Merge "Fix missing clear identity in AMS.AppTaskImpl#moveToFront"
diff --git a/core/java/android/print/PrintFileDocumentAdapter.java b/core/java/android/print/PrintFileDocumentAdapter.java
index 5d655bf..747400d 100644
--- a/core/java/android/print/PrintFileDocumentAdapter.java
+++ b/core/java/android/print/PrintFileDocumentAdapter.java
@@ -46,7 +46,7 @@
  */
 public class PrintFileDocumentAdapter extends PrintDocumentAdapter {
 
-    private static final String LOG_TAG = "PrintedFileDocumentAdapter";
+    private static final String LOG_TAG = "PrintedFileDocAdapter";
 
     private final Context mContext;
 
diff --git a/core/java/android/printservice/CustomPrinterIconCallback.java b/core/java/android/printservice/CustomPrinterIconCallback.java
index ea9ea8b..6b9d0d8 100644
--- a/core/java/android/printservice/CustomPrinterIconCallback.java
+++ b/core/java/android/printservice/CustomPrinterIconCallback.java
@@ -31,7 +31,7 @@
     /** The printer the call back is for */
     private final @NonNull PrinterId mPrinterId;
     private final @NonNull IPrintServiceClient mObserver;
-    private static final String LOG_TAG = "CustomPrinterIconCallback";
+    private static final String LOG_TAG = "CustomPrinterIconCB";
 
     /**
      * Create a callback class to be used once a icon is loaded
diff --git a/core/java/org/apache/http/conn/ssl/AbstractVerifier.java b/core/java/org/apache/http/conn/ssl/AbstractVerifier.java
index 66a5121..b9349b39 100644
--- a/core/java/org/apache/http/conn/ssl/AbstractVerifier.java
+++ b/core/java/org/apache/http/conn/ssl/AbstractVerifier.java
@@ -208,8 +208,8 @@
     }
 
     public static String[] getCNs(X509Certificate cert) {
-        DistinguishedNameParser dnParser =
-                new DistinguishedNameParser(cert.getSubjectX500Principal());
+        AndroidDistinguishedNameParser dnParser =
+                new AndroidDistinguishedNameParser(cert.getSubjectX500Principal());
         List<String> cnList = dnParser.getAllMostSpecificFirst("cn");
 
         if(!cnList.isEmpty()) {
diff --git a/core/java/org/apache/http/conn/ssl/DistinguishedNameParser.java b/core/java/org/apache/http/conn/ssl/AndroidDistinguishedNameParser.java
similarity index 99%
rename from core/java/org/apache/http/conn/ssl/DistinguishedNameParser.java
rename to core/java/org/apache/http/conn/ssl/AndroidDistinguishedNameParser.java
index b2d0e3e..4f0b726 100644
--- a/core/java/org/apache/http/conn/ssl/DistinguishedNameParser.java
+++ b/core/java/org/apache/http/conn/ssl/AndroidDistinguishedNameParser.java
@@ -29,7 +29,7 @@
  * @hide
  */
 @Deprecated
-final class DistinguishedNameParser {
+final class AndroidDistinguishedNameParser {
     private final String dn;
     private final int length;
     private int pos;
@@ -42,7 +42,7 @@
     /** distinguished name chars */
     private char[] chars;
 
-    public DistinguishedNameParser(X500Principal principal) {
+    public AndroidDistinguishedNameParser(X500Principal principal) {
         // RFC2253 is used to ensure we get attributes in the reverse
         // order of the underlying ASN.1 encoding, so that the most
         // significant values of repeated attributes occur first.
diff --git a/core/res/res/layout-sw600dp/date_picker_dialog.xml b/core/res/res/layout-sw600dp/date_picker_dialog.xml
index f9b247f..f18485f 100644
--- a/core/res/res/layout-sw600dp/date_picker_dialog.xml
+++ b/core/res/res/layout-sw600dp/date_picker_dialog.xml
@@ -1,20 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
+     Copyright (C) 2007 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.
 -->
 
 <DatePicker xmlns:android="http://schemas.android.com/apk/res/android"
@@ -23,5 +21,4 @@
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:spinnersShown="true"
-    android:calendarViewShown="true"
-    />
+    android:calendarViewShown="true" />
diff --git a/core/res/res/layout/date_picker_dialog.xml b/core/res/res/layout/date_picker_dialog.xml
index db8f311..64ac1b9 100644
--- a/core/res/res/layout/date_picker_dialog.xml
+++ b/core/res/res/layout/date_picker_dialog.xml
@@ -1,20 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
+     Copyright (C) 2007 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.
 -->
 
 <DatePicker xmlns:android="http://schemas.android.com/apk/res/android"
@@ -23,5 +21,4 @@
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:spinnersShown="true"
-    android:calendarViewShown="false"
-    />
+    android:calendarViewShown="false" />
diff --git a/core/res/res/layout/date_picker_header_material.xml b/core/res/res/layout/date_picker_header_material.xml
index 821b588..cfc6d0d 100644
--- a/core/res/res/layout/date_picker_header_material.xml
+++ b/core/res/res/layout/date_picker_header_material.xml
@@ -19,35 +19,46 @@
               android:id="@+id/date_picker_header"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
-              android:paddingStart="?attr/dialogPreferredPadding"
-              android:paddingEnd="?attr/dialogPreferredPadding"
-              android:paddingTop="16dp"
-              android:paddingBottom="18dp"
-              android:orientation="vertical"
-              android:clipToPadding="false"
-              android:clipChildren="false">
+              android:orientation="vertical">
 
-    <TextView
-        android:id="@+id/date_picker_header_year"
-        android:layout_width="wrap_content"
+    <ViewStub
+        android:id="@id/topPanel"
+        android:layout="@layout/alert_dialog_title_material"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:focusable="true"
-        android:layout_marginStart="-8dp"
-        android:layout_marginEnd="-8dp"
-        android:layout_marginTop="-8dp"
-        android:layout_marginBottom="-8dp"
-        android:padding="8dp"
-        android:background="?attr/selectableItemBackground"
-        android:textAppearance="@style/TextAppearance.Material.DatePicker.YearLabel"
-        android:nextFocusForward="@+id/prev" />
+        android:paddingStart="?attr/dialogPreferredPadding"
+        android:paddingEnd="?attr/dialogPreferredPadding"
+        android:paddingTop="16dp"
+        android:paddingBottom="18dp"
+        android:orientation="vertical"
+        android:clipToPadding="false"
+        android:clipChildren="false">
 
-    <TextView
-        android:id="@+id/date_picker_header_date"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="@style/TextAppearance.Material.DatePicker.DateLabel"
-        android:gravity="start"
-        android:maxLines="2"
-        android:ellipsize="none" />
+        <TextView
+            android:id="@+id/date_picker_header_year"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:focusable="true"
+            android:layout_marginStart="-8dp"
+            android:layout_marginEnd="-8dp"
+            android:layout_marginTop="-8dp"
+            android:layout_marginBottom="-8dp"
+            android:padding="8dp"
+            android:background="?attr/selectableItemBackground"
+            android:textAppearance="@style/TextAppearance.Material.DatePicker.YearLabel"
+            android:nextFocusForward="@+id/prev" />
 
+        <TextView
+            android:id="@+id/date_picker_header_date"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/TextAppearance.Material.DatePicker.DateLabel"
+            android:gravity="start"
+            android:maxLines="2"
+            android:ellipsize="none" />
+    </LinearLayout>
 </LinearLayout>
diff --git a/data/fonts/fonts.xml b/data/fonts/fonts.xml
index 731bf42..961d0eb 100644
--- a/data/fonts/fonts.xml
+++ b/data/fonts/fonts.xml
@@ -341,15 +341,9 @@
     <family lang="ko">
         <font weight="400" style="normal" index="1">NotoSansCJK-Regular.ttc</font>
     </family>
-    <family>
-        <font weight="400" style="normal">NanumGothic.ttf</font>
-    </family>
     <family lang="und-Zsye">
         <font weight="400" style="normal">NotoColorEmoji.ttf</font>
     </family>
-    <family>
-        <font weight="400" style="normal">DroidSansFallback.ttf</font>
-    </family>
     <!--
         Tai Le and Mongolian are intentionally kept last, to make sure they don't override
         the East Asian punctuation for Chinese.
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp
index 9fc0c19..c5000e4 100644
--- a/libs/hwui/Texture.cpp
+++ b/libs/hwui/Texture.cpp
@@ -95,28 +95,21 @@
 void Texture::upload(GLint internalformat, uint32_t width, uint32_t height,
         GLenum format, GLenum type, const void* pixels) {
     GL_CHECKPOINT();
-    bool needsAlloc = updateSize(width, height, internalformat);
-    if (!needsAlloc && !pixels) {
-        return;
-    }
     mCaches.textureState().activateTexture(0);
-    GL_CHECKPOINT();
+    bool needsAlloc = updateSize(width, height, internalformat);
     if (!mId) {
         glGenTextures(1, &mId);
         needsAlloc = true;
     }
-    GL_CHECKPOINT();
     mCaches.textureState().bindTexture(GL_TEXTURE_2D, mId);
-    GL_CHECKPOINT();
     if (needsAlloc) {
         glTexImage2D(GL_TEXTURE_2D, 0, mFormat, mWidth, mHeight, 0,
                 format, type, pixels);
-        GL_CHECKPOINT();
-    } else {
+    } else if (pixels) {
         glTexSubImage2D(GL_TEXTURE_2D, 0, mFormat, mWidth, mHeight, 0,
                 format, type, pixels);
-        GL_CHECKPOINT();
     }
+    GL_CHECKPOINT();
 }
 
 static void uploadToTexture(bool resize, GLenum format, GLenum type, GLsizei stride, GLsizei bpp,
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/SelectPrinterActivity.java b/packages/PrintSpooler/src/com/android/printspooler/ui/SelectPrinterActivity.java
index 13105aa..1aec253 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/SelectPrinterActivity.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/SelectPrinterActivity.java
@@ -635,9 +635,9 @@
             CharSequence description = printer.getDescription();
 
             CharSequence subtitle;
-            if (printServiceLabel == null) {
+            if (TextUtils.isEmpty(printServiceLabel)) {
                 subtitle = description;
-            } else if (description == null) {
+            } else if (TextUtils.isEmpty(description)) {
                 subtitle = printServiceLabel;
             } else {
                 subtitle = getString(R.string.printer_extended_description_template,
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index 6ec757d..c1f97a8 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -152,6 +152,9 @@
     <!-- Needed for passing extras with intent ACTION_SHOW_ADMIN_SUPPORT_DETAILS -->
     <uses-permission android:name="android.permission.MANAGE_DEVICE_ADMINS" />
 
+    <!-- TV picture-in-picture -->
+    <uses-permission android:name="android.permission.RECEIVE_MEDIA_RESOURCE_USAGE" />
+
     <application
         android:name=".SystemUIApplication"
         android:persistent="true"
diff --git a/packages/SystemUI/res/layout/qs_customize_layout.xml b/packages/SystemUI/res/layout/qs_customize_layout.xml
index 91cf894..0b8e02f 100644
--- a/packages/SystemUI/res/layout/qs_customize_layout.xml
+++ b/packages/SystemUI/res/layout/qs_customize_layout.xml
@@ -21,14 +21,6 @@
     android:layout_height="wrap_content"
     android:orientation="vertical">
 
-    <com.android.systemui.qs.QuickTileLayout
-        android:id="@+id/quick_tile_layout"
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/qs_quick_actions_height"
-        android:orientation="horizontal"
-        android:paddingStart="@dimen/qs_quick_actions_padding"
-        android:paddingEnd="@dimen/qs_quick_actions_padding" />
-
     <view
         class="com.android.systemui.qs.PagedTileLayout$TilePage"
         android:id="@+id/tile_page"
diff --git a/packages/SystemUI/res/values-land/config.xml b/packages/SystemUI/res/values-land/config.xml
index 43e7bac..e0affa1 100644
--- a/packages/SystemUI/res/values-land/config.xml
+++ b/packages/SystemUI/res/values-land/config.xml
@@ -38,4 +38,6 @@
          while the stack is not focused. -->
     <item name="recents_layout_unfocused_range_min" format="float" type="integer">-2</item>
     <item name="recents_layout_unfocused_range_max" format="float" type="integer">1.5</item>
+
+    <integer name="quick_settings_num_columns">4</integer>
 </resources>
diff --git a/packages/SystemUI/res/values-sw600dp-land/config.xml b/packages/SystemUI/res/values-sw600dp-land/config.xml
index f9b01c8..7e8d802 100644
--- a/packages/SystemUI/res/values-sw600dp-land/config.xml
+++ b/packages/SystemUI/res/values-sw600dp-land/config.xml
@@ -18,4 +18,6 @@
     <!-- The maximum count of notifications on Keyguard. The rest will be collapsed in an overflow
          card. -->
     <integer name="keyguard_max_notification_count">3</integer>
+
+    <integer name="quick_settings_num_columns">3</integer>
 </resources>
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 3fb5f18..47eb05a 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -134,9 +134,7 @@
     <dimen name="pull_span_min">25dp</dimen>
 
     <dimen name="qs_tile_height">88dp</dimen>
-    <dimen name="qs_new_tile_height">100dp</dimen>
-    <dimen name="qs_quick_actions_height">88dp</dimen>
-    <dimen name="qs_quick_actions_padding">25dp</dimen>
+    <dimen name="qs_tile_margin">16dp</dimen>
     <dimen name="qs_quick_tile_size">48dp</dimen>
     <dimen name="qs_quick_tile_padding">12dp</dimen>
     <dimen name="qs_date_anim_translation">44.5dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
index 28ddf060..6bc8b50 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
@@ -62,27 +62,32 @@
 
     @Override
     public int getOffsetTop(TileRecord tile) {
-        return ((ViewGroup) tile.tileView.getParent()).getTop();
+        return ((ViewGroup) tile.tileView.getParent()).getTop() + getTop();
     }
 
     @Override
     public void addTile(TileRecord tile) {
         mTiles.add(tile);
-        distributeTiles();
+        postDistributeTiles();
     }
 
     @Override
     public void removeTile(TileRecord tile) {
         if (mTiles.remove(tile)) {
-            distributeTiles();
+            postDistributeTiles();
         }
     }
 
+    private void postDistributeTiles() {
+        removeCallbacks(mDistribute);
+        post(mDistribute);
+    }
+
     private void distributeTiles() {
         if (DEBUG) Log.d(TAG, "Distributing tiles");
         final int NP = mPages.size();
         for (int i = 0; i < NP; i++) {
-            mPages.get(i).clear();
+            mPages.get(i).removeAllViews();
         }
         int index = 0;
         final int NT = mTiles.size();
@@ -107,10 +112,15 @@
     }
 
     @Override
-    public void updateResources() {
+    public boolean updateResources() {
+        boolean changed = false;
         for (int i = 0; i < mPages.size(); i++) {
-            mPages.get(i).updateResources();
+            changed |= mPages.get(i).updateResources();
         }
+        if (changed) {
+            distributeTiles();
+        }
+        return changed;
     }
 
     @Override
@@ -129,6 +139,13 @@
         setMeasuredDimension(getMeasuredWidth(), maxHeight + mPageIndicator.getMeasuredHeight());
     }
 
+    private final Runnable mDistribute = new Runnable() {
+        @Override
+        public void run() {
+            distributeTiles();
+        }
+    };
+
     public static class TilePage extends TileLayout {
         private int mMaxRows = 3;
 
@@ -137,21 +154,19 @@
             updateResources();
         }
 
+        @Override
+        public boolean updateResources() {
+            if (super.updateResources()) {
+                mMaxRows = mColumns != 3 ? 2 : 3;
+                return true;
+            }
+            return false;
+        }
+
         public void setMaxRows(int maxRows) {
             mMaxRows = maxRows;
         }
 
-        @Override
-        protected int getCellHeight() {
-            return mContext.getResources().getDimensionPixelSize(R.dimen.qs_new_tile_height);
-        }
-
-        private void clear() {
-            if (DEBUG) Log.d(TAG, "Clearing page");
-            removeAllViews();
-            mRecords.clear();
-        }
-
         public boolean isFull() {
             return mRecords.size() >= mColumns * mMaxRows;
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index fd07e50..b5f146b 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -557,8 +557,6 @@
     public static final class TileRecord extends Record {
         public QSTile<?> tile;
         public QSTileBaseView tileView;
-        public int row;
-        public int col;
         public boolean scanState;
         public boolean openingDetail;
     }
@@ -607,6 +605,6 @@
         void addTile(TileRecord tile);
         void removeTile(TileRecord tile);
         int getOffsetTop(TileRecord tile);
-        void updateResources();
+        boolean updateResources();
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 56364e9..72629a3 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -129,6 +129,10 @@
         mHandler.obtainMessage(H.ADD_CALLBACK, callback).sendToTarget();
     }
 
+    public void removeCallbacks() {
+        mHandler.sendEmptyMessage(H.REMOVE_CALLBACKS);
+    }
+
     public void click() {
         mHandler.sendEmptyMessage(H.CLICK);
     }
@@ -188,6 +192,10 @@
         handleRefreshState(null);
     }
 
+    private void handleRemoveCallbacks() {
+        mCallbacks.clear();
+    }
+
     protected void handleSecondaryClick() {
         // Default to normal click.
         handleClick();
@@ -285,6 +293,7 @@
         private static final int SCAN_STATE_CHANGED = 9;
         private static final int DESTROY = 10;
         private static final int CLEAR_STATE = 11;
+        private static final int REMOVE_CALLBACKS = 12;
 
         private H(Looper looper) {
             super(looper);
@@ -296,7 +305,10 @@
             try {
                 if (msg.what == ADD_CALLBACK) {
                     name = "handleAddCallback";
-                    handleAddCallback((QSTile.Callback)msg.obj);
+                    handleAddCallback((QSTile.Callback) msg.obj);
+                } else if (msg.what == REMOVE_CALLBACKS) {
+                    name = "handleRemoveCallbacks";
+                    handleRemoveCallbacks();
                 } else if (msg.what == CLICK) {
                     name = "handleClick";
                     if (mState.disabledByPolicy) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index 5782800..b391c1e 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -145,8 +145,9 @@
         }
 
         @Override
-        public void updateResources() {
+        public boolean updateResources() {
             // No resources here.
+            return false;
         }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
index ff11177..59a394f 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
@@ -5,7 +5,6 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
-
 import com.android.systemui.R;
 import com.android.systemui.qs.QSPanel.QSTileLayout;
 import com.android.systemui.qs.QSPanel.TileRecord;
@@ -21,6 +20,7 @@
     protected int mColumns;
     private int mCellWidth;
     private int mCellHeight;
+    private int mCellMargin;
 
     protected final ArrayList<TileRecord> mRecords = new ArrayList<>();
 
@@ -54,52 +54,33 @@
         super.removeAllViews();
     }
 
-    public void updateResources() {
+    public boolean updateResources() {
         final Resources res = mContext.getResources();
         final int columns = Math.max(1, res.getInteger(R.integer.quick_settings_num_columns));
-        mCellHeight = getCellHeight();
-        mCellWidth = (int) (mCellHeight * TILE_ASPECT);
+        mCellHeight = mContext.getResources().getDimensionPixelSize(R.dimen.qs_tile_height);
+        mCellMargin = res.getDimensionPixelSize(R.dimen.qs_tile_margin);
         if (mColumns != columns) {
             mColumns = columns;
             postInvalidate();
+            return true;
         }
-    }
-
-    protected int getCellHeight() {
-        return mContext.getResources().getDimensionPixelSize(R.dimen.qs_tile_height);
+        return false;
     }
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        final int numTiles = mRecords.size();
         final int width = MeasureSpec.getSize(widthMeasureSpec);
-        int r = -1;
-        int c = -1;
-        int rows = 0;
-        for (TileRecord record : mRecords) {
-            if (record.tileView.getVisibility() == GONE) continue;
-            // wrap to next column if we've reached the max # of columns
-            // also don't allow dual + single tiles on the same row
-            if (r == -1 || c == (mColumns - 1)) {
-                r++;
-                c = 0;
-            } else {
-                c++;
-            }
-            record.row = r;
-            record.col = c;
-            rows = r + 1;
-        }
+        final int rows = (numTiles + mColumns - 1) / mColumns;
+        mCellWidth = (width - (mCellMargin * (mColumns + 1))) / mColumns;
 
         View previousView = this;
         for (TileRecord record : mRecords) {
             if (record.tileView.getVisibility() == GONE) continue;
-            final int cw = mCellWidth;
-            final int ch = mCellHeight;
-            record.tileView.measure(exactly(cw), exactly(ch));
+            record.tileView.measure(exactly(mCellWidth), exactly(mCellHeight));
             previousView = record.tileView.updateAccessibilityOrder(previousView);
         }
-        int h = rows == 0 ? 0 : getRowTop(rows);
-        setMeasuredDimension(width, h);
+        setMeasuredDimension(width, (mCellHeight + mCellMargin) * rows + mCellMargin);
     }
 
     private static int exactly(int size) {
@@ -110,37 +91,32 @@
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         final int w = getWidth();
         boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
-        for (TileRecord record : mRecords) {
-            if (record.tileView.getVisibility() == GONE) continue;
-            final int cols = getColumnCount(record.row);
-            final int cw = mCellWidth;
-            final int extra = (w - cw * cols) / (cols + 1);
-            int left = record.col * cw + (record.col + 1) * extra;
-            final int top = getRowTop(record.row);
+        int row = 0;
+        int column = 0;
+        for (int i = 0; i < mRecords.size(); i++, column++) {
+            if (column == mColumns) {
+                row++;
+                column -= mColumns;
+            }
+            TileRecord record = mRecords.get(i);
+            int left = getColumnStart(column);
+            final int top = getRowTop(row);
             int right;
-            int tileWith = record.tileView.getMeasuredWidth();
             if (isRtl) {
                 right = w - left;
-                left = right - tileWith;
+                left = right - mCellWidth;
             } else {
-                right = left + tileWith;
+                right = left + mCellWidth;
             }
             record.tileView.layout(left, top, right, top + record.tileView.getMeasuredHeight());
         }
     }
 
     private int getRowTop(int row) {
-        if (row <= 0) return 0;
-        return row * mCellHeight;
+        return row * (mCellHeight + mCellMargin) + mCellMargin;
     }
 
-    private int getColumnCount(int row) {
-        int cols = 0;
-        for (TileRecord record : mRecords) {
-            if (record.tileView.getVisibility() == GONE) continue;
-            if (record.row == row) cols++;
-        }
-        return cols;
+    private int getColumnStart(int column) {
+        return column * (mCellWidth + mCellMargin) + mCellMargin;
     }
-
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/NonPagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/customize/NonPagedTileLayout.java
index 3acbed8..8f0d194 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/NonPagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/NonPagedTileLayout.java
@@ -31,7 +31,6 @@
 import com.android.systemui.qs.QSPanel.QSTileLayout;
 import com.android.systemui.qs.QSPanel.TileRecord;
 import com.android.systemui.qs.QSTile;
-import com.android.systemui.qs.QuickTileLayout;
 
 import java.util.ArrayList;
 
@@ -42,7 +41,6 @@
  */
 public class NonPagedTileLayout extends LinearLayout implements QSTileLayout, OnTouchListener {
 
-    private QuickTileLayout mQuickTiles;
     private final ArrayList<TilePage> mPages = new ArrayList<>();
     private final ArrayList<TileRecord> mTiles = new ArrayList<TileRecord>();
     private CustomQSPanel mPanel;
@@ -58,8 +56,6 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mQuickTiles = (QuickTileLayout) findViewById(R.id.quick_tile_layout);
-        mQuickTiles.setVisibility(View.GONE);
         TilePage page = (PagedTileLayout.TilePage) findViewById(R.id.tile_page);
         page.setMaxRows(3 /* First page only gets 3 */);
         mPages.add(page);
@@ -95,7 +91,6 @@
     }
 
     private void distributeTiles() {
-        mQuickTiles.removeAllViews();
         final int NP = mPages.size();
         for (int i = 0; i < NP; i++) {
             mPages.get(i).removeAllViews();
@@ -124,7 +119,8 @@
     }
 
     @Override
-    public void updateResources() {
+    public boolean updateResources() {
+        return false;
     }
 
     @Override
@@ -133,24 +129,20 @@
             case DragEvent.ACTION_DRAG_LOCATION:
                 float x = event.getX();
                 float y = event.getY();
-                if (contains(mQuickTiles, x, y)) {
-                    // TODO: Reset to pre-drag state.
-                } else {
-                    final int NP = mPages.size();
-                    for (int i = 0; i < NP; i++) {
-                        TilePage page = mPages.get(i);
-                        if (contains(page, x, y)) {
-                            x -= page.getLeft();
-                            y -= page.getTop();
-                            final int NC = page.getChildCount();
-                            for (int j = 0; j < NC; j++) {
-                                View child = page.getChildAt(j);
-                                if (contains(child, x, y)) {
-                                    mPanel.tileSelected((QSTile<?>) child.getTag(), mCurrentClip);
-                                }
+                final int NP = mPages.size();
+                for (int i = 0; i < NP; i++) {
+                    TilePage page = mPages.get(i);
+                    if (contains(page, x, y)) {
+                        x -= page.getLeft();
+                        y -= page.getTop();
+                        final int NC = page.getChildCount();
+                        for (int j = 0; j < NC; j++) {
+                            View child = page.getChildAt(j);
+                            if (contains(child, x, y)) {
+                                mPanel.tileSelected((QSTile<?>) child.getTag(), mCurrentClip);
                             }
-                            break;
                         }
+                        break;
                     }
                 }
                 break;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java b/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
index 4a7d67f..cc4ce70 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/QSCustomizer.java
@@ -45,7 +45,6 @@
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 import com.android.systemui.statusbar.phone.QSTileHost;
 import com.android.systemui.statusbar.phone.SystemUIDialog;
-import com.android.systemui.tuner.QSPagingSwitch;
 
 import java.util.ArrayList;
 
@@ -145,7 +144,8 @@
 
     private void reset() {
         ArrayList<String> tiles = new ArrayList<>();
-        for (String tile : QSPagingSwitch.QS_PAGE_TILES.split(",")) {
+        String defTiles = mContext.getString(R.string.quick_settings_tiles_default);
+        for (String tile : defTiles.split(",")) {
             tiles.add(tile);
         }
         mQsPanel.setTiles(tiles);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java b/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
index a6a7143..6e22dde 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
@@ -37,13 +37,11 @@
 import android.widget.GridLayout;
 import android.widget.ImageView;
 import android.widget.TextView;
-
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.QSTile.Icon;
 import com.android.systemui.qs.external.CustomTile;
 import com.android.systemui.statusbar.phone.QSTileHost;
-import com.android.systemui.tuner.QSPagingSwitch;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -74,8 +72,9 @@
             }
             mCurrentTiles = tileSpecs;
             final TileGroup group = new TileGroup("com.android.settings", mContext);
-            // TODO: Pull this list from a more authoritative place.
-            String[] possibleTiles = QSPagingSwitch.QS_PAGE_TILES.split(",");
+            String possible = mContext.getString(R.string.quick_settings_tiles_default)
+                    + ",user,hotspot,inversion";
+            String[] possibleTiles = possible.split(",");
             for (int i = 0; i < possibleTiles.length; i++) {
                 final String spec = possibleTiles[i];
                 if (spec.startsWith("q")) {
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 29ad5d1c..7e27856 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -295,6 +295,7 @@
             if (mTiles.containsKey(tileSpec)) {
                 QSTile<?> tile = mTiles.get(tileSpec);
                 if (DEBUG) Log.d(TAG, "Adding " + tile);
+                tile.removeCallbacks();
                 newTiles.put(tileSpec, tile);
             } else {
                 if (DEBUG) Log.d(TAG, "Creating tile: " + tileSpec);
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/QSPagingSwitch.java b/packages/SystemUI/src/com/android/systemui/tuner/QSPagingSwitch.java
deleted file mode 100644
index d19a825..0000000
--- a/packages/SystemUI/src/com/android/systemui/tuner/QSPagingSwitch.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package com.android.systemui.tuner;
-
-import android.content.Context;
-import android.provider.Settings;
-import android.util.AttributeSet;
-
-import com.android.systemui.statusbar.phone.QSTileHost;
-
-public class QSPagingSwitch extends TunerSwitch {
-
-    public static final String QS_PAGE_TILES =
-            "dnd,cell,battery,user,rotation,flashlight,location,"
-             + "hotspot,inversion,cast";
-
-    public QSPagingSwitch(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected boolean persistBoolean(boolean value) {
-        Settings.Secure.putString(getContext().getContentResolver(), QSTileHost.TILES_SETTING,
-                value ? QS_PAGE_TILES : "default");
-        return super.persistBoolean(value);
-    }
-
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
index 2aac69a..3d91d62 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
@@ -29,6 +29,7 @@
 import android.graphics.Rect;
 import android.os.Handler;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.util.Log;
 
 import java.util.ArrayList;
@@ -37,6 +38,9 @@
 import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
 import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
 
+import android.app.ActivityManager;
+import android.app.ActivityManager.RunningTaskInfo;
+
 /**
  * Manages the picture-in-picture (PIP) UI and states.
  */
@@ -46,10 +50,15 @@
 
     private static PipManager sPipManager;
 
+    private static final int MAX_RUNNING_TASKS_COUNT = 10;
+
     private static final int STATE_NO_PIP = 0;
     private static final int STATE_PIP_OVERLAY = 1;
     private static final int STATE_PIP_MENU = 2;
 
+    private static final int TASK_ID_NO_PIP = -1;
+    private static final int INVALID_RESOURCE_TYPE = -1;
+
     private Context mContext;
     private IActivityManager mActivityManager;
     private int mState = STATE_NO_PIP;
@@ -58,6 +67,8 @@
     private Rect mPipBound;
     private Rect mMenuModePipBound;
     private boolean mInitialized;
+    private int mPipTaskId = TASK_ID_NO_PIP;
+
     private final Runnable mOnActivityPinnedRunnable = new Runnable() {
         @Override
         public void run() {
@@ -74,6 +85,7 @@
             }
             if (DEBUG) Log.d(TAG, "PINNED_STACK:" + stackInfo);
             mState = STATE_PIP_OVERLAY;
+            mPipTaskId = stackInfo.taskIds[stackInfo.taskIds.length - 1];
             launchPipOverlayActivity();
         }
     };
@@ -86,15 +98,27 @@
         }
     };
 
-    private final BroadcastReceiver mPipButtonReceiver = new BroadcastReceiver() {
+    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
-            if (DEBUG) Log.d(TAG, "PIP button pressed");
-            if (!hasPipTasks()) {
-                startPip();
-            } else if (mState == STATE_PIP_OVERLAY) {
-                showPipMenu();
+            String action = intent.getAction();
+            if (Intent.ACTION_PICTURE_IN_PICTURE_BUTTON.equals(action)) {
+                if (DEBUG) Log.d(TAG, "PIP button pressed");
+                if (!hasPipTasks()) {
+                    startPip();
+                } else if (mState == STATE_PIP_OVERLAY) {
+                    showPipMenu();
+                }
+            } else if (Intent.ACTION_MEDIA_RESOURCE_GRANTED.equals(action)) {
+                String[] packageNames = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES);
+                int resourceType = intent.getIntExtra(Intent.EXTRA_MEDIA_RESOURCE_TYPE,
+                        INVALID_RESOURCE_TYPE);
+                if (mState != STATE_NO_PIP && packageNames != null && packageNames.length > 0
+                        && resourceType == Intent.EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC) {
+                    handleMediaResourceGranted(packageNames);
+                }
             }
+
         }
     };
 
@@ -125,7 +149,8 @@
         }
         IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction(Intent.ACTION_PICTURE_IN_PICTURE_BUTTON);
-        mContext.registerReceiver(mPipButtonReceiver, intentFilter);
+        intentFilter.addAction(Intent.ACTION_MEDIA_RESOURCE_GRANTED);
+        mContext.registerReceiver(mBroadcastReceiver, intentFilter);
     }
 
     private void startPip() {
@@ -142,6 +167,7 @@
      */
     public void closePip() {
         mState = STATE_NO_PIP;
+        mPipTaskId = TASK_ID_NO_PIP;
         StackInfo stackInfo = null;
         try {
             stackInfo = mActivityManager.getStackInfo(PINNED_STACK_ID);
@@ -166,6 +192,7 @@
      */
     public void movePipToFullscreen() {
         mState = STATE_NO_PIP;
+        mPipTaskId = TASK_ID_NO_PIP;
         for (int i = mListeners.size() - 1; i >= 0; --i) {
             mListeners.get(i).onMoveToFullscreen();
         }
@@ -251,6 +278,45 @@
         }
     }
 
+    private void handleMediaResourceGranted(String[] packageNames) {
+        StackInfo fullscreenStack = null;
+        try {
+            fullscreenStack = mActivityManager.getStackInfo(FULLSCREEN_WORKSPACE_STACK_ID);
+        } catch (RemoteException e) {
+            Log.e(TAG, "getStackInfo failed", e);
+        }
+        if (fullscreenStack == null) {
+            return;
+        }
+        int fullscreenTopTaskId = fullscreenStack.taskIds[fullscreenStack.taskIds.length - 1];
+        List<RunningTaskInfo> tasks = null;
+        try {
+            tasks = mActivityManager.getTasks(MAX_RUNNING_TASKS_COUNT, 0);
+        } catch (RemoteException e) {
+            Log.e(TAG, "getTasks failed", e);
+        }
+        if (tasks == null) {
+            return;
+        }
+        boolean wasGrantedInFullscreen = false;
+        boolean wasGrantedInPip = false;
+        for (int i = tasks.size() - 1; i >= 0; --i) {
+            RunningTaskInfo task = tasks.get(i);
+            for (int j = packageNames.length - 1; j >= 0; --j) {
+                if (task.topActivity.getPackageName().equals(packageNames[j])) {
+                    if (task.id == fullscreenTopTaskId) {
+                        wasGrantedInFullscreen = true;
+                    } else if (task.id == mPipTaskId) {
+                        wasGrantedInPip= true;
+                    }
+                }
+            }
+        }
+        if (wasGrantedInFullscreen && !wasGrantedInPip) {
+            closePip();
+        }
+    }
+
     private class TaskStackListener extends ITaskStackListener.Stub {
         @Override
         public void onTaskStackChanged() throws RemoteException {