Merge "add all those great comments from the other file." into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index 0376380..8be9256 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -5608,8 +5608,6 @@
     method public void enableCarMode(int);
     method public int getCurrentModeType();
     method public int getNightMode();
-    method public boolean isNightModeLocked();
-    method public boolean isUiModeLocked();
     method public void setNightMode(int);
     field public static java.lang.String ACTION_ENTER_CAR_MODE;
     field public static java.lang.String ACTION_ENTER_DESK_MODE;
diff --git a/api/system-current.txt b/api/system-current.txt
index b4d0c39..96c903c 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5740,8 +5740,6 @@
     method public void enableCarMode(int);
     method public int getCurrentModeType();
     method public int getNightMode();
-    method public boolean isNightModeLocked();
-    method public boolean isUiModeLocked();
     method public void setNightMode(int);
     field public static java.lang.String ACTION_ENTER_CAR_MODE;
     field public static java.lang.String ACTION_ENTER_DESK_MODE;
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 32751b2..be89b20 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -41,6 +41,7 @@
 import android.content.IntentSender;
 import android.content.SharedPreferences;
 import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Configuration;
@@ -68,6 +69,7 @@
 import android.os.PersistableBundle;
 import android.os.RemoteException;
 import android.os.StrictMode;
+import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.text.Selection;
 import android.text.SpannableStringBuilder;
@@ -110,6 +112,7 @@
 import android.view.WindowManagerGlobal;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.AdapterView;
+import android.widget.Toast;
 import android.widget.Toolbar;
 
 import com.android.internal.app.IVoiceInteractor;
@@ -832,6 +835,8 @@
     private boolean mHasCurrentPermissionsRequest;
     private boolean mEatKeyUpEvent;
 
+    private static native String getDlWarning();
+
     /** Return the intent that started this activity. */
     public Intent getIntent() {
         return mIntent;
@@ -1119,34 +1124,6 @@
     }
 
     /**
-     * Attempts to extract the color from a given drawable.
-     *
-     * @return the extracted color or 0 if no color could be extracted.
-     */
-    private int tryExtractColorFromDrawable(Drawable drawable) {
-        if (drawable instanceof ColorDrawable) {
-            return ((ColorDrawable) drawable).getColor();
-        } else if (drawable instanceof InsetDrawable) {
-            return tryExtractColorFromDrawable(((InsetDrawable) drawable).getDrawable());
-        } else if (drawable instanceof ShapeDrawable) {
-            Paint p = ((ShapeDrawable) drawable).getPaint();
-            if (p != null) {
-                return p.getColor();
-            }
-        } else if (drawable instanceof LayerDrawable) {
-            LayerDrawable ld = (LayerDrawable) drawable;
-            int numLayers = ld.getNumberOfLayers();
-            for (int i = 0; i < numLayers; i++) {
-                int color = tryExtractColorFromDrawable(ld.getDrawable(i));
-                if (color != 0) {
-                    return color;
-                }
-            }
-        }
-        return 0;
-    }
-
-    /**
      * Called when activity start-up is complete (after {@link #onStart}
      * and {@link #onRestoreInstanceState} have been called).  Applications will
      * generally not implement this method; it is intended for system
@@ -1168,35 +1145,6 @@
             onTitleChanged(getTitle(), getTitleColor());
         }
 
-        Resources.Theme theme = getTheme();
-        if (theme != null) {
-            // Get the primary color and update the TaskDescription for this activity
-            TypedArray a = theme.obtainStyledAttributes(
-                    com.android.internal.R.styleable.ActivityTaskDescription);
-            if (mTaskDescription.getPrimaryColor() == 0) {
-                int colorPrimary = a.getColor(
-                        com.android.internal.R.styleable.ActivityTaskDescription_colorPrimary, 0);
-                if (colorPrimary != 0 && Color.alpha(colorPrimary) == 0xFF) {
-                    mTaskDescription.setPrimaryColor(colorPrimary);
-                }
-            }
-            if (mTaskDescription.getBackgroundColor() == 0) {
-                int windowBgResourceId = a.getResourceId(
-                        com.android.internal.R.styleable.ActivityTaskDescription_windowBackground,
-                        0);
-                int windowBgFallbackResourceId = a.getResourceId(
-                        com.android.internal.R.styleable.ActivityTaskDescription_windowBackgroundFallback,
-                        0);
-                int colorBg = tryExtractColorFromDrawable(DecorView.getResizingBackgroundDrawable(
-                        this, windowBgResourceId, windowBgFallbackResourceId));
-                if (colorBg != 0 && Color.alpha(colorBg) == 0xFF) {
-                    mTaskDescription.setBackgroundColor(colorBg);
-                }
-            }
-            a.recycle();
-            setTaskDescription(mTaskDescription);
-        }
-
         mCalled = true;
     }
 
@@ -4036,6 +3984,27 @@
             }
             theme.applyStyle(resid, false);
         }
+
+        // Get the primary color and update the TaskDescription for this activity
+        TypedArray a = theme.obtainStyledAttributes(
+                com.android.internal.R.styleable.ActivityTaskDescription);
+        if (mTaskDescription.getPrimaryColor() == 0) {
+            int colorPrimary = a.getColor(
+                    com.android.internal.R.styleable.ActivityTaskDescription_colorPrimary, 0);
+            if (colorPrimary != 0 && Color.alpha(colorPrimary) == 0xFF) {
+                mTaskDescription.setPrimaryColor(colorPrimary);
+            }
+        }
+        // For dev-preview only.
+        if (mTaskDescription.getBackgroundColor() == 0) {
+            int colorBackground = a.getColor(
+                    com.android.internal.R.styleable.ActivityTaskDescription_colorBackground, 0);
+            if (colorBackground != 0 && Color.alpha(colorBackground) == 0xFF) {
+                mTaskDescription.setBackgroundColor(colorBackground);
+            }
+        }
+        a.recycle();
+        setTaskDescription(mTaskDescription);
     }
 
     /**
@@ -6621,6 +6590,31 @@
         }
         mFragments.dispatchStart();
         mFragments.reportLoaderStart();
+
+        // This property is set for all builds except final release
+        boolean isDlwarningEnabled = SystemProperties.getInt("ro.bionic.ld.warning", 0) == 1;
+        boolean isAppDebuggable =
+                (mApplication.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
+
+        if (isAppDebuggable || isDlwarningEnabled) {
+            String dlwarning = getDlWarning();
+            if (dlwarning != null) {
+                String appName = getString(mApplication.getApplicationInfo().labelRes);
+                String warning = "Detected problems with app native libraries\n" +
+                                 "(please consult log for detail):\n" + dlwarning;
+                if (isAppDebuggable) {
+                      new AlertDialog.Builder(this).
+                          setTitle(appName).
+                          setMessage(warning).
+                          setPositiveButton(android.R.string.ok, null).
+                          setCancelable(false).
+                          show();
+                } else {
+                    Toast.makeText(this, appName + "\n" + warning, Toast.LENGTH_LONG).show();
+                }
+            }
+        }
+
         mActivityTransitionState.enterReady(this);
     }
 
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index f2a8ea5..0d8069e 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -4804,8 +4804,9 @@
 
     // Keep in sync with installd (frameworks/native/cmds/installd/commands.cpp).
     private static File getPrimaryProfileFile(String packageName) {
-         return new File("/data/misc/profiles/cur/" + UserHandle.myUserId() +
-              "/" + packageName + "/primary.prof");
+        File profileDir = Environment.getDataProfilesDePackageDirectory(
+                UserHandle.myUserId(), packageName);
+        return new File(profileDir, "primary.prof");
     }
 
     private static void setupJitProfileSupport(LoadedApk loadedApk, File cacheDir) {
@@ -4848,8 +4849,17 @@
             }
         }
 
+        final File foreignDexProfilesFile =
+                Environment.getDataProfilesDeForeignDexDirectory(UserHandle.myUserId());
+        String foreignDexProfilesPath = null;
+        if (!foreignDexProfilesFile.exists()) {
+            Log.v(TAG, "ForeignDexProfilesPath does not exists:" +
+                    foreignDexProfilesFile.getPath());
+        } else {
+            foreignDexProfilesPath = foreignDexProfilesFile.getAbsolutePath();
+        }
         VMRuntime.registerAppInfo(profileFile.getAbsolutePath(), appInfo.dataDir,
-                codePaths.toArray(new String[codePaths.size()]));
+                codePaths.toArray(new String[codePaths.size()]), foreignDexProfilesPath);
     }
 
     private void updateDefaultDensity() {
diff --git a/core/java/android/app/FragmentManager.java b/core/java/android/app/FragmentManager.java
index 78a054b..04110c6 100644
--- a/core/java/android/app/FragmentManager.java
+++ b/core/java/android/app/FragmentManager.java
@@ -1525,7 +1525,7 @@
             throw new IllegalStateException("Must be called from main thread of fragment host");
         }
 
-        if (allowStateLoss) {
+        if (!allowStateLoss) {
             checkStateLoss();
         }
 
diff --git a/core/java/android/app/UiModeManager.java b/core/java/android/app/UiModeManager.java
index 56b4249..1ec6878 100644
--- a/core/java/android/app/UiModeManager.java
+++ b/core/java/android/app/UiModeManager.java
@@ -17,6 +17,7 @@
 package android.app;
 
 import android.annotation.IntDef;
+import android.annotation.TestApi;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.RemoteException;
@@ -266,7 +267,9 @@
     /**
      * @return If UI mode is locked or not. When UI mode is locked, calls to change UI mode
      *         like {@link #enableCarMode(int)} will silently fail.
+     * @hide
      */
+    @TestApi
     public boolean isUiModeLocked() {
         if (mService != null) {
             try {
@@ -286,7 +289,9 @@
      * mode will fail silently.
      *
      * @return {@code true} if night mode is locked or {@code false} otherwise
+     * @hide
      */
+    @TestApi
     public boolean isNightModeLocked() {
         if (mService != null) {
             try {
diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index 1085b1e..307bd2d 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -258,6 +258,20 @@
         return buildPath(getDataDirectory(), "misc_de", String.valueOf(userId));
     }
 
+    private static File getDataProfilesDeDirectory(int userId) {
+        return buildPath(getDataDirectory(), "misc", "profiles", "cur", String.valueOf(userId));
+    }
+
+    /** {@hide} */
+    public static File getDataProfilesDePackageDirectory(int userId, String packageName) {
+        return buildPath(getDataProfilesDeDirectory(userId), packageName);
+    }
+
+    /** {@hide} */
+    public static File getDataProfilesDeForeignDexDirectory(int userId) {
+        return buildPath(getDataProfilesDeDirectory(userId), "foreign-dex");
+    }
+
     /** {@hide} */
     public static File getDataAppDirectory(String volumeUuid) {
         return new File(getDataDirectory(volumeUuid), "app");
@@ -493,7 +507,7 @@
      * </ul>
      * @hide
      */
-    private static final String[] STANDARD_DIRECTORIES = {
+    public static final String[] STANDARD_DIRECTORIES = {
             DIRECTORY_MUSIC,
             DIRECTORY_PODCASTS,
             DIRECTORY_RINGTONES,
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 95fcdc1..f19bf02 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -662,11 +662,12 @@
      */
     private int mDeviceProvisionedState = DEVICE_PROVISIONED_UNKNOWN;
 
-    /*
+    /**
      * Kick-start the font cache for the zygote process (to pay the cost of
      * initializing freetype for our default font only once).
+     * @hide
      */
-    static {
+    public static void preloadFontCache() {
         Paint p = new Paint();
         p.setAntiAlias(true);
         // We don't care about the result, just the side-effect of measuring.
diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index 6ad9e20..eb509c2 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -36,6 +36,7 @@
 import android.util.EventLog;
 import android.util.Log;
 import android.webkit.WebViewFactory;
+import android.widget.TextView;
 
 import com.android.internal.os.InstallerConnection.InstallerException;
 
@@ -214,6 +215,7 @@
 
     private static void preloadTextResources() {
         Hyphenator.init();
+        TextView.preloadFontCache();
     }
 
     /**
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index d5f080a..ed3fe42 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -33,6 +33,7 @@
     com_android_internal_content_NativeLibraryHelper.cpp \
     com_google_android_gles_jni_EGLImpl.cpp \
     com_google_android_gles_jni_GLImpl.cpp.arm \
+    android_app_Activity.cpp \
     android_app_ApplicationLoaders.cpp \
     android_app_NativeActivity.cpp \
     android_auditing_SecurityLog.cpp \
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 6ed07a7..2a04526 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -178,6 +178,7 @@
 extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
 extern int register_android_app_backup_FullBackup(JNIEnv *env);
 extern int register_android_app_ApplicationLoaders(JNIEnv* env);
+extern int register_android_app_Activity(JNIEnv *env);
 extern int register_android_app_ActivityThread(JNIEnv *env);
 extern int register_android_app_NativeActivity(JNIEnv *env);
 extern int register_android_media_RemoteDisplay(JNIEnv *env);
@@ -1373,6 +1374,7 @@
     REG_JNI(register_android_backup_BackupHelperDispatcher),
     REG_JNI(register_android_app_backup_FullBackup),
     REG_JNI(register_android_app_ApplicationLoaders),
+    REG_JNI(register_android_app_Activity),
     REG_JNI(register_android_app_ActivityThread),
     REG_JNI(register_android_app_NativeActivity),
     REG_JNI(register_android_util_jar_StrictJarFile),
diff --git a/core/jni/android_app_Activity.cpp b/core/jni/android_app_Activity.cpp
new file mode 100644
index 0000000..b1d7e82
--- /dev/null
+++ b/core/jni/android_app_Activity.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#include <poll.h>
+#include <android/dlext.h>
+
+#include "core_jni_helpers.h"
+
+namespace android
+{
+
+static jstring getDlWarning_native(JNIEnv* env, jobject) {
+    const char* text = android_dlwarning();
+    return text == nullptr ? nullptr : env->NewStringUTF(text);
+}
+
+static const JNINativeMethod g_methods[] = {
+    { "getDlWarning",
+        "()Ljava/lang/String;",
+        reinterpret_cast<void*>(getDlWarning_native) },
+};
+
+static const char* const kActivityPathName = "android/app/Activity";
+
+int register_android_app_Activity(JNIEnv* env) {
+    return RegisterMethodsOrDie(env, kActivityPathName, g_methods, NELEM(g_methods));
+}
+
+} // namespace android
diff --git a/core/jni/android_media_AudioSystem.cpp b/core/jni/android_media_AudioSystem.cpp
index 2fb7498..1eb0111 100644
--- a/core/jni/android_media_AudioSystem.cpp
+++ b/core/jni/android_media_AudioSystem.cpp
@@ -320,7 +320,7 @@
 static jint
 android_media_AudioSystem_newAudioSessionId(JNIEnv *env, jobject thiz)
 {
-    return AudioSystem::newAudioUniqueId();
+    return AudioSystem::newAudioUniqueId(AUDIO_UNIQUE_ID_USE_SESSION);
 }
 
 static jint
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 7c02128..90a573b 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -8189,11 +8189,8 @@
         <!-- @hide From Theme.colorPrimary, used for the TaskDescription primary 
                    color. -->
         <attr name="colorPrimary" />
-        <!-- @hide From Theme.windowBackground, used for calculating the 
-                   TaskDescription background color. -->
-        <attr name="windowBackground" />
-        <!-- @hide From Theme.windowBackgroundFallback, used for calculating the 
-                   TaskDescription background color. -->
-        <attr name="windowBackgroundFallback" />
+        <!-- @hide From Theme.colorBackground, used for the TaskDescription background 
+                   color. -->
+        <attr name="colorBackground" />
     </declare-styleable>
 </resources>
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index f02e8375..c48bfc5 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -1214,13 +1214,12 @@
      * An underrun occurs if the application does not write audio
      * data quickly enough, causing the buffer to underflow
      * and a potential audio glitch or pop.
+     * <p>
      * Underruns are less likely when buffer sizes are large.
-     * <p> Though the "int" type is signed 32-bits, the value should be reinterpreted
-     * as if it is unsigned 32-bits.
-     * That is, the next position after 0x7FFFFFFF is (int) 0x80000000.
-     * This is a continuously advancing counter. It can wrap around to zero
-     * if there are too many underruns. If there were, for example, 68 underruns per
-     * second then the counter would wrap in 2 years.
+     * It may be possible to eliminate underruns by recreating the AudioTrack with
+     * a larger buffer.
+     * Or by using {@link #setBufferSizeInFrames(int)} to dynamically increase the
+     * effective size of the buffer.
      */
     public int getUnderrunCount() {
         return native_get_underrun_count();
diff --git a/packages/DocumentsUI/src/com/android/documentsui/Metrics.java b/packages/DocumentsUI/src/com/android/documentsui/Metrics.java
index bff65d5..dcaea15 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Metrics.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Metrics.java
@@ -16,10 +16,12 @@
 
 package com.android.documentsui;
 
+import static android.os.Environment.STANDARD_DIRECTORIES;
 import static com.android.documentsui.Shared.DEBUG;
-
 import android.annotation.IntDef;
 import android.annotation.Nullable;
+import android.annotation.StringDef;
+import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
@@ -32,6 +34,7 @@
 import com.android.documentsui.services.FileOperationService;
 import com.android.documentsui.services.FileOperationService.OpType;
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -376,6 +379,84 @@
         logHistogram(context, histogram, getOpCode(operationType, PROVIDER_INTRA));
     }
 
+    // Types for logInvalidScopedAccessRequest
+    public static final String SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS =
+            "scoped_directory_access_invalid_args";
+    public static final String SCOPED_DIRECTORY_ACCESS_INVALID_DIRECTORY =
+            "scoped_directory_access_invalid_dir";
+    public static final String SCOPED_DIRECTORY_ACCESS_ERROR =
+            "scoped_directory_access_error";
+
+    @StringDef(value = {
+            SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS,
+            SCOPED_DIRECTORY_ACCESS_INVALID_DIRECTORY,
+            SCOPED_DIRECTORY_ACCESS_ERROR
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface InvalidScopedAccess{}
+
+    public static void logInvalidScopedAccessRequest(Context context,
+            @InvalidScopedAccess String type) {
+        MetricsLogger.count(context, type, 1);
+        switch (type) {
+            case SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS:
+            case SCOPED_DIRECTORY_ACCESS_INVALID_DIRECTORY:
+            case SCOPED_DIRECTORY_ACCESS_ERROR:
+                MetricsLogger.count(context, type, 1);
+                break;
+            default:
+                Log.wtf(TAG, "invalid InvalidScopedAccess: " + type);
+        }
+    }
+
+    // Types for logValidScopedAccessRequest
+    public static final int SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED = 0;
+    public static final int SCOPED_DIRECTORY_ACCESS_GRANTED = 1;
+    public static final int SCOPED_DIRECTORY_ACCESS_DENIED = 2;
+
+    @IntDef(flag = true, value = {
+            SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED,
+            SCOPED_DIRECTORY_ACCESS_GRANTED,
+            SCOPED_DIRECTORY_ACCESS_DENIED
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface ScopedAccessGrant {}
+
+    public static void logValidScopedAccessRequest(Activity activity, String directory,
+            @ScopedAccessGrant int type) {
+        int index = -1;
+        for (int i = 0; i < STANDARD_DIRECTORIES.length; i++) {
+            if (STANDARD_DIRECTORIES[i].equals(directory)) {
+                index = i;
+                break;
+            }
+        }
+        final String packageName = activity.getCallingPackage();
+        switch (type) {
+            case SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED:
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED_BY_PACKAGE,
+                        packageName);
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED_BY_FOLDER, index);
+                break;
+            case SCOPED_DIRECTORY_ACCESS_GRANTED:
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_GRANTED_BY_PACKAGE, packageName);
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_GRANTED_BY_FOLDER, index);
+                break;
+            case SCOPED_DIRECTORY_ACCESS_DENIED:
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_DENIED_BY_PACKAGE, packageName);
+                MetricsLogger.action(activity,
+                        MetricsEvent.ACTION_SCOPED_DIRECTORY_ACCESS_DENIED_BY_FOLDER, index);
+                break;
+            default:
+                Log.wtf(TAG, "invalid ScopedAccessGrant: " + type);
+        }
+    }
+
     /**
      * Internal method for making a MetricsLogger.count call. Increments the given counter by 1.
      *
diff --git a/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java b/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java
index 27d6797..dc529ce 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/OpenExternalDirectoryActivity.java
@@ -17,9 +17,18 @@
 package com.android.documentsui;
 
 import static android.os.Environment.isStandardDirectory;
+import static android.os.Environment.STANDARD_DIRECTORIES;
 import static android.os.storage.StorageVolume.EXTRA_DIRECTORY_NAME;
 import static android.os.storage.StorageVolume.EXTRA_STORAGE_VOLUME;
 import static com.android.documentsui.Shared.DEBUG;
+import static com.android.documentsui.Metrics.logInvalidScopedAccessRequest;
+import static com.android.documentsui.Metrics.logValidScopedAccessRequest;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_DENIED;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_ERROR;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_GRANTED;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS;
+import static com.android.documentsui.Metrics.SCOPED_DIRECTORY_ACCESS_INVALID_DIRECTORY;
 
 import android.app.Activity;
 import android.app.ActivityManager;
@@ -73,6 +82,7 @@
         final Intent intent = getIntent();
         if (intent == null) {
             if (DEBUG) Log.d(TAG, "missing intent");
+            logInvalidScopedAccessRequest(this, SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS);
             setResult(RESULT_CANCELED);
             finish();
             return;
@@ -82,12 +92,14 @@
             if (DEBUG)
                 Log.d(TAG, "extra " + EXTRA_STORAGE_VOLUME + " is not a StorageVolume: "
                         + storageVolume);
+            logInvalidScopedAccessRequest(this, SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS);
             setResult(RESULT_CANCELED);
             finish();
             return;
         }
         final String directoryName = intent.getStringExtra(EXTRA_DIRECTORY_NAME);
         if (directoryName == null) {
+            logInvalidScopedAccessRequest(this, SCOPED_DIRECTORY_ACCESS_INVALID_ARGUMENTS);
             if (DEBUG) Log.d(TAG, "missing extra " + EXTRA_DIRECTORY_NAME + " on " + intent);
             setResult(RESULT_CANCELED);
             finish();
@@ -125,6 +137,7 @@
         } catch (IOException e) {
             Log.e(TAG, "Could not get canonical file for volume " + storageVolume.dump()
                     + " and directory " + directoryName);
+            logInvalidScopedAccessRequest(activity, SCOPED_DIRECTORY_ACCESS_ERROR);
             return false;
         }
         final StorageManager sm =
@@ -138,6 +151,7 @@
             if (DEBUG)
                 Log.d(TAG, "Directory '" + directory + "' is not standard (full path: '"
                         + file.getAbsolutePath() + "')");
+            logInvalidScopedAccessRequest(activity, SCOPED_DIRECTORY_ACCESS_INVALID_DIRECTORY);
             return false;
         }
 
@@ -159,6 +173,8 @@
         // Checks if the user has granted the permission already.
         final Intent intent = getIntentForExistingPermission(activity, file);
         if (intent != null) {
+            logValidScopedAccessRequest(activity, directory,
+                    SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED);
             activity.setResult(RESULT_OK, intent);
             activity.finish();
             return true;
@@ -166,12 +182,14 @@
 
         if (volumeLabel == null) {
             Log.e(TAG, "Could not get volume for " + file);
+            logInvalidScopedAccessRequest(activity, SCOPED_DIRECTORY_ACCESS_ERROR);
             return false;
         }
 
         // Gets the package label.
         final String appLabel = getAppLabel(activity);
         if (appLabel == null) {
+            // Error already logged.
             return false;
         }
 
@@ -198,6 +216,7 @@
         try {
             return pm.getApplicationLabel(pm.getApplicationInfo(packageName, 0)).toString();
         } catch (NameNotFoundException e) {
+            logInvalidScopedAccessRequest(activity, SCOPED_DIRECTORY_ACCESS_ERROR);
             Log.w(TAG, "Could not get label for package " + packageName);
             return null;
         }
@@ -217,18 +236,21 @@
         return volume.isVisibleForWrite(userId) && root.equals(path);
     }
 
-    private static Uri getGrantedUriPermission(ContentProviderClient provider, File file) {
+    private static Uri getGrantedUriPermission(Context context, ContentProviderClient provider,
+            File file) {
         // Calls ExternalStorageProvider to get the doc id for the file
         final Bundle bundle;
         try {
             bundle = provider.call("getDocIdForFileCreateNewDir", file.getPath(), null);
         } catch (RemoteException e) {
             Log.e(TAG, "Did not get doc id from External Storage provider for " + file, e);
+            logInvalidScopedAccessRequest(context, SCOPED_DIRECTORY_ACCESS_ERROR);
             return null;
         }
         final String docId = bundle == null ? null : bundle.getString("DOC_ID");
         if (docId == null) {
             Log.e(TAG, "Did not get doc id from External Storage provider for " + file);
+            logInvalidScopedAccessRequest(context, SCOPED_DIRECTORY_ACCESS_ERROR);
             return null;
         }
         Log.d(TAG, "doc id for " + file + ": " + docId);
@@ -242,9 +264,9 @@
         return uri;
     }
 
-    private static Intent createGrantedUriPermissionsIntent(ContentProviderClient provider,
-            File file) {
-        final Uri uri = getGrantedUriPermission(provider, file);
+    private static Intent createGrantedUriPermissionsIntent(Context context,
+            ContentProviderClient provider, File file) {
+        final Uri uri = getGrantedUriPermission(context, provider, file);
         return createGrantedUriPermissionsIntent(uri);
     }
 
@@ -261,7 +283,8 @@
     private static Intent getIntentForExistingPermission(OpenExternalDirectoryActivity activity,
             File file) {
         final String packageName = activity.getCallingPackage();
-        final Uri grantedUri = getGrantedUriPermission(activity.getExternalStorageClient(), file);
+        final Uri grantedUri =
+                getGrantedUriPermission(activity, activity.getExternalStorageClient(), file);
         if (DEBUG)
             Log.d(TAG, "checking if " + packageName + " already has permission for " + grantedUri);
         final ActivityManager am =
@@ -298,7 +321,7 @@
 
         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
-            final String folder = mFile.getName();
+            final String directory = mFile.getName();
             final Activity activity = getActivity();
             final OnClickListener listener = new OnClickListener() {
 
@@ -306,12 +329,16 @@
                 public void onClick(DialogInterface dialog, int which) {
                     Intent intent = null;
                     if (which == DialogInterface.BUTTON_POSITIVE) {
-                        intent = createGrantedUriPermissionsIntent(
+                        intent = createGrantedUriPermissionsIntent(mActivity,
                                 mActivity.getExternalStorageClient(), mFile);
                     }
                     if (which == DialogInterface.BUTTON_NEGATIVE || intent == null) {
+                        logValidScopedAccessRequest(activity, directory,
+                                SCOPED_DIRECTORY_ACCESS_DENIED);
                         activity.setResult(RESULT_CANCELED);
                     } else {
+                        logValidScopedAccessRequest(activity, directory,
+                                SCOPED_DIRECTORY_ACCESS_GRANTED);
                         activity.setResult(RESULT_OK, intent);
                     }
                     activity.finish();
@@ -320,7 +347,7 @@
 
             final CharSequence message = TextUtils
                     .expandTemplate(
-                            getText(R.string.open_external_dialog_request), mAppLabel, folder,
+                            getText(R.string.open_external_dialog_request), mAppLabel, directory,
                             mVolumeLabel);
             return new AlertDialog.Builder(activity, R.style.AlertDialogTheme)
                     .setMessage(message)
@@ -333,6 +360,7 @@
         public void onCancel(DialogInterface dialog) {
             super.onCancel(dialog);
             final Activity activity = getActivity();
+            logValidScopedAccessRequest(activity, mFile.getName(), SCOPED_DIRECTORY_ACCESS_DENIED);
             activity.setResult(RESULT_CANCELED);
             activity.finish();
         }
diff --git a/packages/SystemUI/res/drawable/qs_background_secondary.xml b/packages/SystemUI/res/drawable/qs_background_secondary.xml
deleted file mode 100644
index 31c0162..0000000
--- a/packages/SystemUI/res/drawable/qs_background_secondary.xml
+++ /dev/null
@@ -1,21 +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.
--->
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/system_secondary_color" />
-    <corners
-        android:topLeftRadius="0dp"
-        android:topRightRadius="0dp" />
-</shape>
diff --git a/packages/SystemUI/res/drawable/qs_customizer_background.xml b/packages/SystemUI/res/drawable/qs_customizer_background.xml
index 6bb27cc..d90f820 100644
--- a/packages/SystemUI/res/drawable/qs_customizer_background.xml
+++ b/packages/SystemUI/res/drawable/qs_customizer_background.xml
@@ -15,5 +15,5 @@
 -->
 <transition xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/qs_detail_transition" />
-    <item android:drawable="?android:attr/windowBackground" />
+    <item android:drawable="@color/system_primary_color" />
 </transition>
diff --git a/packages/SystemUI/res/layout/notification_guts.xml b/packages/SystemUI/res/layout/notification_guts.xml
index 62f2b47..4b0c834 100644
--- a/packages/SystemUI/res/layout/notification_guts.xml
+++ b/packages/SystemUI/res/layout/notification_guts.xml
@@ -39,7 +39,7 @@
             android:layout_gravity="center_vertical|start">
 
         <ImageView
-                android:id="@android:id/icon"
+                android:id="@+id/app_icon"
                 android:layout_width="18dp"
                 android:layout_height="18dp"
                 android:layout_marginEnd="6dp"
diff --git a/packages/SystemUI/res/layout/status_bar_expanded.xml b/packages/SystemUI/res/layout/status_bar_expanded.xml
index 289b1d9..656941f 100644
--- a/packages/SystemUI/res/layout/status_bar_expanded.xml
+++ b/packages/SystemUI/res/layout/status_bar_expanded.xml
@@ -39,8 +39,9 @@
         android:clipToPadding="false"
         android:clipChildren="false">
 
-        <include
-            layout="@layout/qs_panel"
+        <com.android.systemui.DensityContainer
+            android:id="@+id/qs_density_container"
+            android:layout="@layout/qs_panel"
             android:layout_width="@dimen/notification_panel_width"
             android:layout_height="wrap_content"
             android:layout_gravity="@integer/notification_panel_layout_gravity" />
diff --git a/packages/SystemUI/res/values/attrs.xml b/packages/SystemUI/res/values/attrs.xml
index 189eb3b..e040ab2 100644
--- a/packages/SystemUI/res/values/attrs.xml
+++ b/packages/SystemUI/res/values/attrs.xml
@@ -93,5 +93,9 @@
         <attr name="defValue" format="boolean" />
         <attr name="metricsAction" format="integer" />
     </declare-styleable>
+
+    <declare-styleable name="DensityContainer">
+        <attr name="android:layout" />
+    </declare-styleable>
 </resources>
 
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index 8f69bbb..30acc72 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -31,7 +31,7 @@
     <color name="batterymeter_bolt_color">#FFFFFFFF</color>
     <color name="qs_batterymeter_frame_color">#FF404040</color>
     <color name="system_primary_color">#ff263238</color><!-- blue grey 900 -->
-    <color name="system_secondary_color">#ff384248</color>
+    <color name="system_secondary_color">#ff37474F</color><!-- blue grey 800 -->
     <color name="system_accent_color">#ff80CBC4</color><!-- deep teal 200 -->
     <color name="system_warning_color">#fff4511e</color><!-- deep orange 600 -->
     <color name="qs_text">#FFFFFFFF</color>
diff --git a/packages/SystemUI/src/com/android/systemui/DensityContainer.java b/packages/SystemUI/src/com/android/systemui/DensityContainer.java
new file mode 100644
index 0000000..2e3cb49
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/DensityContainer.java
@@ -0,0 +1,78 @@
+/*
+ * 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.systemui;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.FrameLayout;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DensityContainer extends FrameLayout {
+
+    private final List<InflateListener> mInflateListeners = new ArrayList<>();
+    private final int mLayout;
+    private int mDensity;
+
+    public DensityContainer(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+
+        mDensity = context.getResources().getConfiguration().densityDpi;
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DensityContainer);
+        if (!a.hasValue(R.styleable.DensityContainer_android_layout)) {
+            throw new IllegalArgumentException("DensityContainer must contain a layout");
+        }
+        mLayout = a.getResourceId(R.styleable.DensityContainer_android_layout, 0);
+        inflateLayout();
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        int density = newConfig.densityDpi;
+        if (density != mDensity) {
+            mDensity = density;
+            inflateLayout();
+        }
+    }
+
+    private void inflateLayout() {
+        removeAllViews();
+        LayoutInflater.from(getContext()).inflate(mLayout, this);
+        final int N = mInflateListeners.size();
+        for (int i = 0; i < N; i++) {
+            mInflateListeners.get(i).onInflated(getChildAt(0));
+        }
+    }
+
+    public void addInflateListener(InflateListener listener) {
+        mInflateListeners.add(listener);
+        listener.onInflated(getChildAt(0));
+    }
+
+    public interface InflateListener {
+        /**
+         * Called whenever a new view is inflated.
+         */
+        void onInflated(View v);
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 30a9850..b6269e2 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -31,6 +31,7 @@
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile.DetailAdapter;
+import com.android.systemui.qs.QSTile.Host.Callback;
 import com.android.systemui.qs.customize.QSCustomizer;
 import com.android.systemui.qs.external.CustomTile;
 import com.android.systemui.settings.BrightnessController;
@@ -44,7 +45,7 @@
 import java.util.Collection;
 
 /** View that represents the quick settings tile panel. **/
-public class QSPanel extends LinearLayout implements Tunable {
+public class QSPanel extends LinearLayout implements Tunable, Callback {
 
     public static final String QS_SHOW_BRIGHTNESS = "qs_show_brightness";
 
@@ -123,10 +124,16 @@
     @Override
     protected void onDetachedFromWindow() {
         TunerService.get(mContext).removeTunable(this);
+        mHost.removeCallback(this);
         super.onDetachedFromWindow();
     }
 
     @Override
+    public void onTilesChanged() {
+        setTiles(mHost.getTiles());
+    }
+
+    @Override
     public void onTuningChanged(String key, String newValue) {
         if (QS_SHOW_BRIGHTNESS.equals(key)) {
             mBrightnessView.setVisibility(newValue == null || Integer.parseInt(newValue) != 0
@@ -168,6 +175,8 @@
 
     public void setHost(QSTileHost host) {
         mHost = host;
+        mHost.addCallback(this);
+        setTiles(mHost.getTiles());
         mFooter.setHost(host);
         createCustomizePanel();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 54a60e7..42e98aa 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -390,6 +390,7 @@
         Context getContext();
         Collection<QSTile<?>> getTiles();
         void addCallback(Callback callback);
+        void removeCallback(Callback callback);
         BluetoothController getBluetoothController();
         LocationController getLocationController();
         RotationLockController getRotationLockController();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index d0358f4..178838e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -983,7 +983,7 @@
             pkgicon = pmUser.getDefaultActivityIcon();
         }
 
-        ((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(pkgicon);
+        ((ImageView) row.findViewById(R.id.app_icon)).setImageDrawable(pkgicon);
         ((TextView) row.findViewById(R.id.pkgname)).setText(appname);
 
         final View settingsButton = guts.findViewById(R.id.more_settings);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
index 939cacb..f446593 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
@@ -412,7 +412,8 @@
     }
 
     public ExpandableNotificationRow getViewAtPosition(float y) {
-        if (!mIsSummaryWithChildren || !mChildrenExpanded) {
+        if (!mIsSummaryWithChildren || !mChildrenExpanded
+                || (getNotificationChildren().size() == 1 && isClearable())) {
             return this;
         } else {
             ExpandableNotificationRow view = mChildrenContainer.getViewAtPosition(y);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index c892b11..960e4cf 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -227,6 +227,8 @@
     protected void onDetachedFromWindow() {
         mMobileSignalGroup.removeAllViews();
         TunerService.get(mContext).removeTunable(this);
+        mSC.removeCallback(this);
+        mNC.removeSignalCallback(this);
 
         super.onDetachedFromWindow();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java
index 5796edb..ed71e57 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java
@@ -22,8 +22,12 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
+import android.graphics.Paint;
 import android.graphics.PixelFormat;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
 import android.graphics.Rect;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.drawable.Drawable;
 import android.os.SystemClock;
 import android.util.Log;
@@ -55,6 +59,7 @@
     private final BarBackgroundDrawable mBarBackground;
 
     private int mMode;
+    private boolean mAlwaysOpaque = false;
 
     public BarTransitions(View view, int gradientResourceId) {
         mTag = "BarTransitions." + view.getClass().getSimpleName();
@@ -69,13 +74,25 @@
         return mMode;
     }
 
+    /**
+     * @param alwaysOpaque if {@code true}, the bar's background will always be opaque, regardless
+     *         of what mode it is currently set to.
+     */
+    public void setAlwaysOpaque(boolean alwaysOpaque) {
+        mAlwaysOpaque = alwaysOpaque;
+    }
+
+    public boolean isAlwaysOpaque() {
+        // Low-end devices do not support translucent modes, fallback to opaque
+        return !HIGH_END || mAlwaysOpaque;
+    }
+
     public void transitionTo(int mode, boolean animate) {
-        // low-end devices do not support translucent modes, fallback to opaque
-        if (!HIGH_END && (mode == MODE_SEMI_TRANSPARENT || mode == MODE_TRANSLUCENT
+        if (isAlwaysOpaque() && (mode == MODE_SEMI_TRANSPARENT || mode == MODE_TRANSLUCENT
                 || mode == MODE_TRANSPARENT)) {
             mode = MODE_OPAQUE;
         }
-        if (!HIGH_END && (mode == MODE_LIGHTS_OUT_TRANSPARENT)) {
+        if (isAlwaysOpaque() && (mode == MODE_LIGHTS_OUT_TRANSPARENT)) {
             mode = MODE_LIGHTS_OUT;
         }
         if (mMode == mode) return;
@@ -131,10 +148,13 @@
 
         private int mGradientAlpha;
         private int mColor;
+        private PorterDuffColorFilter mTintFilter;
+        private Paint mPaint = new Paint();
 
         private int mGradientAlphaStart;
         private int mColorStart;
 
+
         public BarBackgroundDrawable(Context context, int gradientResourceId) {
             final Resources res = context.getResources();
             if (DEBUG_COLORS) {
@@ -163,6 +183,26 @@
         }
 
         @Override
+        public void setTint(int color) {
+            if (mTintFilter == null) {
+                mTintFilter = new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN);
+            } else {
+                mTintFilter.setColor(color);
+            }
+            invalidateSelf();
+        }
+
+        @Override
+        public void setTintMode(Mode tintMode) {
+            if (mTintFilter == null) {
+                mTintFilter = new PorterDuffColorFilter(0, tintMode);
+            } else {
+                mTintFilter.setMode(tintMode);
+            }
+            invalidateSelf();
+        }
+
+        @Override
         protected void onBoundsChange(Rect bounds) {
             super.onBoundsChange(bounds);
             mGradient.setBounds(bounds);
@@ -208,6 +248,7 @@
             } else {
                 targetColor = mOpaque;
             }
+
             if (!mAnimating) {
                 mColor = targetColor;
                 mGradientAlpha = targetGradientAlpha;
@@ -234,7 +275,11 @@
                 mGradient.draw(canvas);
             }
             if (Color.alpha(mColor) > 0) {
-                canvas.drawColor(mColor);
+                mPaint.setColor(mColor);
+                if (mTintFilter != null) {
+                    mPaint.setColorFilter(mTintFilter);
+                }
+                canvas.drawPaint(mPaint);
             }
             if (mAnimating) {
                 invalidateSelf();  // keep going
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/BaseStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/BaseStatusBarHeader.java
index eade2a8..6e1c862 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/BaseStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/BaseStatusBarHeader.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.widget.RelativeLayout;
-
 import com.android.systemui.qs.QSPanel;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.NetworkControllerImpl;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 05ae41b..127feba 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -42,6 +42,8 @@
 import com.android.internal.logging.MetricsLogger;
 import com.android.keyguard.KeyguardStatusView;
 import com.android.systemui.DejankUtils;
+import com.android.systemui.DensityContainer;
+import com.android.systemui.DensityContainer.InflateListener;
 import com.android.systemui.EventLogConstants;
 import com.android.systemui.EventLogTags;
 import com.android.systemui.Interpolators;
@@ -215,8 +217,14 @@
         super.onFinishInflate();
         mKeyguardStatusBar = (KeyguardStatusBarView) findViewById(R.id.keyguard_header);
         mKeyguardStatusView = (KeyguardStatusView) findViewById(R.id.keyguard_status_view);
-        mQsContainer = (QSContainer) findViewById(R.id.quick_settings_container);
-        mQsContainer.getHeader().setOnClickListener(this);
+        DensityContainer container = (DensityContainer) findViewById(R.id.qs_density_container);
+        container.addInflateListener(new InflateListener() {
+            @Override
+            public void onInflated(View v) {
+                mQsContainer = (QSContainer) v.findViewById(R.id.quick_settings_container);
+                mQsContainer.getHeader().setOnClickListener(NotificationPanelView.this);
+            }
+        });
         mClockView = (TextView) findViewById(R.id.clock_view);
         mNotificationContainerParent = (NotificationsQuickSettingsContainer)
                 findViewById(R.id.notification_container_parent);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
index 7cc720d..6d90e5c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationsQuickSettingsContainer.java
@@ -47,7 +47,7 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mQsContainer = findViewById(R.id.quick_settings_container);
+        mQsContainer = findViewById(R.id.qs_density_container);
         mStackScroller = findViewById(R.id.notification_stack_scroller);
         mKeyguardStatusBar = findViewById(R.id.keyguard_header);
         ViewStub userSwitcher = (ViewStub) findViewById(R.id.keyguard_user_switcher);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 9b87a8a..e739944 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -23,7 +23,6 @@
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.IActivityManager;
-import android.app.IWallpaperManagerCallback;
 import android.app.Notification;
 import android.app.PendingIntent;
 import android.app.StatusBarManager;
@@ -104,6 +103,8 @@
 import com.android.keyguard.ViewMediatorCallback;
 import com.android.systemui.BatteryMeterView;
 import com.android.systemui.DemoMode;
+import com.android.systemui.DensityContainer;
+import com.android.systemui.DensityContainer.InflateListener;
 import com.android.systemui.EventLogConstants;
 import com.android.systemui.EventLogTags;
 import com.android.systemui.Interpolators;
@@ -778,8 +779,6 @@
         mStatusBarView.setScrimController(mScrimController);
         mDozeScrimController = new DozeScrimController(mScrimController, context);
 
-        mHeader = (BaseStatusBarHeader) mStatusBarWindow.findViewById(R.id.header);
-        mHeader.setActivityStarter(this);
         mKeyguardStatusBar = (KeyguardStatusBarView) mStatusBarWindow.findViewById(R.id.keyguard_header);
         mKeyguardStatusView = mStatusBarWindow.findViewById(R.id.keyguard_status_view);
         mKeyguardBottomArea =
@@ -839,12 +838,6 @@
 
         initSignalCluster(mStatusBarView);
         initSignalCluster(mKeyguardStatusBar);
-        initSignalCluster(mHeader);
-
-        final boolean isAPhone = mNetworkController.hasVoiceCallingFeature();
-        if (isAPhone) {
-            mNetworkController.addEmergencyListener(mHeader);
-        }
 
         mFlashlightController = new FlashlightController(mContext);
         mKeyguardBottomArea.setFlashlightController(mFlashlightController);
@@ -863,39 +856,40 @@
         }
 
         // Set up the quick settings tile panel
-        mQSPanel = (QSPanel) mStatusBarWindow.findViewById(R.id.quick_settings_panel);
-        if (mQSPanel != null) {
+        DensityContainer container = (DensityContainer) mStatusBarWindow.findViewById(
+                R.id.qs_density_container);
+        if (container != null) {
             final QSTileHost qsh = new QSTileHost(mContext, this,
                     mBluetoothController, mLocationController, mRotationLockController,
                     mNetworkController, mZenModeController, mHotspotController,
                     mCastController, mFlashlightController,
                     mUserSwitcherController, mUserInfoController, mKeyguardMonitor,
-                    mSecurityController, mBatteryController, mIconController);
-            mQSPanel.setTiles(qsh.getTiles());
+                    mSecurityController, mBatteryController, mIconController,
+                    mNextAlarmController);
             mBrightnessMirrorController = new BrightnessMirrorController(mStatusBarWindow);
-            mQSPanel.setBrightnessMirror(mBrightnessMirrorController);
-            QSContainer qsContainer = (QSContainer) mStatusBarWindow.findViewById(
-                    R.id.quick_settings_container);
-            qsContainer.setHost(qsh);
-            qsh.addCallback(new QSTileHost.Callback() {
+            container.addInflateListener(new InflateListener() {
                 @Override
-                public void onTilesChanged() {
-                    mQSPanel.setTiles(qsh.getTiles());
+                public void onInflated(View v) {
+                    QSContainer qsContainer = (QSContainer) v.findViewById(
+                            R.id.quick_settings_container);
+                    qsContainer.setHost(qsh);
+                    mQSPanel = qsContainer.getQsPanel();
+                    mQSPanel.setBrightnessMirror(mBrightnessMirrorController);
+                    mHeader = qsContainer.getHeader();
+                    initSignalCluster(mHeader);
+                    mHeader.setActivityStarter(PhoneStatusBar.this);
                 }
             });
         }
 
         // User info. Trigger first load.
-        mHeader.setUserInfoController(mUserInfoController);
         mKeyguardStatusBar.setUserInfoController(mUserInfoController);
         mKeyguardStatusBar.setUserSwitcherController(mUserSwitcherController);
         mUserInfoController.reloadUserInfo();
 
-        mHeader.setBatteryController(mBatteryController);
         ((BatteryMeterView) mStatusBarView.findViewById(R.id.battery)).setBatteryController(
                 mBatteryController);
         mKeyguardStatusBar.setBatteryController(mBatteryController);
-        mHeader.setNextAlarmController(mNextAlarmController);
 
         PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
         mBroadcastReceiver.onReceive(mContext,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index 80afb9a..f894a22 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -57,6 +57,7 @@
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.BluetoothController;
 import com.android.systemui.statusbar.policy.CastController;
+import com.android.systemui.statusbar.policy.NextAlarmController;
 import com.android.systemui.statusbar.policy.NightModeController;
 import com.android.systemui.statusbar.policy.FlashlightController;
 import com.android.systemui.statusbar.policy.HotspotController;
@@ -111,16 +112,18 @@
     private final NightModeController mNightModeController;
     private final AutoTileManager mAutoTiles;
     private final ManagedProfileController mProfileController;
+    private final NextAlarmController mNextAlarmController;
     private View mHeader;
 
     public QSTileHost(Context context, PhoneStatusBar statusBar,
-                      BluetoothController bluetooth, LocationController location,
-                      RotationLockController rotation, NetworkController network,
-                      ZenModeController zen, HotspotController hotspot,
-                      CastController cast, FlashlightController flashlight,
-                      UserSwitcherController userSwitcher, UserInfoController userInfo,
-                      KeyguardMonitor keyguard, SecurityController security,
-                      BatteryController battery, StatusBarIconController iconController) {
+            BluetoothController bluetooth, LocationController location,
+            RotationLockController rotation, NetworkController network,
+            ZenModeController zen, HotspotController hotspot,
+            CastController cast, FlashlightController flashlight,
+            UserSwitcherController userSwitcher, UserInfoController userInfo,
+            KeyguardMonitor keyguard, SecurityController security,
+            BatteryController battery, StatusBarIconController iconController,
+            NextAlarmController nextAlarmController) {
         mContext = context;
         mStatusBar = statusBar;
         mBluetooth = bluetooth;
@@ -137,6 +140,7 @@
         mSecurity = security;
         mBattery = battery;
         mIconController = iconController;
+        mNextAlarmController = nextAlarmController;
         mNightModeController = new NightModeController(mContext, true);
         mProfileController = new ManagedProfileController(this);
 
@@ -152,6 +156,10 @@
         mAutoTiles = new AutoTileManager(context, this);
     }
 
+    public NextAlarmController getNextAlarmController() {
+        return mNextAlarmController;
+    }
+
     public void setHeaderView(View view) {
         mHeader = view;
     }
@@ -171,6 +179,11 @@
     }
 
     @Override
+    public void removeCallback(Callback callback) {
+        mCallbacks.remove(callback);
+    }
+
+    @Override
     public Collection<QSTile<?>> getTiles() {
         return mTiles.values();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
index b549d59..256cc6b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
@@ -35,13 +35,13 @@
 import com.android.systemui.R;
 import com.android.systemui.qs.QSAnimator;
 import com.android.systemui.qs.QSPanel;
-import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.QuickQSPanel;
 import com.android.systemui.qs.TouchAnimator;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.NextAlarmController;
 import com.android.systemui.statusbar.policy.NextAlarmController.NextAlarmChangeCallback;
 import com.android.systemui.statusbar.policy.UserInfoController;
+import com.android.systemui.statusbar.policy.UserInfoController.OnUserInfoChangedListener;
 import com.android.systemui.tuner.TunerService;
 
 public class QuickStatusBarHeader extends BaseStatusBarHeader implements
@@ -90,6 +90,7 @@
     private TouchAnimator mAlarmTranslation;
     private TouchAnimator mSettingsAlpha;
     private float mExpansionAmount;
+    private QSTileHost mHost;
 
     public QuickStatusBarHeader(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -222,6 +223,14 @@
         mExpandIndicator.setExpanded(headerExpansionFraction > EXPAND_INDICATOR_THRESHOLD);
     }
 
+    @Override
+    protected void onDetachedFromWindow() {
+        setListening(false);
+        mHost.getUserInfoController().remListener(mUserListener);
+        mHost.getNetworkController().removeEmergencyListener(this);
+        super.onDetachedFromWindow();
+    }
+
     private void updateAlarmVisibilities() {
         mAlarmStatus.setVisibility(mAlarmShowing ? View.VISIBLE : View.INVISIBLE);
         mAlarmStatusCollapsed.setVisibility(mAlarmShowing ? View.VISIBLE : View.INVISIBLE);
@@ -284,17 +293,19 @@
     }
 
     public void setupHost(final QSTileHost host) {
+        mHost = host;
         host.setHeaderView(this);
         mHeaderQsPanel.setQSPanelAndHeader(mQsPanel, this);
-        mHeaderQsPanel.setHost(host);
         mHeaderQsPanel.setMaxTiles(5);
-        mHeaderQsPanel.setTiles(host.getTiles());
-        host.addCallback(new QSTile.Host.Callback() {
-            @Override
-            public void onTilesChanged() {
-                mHeaderQsPanel.setTiles(host.getTiles());
-            }
-        });
+        mHeaderQsPanel.setHost(host);
+        setUserInfoController(host.getUserInfoController());
+        setBatteryController(host.getBatteryController());
+        setNextAlarmController(host.getNextAlarmController());
+
+        final boolean isAPhone = mHost.getNetworkController().hasVoiceCallingFeature();
+        if (isAPhone) {
+            mHost.getNetworkController().addEmergencyListener(this);
+        }
     }
 
     @Override
@@ -340,12 +351,7 @@
 
     @Override
     public void setUserInfoController(UserInfoController userInfoController) {
-        userInfoController.addListener(new UserInfoController.OnUserInfoChangedListener() {
-            @Override
-            public void onUserInfoChanged(String name, Drawable picture) {
-                mMultiUserAvatar.setImageDrawable(picture);
-            }
-        });
+        userInfoController.addListener(mUserListener);
     }
 
     @Override
@@ -358,4 +364,11 @@
             }
         }
     }
+
+    private final OnUserInfoChangedListener mUserListener = new OnUserInfoChangedListener() {
+        @Override
+        public void onUserInfoChanged(String name, Drawable picture) {
+            mMultiUserAvatar.setImageDrawable(picture);
+        }
+    };
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
index 3e3b169..a051973 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
@@ -39,7 +39,6 @@
 import android.widget.Switch;
 import android.widget.TextView;
 import android.widget.Toast;
-
 import com.android.keyguard.KeyguardStatusView;
 import com.android.systemui.BatteryMeterView;
 import com.android.systemui.FontSizeUtils;
@@ -48,7 +47,7 @@
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.QSTile.DetailAdapter;
 import com.android.systemui.statusbar.policy.BatteryController;
-import com.android.systemui.statusbar.policy.NetworkControllerImpl.EmergencyListener;
+import com.android.systemui.statusbar.policy.NetworkController.EmergencyListener;
 import com.android.systemui.statusbar.policy.NextAlarmController;
 import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.tuner.TunerService;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CallbackHandler.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CallbackHandler.java
index e618cb8..3142ddf 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/CallbackHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/CallbackHandler.java
@@ -19,11 +19,10 @@
 import android.os.Looper;
 import android.os.Message;
 import android.telephony.SubscriptionInfo;
-
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.systemui.statusbar.policy.NetworkController.EmergencyListener;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
 import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
-import com.android.systemui.statusbar.policy.NetworkControllerImpl.EmergencyListener;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
index 93c7322..348e0b0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.telephony.SubscriptionInfo;
-
 import com.android.settingslib.net.DataUsageController;
 import com.android.settingslib.wifi.AccessPoint;
 
@@ -36,6 +35,11 @@
     DataUsageController getMobileDataController();
     DataSaverController getDataSaverController();
 
+    boolean hasVoiceCallingFeature();
+
+    void addEmergencyListener(EmergencyListener listener);
+    void removeEmergencyListener(EmergencyListener listener);
+
     public interface SignalCallback {
         void setWifiIndicators(boolean enabled, IconState statusIcon, IconState qsIcon,
                 boolean activityIn, boolean activityOut, String description);
@@ -53,6 +57,10 @@
         void setMobileDataEnabled(boolean enabled);
     }
 
+    public interface EmergencyListener {
+        void setEmergencyCallsOnly(boolean emergencyOnly);
+    }
+
     public static class IconState {
         public final boolean visible;
         public final int icon;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
index eecf8c2..8193b52 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
@@ -252,6 +252,10 @@
         mCallbackHandler.setEmergencyCallsOnly(isEmergencyOnly());
     }
 
+    public void removeEmergencyListener(EmergencyListener listener) {
+        mCallbackHandler.setListening(listener, false);
+    }
+
     public boolean hasMobileDataFeature() {
         return mHasMobileDataFeature;
     }
@@ -812,10 +816,6 @@
         }
     };
 
-    public interface EmergencyListener {
-        void setEmergencyCallsOnly(boolean emergencyOnly);
-    }
-
     public static class SubscriptionDefaults {
         public int getDefaultVoiceSubId() {
             return SubscriptionManager.getDefaultVoiceSubscriptionId();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java
index 0b1911b..4611ef9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java
@@ -14,17 +14,13 @@
 
 package com.android.systemui.statusbar.policy;
 
-import libcore.util.Objects;
-
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.opengl.Matrix;
-import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.util.MathUtils;
-
 import com.android.systemui.tuner.TunerService;
 
 import java.util.ArrayList;
@@ -189,8 +185,8 @@
     }
 
     private void updateNightMode(Intent intent) {
-        mIsNight = intent.getBooleanExtra(EXTRA_IS_NIGHT, false);
-        mAmount = intent.getFloatExtra(EXTRA_AMOUNT, 0);
+        mIsNight = intent != null && intent.getBooleanExtra(EXTRA_IS_NIGHT, false);
+        mAmount = intent != null ? intent.getFloatExtra(EXTRA_AMOUNT, 0) : 0;
     }
 
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
index 123a5c3..7955733 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
@@ -167,6 +167,7 @@
         int newIndex = childIndex < 0 ? mChildren.size() : childIndex;
         mChildren.add(newIndex, row);
         addView(row);
+        row.setUserLocked(mUserLocked);
 
         View divider = inflateDivider();
         addView(divider);
@@ -191,6 +192,7 @@
         });
 
         row.setSystemChildExpanded(false);
+        row.setUserLocked(false);
         updateGroupOverflow();
     }
 
@@ -262,10 +264,14 @@
     }
 
     private void updateExpansionStates() {
-        // Let's make the first child expanded if the parent is
-        for (int i = 0; i < mChildren.size(); i++) {
+        if (mChildrenExpanded || mUserLocked) {
+            // we don't modify it the group is expanded or if we are expanding it
+            return;
+        }
+        int size = mChildren.size();
+        for (int i = 0; i < size; i++) {
             ExpandableNotificationRow child = mChildren.get(i);
-            child.setSystemChildExpanded(false);
+            child.setSystemChildExpanded(i == 0 && size == 1);
         }
     }
 
@@ -489,6 +495,7 @@
 
     public void setChildrenExpanded(boolean childrenExpanded) {
         mChildrenExpanded = childrenExpanded;
+        updateExpansionStates();
     }
 
     public void setNotificationParent(ExpandableNotificationRow parent) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTests.java b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTests.java
index 1841251..01514646b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTests.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/TileServicesTests.java
@@ -43,7 +43,7 @@
         QSTileHost host = new QSTileHost(mContext, null, null, null, null,
                 networkController, null,
                 Mockito.mock(HotspotController.class), null,
-                null, null, null, null, null, null, null);
+                null, null, null, null, null, null, null, null);
         mTileService = new TestTileServices(host, Looper.myLooper());
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
index 00b8de2..19cb243 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/CallbackHandlerTest.java
@@ -19,12 +19,10 @@
 import android.telephony.SubscriptionInfo;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
-
 import com.android.systemui.R;
+import com.android.systemui.statusbar.policy.NetworkController.EmergencyListener;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
 import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
-import com.android.systemui.statusbar.policy.NetworkControllerImpl.EmergencyListener;
-
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.Mockito;
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 834ba0b..ffc3103 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -1878,5 +1878,30 @@
     // Logged when we execute an app transition. This indicates the device uptime in seconds when
     // the transition was executed.
     APP_TRANSITION_DEVICE_UPTIME_SECONDS = 325;
+
+    // User granted access to the request folder; action takes an integer
+    // representing the folder's index on Environment.STANDARD_DIRECTORIES
+    ACTION_SCOPED_DIRECTORY_ACCESS_GRANTED_BY_FOLDER = 326;
+
+    // User denied access to the request folder; action takes an integer
+    // representing the folder's index on Environment.STANDARD_DIRECTORIES
+    ACTION_SCOPED_DIRECTORY_ACCESS_DENIED_BY_FOLDER = 327;
+
+    // User granted access to the request folder; action pass package name
+    // of calling package.
+    ACTION_SCOPED_DIRECTORY_ACCESS_GRANTED_BY_PACKAGE = 328;
+
+    // User denied access to the request folder; action pass package name
+    // of calling package.
+    ACTION_SCOPED_DIRECTORY_ACCESS_DENIED_BY_PACKAGE = 329;
+
+    // App requested access to a directory it has already been granted
+    // access before; action takes an integer representing the folder's
+    // index on Environment.STANDARD_DIRECTORIES
+    ACTION_SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED_BY_FOLDER = 330;
+
+    // App requested access to a directory it has already been granted
+    // access before; action pass package name of calling package.
+    ACTION_SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED_BY_PACKAGE = 331;
   }
 }
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 20f8285..c7fc5e2 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -2186,7 +2186,7 @@
 
         final int resizeMode = task.mResizeMode;
 
-        if (stackId == DOCKED_STACK_ID && resizeMode == RESIZE_MODE_UNRESIZEABLE) {
+        if (stackId == DOCKED_STACK_ID && !task.isResizeable()) {
             // We don't allow moving a unresizeable task to the docked stack since the docked
             // stack is used for split-screen mode and will cause things like the docked divider to
             // show up. We instead leave the task in its current stack or move it to the fullscreen
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index 5d81dae..7b134ca 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -905,13 +905,15 @@
 
             // Group ID is arbitrarily set to parent profile user ID. It just represents
             // the default fingerprints for the user.
-            final int effectiveGroupId = getEffectiveUserId(groupId);
+            if (!isCurrentUserOrProfile(groupId)) {
+                return;
+            }
 
             final boolean restricted = isRestricted();
             mHandler.post(new Runnable() {
                 @Override
                 public void run() {
-                    startEnrollment(token, cryptoClone, effectiveGroupId, receiver, flags, restricted);
+                    startEnrollment(token, cryptoClone, groupId, receiver, flags, restricted);
                 }
             });
         }
@@ -1011,15 +1013,14 @@
         @Override // Binder call
         public void rename(final int fingerId, final int groupId, final String name) {
             checkPermission(MANAGE_FINGERPRINT);
-
-            // Group ID is arbitrarily set to parent profile user ID. It just represents
-            // the default fingerprints for the user.
-            final int effectiveGroupId = getEffectiveUserId(groupId);
+            if (!isCurrentUserOrProfile(groupId)) {
+                return;
+            }
             mHandler.post(new Runnable() {
                 @Override
                 public void run() {
                     mFingerprintUtils.renameFingerprintForUser(mContext, fingerId,
-                            effectiveGroupId, name);
+                            groupId, name);
                 }
             });
         }
@@ -1029,9 +1030,11 @@
             if (!canUseFingerprint(opPackageName, false /* foregroundOnly */)) {
                 return Collections.emptyList();
             }
-            int effectiveUserId = getEffectiveUserId(userId);
+            if (!isCurrentUserOrProfile(userId)) {
+                return Collections.emptyList();
+            }
 
-            return FingerprintService.this.getEnrolledFingerprints(effectiveUserId);
+            return FingerprintService.this.getEnrolledFingerprints(userId);
         }
 
         @Override // Binder call
@@ -1040,8 +1043,10 @@
                 return false;
             }
 
-            int effectiveUserId  = getEffectiveUserId(userId);
-            return FingerprintService.this.hasEnrolledFingerprints(effectiveUserId);
+            if (!isCurrentUserOrProfile(userId)) {
+                return false;
+            }
+            return FingerprintService.this.hasEnrolledFingerprints(userId);
         }
 
         @Override // Binder call
diff --git a/services/core/java/com/android/server/notification/ZenModeHelper.java b/services/core/java/com/android/server/notification/ZenModeHelper.java
index ed439c9..5c5c8f8 100644
--- a/services/core/java/com/android/server/notification/ZenModeHelper.java
+++ b/services/core/java/com/android/server/notification/ZenModeHelper.java
@@ -271,8 +271,11 @@
                 throw new IllegalArgumentException("Owner is not a condition provider service");
             }
 
-            final int ruleInstanceLimit = owner.metaData.getInt(
-                    ConditionProviderService.META_DATA_RULE_INSTANCE_LIMIT, -1);
+            int ruleInstanceLimit = -1;
+            if (owner.metaData != null) {
+                ruleInstanceLimit = owner.metaData.getInt(
+                        ConditionProviderService.META_DATA_RULE_INSTANCE_LIMIT, -1);
+            }
             if (ruleInstanceLimit > 0 && ruleInstanceLimit
                     < (getCurrentInstanceCount(automaticZenRule.getOwner()) + 1)) {
                 throw new IllegalArgumentException("Rule instance limit exceeded");
diff --git a/services/core/java/com/android/server/pm/PackageDexOptimizer.java b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
index a3af561..a084d86 100644
--- a/services/core/java/com/android/server/pm/PackageDexOptimizer.java
+++ b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
@@ -21,6 +21,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageParser;
 import android.content.pm.PackageParser.Package;
+import android.os.Environment;
 import android.os.PowerManager;
 import android.os.UserHandle;
 import android.os.WorkSource;
@@ -164,6 +165,10 @@
             }
 
             for (String path : paths) {
+                if (useProfiles && isUsedByOtherApps(path)) {
+                    // We cannot use profile guided compilation if the apk was used by another app.
+                    useProfiles = false;
+                }
                 int dexoptNeeded;
 
                 try {
@@ -204,8 +209,10 @@
                         + " vmSafeMode=" + vmSafeMode + " debuggable=" + debuggable
                         + " extractOnly=" + extractOnly + " oatDir = " + oatDir);
                 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
+                // Profile guide compiled oat files should not be public.
+                final boolean isPublic = !pkg.isForwardLocked() && !useProfiles;
                 final int dexFlags = adjustDexoptFlags(
-                        (!pkg.isForwardLocked() ? DEXOPT_PUBLIC : 0)
+                        ( isPublic ? DEXOPT_PUBLIC : 0)
                         | (vmSafeMode ? DEXOPT_SAFEMODE : 0)
                         | (debuggable ? DEXOPT_DEBUGGABLE : 0)
                         | (extractOnly ? DEXOPT_EXTRACTONLY : 0)
@@ -275,6 +282,25 @@
         mSystemReady = true;
     }
 
+    private boolean isUsedByOtherApps(String apkPath) {
+        try {
+            apkPath = new File(apkPath).getCanonicalPath();
+        } catch (IOException e) {
+            // Log an error but continue without it.
+            Slog.w(TAG, "Failed to get canonical path", e);
+        }
+        String useMarker = apkPath.replace('/', '@');
+        final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
+        for (int i = 0; i < currentUserIds.length; i++) {
+            File profileDir = Environment.getDataProfilesDeForeignDexDirectory(currentUserIds[i]);
+            File foreignUseMark = new File(profileDir, useMarker);
+            if (foreignUseMark.exists()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a
      * dexopt path.
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index a4a3da2..f3937c8 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -14133,25 +14133,48 @@
             return;
         }
 
-        for (int currentUserId : users) {
-            if (getBlockUninstallForUser(packageName, currentUserId)) {
-                try {
-                    observer.onPackageDeleted(packageName,
-                            PackageManager.DELETE_FAILED_OWNER_BLOCKED, null);
-                } catch (RemoteException re) {
-                }
-                return;
+        if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) {
+            try {
+                observer.onPackageDeleted(packageName,
+                        PackageManager.DELETE_FAILED_OWNER_BLOCKED, null);
+            } catch (RemoteException re) {
             }
+            return;
         }
 
         if (DEBUG_REMOVE) {
-            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
+            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId
+                    + " deleteAllUsers: " + deleteAllUsers );
         }
         // Queue up an async operation since the package deletion may take a little while.
         mHandler.post(new Runnable() {
             public void run() {
                 mHandler.removeCallbacks(this);
-                final int returnCode = deletePackageX(packageName, userId, flags);
+                int returnCode;
+                if (!deleteAllUsers) {
+                    returnCode = deletePackageX(packageName, userId, flags);
+                } else {
+                    int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users);
+                    // If nobody is blocking uninstall, proceed with delete for all users
+                    if (ArrayUtils.isEmpty(blockUninstallUserIds)) {
+                        returnCode = deletePackageX(packageName, userId, flags);
+                    } else {
+                        // Otherwise uninstall individually for users with blockUninstalls=false
+                        final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS;
+                        for (int userId : users) {
+                            if (!ArrayUtils.contains(blockUninstallUserIds, userId)) {
+                                returnCode = deletePackageX(packageName, userId, userFlags);
+                                if (returnCode != PackageManager.DELETE_SUCCEEDED) {
+                                    Slog.w(TAG, "Package delete failed for user " + userId
+                                            + ", returnCode " + returnCode);
+                                }
+                            }
+                        }
+                        // The app has only been marked uninstalled for certain users.
+                        // We still need to report that delete was blocked
+                        returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED;
+                    }
+                }
                 try {
                     observer.onPackageDeleted(packageName, returnCode, null);
                 } catch (RemoteException e) {
@@ -14161,6 +14184,16 @@
         });
     }
 
+    private int[] getBlockUninstallForUsers(String packageName, int[] userIds) {
+        int[] result = EMPTY_INT_ARRAY;
+        for (int userId : userIds) {
+            if (getBlockUninstallForUser(packageName, userId)) {
+                result = ArrayUtils.appendInt(result, userId);
+            }
+        }
+        return result;
+    }
+
     @Override
     public boolean isPackageDeviceAdminOnAnyUser(String packageName) {
         return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL);
diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index de90202..10808da 100644
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -624,6 +624,21 @@
                     parcelableCall.getExtras(),
                     parcelableCall.getIntentExtras());
         }
+
+        @Override
+        public String toString() {
+            StringBuilder sb = new StringBuilder();
+            sb.append("[pa: ");
+            sb.append(mAccountHandle);
+            sb.append(", hdl: ");
+            sb.append(Log.pii(mHandle));
+            sb.append(", caps: ");
+            sb.append(capabilitiesToString(mCallCapabilities));
+            sb.append(", props: ");
+            sb.append(mCallProperties);
+            sb.append("]");
+            return sb.toString();
+        }
     }
 
     public static abstract class Callback {
@@ -1000,6 +1015,48 @@
         }
     }
 
+    @Override
+    public String toString() {
+        return new StringBuilder().
+                append("Call [id: ").
+                append(mTelecomCallId).
+                append(", state: ").
+                append(stateToString(mState)).
+                append(", details: ").
+                append(mDetails).
+                append("]").toString();
+    }
+
+    /**
+     * @param state An integer value of a {@code STATE_*} constant.
+     * @return A string representation of the value.
+     */
+    private static String stateToString(int state) {
+        switch (state) {
+            case STATE_NEW:
+                return "NEW";
+            case STATE_RINGING:
+                return "RINGING";
+            case STATE_DIALING:
+                return "DIALING";
+            case STATE_ACTIVE:
+                return "ACTIVE";
+            case STATE_HOLDING:
+                return "HOLDING";
+            case STATE_DISCONNECTED:
+                return "DISCONNECTED";
+            case STATE_CONNECTING:
+                return "CONNECTING";
+            case STATE_DISCONNECTING:
+                return "DISCONNECTING";
+            case STATE_SELECT_PHONE_ACCOUNT:
+                return "SELECT_PHONE_ACCOUNT";
+            default:
+                Log.w(Call.class, "Unknown state %d", state);
+                return "UNKNOWN";
+        }
+    }
+
     /**
      * Adds a listener to this {@code Call}.
      *
diff --git a/telecomm/java/android/telecom/Log.java b/telecomm/java/android/telecom/Log.java
index 3f32dbe..2ab0525 100644
--- a/telecomm/java/android/telecom/Log.java
+++ b/telecomm/java/android/telecom/Log.java
@@ -16,7 +16,10 @@
 
 package android.telecom;
 
+import android.net.Uri;
 import android.os.AsyncTask;
+import android.telephony.PhoneNumberUtils;
+import android.text.TextUtils;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -152,10 +155,37 @@
     public static String pii(Object pii) {
         if (pii == null || VERBOSE) {
             return String.valueOf(pii);
+        } if (pii instanceof Uri) {
+            return piiUri((Uri) pii);
         }
         return "[" + secureHash(String.valueOf(pii).getBytes()) + "]";
     }
 
+    private static String piiUri(Uri handle) {
+        StringBuilder sb = new StringBuilder();
+        String scheme = handle.getScheme();
+        if (!TextUtils.isEmpty(scheme)) {
+            sb.append(scheme).append(":");
+        }
+        String value = handle.getSchemeSpecificPart();
+        if (!TextUtils.isEmpty(value)) {
+            for (int i = 0; i < value.length(); i++) {
+                char c = value.charAt(i);
+                if (PhoneNumberUtils.isStartsPostDial(c)) {
+                    sb.append(c);
+                } else if (PhoneNumberUtils.isDialable(c)) {
+                    sb.append("*");
+                } else if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')) {
+                    sb.append("*");
+                } else {
+                    sb.append(c);
+                }
+            }
+        }
+        return sb.toString();
+
+    }
+
     private static String secureHash(byte[] input) {
         if (sMessageDigest != null) {
             sMessageDigest.reset();