidx.emoji.text.EmojiCompat
+import androidx.emoji.text.FontRequestEmojiCompatConfig
+import androidx.emoji.bundled.BundledEmojiCompatConfig
+import androidx.core.provider.FontRequest
 import android.util.Log
 
 
diff --git a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/MainActivity.kt b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/MainActivity.kt
index b23c800..34520ba 100644
--- a/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/MainActivity.kt
+++ b/views/EmojiCompat/kotlinApp/app/src/main/java/com/example/android/emojicompat/MainActivity.kt
@@ -17,8 +17,8 @@
 package com.example.android.emojicompat
 
 import android.os.Bundle
-import android.support.text.emoji.EmojiCompat
-import android.support.v7.app.AppCompatActivity
+import androidx.emoji.text.EmojiCompat
+import androidx.appcompat.app.AppCompatActivity
 import android.widget.TextView
 import java.lang.ref.WeakReference
 
diff --git a/views/EmojiCompat/kotlinApp/app/src/main/res/layout/activity_main.xml b/views/EmojiCompat/kotlinApp/app/src/main/res/layout/activity_main.xml
index 5be684f..af84c62 100644
--- a/views/EmojiCompat/kotlinApp/app/src/main/res/layout/activity_main.xml
+++ b/views/EmojiCompat/kotlinApp/app/src/main/res/layout/activity_main.xml
@@ -30,21 +30,21 @@
         android:orientation="vertical"
         android:padding="@dimen/spacing_normal">
 
-        <android.support.text.emoji.widget.EmojiAppCompatTextView
+        <androidx.emoji.widget.EmojiAppCompatTextView
             android:id="@+id/emoji_text_view"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="@dimen/spacing_small"
             android:textSize="@dimen/text_size"/>
 
-        <android.support.text.emoji.widget.EmojiAppCompatEditText
+        <androidx.emoji.widget.EmojiAppCompatEditText
             android:id="@+id/emoji_edit_text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="@dimen/spacing_small"
             android:textSize="@dimen/text_size"/>
 
-        <android.support.text.emoji.widget.EmojiAppCompatButton
+        <androidx.emoji.widget.EmojiAppCompatButton
             android:id="@+id/emoji_button"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
diff --git a/views/EmojiCompat/kotlinApp/build.gradle b/views/EmojiCompat/kotlinApp/build.gradle
index 2c5482b..1b3412c 100644
--- a/views/EmojiCompat/kotlinApp/build.gradle
+++ b/views/EmojiCompat/kotlinApp/build.gradle
@@ -16,17 +16,18 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/views/EmojiCompat/kotlinApp/gradle.properties b/views/EmojiCompat/kotlinApp/gradle.properties
index aac7c9b..9e6fce1 100644
--- a/views/EmojiCompat/kotlinApp/gradle.properties
+++ b/views/EmojiCompat/kotlinApp/gradle.properties
@@ -9,6 +9,8 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.
diff --git a/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.jar b/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.jar
index 13372ae..94336fc 100644
--- a/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.jar
+++ b/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.properties
index 947a175..ae45383 100644
--- a/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.properties
+++ b/views/EmojiCompat/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 10 16:54:15 JST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/views/EmojiCompat/kotlinApp/gradlew b/views/EmojiCompat/kotlinApp/gradlew
index 9d82f78..cccdd3d 100755
--- a/views/EmojiCompat/kotlinApp/gradlew
+++ b/views/EmojiCompat/kotlinApp/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,42 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -60,6 +24,46 @@
 APP_HOME="`pwd -P`"
 cd "$SAVED" >/dev/null
 
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
@@ -85,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -150,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/views/EmojiCompat/kotlinApp/gradlew.bat b/views/EmojiCompat/kotlinApp/gradlew.bat
index aec9973..e95643d 100644
--- a/views/EmojiCompat/kotlinApp/gradlew.bat
+++ b/views/EmojiCompat/kotlinApp/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/views/TextLinkify/LICENSE b/views/TextLinkify/LICENSE
index 4f22946..d5cf8f3 100644
--- a/views/TextLinkify/LICENSE
+++ b/views/TextLinkify/LICENSE
@@ -201,447 +201,3 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-
-All image and audio files (including *.png, *.jpg, *.svg, *.mp3, *.wav 
-and *.ogg) are licensed under the CC-BY-NC license. All other files are 
-licensed under the Apache 2 license.
-
-CC-BY-NC License
-----------------
-
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-
-=======================================================================
-
-Creative Commons Corporation ("Creative Commons") is not a law firm and
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-     In addition to the conditions in Section 3(a), if You Share
-     Adapted Material You produce, the following conditions also apply.
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-     Rights (but not its individual contents) is Adapted Material,
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-     all or a substantial portion of the contents of the database.
-
-For the avoidance of doubt, this Section 4 supplements and does not
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-Rights include other Copyright and Similar Rights.
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-Section 5 -- Disclaimer of Warranties and Limitation of Liability.
-
-  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
-     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
-     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
-     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
-     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
-     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
-     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
-     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
-     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
-     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
-
-  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
-     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
-     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
-     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
-     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
-     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
-     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
-     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
-     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
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-  c. The disclaimer of warranties and limitation of liability provided
-     above shall be interpreted in a manner that, to the extent
-     possible, most closely approximates an absolute disclaimer and
-     waiver of all liability.
-
-
-Section 6 -- Term and Termination.
-
-  a. This Public License applies for the term of the Copyright and
-     Similar Rights licensed here. However, if You fail to comply with
-     this Public License, then Your rights under this Public License
-     terminate automatically.
-
-  b. Where Your right to use the Licensed Material has terminated under
-     Section 6(a), it reinstates:
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-       1. automatically as of the date the violation is cured, provided
-          it is cured within 30 days of Your discovery of the
-          violation; or
-
-       2. upon express reinstatement by the Licensor.
-
-     For the avoidance of doubt, this Section 6(b) does not affect any
-     right the Licensor may have to seek remedies for Your violations
-     of this Public License.
-
-  c. For the avoidance of doubt, the Licensor may also offer the
-     Licensed Material under separate terms or conditions or stop
-     distributing the Licensed Material at any time; however, doing so
-     will not terminate this Public License.
-
-  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
-     License.
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-Section 7 -- Other Terms and Conditions.
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-     Licensed Material not stated herein are separate from and
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-Section 8 -- Interpretation.
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-     conditions on any use of the Licensed Material that could lawfully
-     be made without permission under this Public License.
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-licenses.
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-Creative Commons may be contacted at creativecommons.org.
-
diff --git a/views/TextLinkify/README.md b/views/TextLinkify/README.md
index a97e401..7b334c7 100644
--- a/views/TextLinkify/README.md
+++ b/views/TextLinkify/README.md
@@ -32,8 +32,8 @@
 Pre-requisites
 --------------
 
-- Android SDK 24
-- Android Build Tools v24.0.2
+- Android SDK 28
+- Android Build Tools v28.0.3
 - Android Support Repository
 
 Screenshots
@@ -62,7 +62,7 @@
 License
 -------
 
-Copyright 2016 The Android Open Source Project, Inc.
+Copyright 2019 The Android Open Source Project, Inc.
 
 Licensed to the Apache Software Foundation (ASF) under one or more contributor
 license agreements.  See the NOTICE file distributed with this work for
diff --git a/views/TextLinkify/gradle/wrapper/gradle-wrapper.jar b/views/TextLinkify/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/views/TextLinkify/gradle/wrapper/gradle-wrapper.jar
+++ b/views/TextLinkify/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/views/TextLinkify/gradle/wrapper/gradle-wrapper.properties b/views/TextLinkify/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/views/TextLinkify/gradle/wrapper/gradle-wrapper.properties
+++ b/views/TextLinkify/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/views/TextLinkify/gradlew b/views/TextLinkify/gradlew
index 91a7e26..cccdd3d 100755
--- a/views/TextLinkify/gradlew
+++ b/views/TextLinkify/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/views/TextLinkify/gradlew.bat b/views/TextLinkify/gradlew.bat
index aec9973..e95643d 100644
--- a/views/TextLinkify/gradlew.bat
+++ b/views/TextLinkify/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/views/TextLinkify/template-params.xml b/views/TextLinkify/template-params.xml
index de4d5f7..401b393 100644
--- a/views/TextLinkify/template-params.xml
+++ b/views/TextLinkify/template-params.xml
@@ -21,7 +21,7 @@
     <package>com.example.android.textlinkify</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>7</minSdk>
+    <minSdk>14</minSdk>
 
     <strings>
         <intro>
diff --git a/wearable/wear/AlwaysOn/Wearable/build.gradle b/wearable/wear/AlwaysOn/Wearable/build.gradle
index 11f813b..6faf2d1 100644
--- a/wearable/wear/AlwaysOn/Wearable/build.gradle
+++ b/wearable/wear/AlwaysOn/Wearable/build.gradle
@@ -1,35 +1,36 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
 
 dependencies {
 
-    implementation 'com.android.support:wear:27.1.0'
+    implementation 'com.android.support:wear:27.1.1'
 
 
     implementation 'com.google.android.gms:play-services-wearable:15.0.1'
-    implementation 'com.android.support:support-v13:27.1.1'
 
-    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+    implementation 'com.android.support:support-v13:28.0.0'
 
-    implementation 'com.google.android.support:wearable:2.3.0'
+    compileOnly 'com.google.android.wearable:wearable:2.4.0'
+
+    implementation 'com.google.android.support:wearable:2.4.0'
 
 }
 
@@ -43,9 +44,9 @@
 
 android {
 
-    compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         versionCode 1
diff --git a/wearable/wear/AlwaysOn/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/AlwaysOn/gradle/wrapper/gradle-wrapper.properties
index 2ceef03..f941550 100644
--- a/wearable/wear/AlwaysOn/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/AlwaysOn/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 22 11:24:44 EST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/AlwaysOn/template-params.xml b/wearable/wear/AlwaysOn/template-params.xml
index 5136ef5..b7ad4e7 100644
--- a/wearable/wear/AlwaysOn/template-params.xml
+++ b/wearable/wear/AlwaysOn/template-params.xml
@@ -20,7 +20,6 @@
     <package>com.example.android.wearable.wear.alwayson</package>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
     <targetSdkVersionWear>26</targetSdkVersionWear>
     <multiDexEnabled>true</multiDexEnabled>
 
diff --git a/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.properties
index 0762007..ae45383 100644
--- a/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/DataLayer/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Nov 20 15:43:26 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/wearable/wear/DataLayer/gradlew b/wearable/wear/DataLayer/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/DataLayer/gradlew
+++ b/wearable/wear/DataLayer/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/DataLayer/gradlew.bat b/wearable/wear/DataLayer/gradlew.bat
index 8a0b282..e95643d 100644
--- a/wearable/wear/DataLayer/gradlew.bat
+++ b/wearable/wear/DataLayer/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/wearable/wear/DataLayer/template-params.xml b/wearable/wear/DataLayer/template-params.xml
index cc43fa5..8475001 100644
--- a/wearable/wear/DataLayer/template-params.xml
+++ b/wearable/wear/DataLayer/template-params.xml
@@ -20,11 +20,8 @@
     <package>com.example.android.wearable.datalayer</package>
 
     <minSdk>18</minSdk>
-    <targetSdkVersion>27</targetSdkVersion>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
 
     <multiDexEnabled>true</multiDexEnabled>
 
diff --git a/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.properties
index 86fc139..ae45383 100644
--- a/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/JumpingJack/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/JumpingJack/gradlew b/wearable/wear/JumpingJack/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/JumpingJack/gradlew
+++ b/wearable/wear/JumpingJack/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/JumpingJack/gradlew.bat b/wearable/wear/JumpingJack/gradlew.bat
index 8a0b282..e95643d 100644
--- a/wearable/wear/JumpingJack/gradlew.bat
+++ b/wearable/wear/JumpingJack/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/wearable/wear/RuntimePermissionsWear/Shared/build.gradle b/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
index bf02c2c..c8b3782 100644
--- a/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
+++ b/wearable/wear/RuntimePermissionsWear/Shared/build.gradle
@@ -1,20 +1,20 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
-apply plugin: 'android-library'
+apply plugin: 'com.android.library'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
@@ -28,13 +28,13 @@
     'template'] // boilerplate code that is generated by the sample template process
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 18
-        targetSdkVersion 27
+        targetSdkVersion 28
     }
 
     compileOptions {
diff --git a/wearable/wear/RuntimePermissionsWear/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/RuntimePermissionsWear/gradle/wrapper/gradle-wrapper.properties
index 1ee44fe..f941550 100644
--- a/wearable/wear/RuntimePermissionsWear/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/RuntimePermissionsWear/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Thu Apr 14 11:01:23 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/RuntimePermissionsWear/template-params.xml b/wearable/wear/RuntimePermissionsWear/template-params.xml
index df3850e..420265f 100644
--- a/wearable/wear/RuntimePermissionsWear/template-params.xml
+++ b/wearable/wear/RuntimePermissionsWear/template-params.xml
@@ -24,7 +24,6 @@
     <targetSdkVersion>27</targetSdkVersion>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
     <targetSdkVersionWear>26</targetSdkVersionWear>
     <multiDexEnabled>true</multiDexEnabled>
 
diff --git a/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.properties
index b88edce..ae45383 100644
--- a/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/SpeedTracker/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Aug 24 17:23:26 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/SpeedTracker/gradlew b/wearable/wear/SpeedTracker/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/SpeedTracker/gradlew
+++ b/wearable/wear/SpeedTracker/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/SpeedTracker/gradlew.bat b/wearable/wear/SpeedTracker/gradlew.bat
index aec9973..e95643d 100644
--- a/wearable/wear/SpeedTracker/gradlew.bat
+++ b/wearable/wear/SpeedTracker/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/wearable/wear/SpeedTracker/template-params.xml b/wearable/wear/SpeedTracker/template-params.xml
index 6524ca4..d4d05ca 100644
--- a/wearable/wear/SpeedTracker/template-params.xml
+++ b/wearable/wear/SpeedTracker/template-params.xml
@@ -21,11 +21,8 @@
     <package>com.example.android.wearable.speedtracker</package>
 
     <minSdk>18</minSdk>
-    <targetSdkVersion>27</targetSdkVersion>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
     <multiDexEnabled>true</multiDexEnabled>
 
     <wearable>
diff --git a/wearable/wear/WatchFace/Application/src/main/AndroidManifest.xml b/wearable/wear/WatchFace/Application/src/main/AndroidManifest.xml
index 9d06364..804e17d 100644
--- a/wearable/wear/WatchFace/Application/src/main/AndroidManifest.xml
+++ b/wearable/wear/WatchFace/Application/src/main/AndroidManifest.xml
@@ -17,9 +17,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.example.android.wearable.watchface" >
 
-    <uses-sdk android:minSdkVersion="18"
-              android:targetSdkVersion="25" />
-
     <!-- Permissions required by the wearable app -->
     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
diff --git a/wearable/wear/WatchFace/Wearable/src/main/AndroidManifest.xml b/wearable/wear/WatchFace/Wearable/src/main/AndroidManifest.xml
index 0c0e0ce..45dfe19 100644
--- a/wearable/wear/WatchFace/Wearable/src/main/AndroidManifest.xml
+++ b/wearable/wear/WatchFace/Wearable/src/main/AndroidManifest.xml
@@ -17,10 +17,6 @@
 <manifest package="com.example.android.wearable.watchface"
           xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <uses-sdk
-        android:minSdkVersion="21"
-        android:targetSdkVersion="25"/>
-
     <uses-feature android:name="android.hardware.type.watch"/>
 
     <!-- Required to act as a custom watch face. -->
diff --git a/wearable/wear/WatchFace/gradle.properties b/wearable/wear/WatchFace/gradle.properties
new file mode 100644
index 0000000..0bc4294
--- /dev/null
+++ b/wearable/wear/WatchFace/gradle.properties
@@ -0,0 +1,20 @@
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
diff --git a/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.properties
index 1b2e111..ae45383 100644
--- a/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WatchFace/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Nov 03 10:03:20 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/wearable/wear/WatchFace/gradlew b/wearable/wear/WatchFace/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/WatchFace/gradlew
+++ b/wearable/wear/WatchFace/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/WatchFace/gradlew.bat b/wearable/wear/WatchFace/gradlew.bat
index 8a0b282..e95643d 100644
--- a/wearable/wear/WatchFace/gradlew.bat
+++ b/wearable/wear/WatchFace/gradlew.bat
@@ -1,90 +1,84 @@
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/wearable/wear/WatchFace/template-params.xml b/wearable/wear/WatchFace/template-params.xml
index fa169b5..981bd16 100644
--- a/wearable/wear/WatchFace/template-params.xml
+++ b/wearable/wear/WatchFace/template-params.xml
@@ -23,18 +23,18 @@
     <package>com.example.android.wearable.watchface</package>
 
     <minSdk>18</minSdk>
-    <targetSdkVersion>27</targetSdkVersion>
+    <targetSdkVersion>28</targetSdkVersion>
 
     <minSdkVersionWear>24</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
+    <compileSdkVersionWear>28</compileSdkVersionWear>
+    <targetSdkVersionWear>28</targetSdkVersionWear>
 
     <multiDexEnabled>true</multiDexEnabled>
 
 
-    <dependency>com.google.android.support:wearable:2.3.0</dependency>
-    <dependency_wearable>com.android.support:palette-v7:27.1.0</dependency_wearable>
-    <dependency_wearable>com.android.support:wear:27.1.0</dependency_wearable>
+    <dependency>com.google.android.support:wearable:2.4.0</dependency>
+    <dependency_wearable>com.android.support:palette-v7:28.0.0</dependency_wearable>
+    <dependency_wearable>com.android.support:wear:28.0.0</dependency_wearable>
 
 
     <wearable>
diff --git a/wearable/wear/WearAccessibilityApp/Wearable/build.gradle b/wearable/wear/WearAccessibilityApp/Wearable/build.gradle
index 86a8296..e5ee2ff 100644
--- a/wearable/wear/WearAccessibilityApp/Wearable/build.gradle
+++ b/wearable/wear/WearAccessibilityApp/Wearable/build.gradle
@@ -1,8 +1,8 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
@@ -13,8 +13,8 @@
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
diff --git a/wearable/wear/WearComplicationProvidersTestSuite/Wearable/build.gradle b/wearable/wear/WearComplicationProvidersTestSuite/Wearable/build.gradle
index 39ddaf8..ad67745 100644
--- a/wearable/wear/WearComplicationProvidersTestSuite/Wearable/build.gradle
+++ b/wearable/wear/WearComplicationProvidersTestSuite/Wearable/build.gradle
@@ -1,20 +1,20 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
@@ -25,11 +25,12 @@
 
 
     implementation 'com.google.android.gms:play-services-wearable:15.0.1'
-    implementation 'com.android.support:support-v13:27.1.1'
 
-    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+    implementation 'com.android.support:support-v13:28.0.0'
 
-    implementation 'com.google.android.support:wearable:2.3.0'
+    compileOnly 'com.google.android.wearable:wearable:2.4.0'
+
+    implementation 'com.google.android.support:wearable:2.4.0'
 
 }
 
@@ -43,9 +44,9 @@
 
 android {
 
-    compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         versionCode 1
diff --git a/wearable/wear/WearComplicationProvidersTestSuite/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearComplicationProvidersTestSuite/gradle/wrapper/gradle-wrapper.properties
index c9f6185..f941550 100644
--- a/wearable/wear/WearComplicationProvidersTestSuite/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearComplicationProvidersTestSuite/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue Apr 18 14:45:16 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/wearable/wear/WearComplicationProvidersTestSuite/template-params.xml b/wearable/wear/WearComplicationProvidersTestSuite/template-params.xml
index 8cb8692..1e39f80 100644
--- a/wearable/wear/WearComplicationProvidersTestSuite/template-params.xml
+++ b/wearable/wear/WearComplicationProvidersTestSuite/template-params.xml
@@ -23,7 +23,6 @@
     <targetSdkVersion>27</targetSdkVersion>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
     <targetSdkVersionWear>26</targetSdkVersionWear>
 
     <wearable>
diff --git a/wearable/wear/WearDrawers/Wearable/build.gradle b/wearable/wear/WearDrawers/Wearable/build.gradle
index d52e606..6faf2d1 100644
--- a/wearable/wear/WearDrawers/Wearable/build.gradle
+++ b/wearable/wear/WearDrawers/Wearable/build.gradle
@@ -1,20 +1,20 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
@@ -25,11 +25,12 @@
 
 
     implementation 'com.google.android.gms:play-services-wearable:15.0.1'
-    implementation 'com.android.support:support-v13:27.1.1'
 
-    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+    implementation 'com.android.support:support-v13:28.0.0'
 
-    implementation 'com.google.android.support:wearable:2.3.0'
+    compileOnly 'com.google.android.wearable:wearable:2.4.0'
+
+    implementation 'com.google.android.support:wearable:2.4.0'
 
 }
 
@@ -43,9 +44,9 @@
 
 android {
 
-    compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         versionCode 1
diff --git a/wearable/wear/WearDrawers/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearDrawers/gradle/wrapper/gradle-wrapper.properties
index a227e66..f941550 100644
--- a/wearable/wear/WearDrawers/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearDrawers/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 10 17:21:13 PDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/wearable/wear/WearDrawers/template-params.xml b/wearable/wear/WearDrawers/template-params.xml
index 23b3271..190f780 100644
--- a/wearable/wear/WearDrawers/template-params.xml
+++ b/wearable/wear/WearDrawers/template-params.xml
@@ -21,7 +21,6 @@
     <package>com.example.android.wearable.wear.weardrawers</package>
 
     <minSdkVersionWear>23</minSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
     <targetSdkVersionWear>26</targetSdkVersionWear>
 
     <multiDexEnabled>true</multiDexEnabled>
diff --git a/wearable/wear/WearHighBandwidthNetworking/Wearable/build.gradle b/wearable/wear/WearHighBandwidthNetworking/Wearable/build.gradle
index 6b309ec..e278157 100644
--- a/wearable/wear/WearHighBandwidthNetworking/Wearable/build.gradle
+++ b/wearable/wear/WearHighBandwidthNetworking/Wearable/build.gradle
@@ -1,20 +1,20 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
@@ -25,11 +25,12 @@
 
 
     implementation 'com.google.android.gms:play-services-wearable:15.0.1'
-    implementation 'com.android.support:support-v13:27.1.1'
 
-    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+    implementation 'com.android.support:support-v13:28.0.0'
 
-    implementation 'com.google.android.support:wearable:2.3.0'
+    compileOnly 'com.google.android.wearable:wearable:2.4.0'
+
+    implementation 'com.google.android.support:wearable:2.4.0'
 
 }
 
@@ -43,9 +44,9 @@
 
 android {
 
-    compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         versionCode 1
diff --git a/wearable/wear/WearHighBandwidthNetworking/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearHighBandwidthNetworking/gradle/wrapper/gradle-wrapper.properties
index 86fc139..f941550 100644
--- a/wearable/wear/WearHighBandwidthNetworking/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearHighBandwidthNetworking/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/WearHighBandwidthNetworking/template-params.xml b/wearable/wear/WearHighBandwidthNetworking/template-params.xml
index 9e463a0..2437325 100644
--- a/wearable/wear/WearHighBandwidthNetworking/template-params.xml
+++ b/wearable/wear/WearHighBandwidthNetworking/template-params.xml
@@ -26,7 +26,6 @@
     <minSdkVersionWear>24</minSdkVersionWear>
     <targetSdkVersion>26</targetSdkVersion>
     <targetSdkVersionWear>26</targetSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
     <multiDexEnabled>true</multiDexEnabled>
 
     <!-- Include additional dependencies here.-->
diff --git a/wearable/wear/WearMessagingApp/build.gradle b/wearable/wear/WearMessagingApp/build.gradle
index 842cec5..168449a 100644
--- a/wearable/wear/WearMessagingApp/build.gradle
+++ b/wearable/wear/WearMessagingApp/build.gradle
@@ -14,8 +14,8 @@
 
 buildscript {
   repositories {
-    jcenter()
     google()
+    jcenter()
   }
 
   dependencies {
@@ -26,7 +26,7 @@
 
 allprojects {
   repositories {
-    jcenter()
     google()
+    jcenter()
   }
 }
\ No newline at end of file
diff --git a/wearable/wear/WearNotifications/Application/src/main/java/com/example/android/wearable/wear/wearnotifications/handlers/BigTextIntentService.java b/wearable/wear/WearNotifications/Application/src/main/java/com/example/android/wearable/wear/wearnotifications/handlers/BigTextIntentService.java
index 089a0d9..b54d748 100644
--- a/wearable/wear/WearNotifications/Application/src/main/java/com/example/android/wearable/wear/wearnotifications/handlers/BigTextIntentService.java
+++ b/wearable/wear/WearNotifications/Application/src/main/java/com/example/android/wearable/wear/wearnotifications/handlers/BigTextIntentService.java
@@ -25,11 +25,12 @@
 import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationCompat.BigTextStyle;
 import androidx.core.app.NotificationManagerCompat;
+import androidx.core.content.ContextCompat;
 
+import com.example.android.wearable.wear.common.mock.MockDatabase;
 import com.example.android.wearable.wear.wearnotifications.GlobalNotificationBuilder;
 import com.example.android.wearable.wear.wearnotifications.MainActivity;
 import com.example.android.wearable.wear.wearnotifications.R;
-import com.example.android.wearable.wear.common.mock.MockDatabase;
 
 import java.util.concurrent.TimeUnit;
 
@@ -130,17 +131,23 @@
         //      3. Create additional Actions for the Notification
         //      4. Build and issue the notification
 
-        // 0. Get your data
-        MockDatabase.BigTextStyleReminderAppData bigTextData = MockDatabase.getBigTextStyleData();
+        // 0. Get your data (everything unique per Notification).
+        MockDatabase.BigTextStyleReminderAppData bigTextStyleReminderAppData =
+                MockDatabase.getBigTextStyleData();
 
-        // 1. Build the BIG_TEXT_STYLE
+        // 1. Retrieve Notification Channel for O and beyond devices (26+). We don't need to create
+        //    the NotificationChannel, since it was created the first time this Notification was
+        //    created.
+        String notificationChannelId = bigTextStyleReminderAppData.getChannelId();
+
+        // 2. Build the BIG_TEXT_STYLE.
         BigTextStyle bigTextStyle = new NotificationCompat.BigTextStyle()
-                .bigText(bigTextData.getBigText())
-                .setBigContentTitle(bigTextData.getBigContentTitle())
-                .setSummaryText(bigTextData.getSummaryText());
+                .bigText(bigTextStyleReminderAppData.getBigText())
+                .setBigContentTitle(bigTextStyleReminderAppData.getBigContentTitle())
+                .setSummaryText(bigTextStyleReminderAppData.getSummaryText());
 
 
-        // 2. Set up main Intent for notification
+        // 3. Set up main Intent for notification
         Intent notifyIntent = new Intent(this, BigTextMainActivity.class);
         notifyIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
 
@@ -153,7 +160,7 @@
                 );
 
 
-        // 3. Create additional Actions (Intents) for the Notification
+        // 4. Create additional Actions (Intents) for the Notification
 
         // Snooze Action
         Intent snoozeIntent = new Intent(this, BigTextIntentService.class);
@@ -180,25 +187,29 @@
                         dismissPendingIntent)
                         .build();
 
-        // 4. Build and issue the notification
+
+        // 5. Build and issue the notification.
+
+        // Notification Channel Id is ignored for Android pre O (26).
         NotificationCompat.Builder notificationCompatBuilder =
-                new NotificationCompat.Builder(getApplicationContext());
+                new NotificationCompat.Builder(
+                        getApplicationContext(), notificationChannelId);
 
         GlobalNotificationBuilder.setNotificationCompatBuilderInstance(notificationCompatBuilder);
 
         notificationCompatBuilder
                 .setStyle(bigTextStyle)
-                .setContentTitle(bigTextData.getContentTitle())
-                .setContentText(bigTextData.getContentText())
+                .setContentTitle(bigTextStyleReminderAppData.getContentTitle())
+                .setContentText(bigTextStyleReminderAppData.getContentText())
                 .setSmallIcon(R.drawable.ic_launcher)
                 .setLargeIcon(BitmapFactory.decodeResource(
                         getResources(),
                         R.drawable.ic_alarm_white_48dp))
                 .setContentIntent(notifyPendingIntent)
-                .setColor(getResources().getColor(R.color.colorPrimary))
+                .setColor(ContextCompat.getColor(getApplicationContext(), R.color.colorPrimary))
                 .setCategory(Notification.CATEGORY_REMINDER)
-                .setPriority(Notification.PRIORITY_HIGH)
-                .setVisibility(Notification.VISIBILITY_PUBLIC)
+                .setPriority(bigTextStyleReminderAppData.getPriority())
+                .setVisibility(bigTextStyleReminderAppData.getChannelLockscreenVisibility())
                 .addAction(snoozeAction)
                 .addAction(dismissAction);
 
diff --git a/wearable/wear/WearNotifications/Shared/build.gradle b/wearable/wear/WearNotifications/Shared/build.gradle
index edb53d4..582d65d 100644
--- a/wearable/wear/WearNotifications/Shared/build.gradle
+++ b/wearable/wear/WearNotifications/Shared/build.gradle
@@ -1,24 +1,24 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.0-beta01'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.library'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 dependencies {
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0-alpha3'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
 }
 
 // The sample build uses multiple directories to
@@ -32,7 +32,7 @@
 android {
     compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 18
diff --git a/wearable/wear/WearNotifications/gradle.properties b/wearable/wear/WearNotifications/gradle.properties
index 6511fc1..94f8472 100644
--- a/wearable/wear/WearNotifications/gradle.properties
+++ b/wearable/wear/WearNotifications/gradle.properties
@@ -18,5 +18,5 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-android.useAndroidX = true
-android.enableJetifier = true
+android.useAndroidX=true
+android.enableJetifier=true
diff --git a/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.properties
index b74aed0..ae45383 100644
--- a/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearNotifications/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri May 04 14:21:41 PDT 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
diff --git a/wearable/wear/WearNotifications/gradlew b/wearable/wear/WearNotifications/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/WearNotifications/gradlew
+++ b/wearable/wear/WearNotifications/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/WearNotifications/gradlew.bat b/wearable/wear/WearNotifications/gradlew.bat
index aec9973..e95643d 100644
--- a/wearable/wear/WearNotifications/gradlew.bat
+++ b/wearable/wear/WearNotifications/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/wearable/wear/WearNotifications/template-params.xml b/wearable/wear/WearNotifications/template-params.xml
index 2639611..434b365 100644
--- a/wearable/wear/WearNotifications/template-params.xml
+++ b/wearable/wear/WearNotifications/template-params.xml
@@ -34,17 +34,17 @@
 
     <androidX>true</androidX>
 
-    <dependency>androidx.appcompat:appcompat:1.0.0-alpha3</dependency>
-    <dependency>androidx.cardview:cardview:1.0.0-alpha3</dependency>
-    <dependency>com.google.android.material:material:1.0.0-alpha3</dependency>
-    <dependency>androidx.legacy:legacy-support-v13:1.0.0-alpha3</dependency>
+    <dependency>androidx.appcompat:appcompat:1.0.2</dependency>
+    <dependency>androidx.cardview:cardview:1.0.0</dependency>
+    <dependency>com.google.android.material:material:1.0.0</dependency>
+    <dependency>androidx.legacy:legacy-support-v13:1.0.0</dependency>
 
-    <dependency_shared>androidx.legacy:legacy-support-v4:1.0.0-alpha3</dependency_shared>
+    <dependency_shared>androidx.legacy:legacy-support-v4:1.0.0</dependency_shared>
 
-    <dependency_wearable>androidx.appcompat:appcompat:1.0.0-alpha3</dependency_wearable>
-    <dependency_wearable>androidx.wear:wear:1.0.0-alpha3</dependency_wearable>
-    <dependency_wearable>com.google.android.material:material:1.0.0-alpha3</dependency_wearable>
-    <dependency_wearable>androidx.legacy:legacy-support-v13:1.0.0-alpha3</dependency_wearable>
+    <dependency_wearable>androidx.appcompat:appcompat:1.0.2</dependency_wearable>
+    <dependency_wearable>androidx.wear:wear:1.0.0</dependency_wearable>
+    <dependency_wearable>com.google.android.material:material:1.0.0</dependency_wearable>
+    <dependency_wearable>androidx.legacy:legacy-support-v13:1.0.0</dependency_wearable>
 
     <!-- Include additional dependencies here.-->
     <!-- dependency>com.google.android.gms:play-services:5.0.+</dependency -->
diff --git a/wearable/wear/WearSpeakerSample/build.gradle b/wearable/wear/WearSpeakerSample/build.gradle
index b35d701..6c94f10 100644
--- a/wearable/wear/WearSpeakerSample/build.gradle
+++ b/wearable/wear/WearSpeakerSample/build.gradle
@@ -18,11 +18,11 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -31,8 +31,8 @@
 
 allprojects {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 }
 
diff --git a/wearable/wear/WearSpeakerSample/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearSpeakerSample/gradle/wrapper/gradle-wrapper.properties
index 0b7e78b..f941550 100644
--- a/wearable/wear/WearSpeakerSample/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearSpeakerSample/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Tue May 20 13:33:02 BST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/WearVerifyRemoteApp/.gitignore b/wearable/wear/WearVerifyRemoteApp/.gitignore
new file mode 100644
index 0000000..b90e756
--- /dev/null
+++ b/wearable/wear/WearVerifyRemoteApp/.gitignore
@@ -0,0 +1,33 @@
+# built application files
+*.apk
+*.ap_
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+
+# Ignore gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+proguard-project.txt
+
+# Eclipse files
+.project
+.classpath
+.settings/
+
+# Android Studio/IDEA
+*.iml
+.idea
diff --git a/wearable/wear/WearVerifyRemoteApp/Wearable/build.gradle b/wearable/wear/WearVerifyRemoteApp/Wearable/build.gradle
index ac9f145..7833099 100644
--- a/wearable/wear/WearVerifyRemoteApp/Wearable/build.gradle
+++ b/wearable/wear/WearVerifyRemoteApp/Wearable/build.gradle
@@ -1,35 +1,36 @@
 
 buildscript {
     repositories {
-        jcenter()
         google()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    jcenter()
     google()
+    jcenter()
 }
 
 
 
 dependencies {
 
-    implementation 'com.android.support:wear:27.1.1'
+    implementation 'com.android.support:wear:28.0.0'
 
 
     implementation 'com.google.android.gms:play-services-wearable:15.0.1'
-    implementation 'com.android.support:support-v13:27.1.1'
 
-    compileOnly 'com.google.android.wearable:wearable:2.3.0'
+    implementation 'com.android.support:support-v13:28.0.0'
 
-    implementation 'com.google.android.support:wearable:2.3.0'
+    compileOnly 'com.google.android.wearable:wearable:2.4.0'
+
+    implementation 'com.google.android.support:wearable:2.4.0'
 
 }
 
@@ -43,9 +44,9 @@
 
 android {
 
-    compileSdkVersion 26
+    compileSdkVersion 28
 
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         versionCode 1
@@ -53,7 +54,7 @@
 
         minSdkVersion 23
 
-        targetSdkVersion 26
+        targetSdkVersion 28
 
 
     }
diff --git a/wearable/wear/WearVerifyRemoteApp/gradle.properties b/wearable/wear/WearVerifyRemoteApp/gradle.properties
new file mode 100644
index 0000000..0bc4294
--- /dev/null
+++ b/wearable/wear/WearVerifyRemoteApp/gradle.properties
@@ -0,0 +1,20 @@
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
diff --git a/wearable/wear/WearVerifyRemoteApp/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/WearVerifyRemoteApp/gradle/wrapper/gradle-wrapper.properties
index ba9b119..f941550 100644
--- a/wearable/wear/WearVerifyRemoteApp/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/WearVerifyRemoteApp/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
diff --git a/wearable/wear/WearVerifyRemoteApp/template-params.xml b/wearable/wear/WearVerifyRemoteApp/template-params.xml
index 7b17a13..c1a8420 100644
--- a/wearable/wear/WearVerifyRemoteApp/template-params.xml
+++ b/wearable/wear/WearVerifyRemoteApp/template-params.xml
@@ -23,18 +23,17 @@
     <!-- change minSdk if needed-->
     <minSdk>23</minSdk>
     <minSdkVersionWear>23</minSdkVersionWear>
-    <targetSdkVersion>27</targetSdkVersion>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
+    <targetSdkVersion>28</targetSdkVersion>
+    <targetSdkVersionWear>28</targetSdkVersionWear>
 
     <wearable>
         <has_handheld_app>true</has_handheld_app>
     </wearable>
 
-    <dependency>com.google.android.support:wearable:2.3.0</dependency>
+    <dependency>com.google.android.support:wearable:2.4.0</dependency>
 
 
-    <dependency_wearable>com.android.support:wear:27.1.1</dependency_wearable>
+    <dependency_wearable>com.android.support:wear:28.0.0</dependency_wearable>
 
     <!-- Include additional dependencies here.-->
     <!-- dependency>com.google.android.gms:play-services:5.0.+</dependency -->
diff --git a/wearable/wear/XYZTouristAttractions/Wearable/src/main/AndroidManifest.xml b/wearable/wear/XYZTouristAttractions/Wearable/src/main/AndroidManifest.xml
index 320396d..0a3cc99 100644
--- a/wearable/wear/XYZTouristAttractions/Wearable/src/main/AndroidManifest.xml
+++ b/wearable/wear/XYZTouristAttractions/Wearable/src/main/AndroidManifest.xml
@@ -24,10 +24,6 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" tools:node="remove" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" tools:node="remove" />
 
-    <uses-sdk
-        android:minSdkVersion="22"
-        android:targetSdkVersion="25" />
-
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
diff --git a/wearable/wear/XYZTouristAttractions/gradle.properties b/wearable/wear/XYZTouristAttractions/gradle.properties
new file mode 100644
index 0000000..0bc4294
--- /dev/null
+++ b/wearable/wear/XYZTouristAttractions/gradle.properties
@@ -0,0 +1,20 @@
+
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Settings specified in this file will override any Gradle settings
+# configured through the IDE.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
diff --git a/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.jar b/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64..94336fc 100644
--- a/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.jar
+++ b/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.properties b/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.properties
index 0d23dbc..ae45383 100644
--- a/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.properties
+++ b/wearable/wear/XYZTouristAttractions/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Apr 15 16:13:31 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
\ No newline at end of file
diff --git a/wearable/wear/XYZTouristAttractions/gradlew b/wearable/wear/XYZTouristAttractions/gradlew
index 91a7e26..cccdd3d 100755
--- a/wearable/wear/XYZTouristAttractions/gradlew
+++ b/wearable/wear/XYZTouristAttractions/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,47 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +20,49 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >&-
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -90,7 +89,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -114,6 +113,7 @@
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
@@ -154,11 +154,19 @@
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/wearable/wear/XYZTouristAttractions/gradlew.bat b/wearable/wear/XYZTouristAttractions/gradlew.bat
index aec9973..e95643d 100644
--- a/wearable/wear/XYZTouristAttractions/gradlew.bat
+++ b/wearable/wear/XYZTouristAttractions/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell

 if "%OS%"=="Windows_NT" setlocal

 

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

 set DIRNAME=%~dp0

 if "%DIRNAME%" == "" set DIRNAME=.

 set APP_BASE_NAME=%~n0

 set APP_HOME=%DIRNAME%

 

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

 @rem Find java.exe

 if defined JAVA_HOME goto findJavaFromJavaHome

 

@@ -46,10 +46,9 @@
 goto fail

 

 :init

-@rem Get command-line arguments, handling Windowz variants

+@rem Get command-line arguments, handling Windows variants

 

 if not "%OS%" == "Windows_NT" goto win9xME_args

-if "%@eval[2+2]" == "4" goto 4NT_args

 

 :win9xME_args

 @rem Slurp the command line arguments.

@@ -60,11 +59,6 @@
 if "x%~1" == "x" goto execute

 

 set CMD_LINE_ARGS=%*

-goto execute

-

-:4NT_args

-@rem Get arguments from the 4NT Shell from JP Software

-set CMD_LINE_ARGS=%$

 

 :execute

 @rem Setup the command line

diff --git a/wearable/wear/XYZTouristAttractions/template-params.xml b/wearable/wear/XYZTouristAttractions/template-params.xml
index 1c751b0..d505fe8 100644
--- a/wearable/wear/XYZTouristAttractions/template-params.xml
+++ b/wearable/wear/XYZTouristAttractions/template-params.xml
@@ -19,9 +19,8 @@
     <group>Wearable</group>
     <package>com.example.android.xyztouristattractions</package>
     <minSdk>18</minSdk>
-    <targetSdkVersion>26</targetSdkVersion>
-    <targetSdkVersionWear>26</targetSdkVersionWear>
-    <compileSdkVersionWear>26</compileSdkVersionWear>
+    <targetSdkVersion>28</targetSdkVersion>
+    <targetSdkVersionWear>28</targetSdkVersionWear>
     <minSdkVersionWear>23</minSdkVersionWear>
 
 
@@ -29,20 +28,21 @@
         <has_handheld_app>true</has_handheld_app>
     </wearable>
 
-    <dependency>com.google.android.gms:play-services-location</dependency>
 
     <dependency>com.google.maps.android:android-maps-utils:0.5</dependency>
     <dependency>com.github.bumptech.glide:glide:3.7.0</dependency>
-    <dependency>com.android.support:appcompat-v7:27.1.0</dependency>
-    <dependency>com.android.support:recyclerview-v7:27.1.0</dependency>
-    <dependency>com.android.support:design:27.1.0</dependency>
+    <dependency>com.android.support:appcompat-v7:28.0.0</dependency>
+    <dependency>com.android.support:recyclerview-v7:28.0.0</dependency>
+    <dependency>com.android.support:design:28.0.0</dependency>
+    <dependency>com.google.android.gms:play-services-maps:16.0.0</dependency>
+    <dependency>com.google.android.gms:play-services-location:16.0.0</dependency>
 
-    <dependency_wearable>com.google.android.gms:play-services-maps</dependency_wearable>
-    <dependency_shared>com.android.support:support-v13:27.1.0</dependency_shared>
-    <dependency_shared>com.google.android.gms:play-services-wearable</dependency_shared>
-    <dependency_shared>com.google.android.gms:play-services-maps</dependency_shared>
+    <dependency_shared>com.android.support:support-v13:28.0.0</dependency_shared>
+    <dependency_shared>com.google.android.gms:play-services-wearable:15.0.1</dependency_shared>
+    <dependency_shared>com.google.android.gms:play-services-maps:16.0.0</dependency_shared>
     <dependency_shared>com.google.maps.android:android-maps-utils:0.5</dependency_shared>
 
+    <dependency_wearable>com.google.android.gms:play-services-maps:16.0.0</dependency_wearable>
 
 
     <strings>