Merge "Fix NPE when the vr manager isn't around at first." into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index 8d1b450..04e1005 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -8615,6 +8615,7 @@
     field public static final java.lang.String ACTION_SENDTO = "android.intent.action.SENDTO";
     field public static final java.lang.String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
     field public static final java.lang.String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
+    field public static final java.lang.String ACTION_SHOW_APP_INFO = "android.intent.action.SHOW_APP_INFO";
     field public static final java.lang.String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
     field public static final java.lang.String ACTION_SYNC = "android.intent.action.SYNC";
     field public static final java.lang.String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
@@ -8709,6 +8710,7 @@
     field public static final java.lang.String EXTRA_MIME_TYPES = "android.intent.extra.MIME_TYPES";
     field public static final java.lang.String EXTRA_NOT_UNKNOWN_SOURCE = "android.intent.extra.NOT_UNKNOWN_SOURCE";
     field public static final java.lang.String EXTRA_ORIGINATING_URI = "android.intent.extra.ORIGINATING_URI";
+    field public static final java.lang.String EXTRA_PACKAGE_NAME = "android.intent.extra.PACKAGE_NAME";
     field public static final java.lang.String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
     field public static final java.lang.String EXTRA_PROCESS_TEXT = "android.intent.extra.PROCESS_TEXT";
     field public static final java.lang.String EXTRA_PROCESS_TEXT_READONLY = "android.intent.extra.PROCESS_TEXT_READONLY";
diff --git a/api/system-current.txt b/api/system-current.txt
index b3bac02..f284262 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -8934,6 +8934,7 @@
     field public static final java.lang.String ACTION_SENDTO = "android.intent.action.SENDTO";
     field public static final java.lang.String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
     field public static final java.lang.String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
+    field public static final java.lang.String ACTION_SHOW_APP_INFO = "android.intent.action.SHOW_APP_INFO";
     field public static final java.lang.String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
     field public static final java.lang.String ACTION_SYNC = "android.intent.action.SYNC";
     field public static final java.lang.String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
diff --git a/api/test-current.txt b/api/test-current.txt
index fcfe489..a19a120 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -8622,6 +8622,7 @@
     field public static final java.lang.String ACTION_SENDTO = "android.intent.action.SENDTO";
     field public static final java.lang.String ACTION_SEND_MULTIPLE = "android.intent.action.SEND_MULTIPLE";
     field public static final java.lang.String ACTION_SET_WALLPAPER = "android.intent.action.SET_WALLPAPER";
+    field public static final java.lang.String ACTION_SHOW_APP_INFO = "android.intent.action.SHOW_APP_INFO";
     field public static final java.lang.String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
     field public static final java.lang.String ACTION_SYNC = "android.intent.action.SYNC";
     field public static final java.lang.String ACTION_SYSTEM_TUTORIAL = "android.intent.action.SYSTEM_TUTORIAL";
@@ -8716,6 +8717,7 @@
     field public static final java.lang.String EXTRA_MIME_TYPES = "android.intent.extra.MIME_TYPES";
     field public static final java.lang.String EXTRA_NOT_UNKNOWN_SOURCE = "android.intent.extra.NOT_UNKNOWN_SOURCE";
     field public static final java.lang.String EXTRA_ORIGINATING_URI = "android.intent.extra.ORIGINATING_URI";
+    field public static final java.lang.String EXTRA_PACKAGE_NAME = "android.intent.extra.PACKAGE_NAME";
     field public static final java.lang.String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
     field public static final java.lang.String EXTRA_PROCESS_TEXT = "android.intent.extra.PROCESS_TEXT";
     field public static final java.lang.String EXTRA_PROCESS_TEXT_READONLY = "android.intent.extra.PROCESS_TEXT_READONLY";
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index d5d4ca7..cd6e572 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -532,7 +532,8 @@
             public WifiScanner createService(ContextImpl ctx) {
                 IBinder b = ServiceManager.getService(Context.WIFI_SCANNING_SERVICE);
                 IWifiScanner service = IWifiScanner.Stub.asInterface(b);
-                return new WifiScanner(ctx.getOuterContext(), service);
+                return new WifiScanner(ctx.getOuterContext(), service,
+                        ConnectivityThread.getInstanceLooper());
             }});
 
         registerService(Context.WIFI_RTT_SERVICE, RttManager.class,
diff --git a/core/java/android/app/job/JobInfo.java b/core/java/android/app/job/JobInfo.java
index 9b4f43a..09050b6 100644
--- a/core/java/android/app/job/JobInfo.java
+++ b/core/java/android/app/job/JobInfo.java
@@ -138,6 +138,20 @@
      */
     public static final int PRIORITY_TOP_APP = 40;
 
+    /**
+     * Adjustment of {@link #getPriority} if the app has often (50% or more of the time)
+     * been running jobs.
+     * @hide
+     */
+    public static final int PRIORITY_ADJ_OFTEN_RUNNING = -40;
+
+    /**
+     * Adjustment of {@link #getPriority} if the app has always (90% or more of the time)
+     * been running jobs.
+     * @hide
+     */
+    public static final int PRIORITY_ADJ_ALWAYS_RUNNING = -80;
+
     private final int jobId;
     private final PersistableBundle extras;
     private final ComponentName service;
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 7e67e8d..831de4a 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -765,6 +765,19 @@
             = "android.intent.action.APPLICATION_PREFERENCES";
 
     /**
+     * Activity Action: Launch an activity showing the app information.
+     * For applications which install other applications (such as app stores), it is recommended
+     * to handle this action for providing the app information to the user.
+     *
+     * <p>Input: {@link #EXTRA_PACKAGE_NAME} specifies the package whose information needs
+     * to be displayed.
+     * <p>Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SHOW_APP_INFO
+            = "android.intent.action.SHOW_APP_INFO";
+
+    /**
      * Represents a shortcut/live folder icon resource.
      *
      * @see Intent#ACTION_CREATE_SHORTCUT
@@ -1683,9 +1696,7 @@
      * Type: String
      * </p>
      *
-     * @hide
      */
-    @SystemApi
     public static final String EXTRA_PACKAGE_NAME = "android.intent.extra.PACKAGE_NAME";
 
     /**
diff --git a/core/java/android/text/StaticLayout.java b/core/java/android/text/StaticLayout.java
index 94ce57a..239f2d0 100644
--- a/core/java/android/text/StaticLayout.java
+++ b/core/java/android/text/StaticLayout.java
@@ -683,7 +683,7 @@
                 // interface.
                 int leftLen = mLeftIndents == null ? 0 : mLeftIndents.length;
                 int rightLen = mRightIndents == null ? 0 : mRightIndents.length;
-                int indentsLen = Math.max(1, Math.min(leftLen, rightLen) - mLineCount);
+                int indentsLen = Math.max(1, Math.max(leftLen, rightLen) - mLineCount);
                 int[] indents = new int[indentsLen];
                 for (int i = 0; i < indentsLen; i++) {
                     int leftMargin = mLeftIndents == null ? 0 :
diff --git a/core/java/android/widget/PopupWindow.java b/core/java/android/widget/PopupWindow.java
index 12f2e20..af46756 100644
--- a/core/java/android/widget/PopupWindow.java
+++ b/core/java/android/widget/PopupWindow.java
@@ -1579,7 +1579,7 @@
             return true;
         }
 
-        final int spaceAbove = displayFrameTop + anchorTopInScreen - anchorHeight;
+        final int spaceAbove = anchorTopInScreen - anchorHeight - displayFrameTop;
         if (height <= spaceAbove) {
             // Move everything up.
             if (mOverlapAnchor) {
diff --git a/core/jni/android_graphics_drawable_VectorDrawable.cpp b/core/jni/android_graphics_drawable_VectorDrawable.cpp
index 50d86ff..0de6549 100644
--- a/core/jni/android_graphics_drawable_VectorDrawable.cpp
+++ b/core/jni/android_graphics_drawable_VectorDrawable.cpp
@@ -175,7 +175,7 @@
 
     PathParser::ParseResult result;
     PathData data;
-    PathParser::getPathDataFromString(&data, &result, pathString, stringLength);
+    PathParser::getPathDataFromAsciiString(&data, &result, pathString, stringLength);
     if (result.failureOccurred) {
         doThrowIAE(env, result.failureMessage.c_str());
     }
diff --git a/core/jni/android_util_PathParser.cpp b/core/jni/android_util_PathParser.cpp
index 0c867f1..53669a8 100644
--- a/core/jni/android_util_PathParser.cpp
+++ b/core/jni/android_util_PathParser.cpp
@@ -34,7 +34,7 @@
     SkPath* skPath = reinterpret_cast<SkPath*>(skPathHandle);
 
     PathParser::ParseResult result;
-    PathParser::parseStringForSkPath(skPath, &result, pathString, strLength);
+    PathParser::parseAsciiStringForSkPath(skPath, &result, pathString, strLength);
     env->ReleaseStringUTFChars(inputPathStr, pathString);
     if (result.failureOccurred) {
         doThrowIAE(env, result.failureMessage.c_str());
@@ -56,7 +56,7 @@
     const char* pathString = env->GetStringUTFChars(inputStr, NULL);
     PathData* pathData = new PathData();
     PathParser::ParseResult result;
-    PathParser::getPathDataFromString(pathData, &result, pathString, strLength);
+    PathParser::getPathDataFromAsciiString(pathData, &result, pathString, strLength);
     env->ReleaseStringUTFChars(inputStr, pathString);
     if (!result.failureOccurred) {
         return reinterpret_cast<jlong>(pathData);
diff --git a/libs/hwui/PathParser.cpp b/libs/hwui/PathParser.cpp
index 7e85333..2179f14 100644
--- a/libs/hwui/PathParser.cpp
+++ b/libs/hwui/PathParser.cpp
@@ -162,7 +162,7 @@
             || verb == 's' || verb == 't' || verb == 'v' || verb == 'z';
 }
 
-void PathParser::getPathDataFromString(PathData* data, ParseResult* result,
+void PathParser::getPathDataFromAsciiString(PathData* data, ParseResult* result,
         const char* pathStr, size_t strLen) {
     if (pathStr == NULL) {
         result->failureOccurred = true;
@@ -171,7 +171,16 @@
     }
 
     size_t start = 0;
-    size_t end = 1;
+    // Skip leading spaces.
+    while (isspace(pathStr[start]) && start < strLen) {
+        start++;
+    }
+    if (start == strLen) {
+        result->failureOccurred = true;
+        result->failureMessage = "Path string cannot be empty.";
+        return;
+    }
+    size_t end = start + 1;
 
     while (end < strLen) {
         end = nextStart(pathStr, strLen, end);
@@ -226,9 +235,9 @@
     ALOGD("points are : %s", os.str().c_str());
 }
 
-void PathParser::parseStringForSkPath(SkPath* skPath, ParseResult* result, const char* pathStr, size_t strLen) {
+void PathParser::parseAsciiStringForSkPath(SkPath* skPath, ParseResult* result, const char* pathStr, size_t strLen) {
     PathData pathData;
-    getPathDataFromString(&pathData, result, pathStr, strLen);
+    getPathDataFromAsciiString(&pathData, result, pathStr, strLen);
     if (result->failureOccurred) {
         return;
     }
diff --git a/libs/hwui/PathParser.h b/libs/hwui/PathParser.h
index 180a7a3..5578e8d 100644
--- a/libs/hwui/PathParser.h
+++ b/libs/hwui/PathParser.h
@@ -39,9 +39,9 @@
     /**
      * Parse the string literal and create a Skia Path. Return true on success.
      */
-    ANDROID_API static void parseStringForSkPath(SkPath* outPath, ParseResult* result,
+    ANDROID_API static void parseAsciiStringForSkPath(SkPath* outPath, ParseResult* result,
             const char* pathStr, size_t strLength);
-    ANDROID_API static void getPathDataFromString(PathData* outData, ParseResult* result,
+    ANDROID_API static void getPathDataFromAsciiString(PathData* outData, ParseResult* result,
             const char* pathStr, size_t strLength);
     static void dump(const PathData& data);
     static bool isVerbValid(char verb);
diff --git a/libs/hwui/VectorDrawable.cpp b/libs/hwui/VectorDrawable.cpp
index adfe45c..ac17ed2 100644
--- a/libs/hwui/VectorDrawable.cpp
+++ b/libs/hwui/VectorDrawable.cpp
@@ -96,7 +96,7 @@
 Path::Path(const char* pathStr, size_t strLength) {
     PathParser::ParseResult result;
     Data data;
-    PathParser::getPathDataFromString(&data, &result, pathStr, strLength);
+    PathParser::getPathDataFromAsciiString(&data, &result, pathStr, strLength);
     mStagingProperties.setData(data);
 }
 
diff --git a/libs/hwui/tests/microbench/PathParserBench.cpp b/libs/hwui/tests/microbench/PathParserBench.cpp
index 4186539..b43c4c3 100644
--- a/libs/hwui/tests/microbench/PathParserBench.cpp
+++ b/libs/hwui/tests/microbench/PathParserBench.cpp
@@ -31,7 +31,7 @@
     size_t length = strlen(sPathString);
     PathParser::ParseResult result;
     while (state.KeepRunning()) {
-        PathParser::parseStringForSkPath(&skPath, &result, sPathString, length);
+        PathParser::parseAsciiStringForSkPath(&skPath, &result, sPathString, length);
         benchmark::DoNotOptimize(&result);
         benchmark::DoNotOptimize(&skPath);
     }
@@ -43,7 +43,7 @@
     PathData outData;
     PathParser::ParseResult result;
     while (state.KeepRunning()) {
-        PathParser::getPathDataFromString(&outData, &result, sPathString, length);
+        PathParser::getPathDataFromAsciiString(&outData, &result, sPathString, length);
         benchmark::DoNotOptimize(&result);
         benchmark::DoNotOptimize(&outData);
     }
diff --git a/libs/hwui/tests/unit/VectorDrawableTests.cpp b/libs/hwui/tests/unit/VectorDrawableTests.cpp
index 332a9a5..83b485f 100644
--- a/libs/hwui/tests/unit/VectorDrawableTests.cpp
+++ b/libs/hwui/tests/unit/VectorDrawableTests.cpp
@@ -234,9 +234,10 @@
     {"3e...3", false}, // Not starting with a verb and ill-formatted float
     {"L.M.F.A.O", false}, // No floats following verbs
     {"m 1 1", true}, // Valid path data
-    {"z", true}, // Valid path data
+    {"\n \t   z", true}, // Valid path data with leading spaces
     {"1-2e34567", false}, // Not starting with a verb and ill-formatted float
-    {"f 4 5", false} // Invalid verb
+    {"f 4 5", false}, // Invalid verb
+    {"\r      ", false} // Empty string
 };
 
 
@@ -250,7 +251,7 @@
         // Test generated path data against the given data.
         PathData pathData;
         size_t length = strlen(testData.pathString);
-        PathParser::getPathDataFromString(&pathData, &result, testData.pathString, length);
+        PathParser::getPathDataFromAsciiString(&pathData, &result, testData.pathString, length);
         EXPECT_EQ(testData.pathData, pathData);
     }
 
@@ -258,7 +259,7 @@
         PathParser::ParseResult result;
         PathData pathData;
         SkPath skPath;
-        PathParser::getPathDataFromString(&pathData, &result,
+        PathParser::getPathDataFromAsciiString(&pathData, &result,
                 stringPath.stringPath, strlen(stringPath.stringPath));
         EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
     }
@@ -274,13 +275,13 @@
     }
 }
 
-TEST(PathParser, parseStringForSkPath) {
+TEST(PathParser, parseAsciiStringForSkPath) {
     for (TestData testData: sTestDataSet) {
         PathParser::ParseResult result;
         size_t length = strlen(testData.pathString);
         // Check the return value as well as the SkPath generated.
         SkPath actualPath;
-        PathParser::parseStringForSkPath(&actualPath, &result, testData.pathString, length);
+        PathParser::parseAsciiStringForSkPath(&actualPath, &result, testData.pathString, length);
         bool hasValidData = !result.failureOccurred;
         EXPECT_EQ(hasValidData, testData.pathData.verbs.size() > 0);
         SkPath expectedPath;
@@ -291,7 +292,7 @@
     for (StringPath stringPath : sStringPaths) {
         PathParser::ParseResult result;
         SkPath skPath;
-        PathParser::parseStringForSkPath(&skPath, &result, stringPath.stringPath,
+        PathParser::parseAsciiStringForSkPath(&skPath, &result, stringPath.stringPath,
                 strlen(stringPath.stringPath));
         EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
     }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
index e7b2ed1..fba25ab 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
@@ -1110,7 +1110,7 @@
         List<String> enabled = new ArrayList<String>();
         for (String id : mAdapter.getModelIds()) {
             Cursor cursor = getModel().getItem(id);
-            if (cursor != null) {
+            if (cursor == null) {
                 Log.w(TAG, "Skipping selection. Can't obtain cursor for modeId: " + id);
                 continue;
             }
@@ -1202,7 +1202,7 @@
             String id = getModelId(v);
             if (id != null) {
                 Cursor dstCursor = mModel.getItem(id);
-                if (dstCursor != null) {
+                if (dstCursor == null) {
                     Log.w(TAG, "Invalid destination. Can't obtain cursor for modelId: " + id);
                     return null;
                 }
diff --git a/packages/Shell/res/layout/confirm_repeat.xml b/packages/Shell/res/layout/confirm_repeat.xml
index d12f467..ad90af1 100644
--- a/packages/Shell/res/layout/confirm_repeat.xml
+++ b/packages/Shell/res/layout/confirm_repeat.xml
@@ -38,5 +38,5 @@
         android:id="@android:id/checkbox"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="@string/bugreport_confirm_repeat" />
+        android:text="@string/bugreport_confirm_dont_repeat" />
 </LinearLayout>
diff --git a/packages/Shell/res/values/strings.xml b/packages/Shell/res/values/strings.xml
index bee15dd..95e36fd 100644
--- a/packages/Shell/res/values/strings.xml
+++ b/packages/Shell/res/values/strings.xml
@@ -35,9 +35,9 @@
     <string name="bugreport_finished_pending_screenshot_text" product="default">Tap to share your bug report without a screenshot or wait for the screenshot to finish</string>
 
     <!-- Body of dialog informing user about contents of a bugreport. [CHAR LIMIT=NONE] -->
-    <string name="bugreport_confirm">Bug reports contain data from the system\'s various log files, including personal and private information.  Only share bug reports with apps and people you trust.</string>
-    <!-- Checkbox that indicates this dialog should be shown again when the next bugreport is taken. [CHAR LIMIT=50] -->
-    <string name="bugreport_confirm_repeat">Show this message next time</string>
+    <string name="bugreport_confirm">Bug reports contain data from the system\'s various log files, which may include data you consider sensitive (such as app-usage and location data). Only share bug reports with people and apps you trust.</string>
+    <!-- Checkbox that indicates this dialog should not be shown again when the next bugreport is taken. [CHAR LIMIT=50] -->
+    <string name="bugreport_confirm_dont_repeat">Don\'t show again</string>
 
     <!-- Title for documents backend that offers bugreports. -->
     <string name="bugreport_storage_title">Bug reports</string>
diff --git a/packages/Shell/src/com/android/shell/BugreportPrefs.java b/packages/Shell/src/com/android/shell/BugreportPrefs.java
index 3748e89..93690d4 100644
--- a/packages/Shell/src/com/android/shell/BugreportPrefs.java
+++ b/packages/Shell/src/com/android/shell/BugreportPrefs.java
@@ -22,22 +22,24 @@
 /**
  * Preferences related to bug reports.
  */
-public class BugreportPrefs {
-    private static final String PREFS_BUGREPORT = "bugreports";
+final class BugreportPrefs {
+    static final String PREFS_BUGREPORT = "bugreports";
 
     private static final String KEY_WARNING_STATE = "warning-state";
 
-    public static final int STATE_UNKNOWN = 0;
-    public static final int STATE_SHOW = 1;
-    public static final int STATE_HIDE = 2;
+    static final int STATE_UNKNOWN = 0;
+    // Shows the warning dialog.
+    static final int STATE_SHOW = 1;
+    // Skips the warning dialog.
+    static final int STATE_HIDE = 2;
 
-    public static int getWarningState(Context context, int def) {
+    static int getWarningState(Context context, int def) {
         final SharedPreferences prefs = context.getSharedPreferences(
                 PREFS_BUGREPORT, Context.MODE_PRIVATE);
         return prefs.getInt(KEY_WARNING_STATE, def);
     }
 
-    public static void setWarningState(Context context, int value) {
+    static void setWarningState(Context context, int value) {
         final SharedPreferences prefs = context.getSharedPreferences(
                 PREFS_BUGREPORT, Context.MODE_PRIVATE);
         prefs.edit().putInt(KEY_WARNING_STATE, value).apply();
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index f0ddcb9..502eed1 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -17,7 +17,8 @@
 package com.android.shell;
 
 import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
-import static com.android.shell.BugreportPrefs.STATE_SHOW;
+import static com.android.shell.BugreportPrefs.STATE_HIDE;
+import static com.android.shell.BugreportPrefs.STATE_UNKNOWN;
 import static com.android.shell.BugreportPrefs.getWarningState;
 
 import java.io.BufferedOutputStream;
@@ -927,7 +928,7 @@
         final Intent notifIntent;
 
         // Send through warning dialog by default
-        if (getWarningState(mContext, STATE_SHOW) == STATE_SHOW) {
+        if (getWarningState(mContext, STATE_UNKNOWN) != STATE_HIDE) {
             notifIntent = buildWarningIntent(mContext, sendIntent);
         } else {
             notifIntent = sendIntent;
diff --git a/packages/Shell/src/com/android/shell/BugreportWarningActivity.java b/packages/Shell/src/com/android/shell/BugreportWarningActivity.java
index a1d879a..da33a65 100644
--- a/packages/Shell/src/com/android/shell/BugreportWarningActivity.java
+++ b/packages/Shell/src/com/android/shell/BugreportWarningActivity.java
@@ -59,7 +59,7 @@
         ap.mNegativeButtonListener = this;
 
         mConfirmRepeat = (CheckBox) ap.mView.findViewById(android.R.id.checkbox);
-        mConfirmRepeat.setChecked(getWarningState(this, STATE_UNKNOWN) == STATE_SHOW);
+        mConfirmRepeat.setChecked(getWarningState(this, STATE_UNKNOWN) != STATE_SHOW);
 
         setupAlert();
     }
@@ -68,7 +68,7 @@
     public void onClick(DialogInterface dialog, int which) {
         if (which == AlertDialog.BUTTON_POSITIVE) {
             // Remember confirm state, and launch target
-            setWarningState(this, mConfirmRepeat.isChecked() ? STATE_SHOW : STATE_HIDE);
+            setWarningState(this, mConfirmRepeat.isChecked() ? STATE_HIDE : STATE_SHOW);
             startActivity(mSendIntent);
         }
 
diff --git a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
index 3eb7754..537e4c5 100644
--- a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
+++ b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
@@ -17,7 +17,14 @@
 package com.android.shell;
 
 import static android.test.MoreAsserts.assertContainsRegex;
+
 import static com.android.shell.ActionSendMultipleConsumerActivity.UI_NAME;
+import static com.android.shell.BugreportPrefs.PREFS_BUGREPORT;
+import static com.android.shell.BugreportPrefs.STATE_HIDE;
+import static com.android.shell.BugreportPrefs.STATE_SHOW;
+import static com.android.shell.BugreportPrefs.STATE_UNKNOWN;
+import static com.android.shell.BugreportPrefs.getWarningState;
+import static com.android.shell.BugreportPrefs.setWarningState;
 import static com.android.shell.BugreportProgressService.EXTRA_BUGREPORT;
 import static com.android.shell.BugreportProgressService.EXTRA_ID;
 import static com.android.shell.BugreportProgressService.EXTRA_MAX;
@@ -48,12 +55,12 @@
 import java.util.zip.ZipOutputStream;
 
 import libcore.io.Streams;
+
 import android.app.ActivityManager;
 import android.app.ActivityManager.RunningServiceInfo;
 import android.app.Instrumentation;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.content.ContextWrapper;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
@@ -62,7 +69,6 @@
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject;
 import android.support.test.uiautomator.UiObjectNotFoundException;
-import android.support.test.uiautomator.UiSelector;
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.text.TextUtils;
@@ -70,7 +76,6 @@
 import android.util.Log;
 
 import com.android.shell.ActionSendMultipleConsumerActivity.CustomActionSendMultipleListener;
-import com.android.shell.BugreportProgressService;
 
 /**
  * Integration tests for {@link BugreportReceiver}.
@@ -168,7 +173,7 @@
         }
         mDescription = sb.toString();
 
-        BugreportPrefs.setWarningState(mContext, BugreportPrefs.STATE_HIDE);
+        setWarningState(mContext, STATE_HIDE);
     }
 
     public void testProgress() throws Exception {
@@ -500,9 +505,29 @@
         assertServiceNotRunning();
     }
 
-    public void testBugreportFinished_withWarning() throws Exception {
-        // Explicitly shows the warning.
-        BugreportPrefs.setWarningState(mContext, BugreportPrefs.STATE_SHOW);
+    public void testBugreportFinished_withWarningFirstTime() throws Exception {
+        bugreportFinishedWithWarningTest(null);
+    }
+
+    public void testBugreportFinished_withWarningUnknownState() throws Exception {
+        bugreportFinishedWithWarningTest(STATE_UNKNOWN);
+    }
+
+    public void testBugreportFinished_withWarningShowAgain() throws Exception {
+        bugreportFinishedWithWarningTest(STATE_SHOW);
+    }
+
+    private void bugreportFinishedWithWarningTest(Integer propertyState) throws Exception {
+        if (propertyState == null) {
+            // Clear properties
+            mContext.getSharedPreferences(PREFS_BUGREPORT, Context.MODE_PRIVATE)
+                    .edit().clear().commit();
+            // Sanity check...
+            assertEquals("Did not reset properties", STATE_UNKNOWN,
+                    getWarningState(mContext, STATE_UNKNOWN));
+        } else {
+            setWarningState(mContext, propertyState);
+        }
 
         // Send notification and click on share.
         sendBugreportFinished(NO_ID, mPlainTextPath, null);
@@ -510,10 +535,16 @@
 
         // Handle the warning
         mUiBot.getVisibleObject(mContext.getString(R.string.bugreport_confirm));
-        // TODO: get ok and showMessageAgain from the dialog reference above
-        UiObject showMessageAgain =
-                mUiBot.getVisibleObject(mContext.getString(R.string.bugreport_confirm_repeat));
-        mUiBot.click(showMessageAgain, "show-message-again");
+        // TODO: get ok and dontShowAgain from the dialog reference above
+        UiObject dontShowAgain =
+                mUiBot.getVisibleObject(mContext.getString(R.string.bugreport_confirm_dont_repeat));
+        final boolean firstTime = propertyState == null || propertyState == STATE_UNKNOWN;
+        if (firstTime) {
+            assertTrue("Checkbox should be checked by default", dontShowAgain.isChecked());
+        } else {
+            assertFalse("Checkbox should not be checked", dontShowAgain.isChecked());
+            mUiBot.click(dontShowAgain, "dont-show-again");
+        }
         UiObject ok = mUiBot.getVisibleObject(mContext.getString(com.android.internal.R.string.ok));
         mUiBot.click(ok, "ok");
 
@@ -523,8 +554,8 @@
         assertActionSendMultiple(extras, BUGREPORT_CONTENT, NO_SCREENSHOT);
 
         // Make sure it's hidden now.
-        int newState = BugreportPrefs.getWarningState(mContext, BugreportPrefs.STATE_UNKNOWN);
-        assertEquals("Didn't change state", BugreportPrefs.STATE_HIDE, newState);
+        int newState = getWarningState(mContext, STATE_UNKNOWN);
+        assertEquals("Didn't change state", STATE_HIDE, newState);
     }
 
     public void testShareBugreportAfterServiceDies() throws Exception {
@@ -876,8 +907,8 @@
     }
 
     private String getPath(String file) {
-        File rootDir = new ContextWrapper(mContext).getFilesDir();
-        File dir = new File(rootDir, BUGREPORTS_DIR);
+        final File rootDir = mContext.getFilesDir();
+        final File dir = new File(rootDir, BUGREPORTS_DIR);
         if (!dir.exists()) {
             Log.i(TAG, "Creating directory " + dir);
             assertTrue("Could not create directory " + dir, dir.mkdir());
diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index 6ca3af8..0428ecf 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -613,23 +613,22 @@
                             | FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
                 }
             }
+            for (int j = 0; j < widgetCount; j++) {
+                Widget widget = provider.widgets.get(j);
+                if (targetWidget != null && targetWidget != widget) continue;
+                PendingIntent intent = null;
+                if (onClickIntent != null) {
+                    intent = PendingIntent.getActivity(mContext, widget.appWidgetId,
+                            onClickIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+                }
+                RemoteViews views = createMaskedWidgetRemoteViews(iconBitmap, showBadge, intent);
+                if (widget.replaceWithMaskedViewsLocked(views)) {
+                    scheduleNotifyUpdateAppWidgetLocked(widget, widget.getEffectiveViewsLocked());
+                }
+            }
         } finally {
             Binder.restoreCallingIdentity(identity);
         }
-
-        for (int j = 0; j < widgetCount; j++) {
-            Widget widget = provider.widgets.get(j);
-            if (targetWidget != null && targetWidget != widget) continue;
-            PendingIntent intent = null;
-            if (onClickIntent != null) {
-                intent = PendingIntent.getActivity(mContext, widget.appWidgetId,
-                        onClickIntent, PendingIntent.FLAG_UPDATE_CURRENT);
-            }
-            RemoteViews views = createMaskedWidgetRemoteViews(iconBitmap, showBadge, intent);
-            if (widget.replaceWithMaskedViewsLocked(views)) {
-                scheduleNotifyUpdateAppWidgetLocked(widget, widget.getEffectiveViewsLocked());
-            }
-        }
     }
 
     private void unmaskWidgetsViewsLocked(Provider provider) {
@@ -1062,8 +1061,6 @@
             widget.provider = provider;
             widget.options = (options != null) ? cloneIfLocalBinder(options) : new Bundle();
 
-            onWidgetProviderAddedOrChangedLocked(widget);
-
             // We need to provide a default value for the widget category if it is not specified
             if (!widget.options.containsKey(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY)) {
                 widget.options.putInt(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY,
@@ -1072,6 +1069,8 @@
 
             provider.widgets.add(widget);
 
+            onWidgetProviderAddedOrChangedLocked(widget);
+
             final int widgetCount = provider.widgets.size();
             if (widgetCount == 1) {
                 // Tell the provider that it's ready.
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index c01b4f5..4c75f50 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -9425,7 +9425,8 @@
             if (prev != null && prev.isRecentsActivity()) {
                 task.setTaskToReturnTo(ActivityRecord.RECENTS_ACTIVITY_TYPE);
             }
-            mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options, "moveTaskToFront");
+            mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options, "moveTaskToFront",
+                    false /* forceNonResizable */);
         } finally {
             Binder.restoreCallingIdentity(origId);
         }
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 53c6024..598d9ff 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -1759,8 +1759,8 @@
         }
     }
 
-    void findTaskToMoveToFrontLocked(
-            TaskRecord task, int flags, ActivityOptions options, String reason) {
+    void findTaskToMoveToFrontLocked(TaskRecord task, int flags, ActivityOptions options,
+            String reason, boolean forceNonResizeable) {
         if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
             mUserLeaving = true;
         }
@@ -1811,7 +1811,8 @@
         if (DEBUG_STACK) Slog.d(TAG_STACK,
                 "findTaskToMoveToFront: moved to front of stack=" + task.stack);
 
-        handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, task.stack.mStackId);
+        handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, task.stack.mStackId,
+                forceNonResizeable);
     }
 
     boolean canUseActivityOptionsLaunchBounds(ActivityOptions options, int launchStackId) {
@@ -3360,19 +3361,25 @@
         }
     }
 
+    void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredStackId, int actualStackId) {
+        handleNonResizableTaskIfNeeded(task, preferredStackId, actualStackId,
+                false /* forceNonResizable */);
+    }
+
     void handleNonResizableTaskIfNeeded(
-            TaskRecord task, int preferredStackId, int actualStackId) {
+            TaskRecord task, int preferredStackId, int actualStackId, boolean forceNonResizable) {
         if ((!isStackDockedInEffect(actualStackId) && preferredStackId != DOCKED_STACK_ID)
                 || task.isHomeTask()) {
             return;
         }
 
-        if (!task.canGoInDockedStack()) {
+        if (!task.canGoInDockedStack() || forceNonResizable) {
             // Display a warning toast that we tried to put a non-dockable task in the docked stack.
             mService.mHandler.sendEmptyMessage(NOTIFY_ACTIVITY_DISMISSING_DOCKED_STACK_MSG);
 
-            // Dismiss docked stack.
-            mService.moveTasksToFullscreenStack(DOCKED_STACK_ID, false);
+            // Dismiss docked stack. If task appeared to be in docked stack but is not resizable -
+            // we need to move it to top of fullscreen stack, otherwise it will be covered.
+            mService.moveTasksToFullscreenStack(DOCKED_STACK_ID, actualStackId == DOCKED_STACK_ID);
         } else if (task.mResizeMode == RESIZE_MODE_FORCE_RESIZEABLE) {
             String packageName = task.getTopActivity() != null
                     ? task.getTopActivity().appInfo.packageName : null;
@@ -3443,8 +3450,12 @@
         }
 
         if (andResume) {
-            findTaskToMoveToFrontLocked(task, 0, null, reason);
+            findTaskToMoveToFrontLocked(task, 0, null, reason,
+                    lockTaskModeState != LOCK_TASK_MODE_NONE);
             resumeFocusedStackTopActivityLocked();
+        } else if (lockTaskModeState != LOCK_TASK_MODE_NONE) {
+            handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, task.stack.mStackId,
+                    true /* forceNonResizable */);
         }
     }
 
diff --git a/services/core/java/com/android/server/job/JobPackageTracker.java b/services/core/java/com/android/server/job/JobPackageTracker.java
new file mode 100644
index 0000000..e5a2095
--- /dev/null
+++ b/services/core/java/com/android/server/job/JobPackageTracker.java
@@ -0,0 +1,361 @@
+/*
+ * Copyright (C) 2016 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.android.server.job;
+
+import android.app.job.JobInfo;
+import android.os.SystemClock;
+import android.os.UserHandle;
+import android.text.format.DateFormat;
+import android.util.ArrayMap;
+import android.util.SparseArray;
+import android.util.TimeUtils;
+import com.android.server.job.controllers.JobStatus;
+
+import java.io.PrintWriter;
+
+public final class JobPackageTracker {
+    // We batch every 30 minutes.
+    static final long BATCHING_TIME = 30*60*1000;
+    // Number of historical data sets we keep.
+    static final int NUM_HISTORY = 5;
+
+    DataSet mCurDataSet = new DataSet();
+    DataSet[] mLastDataSets = new DataSet[NUM_HISTORY];
+
+    final static class PackageEntry {
+        long pastActiveTime;
+        long activeStartTime;
+        int activeCount;
+        boolean hadActive;
+        long pastActiveTopTime;
+        long activeTopStartTime;
+        int activeTopCount;
+        boolean hadActiveTop;
+        long pastPendingTime;
+        long pendingStartTime;
+        int pendingCount;
+        boolean hadPending;
+
+        public long getActiveTime(long now) {
+            long time = pastActiveTime;
+            if (activeCount > 0) {
+                time += now - activeStartTime;
+            }
+            return time;
+        }
+
+        public long getActiveTopTime(long now) {
+            long time = pastActiveTopTime;
+            if (activeTopCount > 0) {
+                time += now - activeTopStartTime;
+            }
+            return time;
+        }
+
+        public long getPendingTime(long now) {
+            long time = pastPendingTime;
+            if (pendingCount > 0) {
+                time += now - pendingStartTime;
+            }
+            return time;
+        }
+    }
+
+    final static class DataSet {
+        final SparseArray<ArrayMap<String, PackageEntry>> mEntries = new SparseArray<>();
+        final long mStartUptimeTime;
+        final long mStartElapsedTime;
+        final long mStartClockTime;
+        long mSummedTime;
+
+        public DataSet(DataSet otherTimes) {
+            mStartUptimeTime = otherTimes.mStartUptimeTime;
+            mStartElapsedTime = otherTimes.mStartElapsedTime;
+            mStartClockTime = otherTimes.mStartClockTime;
+        }
+
+        public DataSet() {
+            mStartUptimeTime = SystemClock.uptimeMillis();
+            mStartElapsedTime = SystemClock.elapsedRealtime();
+            mStartClockTime = System.currentTimeMillis();
+        }
+
+        private PackageEntry getOrCreateEntry(int uid, String pkg) {
+            ArrayMap<String, PackageEntry> uidMap = mEntries.get(uid);
+            if (uidMap == null) {
+                uidMap = new ArrayMap<>();
+                mEntries.put(uid, uidMap);
+            }
+            PackageEntry entry = uidMap.get(pkg);
+            if (entry == null) {
+                entry = new PackageEntry();
+                uidMap.put(pkg, entry);
+            }
+            return entry;
+        }
+
+        public PackageEntry getEntry(int uid, String pkg) {
+            ArrayMap<String, PackageEntry> uidMap = mEntries.get(uid);
+            if (uidMap == null) {
+                return null;
+            }
+            return uidMap.get(pkg);
+        }
+
+        long getTotalTime(long now) {
+            if (mSummedTime > 0) {
+                return mSummedTime;
+            }
+            return now - mStartUptimeTime;
+        }
+
+        void incPending(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.pendingCount == 0) {
+                pe.pendingStartTime = now;
+            }
+            pe.pendingCount++;
+        }
+
+        void decPending(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.pendingCount == 1) {
+                pe.pastPendingTime += now - pe.pendingStartTime;
+            }
+            pe.pendingCount--;
+        }
+
+        void incActive(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.activeCount == 0) {
+                pe.activeStartTime = now;
+            }
+            pe.activeCount++;
+        }
+
+        void decActive(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.activeCount == 1) {
+                pe.pastActiveTime += now - pe.activeStartTime;
+            }
+            pe.activeCount--;
+        }
+
+        void incActiveTop(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.activeTopCount == 0) {
+                pe.activeTopStartTime = now;
+            }
+            pe.activeTopCount++;
+        }
+
+        void decActiveTop(int uid, String pkg, long now) {
+            PackageEntry pe = getOrCreateEntry(uid, pkg);
+            if (pe.activeTopCount == 1) {
+                pe.pastActiveTopTime += now - pe.activeTopStartTime;
+            }
+            pe.activeTopCount--;
+        }
+
+        void finish(DataSet next, long now) {
+            for (int i = mEntries.size() - 1; i >= 0; i--) {
+                ArrayMap<String, PackageEntry> uidMap = mEntries.valueAt(i);
+                for (int j = uidMap.size() - 1; j >= 0; j--) {
+                    PackageEntry pe = uidMap.valueAt(j);
+                    if (pe.activeCount > 0 || pe.activeTopCount > 0 || pe.pendingCount > 0) {
+                        // Propagate existing activity in to next data set.
+                        PackageEntry nextPe = next.getOrCreateEntry(mEntries.keyAt(i), uidMap.keyAt(j));
+                        nextPe.activeStartTime = now;
+                        nextPe.activeCount = pe.activeCount;
+                        nextPe.activeTopStartTime = now;
+                        nextPe.activeTopCount = pe.activeTopCount;
+                        nextPe.pendingStartTime = now;
+                        nextPe.pendingCount = pe.pendingCount;
+                        // Finish it off.
+                        if (pe.activeCount > 0) {
+                            pe.pastActiveTime += now - pe.activeStartTime;
+                            pe.activeCount = 0;
+                        }
+                        if (pe.activeTopCount > 0) {
+                            pe.pastActiveTopTime += now - pe.activeTopStartTime;
+                            pe.activeTopCount = 0;
+                        }
+                        if (pe.pendingCount > 0) {
+                            pe.pastPendingTime += now - pe.pendingStartTime;
+                            pe.pendingCount = 0;
+                        }
+                    }
+                }
+            }
+        }
+
+        void addTo(DataSet out, long now) {
+            out.mSummedTime += getTotalTime(now);
+            for (int i = mEntries.size() - 1; i >= 0; i--) {
+                ArrayMap<String, PackageEntry> uidMap = mEntries.valueAt(i);
+                for (int j = uidMap.size() - 1; j >= 0; j--) {
+                    PackageEntry pe = uidMap.valueAt(j);
+                    PackageEntry outPe = out.getOrCreateEntry(mEntries.keyAt(i), uidMap.keyAt(j));
+                    outPe.pastActiveTime += pe.pastActiveTime;
+                    outPe.pastActiveTopTime += pe.pastActiveTopTime;
+                    outPe.pastPendingTime += pe.pastPendingTime;
+                    if (pe.activeCount > 0) {
+                        outPe.pastActiveTime += now - pe.activeStartTime;
+                        outPe.hadActive = true;
+                    }
+                    if (pe.activeTopCount > 0) {
+                        outPe.pastActiveTopTime += now - pe.activeTopStartTime;
+                        outPe.hadActiveTop = true;
+                    }
+                    if (pe.pendingCount > 0) {
+                        outPe.pastPendingTime += now - pe.pendingStartTime;
+                        outPe.hadPending = true;
+                    }
+                }
+            }
+        }
+
+        void printDuration(PrintWriter pw, long period, long duration, String suffix) {
+            float fraction = duration / (float) period;
+            int percent = (int) ((fraction * 100) + .5f);
+            if (percent > 0) {
+                pw.print(" ");
+                pw.print(percent);
+                pw.print("% ");
+                pw.print(suffix);
+            }
+        }
+
+        void dump(PrintWriter pw, String header, String prefix, long now, long nowEllapsed) {
+            final long period = getTotalTime(now);
+            pw.print(prefix); pw.print(header); pw.print(" at ");
+            pw.print(DateFormat.format("yyyy-MM-dd-HH-mm-ss", mStartClockTime).toString());
+            pw.print(" (");
+            TimeUtils.formatDuration(mStartElapsedTime, nowEllapsed, pw);
+            pw.print(") over ");
+            TimeUtils.formatDuration(period, pw);
+            pw.println(":");
+            final int NE = mEntries.size();
+            for (int i = 0; i < NE; i++) {
+                ArrayMap<String, PackageEntry> uidMap = mEntries.valueAt(i);
+                final int NP = uidMap.size();
+                for (int j = 0; j < NP; j++) {
+                    PackageEntry pe = uidMap.valueAt(j);
+                    pw.print(prefix); pw.print("  ");
+                    UserHandle.formatUid(pw, mEntries.keyAt(i));
+                    pw.print(" / "); pw.print(uidMap.keyAt(j));
+                    pw.print(":");
+                    printDuration(pw, period, pe.getPendingTime(now), "pending");
+                    printDuration(pw, period, pe.getActiveTime(now), "active");
+                    printDuration(pw, period, pe.getActiveTopTime(now), "active-top");
+                    if (pe.pendingCount > 0 || pe.hadPending) {
+                        pw.print(" (pending)");
+                    }
+                    if (pe.activeCount > 0 || pe.hadActive) {
+                        pw.print(" (active)");
+                    }
+                    if (pe.activeTopCount > 0 || pe.hadActiveTop) {
+                        pw.print(" (active-top)");
+                    }
+                    pw.println();
+                }
+            }
+        }
+    }
+
+    void rebatchIfNeeded(long now) {
+        long totalTime = mCurDataSet.getTotalTime(now);
+        if (totalTime > BATCHING_TIME) {
+            DataSet last = mCurDataSet;
+            last.mSummedTime = totalTime;
+            mCurDataSet = new DataSet();
+            last.finish(mCurDataSet, now);
+            System.arraycopy(mLastDataSets, 0, mLastDataSets, 1, mLastDataSets.length-1);
+            mLastDataSets[0] = last;
+        }
+    }
+
+    public void notePending(JobStatus job) {
+        final long now = SystemClock.uptimeMillis();
+        rebatchIfNeeded(now);
+        mCurDataSet.incPending(job.getSourceUid(), job.getSourcePackageName(), now);
+    }
+
+    public void noteNonpending(JobStatus job) {
+        final long now = SystemClock.uptimeMillis();
+        mCurDataSet.decPending(job.getSourceUid(), job.getSourcePackageName(), now);
+        rebatchIfNeeded(now);
+    }
+
+    public void noteActive(JobStatus job) {
+        final long now = SystemClock.uptimeMillis();
+        rebatchIfNeeded(now);
+        if (job.lastEvaluatedPriority >= JobInfo.PRIORITY_TOP_APP) {
+            mCurDataSet.incActiveTop(job.getSourceUid(), job.getSourcePackageName(), now);
+        } else {
+            mCurDataSet.incActive(job.getSourceUid(), job.getSourcePackageName(), now);
+        }
+    }
+
+    public void noteInactive(JobStatus job) {
+        final long now = SystemClock.uptimeMillis();
+        if (job.lastEvaluatedPriority >= JobInfo.PRIORITY_TOP_APP) {
+            mCurDataSet.decActiveTop(job.getSourceUid(), job.getSourcePackageName(), now);
+        } else {
+            mCurDataSet.decActive(job.getSourceUid(), job.getSourcePackageName(), now);
+        }
+        rebatchIfNeeded(now);
+    }
+
+    public float getLoadFactor(JobStatus job) {
+        final int uid = job.getSourceUid();
+        final String pkg = job.getSourcePackageName();
+        PackageEntry cur = mCurDataSet.getEntry(uid, pkg);
+        PackageEntry last = mLastDataSets[0] != null ? mLastDataSets[0].getEntry(uid, pkg) : null;
+        if (cur == null && last == null) {
+            return 0;
+        }
+        final long now = SystemClock.uptimeMillis();
+        long time = cur.getActiveTime(now) + cur.getPendingTime(now);
+        long period = mCurDataSet.getTotalTime(now);
+        if (last != null) {
+            time += last.getActiveTime(now) + last.getPendingTime(now);
+            period += mLastDataSets[0].getTotalTime(now);
+        }
+        return time / (float)period;
+    }
+
+    public void dump(PrintWriter pw, String prefix) {
+        final long now = SystemClock.uptimeMillis();
+        final long nowEllapsed = SystemClock.elapsedRealtime();
+        final DataSet total;
+        if (mLastDataSets[0] != null) {
+            total = new DataSet(mLastDataSets[0]);
+            mLastDataSets[0].addTo(total, now);
+        } else {
+            total = new DataSet(mCurDataSet);
+        }
+        mCurDataSet.addTo(total, now);
+        for (int i = 1; i < mLastDataSets.length; i++) {
+            if (mLastDataSets[i] != null) {
+                mLastDataSets[i].dump(pw, "Historical stats", prefix, now, nowEllapsed);
+                pw.println();
+            }
+        }
+        total.dump(pw, "Current stats", prefix, now, nowEllapsed);
+    }
+}
diff --git a/services/core/java/com/android/server/job/JobSchedulerService.java b/services/core/java/com/android/server/job/JobSchedulerService.java
index b235002..c4a2c731 100644
--- a/services/core/java/com/android/server/job/JobSchedulerService.java
+++ b/services/core/java/com/android/server/job/JobSchedulerService.java
@@ -93,16 +93,24 @@
     public static final boolean DEBUG = false;
 
     /** The maximum number of concurrent jobs we run at one time. */
-    private static final int MAX_JOB_CONTEXTS_COUNT = 8;
+    private static final int MAX_JOB_CONTEXTS_COUNT = 12;
+    /** The number of MAX_JOB_CONTEXTS_COUNT we reserve for the foreground app. */
+    private static final int FG_JOB_CONTEXTS_COUNT = 4;
     /** Enforce a per-app limit on scheduled jobs? */
     private static final boolean ENFORCE_MAX_JOBS = true;
     /** The maximum number of jobs that we allow an unprivileged app to schedule */
     private static final int MAX_JOBS_PER_APP = 100;
+    /** This is the job execution factor that is considered to be heavy use of the system. */
+    private static final float HEAVY_USE_FACTOR = .9f;
+    /** This is the job execution factor that is considered to be moderate use of the system. */
+    private static final float MODERATE_USE_FACTOR = .5f;
 
     /** Global local for all job scheduler state. */
     final Object mLock = new Object();
     /** Master list of jobs. */
     final JobStore mJobs;
+    /** Tracking amount of time each package runs for. */
+    final JobPackageTracker mJobPackageTracker = new JobPackageTracker();
 
     static final int MSG_JOB_EXPIRED = 0;
     static final int MSG_CHECK_JOB = 1;
@@ -173,7 +181,7 @@
      * Current limit on the number of concurrent JobServiceContext entries we want to
      * keep actively running a job.
      */
-    int mMaxActiveJobs = MAX_JOB_CONTEXTS_COUNT - 2;
+    int mMaxActiveJobs = MAX_JOB_CONTEXTS_COUNT - FG_JOB_CONTEXTS_COUNT;
 
     /**
      * Which uids are currently in the foreground.
@@ -386,7 +394,9 @@
         stopTrackingJob(cancelled, incomingJob, true /* writeBack */);
         synchronized (mLock) {
             // Remove from pending queue.
-            mPendingJobs.remove(cancelled);
+            if (mPendingJobs.remove(cancelled)) {
+                mJobPackageTracker.noteNonpending(cancelled);
+            }
             // Cancel if running.
             stopJobOnServiceContextLocked(cancelled, JobParameters.REASON_CANCELED);
             reportActive();
@@ -518,7 +528,7 @@
                 // Create the "runners".
                 for (int i = 0; i < MAX_JOB_CONTEXTS_COUNT; i++) {
                     mActiveServices.add(
-                            new JobServiceContext(this, mBatteryStats,
+                            new JobServiceContext(this, mBatteryStats, mJobPackageTracker,
                                     getContext().getMainLooper()));
                 }
                 // Attach jobs to their controllers.
@@ -604,6 +614,20 @@
         return false;
     }
 
+    void noteJobsPending(List<JobStatus> jobs) {
+        for (int i = jobs.size() - 1; i >= 0; i--) {
+            JobStatus job = jobs.get(i);
+            mJobPackageTracker.notePending(job);
+        }
+    }
+
+    void noteJobsNonpending(List<JobStatus> jobs) {
+        for (int i = jobs.size() - 1; i >= 0; i--) {
+            JobStatus job = jobs.get(i);
+            mJobPackageTracker.noteNonpending(job);
+        }
+    }
+
     /**
      * Reschedules the given job based on the job's backoff policy. It doesn't make sense to
      * specify an override deadline on a failed job (the failed job will run even though it's not
@@ -759,6 +783,7 @@
                         // state is such that all ready jobs should be run immediately.
                         if (runNow != null && !mPendingJobs.contains(runNow)
                                 && mJobs.containsJob(runNow)) {
+                            mJobPackageTracker.notePending(runNow);
                             mPendingJobs.add(runNow);
                         }
                         queueReadyJobsForExecutionLockedH();
@@ -797,6 +822,7 @@
             if (DEBUG) {
                 Slog.d(TAG, "queuing all ready jobs for execution:");
             }
+            noteJobsNonpending(mPendingJobs);
             mPendingJobs.clear();
             mJobs.forEachJob(mReadyQueueFunctor);
             mReadyQueueFunctor.postProcess();
@@ -832,6 +858,7 @@
 
             public void postProcess() {
                 if (newReadyJobs != null) {
+                    noteJobsPending(newReadyJobs);
                     mPendingJobs.addAll(newReadyJobs);
                 }
                 newReadyJobs = null;
@@ -910,6 +937,7 @@
                     if (DEBUG) {
                         Slog.d(TAG, "maybeQueueReadyJobsForExecutionLockedH: Running jobs.");
                     }
+                    noteJobsPending(runnableJobs);
                     mPendingJobs.addAll(runnableJobs);
                 } else {
                     if (DEBUG) {
@@ -935,6 +963,7 @@
         private void maybeQueueReadyJobsForExecutionLockedH() {
             if (DEBUG) Slog.d(TAG, "Maybe queuing ready jobs...");
 
+            noteJobsNonpending(mPendingJobs);
             mPendingJobs.clear();
             mJobs.forEachJob(mMaybeQueueFunctor);
             mMaybeQueueFunctor.postProcess();
@@ -998,16 +1027,28 @@
         }
     }
 
+    private int adjustJobPriority(int curPriority, JobStatus job) {
+        if (curPriority < JobInfo.PRIORITY_TOP_APP) {
+            float factor = mJobPackageTracker.getLoadFactor(job);
+            if (factor >= HEAVY_USE_FACTOR) {
+                curPriority += JobInfo.PRIORITY_ADJ_ALWAYS_RUNNING;
+            } else if (factor >= MODERATE_USE_FACTOR) {
+                curPriority += JobInfo.PRIORITY_ADJ_OFTEN_RUNNING;
+            }
+        }
+        return curPriority;
+    }
+
     private int evaluateJobPriorityLocked(JobStatus job) {
         int priority = job.getPriority();
         if (priority >= JobInfo.PRIORITY_FOREGROUND_APP) {
-            return priority;
+            return adjustJobPriority(priority, job);
         }
         int override = mUidPriorityOverride.get(job.getSourceUid(), 0);
         if (override != 0) {
-            return override;
+            return adjustJobPriority(override, job);
         }
-        return priority;
+        return adjustJobPriority(priority, job);
     }
 
     /**
@@ -1029,16 +1070,16 @@
         }
         switch (memLevel) {
             case ProcessStats.ADJ_MEM_FACTOR_MODERATE:
-                mMaxActiveJobs = ((MAX_JOB_CONTEXTS_COUNT - 2) * 2) / 3;
+                mMaxActiveJobs = ((MAX_JOB_CONTEXTS_COUNT - FG_JOB_CONTEXTS_COUNT) * 2) / 3;
                 break;
             case ProcessStats.ADJ_MEM_FACTOR_LOW:
-                mMaxActiveJobs = (MAX_JOB_CONTEXTS_COUNT - 2) / 3;
+                mMaxActiveJobs = (MAX_JOB_CONTEXTS_COUNT - FG_JOB_CONTEXTS_COUNT) / 3;
                 break;
             case ProcessStats.ADJ_MEM_FACTOR_CRITICAL:
                 mMaxActiveJobs = 1;
                 break;
             default:
-                mMaxActiveJobs = MAX_JOB_CONTEXTS_COUNT - 2;
+                mMaxActiveJobs = MAX_JOB_CONTEXTS_COUNT - FG_JOB_CONTEXTS_COUNT;
                 break;
         }
 
@@ -1134,7 +1175,9 @@
                     if (!mActiveServices.get(i).executeRunnableJob(pendingJob)) {
                         Slog.d(TAG, "Error executing " + pendingJob);
                     }
-                    mPendingJobs.remove(pendingJob);
+                    if (mPendingJobs.remove(pendingJob)) {
+                        mJobPackageTracker.noteNonpending(pendingJob);
+                    }
                 }
             }
             if (!preservePreferredUid) {
@@ -1444,6 +1487,8 @@
                 pw.print(": "); pw.println(mUidPriorityOverride.valueAt(i));
             }
             pw.println();
+            mJobPackageTracker.dump(pw, "");
+            pw.println();
             pw.println("Pending queue:");
             for (int i=0; i<mPendingJobs.size(); i++) {
                 JobStatus job = mPendingJobs.get(i);
diff --git a/services/core/java/com/android/server/job/JobServiceContext.java b/services/core/java/com/android/server/job/JobServiceContext.java
index 4239248..4fd1350 100644
--- a/services/core/java/com/android/server/job/JobServiceContext.java
+++ b/services/core/java/com/android/server/job/JobServiceContext.java
@@ -105,6 +105,7 @@
     private final Context mContext;
     private final Object mLock;
     private final IBatteryStats mBatteryStats;
+    private final JobPackageTracker mJobPackageTracker;
     private PowerManager.WakeLock mWakeLock;
 
     // Execution state.
@@ -136,16 +137,18 @@
     /** Track when job will timeout. */
     private long mTimeoutElapsed;
 
-    JobServiceContext(JobSchedulerService service, IBatteryStats batteryStats, Looper looper) {
-        this(service.getContext(), service.getLock(), batteryStats, service, looper);
+    JobServiceContext(JobSchedulerService service, IBatteryStats batteryStats,
+            JobPackageTracker tracker, Looper looper) {
+        this(service.getContext(), service.getLock(), batteryStats, tracker, service, looper);
     }
 
     @VisibleForTesting
     JobServiceContext(Context context, Object lock, IBatteryStats batteryStats,
-                      JobCompletedListener completedListener, Looper looper) {
+            JobPackageTracker tracker, JobCompletedListener completedListener, Looper looper) {
         mContext = context;
         mLock = lock;
         mBatteryStats = batteryStats;
+        mJobPackageTracker = tracker;
         mCallbackHandler = new JobServiceHandler(looper);
         mCompletedListener = completedListener;
         mAvailable = true;
@@ -208,6 +211,7 @@
             } catch (RemoteException e) {
                 // Whatever.
             }
+            mJobPackageTracker.noteActive(job);
             mAvailable = false;
             return true;
         }
@@ -580,6 +584,7 @@
                     return;
                 }
                 completedJob = mRunningJob;
+                mJobPackageTracker.noteInactive(completedJob);
                 try {
                     mBatteryStats.noteJobFinish(mRunningJob.getBatteryName(),
                             mRunningJob.getSourceUid());
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 57f38d1..40ae652 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -18,6 +18,7 @@
 
 import android.Manifest;
 import android.animation.ValueAnimator;
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.ActivityManagerInternal;
@@ -153,6 +154,8 @@
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.net.Socket;
 import java.text.DateFormat;
 import java.util.ArrayList;
@@ -332,6 +335,14 @@
 
     private static final String PROPERTY_BUILD_DATE_UTC = "ro.build.date.utc";
 
+    // Enums for animation scale update types.
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({WINDOW_ANIMATION_SCALE, TRANSITION_ANIMATION_SCALE, ANIMATION_DURATION_SCALE})
+    private @interface UpdateAnimationScaleMode {};
+    private static final int WINDOW_ANIMATION_SCALE = 0;
+    private static final int TRANSITION_ANIMATION_SCALE = 1;
+    private static final int ANIMATION_DURATION_SCALE = 2;
+
     final private KeyguardDisableHandler mKeyguardDisableHandler;
 
     final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@@ -613,18 +624,42 @@
     private final class SettingsObserver extends ContentObserver {
         private final Uri mDisplayInversionEnabledUri =
                 Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED);
+        private final Uri mWindowAnimationScaleUri =
+                Settings.Global.getUriFor(Settings.Global.WINDOW_ANIMATION_SCALE);
+        private final Uri mTransitionAnimationScaleUri =
+                Settings.Global.getUriFor(Settings.Global.TRANSITION_ANIMATION_SCALE);
+        private final Uri mAnimationDurationScaleUri =
+                Settings.Global.getUriFor(Settings.Global.ANIMATOR_DURATION_SCALE);
 
         public SettingsObserver() {
             super(new Handler());
             ContentResolver resolver = mContext.getContentResolver();
             resolver.registerContentObserver(mDisplayInversionEnabledUri, false, this,
                     UserHandle.USER_ALL);
+            resolver.registerContentObserver(mWindowAnimationScaleUri, false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(mTransitionAnimationScaleUri, false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(mAnimationDurationScaleUri, false, this,
+                    UserHandle.USER_ALL);
         }
 
         @Override
         public void onChange(boolean selfChange, Uri uri) {
             if (mDisplayInversionEnabledUri.equals(uri)) {
                 updateCircularDisplayMaskIfNeeded();
+            } else {
+                @UpdateAnimationScaleMode
+                final int mode;
+                if (uri.equals(mWindowAnimationScaleUri)) {
+                    mode = WINDOW_ANIMATION_SCALE;
+                } else if (uri.equals(mTransitionAnimationScaleUri)) {
+                    mode = TRANSITION_ANIMATION_SCALE;
+                } else { // uri.equals(mAnimationDurationScaleUri)
+                    mode = ANIMATION_DURATION_SCALE;
+                }
+                Message m = mH.obtainMessage(H.UPDATE_ANIMATION_SCALE, mode, 0);
+                mH.sendMessage(m);
             }
         }
     }
@@ -7748,6 +7783,8 @@
         public static final int NOTIFY_APP_TRANSITION_FINISHED = 49;
         public static final int NOTIFY_STARTING_WINDOW_DRAWN = 50;
 
+        public static final int UPDATE_ANIMATION_SCALE = 51;
+
         /**
          * Used to denote that an integer field in a message will not be used.
          */
@@ -8030,6 +8067,36 @@
                     break;
                 }
 
+                case UPDATE_ANIMATION_SCALE: {
+                    @UpdateAnimationScaleMode
+                    final int mode = msg.arg1;
+                    switch (mode) {
+                        case WINDOW_ANIMATION_SCALE: {
+                            mWindowAnimationScaleSetting = Settings.Global.getFloat(
+                                    mContext.getContentResolver(),
+                                    Settings.Global.WINDOW_ANIMATION_SCALE,
+                                    mWindowAnimationScaleSetting);
+                            break;
+                        }
+                        case TRANSITION_ANIMATION_SCALE: {
+                            mTransitionAnimationScaleSetting = Settings.Global.getFloat(
+                                    mContext.getContentResolver(),
+                                    Settings.Global.TRANSITION_ANIMATION_SCALE,
+                                    mTransitionAnimationScaleSetting);
+                            break;
+                        }
+                        case ANIMATION_DURATION_SCALE: {
+                            mAnimatorDurationScaleSetting = Settings.Global.getFloat(
+                                    mContext.getContentResolver(),
+                                    Settings.Global.ANIMATOR_DURATION_SCALE,
+                                    mAnimatorDurationScaleSetting);
+                            dispatchNewAnimatorScaleLocked(null);
+                            break;
+                        }
+                    }
+                    break;
+                }
+
                 case FORCE_GC: {
                     synchronized (mWindowMap) {
                         // Since we're holding both mWindowMap and mAnimator we don't need to
diff --git a/tests/VoiceInteraction/src/com/android/test/voiceinteraction/AssistVisualizer.java b/tests/VoiceInteraction/src/com/android/test/voiceinteraction/AssistVisualizer.java
index 005a483..c1f0038 100644
--- a/tests/VoiceInteraction/src/com/android/test/voiceinteraction/AssistVisualizer.java
+++ b/tests/VoiceInteraction/src/com/android/test/voiceinteraction/AssistVisualizer.java
@@ -37,6 +37,8 @@
         final int parentLeft, parentTop;
         final Matrix matrix;
         final String className;
+        final float textSize;
+        final int textColor;
         final CharSequence text;
         final int scrollY;
         final int[] lineCharOffsets;
@@ -50,6 +52,8 @@
             this.parentTop = parentTop;
             this.matrix = new Matrix(matrix);
             this.className = node.getClassName();
+            this.textSize = node.getTextSize();
+            this.textColor = node.getTextColor();
             this.text = node.getText() != null ? node.getText() : node.getContentDescription();
             this.scrollY = node.getScrollY();
             this.lineCharOffsets = node.getTextLineCharOffsets();
@@ -113,7 +117,9 @@
             TextEntry te = mTextRects.get(i);
             Log.d(TAG, "View " + te.className + " " + te.bounds.toShortString()
                     + " in " + te.parentLeft + "," + te.parentTop
-                    + " matrix=" + te.matrix.toShortString() + ": "
+                    + " matrix=" + te.matrix.toShortString()
+                    + " size=" + te.textSize + " color=#" + Integer.toHexString(te.textColor)
+                    + ": "
                     + te.text);
             if (te.lineCharOffsets != null && te.lineBaselines != null) {
                 final int num = te.lineCharOffsets.length < te.lineBaselines.length
diff --git a/wifi/java/android/net/wifi/WifiScanner.java b/wifi/java/android/net/wifi/WifiScanner.java
index f8c1ea3..1a8197c 100644
--- a/wifi/java/android/net/wifi/WifiScanner.java
+++ b/wifi/java/android/net/wifi/WifiScanner.java
@@ -687,7 +687,7 @@
         Bundle scanParams = new Bundle();
         scanParams.putParcelable(SCAN_PARAMS_SCAN_SETTINGS_KEY, settings);
         scanParams.putParcelable(SCAN_PARAMS_WORK_SOURCE_KEY, workSource);
-        sAsyncChannel.sendMessage(CMD_START_BACKGROUND_SCAN, 0, key, scanParams);
+        mAsyncChannel.sendMessage(CMD_START_BACKGROUND_SCAN, 0, key, scanParams);
     }
 
     /**
@@ -700,7 +700,7 @@
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_STOP_BACKGROUND_SCAN, 0, key);
+        mAsyncChannel.sendMessage(CMD_STOP_BACKGROUND_SCAN, 0, key);
     }
     /**
      * reports currently available scan results on appropriate listeners
@@ -708,7 +708,7 @@
      */
     public boolean getScanResults() {
         validateChannel();
-        Message reply = sAsyncChannel.sendMessageSynchronously(CMD_GET_SCAN_RESULTS, 0);
+        Message reply = mAsyncChannel.sendMessageSynchronously(CMD_GET_SCAN_RESULTS, 0);
         return reply.what == CMD_OP_SUCCEEDED;
     }
 
@@ -741,7 +741,7 @@
         Bundle scanParams = new Bundle();
         scanParams.putParcelable(SCAN_PARAMS_SCAN_SETTINGS_KEY, settings);
         scanParams.putParcelable(SCAN_PARAMS_WORK_SOURCE_KEY, workSource);
-        sAsyncChannel.sendMessage(CMD_START_SINGLE_SCAN, 0, key, scanParams);
+        mAsyncChannel.sendMessage(CMD_START_SINGLE_SCAN, 0, key, scanParams);
     }
 
     /**
@@ -754,7 +754,7 @@
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_STOP_SINGLE_SCAN, 0, key);
+        mAsyncChannel.sendMessage(CMD_STOP_SINGLE_SCAN, 0, key);
     }
 
     private void startPnoScan(ScanSettings scanSettings, PnoSettings pnoSettings, int key) {
@@ -764,7 +764,7 @@
         scanSettings.isPnoScan = true;
         pnoParams.putParcelable(PNO_PARAMS_SCAN_SETTINGS_KEY, scanSettings);
         pnoParams.putParcelable(PNO_PARAMS_PNO_SETTINGS_KEY, pnoSettings);
-        sAsyncChannel.sendMessage(CMD_START_PNO_SCAN, 0, key, pnoParams);
+        mAsyncChannel.sendMessage(CMD_START_PNO_SCAN, 0, key, pnoParams);
     }
     /**
      * Start wifi connected PNO scan
@@ -820,7 +820,7 @@
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_STOP_PNO_SCAN, 0, key);
+        mAsyncChannel.sendMessage(CMD_STOP_PNO_SCAN, 0, key);
     }
 
     /** specifies information about an access point of interest */
@@ -956,7 +956,7 @@
         int key = addListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_START_TRACKING_CHANGE, 0, key);
+        mAsyncChannel.sendMessage(CMD_START_TRACKING_CHANGE, 0, key);
     }
 
     /**
@@ -968,14 +968,14 @@
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_STOP_TRACKING_CHANGE, 0, key);
+        mAsyncChannel.sendMessage(CMD_STOP_TRACKING_CHANGE, 0, key);
     }
 
     /** @hide */
     @SystemApi
     public void configureWifiChange(WifiChangeSettings settings) {
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_CONFIGURE_WIFI_CHANGE, 0, 0, settings);
+        mAsyncChannel.sendMessage(CMD_CONFIGURE_WIFI_CHANGE, 0, 0, settings);
     }
 
     /** interface to receive hotlist events on; use this on {@link #setHotlist} */
@@ -1060,7 +1060,7 @@
         HotlistSettings settings = new HotlistSettings();
         settings.bssidInfos = bssidInfos;
         settings.apLostThreshold = apLostThreshold;
-        sAsyncChannel.sendMessage(CMD_SET_HOTLIST, 0, key, settings);
+        mAsyncChannel.sendMessage(CMD_SET_HOTLIST, 0, key, settings);
     }
 
     /**
@@ -1072,7 +1072,7 @@
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_RESET_HOTLIST, 0, key);
+        mAsyncChannel.sendMessage(CMD_RESET_HOTLIST, 0, key);
     }
 
 
@@ -1137,17 +1137,14 @@
     private IWifiScanner mService;
 
     private static final int INVALID_KEY = 0;
-    private static int sListenerKey = 1;
+    private int mListenerKey = 1;
 
-    private static final SparseArray sListenerMap = new SparseArray();
-    private static final Object sListenerMapLock = new Object();
+    private final SparseArray mListenerMap = new SparseArray();
+    private final Object mListenerMapLock = new Object();
 
-    private static AsyncChannel sAsyncChannel;
-    private static CountDownLatch sConnected;
-
-    private static final Object sThreadRefLock = new Object();
-    private static int sThreadRefCount;
-    private static Handler sInternalHandler;
+    private AsyncChannel mAsyncChannel;
+    private final CountDownLatch mConnected;
+    private final Handler mInternalHandler;
 
     /**
      * Create a new WifiScanner instance.
@@ -1156,10 +1153,11 @@
      * the standard {@link android.content.Context#WIFI_SERVICE Context.WIFI_SERVICE}.
      * @param context the application context
      * @param service the Binder interface
+     * @param looper the Looper used to deliver callbacks
      * @hide
      */
-    public WifiScanner(Context context, IWifiScanner service) {
-        this(context, service, null, true);
+    public WifiScanner(Context context, IWifiScanner service, Looper looper) {
+        this(context, service, looper, true);
     }
 
     /**
@@ -1167,8 +1165,7 @@
      *
      * @param context The application context.
      * @param service The IWifiScanner Binder interface
-     * @param looper Looper for running WifiScanner operations. If null, a handler thread will be
-     *          created for running WifiScanner operations.
+     * @param looper the Looper used to deliver callbacks
      * @param waitForConnection If true, this will not return until a connection to Wifi Scanner
      *          service is established.
      * @hide
@@ -1178,50 +1175,34 @@
             boolean waitForConnection) {
         mContext = context;
         mService = service;
-        init(looper, waitForConnection);
-    }
 
-    private void init(Looper looper, boolean waitForConnection) {
-        synchronized (sThreadRefLock) {
-            if (++sThreadRefCount == 1) {
-                Messenger messenger = null;
-                try {
-                    messenger = mService.getMessenger();
-                } catch (RemoteException e) {
-                    /* do nothing */
-                } catch (SecurityException e) {
-                    /* do nothing */
-                }
+        Messenger messenger = null;
+        try {
+            messenger = mService.getMessenger();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
 
-                if (messenger == null) {
-                    sAsyncChannel = null;
-                    return;
-                }
+        if (messenger == null) {
+            throw new IllegalStateException("getMessenger() returned null!  This is invalid.");
+        }
 
-                sAsyncChannel = new AsyncChannel();
-                sConnected = new CountDownLatch(1);
+        mAsyncChannel = new AsyncChannel();
+        mConnected = new CountDownLatch(1);
 
-                if (looper == null) {
-                    HandlerThread thread = new HandlerThread("WifiScanner");
-                    thread.start();
-                    sInternalHandler = new ServiceHandler(thread.getLooper());
-                } else {
-                    sInternalHandler = new ServiceHandler(looper);
-                }
-                sAsyncChannel.connect(mContext, sInternalHandler, messenger);
-                if (waitForConnection) {
-                    try {
-                        sConnected.await();
-                    } catch (InterruptedException e) {
-                        Log.e(TAG, "interrupted wait at init");
-                    }
-                }
+        mInternalHandler = new ServiceHandler(looper);
+        mAsyncChannel.connect(mContext, mInternalHandler, messenger);
+        if (waitForConnection) {
+            try {
+                mConnected.await();
+            } catch (InterruptedException e) {
+                Log.e(TAG, "interrupted wait at init");
             }
         }
     }
 
     private void validateChannel() {
-        if (sAsyncChannel == null) throw new IllegalStateException(
+        if (mAsyncChannel == null) throw new IllegalStateException(
                 "No permission to access and change wifi or a bad initialization");
     }
 
@@ -1229,7 +1210,7 @@
     // send an error message to internal handler; Otherwise add the listener to the listener map and
     // return the key of the listener.
     private int addListener(ActionListener listener) {
-        synchronized (sListenerMap) {
+        synchronized (mListenerMapLock) {
             boolean keyExists = (getListenerKey(listener) != INVALID_KEY);
             // Note we need to put the listener into listener map even if it's a duplicate as the
             // internal handler will need the key to find the listener. In case of duplicates,
@@ -1239,7 +1220,7 @@
                 if (DBG) Log.d(TAG, "listener key already exists");
                 OperationResult operationResult = new OperationResult(REASON_DUPLICATE_REQEUST,
                         "Outstanding request with same key not stopped yet");
-                Message message = Message.obtain(sInternalHandler, CMD_OP_FAILED, 0, key,
+                Message message = Message.obtain(mInternalHandler, CMD_OP_FAILED, 0, key,
                         operationResult);
                 message.sendToTarget();
                 return INVALID_KEY;
@@ -1249,55 +1230,55 @@
         }
     }
 
-    private static int putListener(Object listener) {
+    private int putListener(Object listener) {
         if (listener == null) return INVALID_KEY;
         int key;
-        synchronized (sListenerMapLock) {
+        synchronized (mListenerMapLock) {
             do {
-                key = sListenerKey++;
+                key = mListenerKey++;
             } while (key == INVALID_KEY);
-            sListenerMap.put(key, listener);
+            mListenerMap.put(key, listener);
         }
         return key;
     }
 
-    private static Object getListener(int key) {
+    private Object getListener(int key) {
         if (key == INVALID_KEY) return null;
-        synchronized (sListenerMapLock) {
-            Object listener = sListenerMap.get(key);
+        synchronized (mListenerMapLock) {
+            Object listener = mListenerMap.get(key);
             return listener;
         }
     }
 
-    private static int getListenerKey(Object listener) {
+    private int getListenerKey(Object listener) {
         if (listener == null) return INVALID_KEY;
-        synchronized (sListenerMapLock) {
-            int index = sListenerMap.indexOfValue(listener);
+        synchronized (mListenerMapLock) {
+            int index = mListenerMap.indexOfValue(listener);
             if (index == -1) {
                 return INVALID_KEY;
             } else {
-                return sListenerMap.keyAt(index);
+                return mListenerMap.keyAt(index);
             }
         }
     }
 
-    private static Object removeListener(int key) {
+    private Object removeListener(int key) {
         if (key == INVALID_KEY) return null;
-        synchronized (sListenerMapLock) {
-            Object listener = sListenerMap.get(key);
-            sListenerMap.remove(key);
+        synchronized (mListenerMapLock) {
+            Object listener = mListenerMap.get(key);
+            mListenerMap.remove(key);
             return listener;
         }
     }
 
-    private static int removeListener(Object listener) {
+    private int removeListener(Object listener) {
         int key = getListenerKey(listener);
         if (key == INVALID_KEY) {
             Log.e(TAG, "listener cannot be found");
             return key;
         }
-        synchronized (sListenerMapLock) {
-            sListenerMap.remove(key);
+        synchronized (mListenerMapLock) {
+            mListenerMap.remove(key);
             return key;
         }
     }
@@ -1338,7 +1319,7 @@
                 };
     }
 
-    private static class ServiceHandler extends Handler {
+    private class ServiceHandler extends Handler {
         ServiceHandler(Looper looper) {
             super(looper);
         }
@@ -1347,14 +1328,14 @@
             switch (msg.what) {
                 case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
                     if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) {
-                        sAsyncChannel.sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);
+                        mAsyncChannel.sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);
                     } else {
                         Log.e(TAG, "Failed to set up channel connection");
                         // This will cause all further async API calls on the WifiManager
                         // to fail and throw an exception
-                        sAsyncChannel = null;
+                        mAsyncChannel = null;
                     }
-                    sConnected.countDown();
+                    mConnected.countDown();
                     return;
                 case AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED:
                     return;
@@ -1362,7 +1343,7 @@
                     Log.e(TAG, "Channel connection lost");
                     // This will cause all further async API calls on the WifiManager
                     // to fail and throw an exception
-                    sAsyncChannel = null;
+                    mAsyncChannel = null;
                     getLooper().quit();
                     return;
             }