Merge "Fixes the connection listener wrong thread crash for overview proxy"
diff --git a/api/current.txt b/api/current.txt
index c63ddbf..cebd6d6 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -39326,7 +39326,9 @@
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
     method public int describeContents();
+    method public android.bluetooth.BluetoothDevice getActiveBluetoothDevice();
     method public int getRoute();
+    method public java.util.Collection<android.bluetooth.BluetoothDevice> getSupportedBluetoothDevices();
     method public int getSupportedRouteMask();
     method public boolean isMuted();
     method public void writeToParcel(android.os.Parcel, int);
@@ -39458,6 +39460,7 @@
     method public final void putExtras(android.os.Bundle);
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
+    method public void requestBluetoothAudio(java.lang.String);
     method public void sendConnectionEvent(java.lang.String, android.os.Bundle);
     method public final void setActive();
     method public final void setAddress(android.net.Uri, int);
@@ -39648,6 +39651,7 @@
     method public void onCanAddCallChanged(boolean);
     method public void onConnectionEvent(android.telecom.Call, java.lang.String, android.os.Bundle);
     method public void onSilenceRinger();
+    method public final void requestBluetoothAudio(java.lang.String);
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
diff --git a/api/system-current.txt b/api/system-current.txt
index 119040e..e1f2272 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -42652,7 +42652,9 @@
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
     method public int describeContents();
+    method public android.bluetooth.BluetoothDevice getActiveBluetoothDevice();
     method public int getRoute();
+    method public java.util.Collection<android.bluetooth.BluetoothDevice> getSupportedBluetoothDevices();
     method public int getSupportedRouteMask();
     method public boolean isMuted();
     method public void writeToParcel(android.os.Parcel, int);
@@ -42791,6 +42793,7 @@
     method public final void putExtras(android.os.Bundle);
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
+    method public void requestBluetoothAudio(java.lang.String);
     method public void sendConnectionEvent(java.lang.String, android.os.Bundle);
     method public final void setActive();
     method public final void setAddress(android.net.Uri, int);
@@ -42984,6 +42987,7 @@
     method public deprecated void onPhoneCreated(android.telecom.Phone);
     method public deprecated void onPhoneDestroyed(android.telecom.Phone);
     method public void onSilenceRinger();
+    method public final void requestBluetoothAudio(java.lang.String);
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
@@ -43122,6 +43126,7 @@
     method public final android.telecom.CallAudioState getCallAudioState();
     method public final java.util.List<android.telecom.Call> getCalls();
     method public final void removeListener(android.telecom.Phone.Listener);
+    method public void requestBluetoothAudio(java.lang.String);
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
   }
diff --git a/api/test-current.txt b/api/test-current.txt
index 8062d16..92b41a8 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -39717,7 +39717,9 @@
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
     method public int describeContents();
+    method public android.bluetooth.BluetoothDevice getActiveBluetoothDevice();
     method public int getRoute();
+    method public java.util.Collection<android.bluetooth.BluetoothDevice> getSupportedBluetoothDevices();
     method public int getSupportedRouteMask();
     method public boolean isMuted();
     method public void writeToParcel(android.os.Parcel, int);
@@ -39852,6 +39854,7 @@
     method public final void putExtras(android.os.Bundle);
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
+    method public void requestBluetoothAudio(java.lang.String);
     method public void sendConnectionEvent(java.lang.String, android.os.Bundle);
     method public final void sendRemoteRttRequest();
     method public final void sendRttInitiationFailure(int);
@@ -40055,6 +40058,7 @@
     method public void onCanAddCallChanged(boolean);
     method public void onConnectionEvent(android.telecom.Call, java.lang.String, android.os.Bundle);
     method public void onSilenceRinger();
+    method public final void requestBluetoothAudio(java.lang.String);
     method public final void setAudioRoute(int);
     method public final void setMuted(boolean);
     field public static final java.lang.String SERVICE_INTERFACE = "android.telecom.InCallService";
diff --git a/core/java/android/bluetooth/BluetoothSocket.java b/core/java/android/bluetooth/BluetoothSocket.java
index 23956e1..0569913 100644
--- a/core/java/android/bluetooth/BluetoothSocket.java
+++ b/core/java/android/bluetooth/BluetoothSocket.java
@@ -375,7 +375,7 @@
             IBluetooth bluetoothProxy =
                     BluetoothAdapter.getDefaultAdapter().getBluetoothService(null);
             if (bluetoothProxy == null) throw new IOException("Bluetooth is off");
-            mPfd = bluetoothProxy.connectSocket(mDevice, mType,
+            mPfd = bluetoothProxy.getSocketManager().connectSocket(mDevice, mType,
                     mUuid, mPort, getSecurityFlags());
             synchronized (this) {
                 if (DBG) Log.d(TAG, "connect(), SocketState: " + mSocketState + ", mPfd: " + mPfd);
diff --git a/libs/hwui/pipeline/skia/SkiaRecordingCanvas.cpp b/libs/hwui/pipeline/skia/SkiaRecordingCanvas.cpp
index 6657fe8..91b35c2 100644
--- a/libs/hwui/pipeline/skia/SkiaRecordingCanvas.cpp
+++ b/libs/hwui/pipeline/skia/SkiaRecordingCanvas.cpp
@@ -144,22 +144,25 @@
 // ----------------------------------------------------------------------------
 
 inline static const SkPaint* bitmapPaint(const SkPaint* origPaint, SkPaint* tmpPaint,
-                                         sk_sp<SkColorFilter> colorFilter) {
-    if ((origPaint && origPaint->isAntiAlias()) || colorFilter) {
+                                         sk_sp<SkColorFilter> colorSpaceFilter) {
+    if ((origPaint && origPaint->isAntiAlias()) || colorSpaceFilter) {
         if (origPaint) {
             *tmpPaint = *origPaint;
         }
 
-        sk_sp<SkColorFilter> filter;
-        if (colorFilter && tmpPaint->getColorFilter()) {
-            filter = SkColorFilter::MakeComposeFilter(tmpPaint->refColorFilter(), colorFilter);
-            LOG_ALWAYS_FATAL_IF(!filter);
-        } else {
-            filter = colorFilter;
+        if (colorSpaceFilter) {
+            if (tmpPaint->getColorFilter()) {
+                tmpPaint->setColorFilter(
+                        SkColorFilter::MakeComposeFilter(tmpPaint->refColorFilter(), colorSpaceFilter));
+            } else {
+                tmpPaint->setColorFilter(colorSpaceFilter);
+            }
+            LOG_ALWAYS_FATAL_IF(!tmpPaint->getColorFilter());
         }
 
+
+        // disabling AA on bitmap draws matches legacy HWUI behavior
         tmpPaint->setAntiAlias(false);
-        tmpPaint->setColorFilter(filter);
         return tmpPaint;
     } else {
         return origPaint;
diff --git a/media/java/android/media/AudioAttributes.java b/media/java/android/media/AudioAttributes.java
index 20405d3..7afe267 100644
--- a/media/java/android/media/AudioAttributes.java
+++ b/media/java/android/media/AudioAttributes.java
@@ -244,6 +244,7 @@
         SUPPRESSIBLE_USAGES.put(USAGE_GAME,                              SUPPRESSIBLE_MEDIA_SYSTEM_OTHER);
         SUPPRESSIBLE_USAGES.put(USAGE_VOICE_COMMUNICATION_SIGNALLING,    SUPPRESSIBLE_MEDIA_SYSTEM_OTHER);
         SUPPRESSIBLE_USAGES.put(USAGE_ASSISTANT,                         SUPPRESSIBLE_MEDIA_SYSTEM_OTHER);
+        SUPPRESSIBLE_USAGES.put(USAGE_UNKNOWN,                           SUPPRESSIBLE_MEDIA_SYSTEM_OTHER);
     }
 
     /**
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index dab7632a..58976ca 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -43,17 +43,16 @@
 import android.os.Message;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.SystemClock;
 import android.os.ServiceManager;
+import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.ArrayMap;
 import android.util.Log;
-import android.util.Pair;
+import android.util.Slog;
 import android.view.KeyEvent;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
@@ -1966,9 +1965,28 @@
      */
     private boolean querySoundEffectsEnabled(int user) {
         return Settings.System.getIntForUser(getContext().getContentResolver(),
-                Settings.System.SOUND_EFFECTS_ENABLED, 0, user) != 0;
+                Settings.System.SOUND_EFFECTS_ENABLED, 0, user) != 0
+                && !areSystemSoundsZenModeBlocked(getContext());
     }
 
+    private boolean areSystemSoundsZenModeBlocked(Context context) {
+        int zenMode = Settings.Global.getInt(context.getContentResolver(),
+                Settings.Global.ZEN_MODE, 0);
+
+        switch (zenMode) {
+            case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS:
+            case Settings.Global.ZEN_MODE_ALARMS:
+                return true;
+            case Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
+                final NotificationManager noMan = (NotificationManager) context
+                        .getSystemService(Context.NOTIFICATION_SERVICE);
+                return (noMan.getNotificationPolicy().priorityCategories
+                        & NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA_SYSTEM_OTHER) == 0;
+            case Settings.Global.ZEN_MODE_OFF:
+            default:
+                return false;
+        }
+    }
 
     /**
      *  Load Sound effects.
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 28adca9..a35ba9f 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -28,6 +28,7 @@
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.AlarmManager;
+import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.StatusBarManager;
 import android.app.trust.TrustManager;
@@ -1691,6 +1692,8 @@
             mUiOffloadThread.submit(() -> {
                 // If the stream is muted, don't play the sound
                 if (mAudioManager.isStreamMute(mUiSoundsStreamType)) return;
+                // If DND blocks the sound, don't play the sound
+                if (areSystemSoundsZenModeBlocked(mContext)) return;
 
                 int id = mLockSounds.play(soundId,
                         mLockSoundVolume, mLockSoundVolume, 1/*priortiy*/, 0/*loop*/, 1.0f/*rate*/);
@@ -1702,6 +1705,25 @@
         }
     }
 
+    private boolean areSystemSoundsZenModeBlocked(Context context) {
+        int zenMode = Settings.Global.getInt(context.getContentResolver(),
+                Settings.Global.ZEN_MODE, 0);
+
+        switch (zenMode) {
+            case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS:
+            case Settings.Global.ZEN_MODE_ALARMS:
+                return true;
+            case Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
+                final NotificationManager noMan = (NotificationManager) context
+                        .getSystemService(Context.NOTIFICATION_SERVICE);
+                return (noMan.getNotificationPolicy().priorityCategories
+                        & NotificationManager.Policy.PRIORITY_CATEGORY_MEDIA_SYSTEM_OTHER) == 0;
+            case Settings.Global.ZEN_MODE_OFF:
+            default:
+                return false;
+        }
+    }
+
     private void playTrustedSound() {
         playSound(mTrustedSoundId);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index a436e17..5eb315e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -208,6 +208,8 @@
      *
      * @param isHomeStackVisible if provided, will return whether the home stack is visible
      *                           regardless of the recents visibility
+     *
+     * TODO(winsonc): Refactor this check to just use the recents activity lifecycle
      */
     public boolean isRecentsActivityVisible(MutableBoolean isHomeStackVisible) {
         if (mIam == null) return false;
@@ -222,13 +224,13 @@
                 final WindowConfiguration winConfig = stackInfo.configuration.windowConfiguration;
                 final int activityType = winConfig.getActivityType();
                 final int windowingMode = winConfig.getWindowingMode();
-                if (activityType == ACTIVITY_TYPE_HOME) {
+                if (homeStackInfo == null && activityType == ACTIVITY_TYPE_HOME) {
                     homeStackInfo = stackInfo;
-                } else if (activityType == ACTIVITY_TYPE_STANDARD
+                } else if (fullscreenStackInfo == null && activityType == ACTIVITY_TYPE_STANDARD
                         && (windowingMode == WINDOWING_MODE_FULLSCREEN
                             || windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY)) {
                     fullscreenStackInfo = stackInfo;
-                } else if (activityType == ACTIVITY_TYPE_RECENTS) {
+                } else if (recentsStackInfo == null && activityType == ACTIVITY_TYPE_RECENTS) {
                     recentsStackInfo = stackInfo;
                 }
             }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 842a5b8..86ef857 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -3889,7 +3889,7 @@
             }
 
             if (app.info.isPrivilegedApp() &&
-                    !SystemProperties.getBoolean("pm.dexopt.priv-apps", true)) {
+                    SystemProperties.getBoolean("pm.dexopt.priv-apps-oob", false)) {
                 runtimeFlags |= Zygote.DISABLE_VERIFIER;
                 runtimeFlags |= Zygote.ONLY_USE_SYSTEM_OAT_FILES;
             }
diff --git a/services/core/java/com/android/server/notification/ZenModeHelper.java b/services/core/java/com/android/server/notification/ZenModeHelper.java
index f61cec9..1e9fab5 100644
--- a/services/core/java/com/android/server/notification/ZenModeHelper.java
+++ b/services/core/java/com/android/server/notification/ZenModeHelper.java
@@ -835,7 +835,8 @@
         // alarm restrictions
         final boolean muteMediaAndSystemSounds = zen && !mConfig.allowMediaSystemOther;
         // total silence restrictions
-        final boolean muteEverything = mZenMode == Global.ZEN_MODE_NO_INTERRUPTIONS;
+        final boolean muteEverything = mZenMode == Global.ZEN_MODE_NO_INTERRUPTIONS
+                || areAllBehaviorSoundsMuted();
 
         for (int usage : AudioAttributes.SDK_USAGES) {
             final int suppressionBehavior = AudioAttributes.SUPPRESSIBLE_USAGES.get(usage);
@@ -855,9 +856,11 @@
         }
     }
 
+
     @VisibleForTesting
     protected void applyRestrictions(boolean mute, int usage) {
         final String[] exceptionPackages = null; // none (for now)
+
         mAppOps.setRestriction(AppOpsManager.OP_VIBRATE, usage,
                 mute ? AppOpsManager.MODE_IGNORED : AppOpsManager.MODE_ALLOWED,
                 exceptionPackages);
@@ -866,6 +869,12 @@
                 exceptionPackages);
     }
 
+    private boolean areAllBehaviorSoundsMuted() {
+        return !mConfig.allowAlarms  && !mConfig.allowMediaSystemOther && !mConfig.allowReminders
+                && !mConfig.allowCalls && !mConfig.allowMessages && !mConfig.allowEvents
+                && !mConfig.allowRepeatCallers;
+    }
+
     private void applyZenToRingerMode() {
         if (mAudioManager == null) return;
         // force the ringer mode into compliance
diff --git a/services/core/java/com/android/server/pm/PackageDexOptimizer.java b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
index 50ac409..29f48ee 100644
--- a/services/core/java/com/android/server/pm/PackageDexOptimizer.java
+++ b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
@@ -110,9 +110,9 @@
             return false;
         }
 
-        // We do not dexopt a priv-app package when pm.dexopt.priv-apps is false.
+        // We do not dexopt a priv-app package when pm.dexopt.priv-apps-oob is true.
         if (pkg.isPrivileged()) {
-            return SystemProperties.getBoolean("pm.dexopt.priv-apps", true);
+            return !SystemProperties.getBoolean("pm.dexopt.priv-apps-oob", false);
         }
 
         return true;
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 6a0ea4ee..3b547d8 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -9598,7 +9598,7 @@
 
         if (Build.IS_DEBUGGABLE &&
                 pkg.isPrivileged() &&
-                !SystemProperties.getBoolean("pm.dexopt.priv-apps", true)) {
+                SystemProperties.getBoolean("pm.dexopt.priv-apps-oob", false)) {
             PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg);
         }
 
diff --git a/services/core/java/com/android/server/policy/GlobalActions.java b/services/core/java/com/android/server/policy/GlobalActions.java
index 7a2e630..3707a5e 100644
--- a/services/core/java/com/android/server/policy/GlobalActions.java
+++ b/services/core/java/com/android/server/policy/GlobalActions.java
@@ -58,7 +58,7 @@
 
     public void showDialog(boolean keyguardShowing, boolean deviceProvisioned) {
         if (DEBUG) Slog.d(TAG, "showDialog " + keyguardShowing + " " + deviceProvisioned);
-        if (mStatusBarInternal.isGlobalActionsDisabled()) {
+        if (mStatusBarInternal != null && mStatusBarInternal.isGlobalActionsDisabled()) {
             return;
         }
         mKeyguardShowing = keyguardShowing;
diff --git a/services/tests/notification/src/com/android/server/notification/ZenModeHelperTest.java b/services/tests/notification/src/com/android/server/notification/ZenModeHelperTest.java
index cbe9650..8ac6481 100644
--- a/services/tests/notification/src/com/android/server/notification/ZenModeHelperTest.java
+++ b/services/tests/notification/src/com/android/server/notification/ZenModeHelperTest.java
@@ -17,7 +17,7 @@
 package com.android.server.notification;
 
 import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
+import static junit.framework.TestCase.assertTrue;
 
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
@@ -100,5 +100,34 @@
                 AudioAttributes.USAGE_GAME);
         verify(mZenModeHelperSpy, atLeastOnce()).applyRestrictions(true,
                 AudioAttributes.USAGE_ASSISTANCE_SONIFICATION);
+        verify(mZenModeHelperSpy, atLeastOnce()).applyRestrictions(true,
+                AudioAttributes.USAGE_UNKNOWN);
+    }
+
+    @Test
+    public void testZenAllCannotBypass() {
+        // Only audio attributes with SUPPRESIBLE_NEVER can bypass
+        mZenModeHelperSpy.mZenMode = Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS;
+        mZenModeHelperSpy.mConfig.allowAlarms = false;
+        mZenModeHelperSpy.mConfig.allowMediaSystemOther = false;
+        mZenModeHelperSpy.mConfig.allowReminders = false;
+        mZenModeHelperSpy.mConfig.allowCalls = false;
+        mZenModeHelperSpy.mConfig.allowMessages = false;
+        mZenModeHelperSpy.mConfig.allowEvents = false;
+        mZenModeHelperSpy.mConfig.allowRepeatCallers= false;
+        assertFalse(mZenModeHelperSpy.mConfig.allowAlarms);
+        assertFalse(mZenModeHelperSpy.mConfig.allowMediaSystemOther);
+        assertFalse(mZenModeHelperSpy.mConfig.allowReminders);
+        assertFalse(mZenModeHelperSpy.mConfig.allowCalls);
+        assertFalse(mZenModeHelperSpy.mConfig.allowMessages);
+        assertFalse(mZenModeHelperSpy.mConfig.allowEvents);
+        assertFalse(mZenModeHelperSpy.mConfig.allowRepeatCallers);
+        mZenModeHelperSpy.applyRestrictions();
+
+        for (int usage : AudioAttributes.SDK_USAGES) {
+            boolean shouldMute = AudioAttributes.SUPPRESSIBLE_USAGES.get(usage)
+                    != AudioAttributes.SUPPRESSIBLE_NEVER;
+            verify(mZenModeHelperSpy, atLeastOnce()).applyRestrictions(shouldMute, usage);
+        }
     }
 }
diff --git a/telecomm/java/android/telecom/CallAudioState.java b/telecomm/java/android/telecom/CallAudioState.java
index f601d8b..4b827d2 100644
--- a/telecomm/java/android/telecom/CallAudioState.java
+++ b/telecomm/java/android/telecom/CallAudioState.java
@@ -16,16 +16,35 @@
 
 package android.telecom;
 
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.bluetooth.BluetoothDevice;
 import android.os.Parcel;
 import android.os.Parcelable;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 import java.util.Locale;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 /**
  *  Encapsulates the telecom audio state, including the current audio routing, supported audio
  *  routing and mute.
  */
 public final class CallAudioState implements Parcelable {
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(value={ROUTE_EARPIECE, ROUTE_BLUETOOTH, ROUTE_WIRED_HEADSET, ROUTE_SPEAKER},
+            flag=true)
+    public @interface CallAudioRoute {}
+
     /** Direct the audio stream through the device's earpiece. */
     public static final int ROUTE_EARPIECE      = 0x00000001;
 
@@ -55,6 +74,8 @@
     private final boolean isMuted;
     private final int route;
     private final int supportedRouteMask;
+    private final BluetoothDevice activeBluetoothDevice;
+    private final Collection<BluetoothDevice> supportedBluetoothDevices;
 
     /**
      * Constructor for a {@link CallAudioState} object.
@@ -73,10 +94,21 @@
      * {@link #ROUTE_WIRED_HEADSET}
      * {@link #ROUTE_SPEAKER}
      */
-    public CallAudioState(boolean muted, int route, int supportedRouteMask) {
-        this.isMuted = muted;
+    public CallAudioState(boolean muted, @CallAudioRoute int route,
+            @CallAudioRoute int supportedRouteMask) {
+        this(muted, route, supportedRouteMask, null, Collections.emptyList());
+    }
+
+    /** @hide */
+    public CallAudioState(boolean isMuted, @CallAudioRoute int route,
+            @CallAudioRoute int supportedRouteMask,
+            @Nullable BluetoothDevice activeBluetoothDevice,
+            @NonNull Collection<BluetoothDevice> supportedBluetoothDevices) {
+        this.isMuted = isMuted;
         this.route = route;
         this.supportedRouteMask = supportedRouteMask;
+        this.activeBluetoothDevice = activeBluetoothDevice;
+        this.supportedBluetoothDevices = supportedBluetoothDevices;
     }
 
     /** @hide */
@@ -84,6 +116,8 @@
         isMuted = state.isMuted();
         route = state.getRoute();
         supportedRouteMask = state.getSupportedRouteMask();
+        activeBluetoothDevice = state.activeBluetoothDevice;
+        supportedBluetoothDevices = state.getSupportedBluetoothDevices();
     }
 
     /** @hide */
@@ -92,6 +126,8 @@
         isMuted = state.isMuted();
         route = state.getRoute();
         supportedRouteMask = state.getSupportedRouteMask();
+        activeBluetoothDevice = null;
+        supportedBluetoothDevices = Collections.emptyList();
     }
 
     @Override
@@ -103,17 +139,32 @@
             return false;
         }
         CallAudioState state = (CallAudioState) obj;
-        return isMuted() == state.isMuted() && getRoute() == state.getRoute() &&
-                getSupportedRouteMask() == state.getSupportedRouteMask();
+        if (supportedBluetoothDevices.size() != state.supportedBluetoothDevices.size()) {
+            return false;
+        }
+        for (BluetoothDevice device : supportedBluetoothDevices) {
+            if (!state.supportedBluetoothDevices.contains(device)) {
+                return false;
+            }
+        }
+        return Objects.equals(activeBluetoothDevice, state.activeBluetoothDevice) && isMuted() ==
+                state.isMuted() && getRoute() == state.getRoute() && getSupportedRouteMask() ==
+                state.getSupportedRouteMask();
     }
 
     @Override
     public String toString() {
+        String bluetoothDeviceList = supportedBluetoothDevices.stream()
+                .map(BluetoothDevice::getAddress).collect(Collectors.joining(", "));
+
         return String.format(Locale.US,
-                "[AudioState isMuted: %b, route: %s, supportedRouteMask: %s]",
+                "[AudioState isMuted: %b, route: %s, supportedRouteMask: %s, " +
+                        "activeBluetoothDevice: [%s], supportedBluetoothDevices: [%s]]",
                 isMuted,
                 audioRouteToString(route),
-                audioRouteToString(supportedRouteMask));
+                audioRouteToString(supportedRouteMask),
+                activeBluetoothDevice,
+                bluetoothDeviceList);
     }
 
     /**
@@ -126,6 +177,7 @@
     /**
      * @return The current audio route being used.
      */
+    @CallAudioRoute
     public int getRoute() {
         return route;
     }
@@ -133,11 +185,27 @@
     /**
      * @return Bit mask of all routes supported by this call.
      */
+    @CallAudioRoute
     public int getSupportedRouteMask() {
         return supportedRouteMask;
     }
 
     /**
+     * @return The {@link BluetoothDevice} through which audio is being routed.
+     *         Will not be {@code null} if {@link #getRoute()} returns {@link #ROUTE_BLUETOOTH}.
+     */
+    public BluetoothDevice getActiveBluetoothDevice() {
+        return activeBluetoothDevice;
+    }
+
+    /**
+     * @return {@link List} of {@link BluetoothDevice}s that can be used for this call.
+     */
+    public Collection<BluetoothDevice> getSupportedBluetoothDevices() {
+        return supportedBluetoothDevices;
+    }
+
+    /**
      * Converts the provided audio route into a human readable string representation.
      *
      * @param route to convert into a string.
@@ -177,7 +245,13 @@
             boolean isMuted = source.readByte() == 0 ? false : true;
             int route = source.readInt();
             int supportedRouteMask = source.readInt();
-            return new CallAudioState(isMuted, route, supportedRouteMask);
+            BluetoothDevice activeBluetoothDevice = source.readParcelable(
+                    ClassLoader.getSystemClassLoader());
+            List<BluetoothDevice> supportedBluetoothDevices = new ArrayList<>();
+            source.readParcelableList(supportedBluetoothDevices,
+                    ClassLoader.getSystemClassLoader());
+            return new CallAudioState(isMuted, route,
+                    supportedRouteMask, activeBluetoothDevice, supportedBluetoothDevices);
         }
 
         @Override
@@ -202,6 +276,8 @@
         destination.writeByte((byte) (isMuted ? 1 : 0));
         destination.writeInt(route);
         destination.writeInt(supportedRouteMask);
+        destination.writeParcelable(activeBluetoothDevice, 0);
+        destination.writeParcelableList(new ArrayList<>(supportedBluetoothDevices), 0);
     }
 
     private static void listAppend(StringBuffer buffer, String str) {
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 8ba934c..ffb5e93 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -25,6 +25,7 @@
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.app.Notification;
+import android.bluetooth.BluetoothDevice;
 import android.content.Intent;
 import android.hardware.camera2.CameraManager;
 import android.net.Uri;
@@ -819,7 +820,7 @@
         public void onConnectionEvent(Connection c, String event, Bundle extras) {}
         /** @hide */
         public void onConferenceSupportedChanged(Connection c, boolean isConferenceSupported) {}
-        public void onAudioRouteChanged(Connection c, int audioRoute) {}
+        public void onAudioRouteChanged(Connection c, int audioRoute, String bluetoothAddress) {}
         public void onRttInitiationSuccess(Connection c) {}
         public void onRttInitiationFailure(Connection c, int reason) {}
         public void onRttSessionRemotelyTerminated(Connection c) {}
@@ -2576,7 +2577,29 @@
      */
     public final void setAudioRoute(int route) {
         for (Listener l : mListeners) {
-            l.onAudioRouteChanged(this, route);
+            l.onAudioRouteChanged(this, route, null);
+        }
+    }
+
+    /**
+     *
+     * Request audio routing to a specific bluetooth device. Calling this method may result in
+     * the device routing audio to a different bluetooth device than the one specified if the
+     * bluetooth stack is unable to route audio to the requested device.
+     * A list of available devices can be obtained via
+     * {@link CallAudioState#getSupportedBluetoothDevices()}
+     *
+     * <p>
+     * Used by self-managed {@link ConnectionService}s which wish to use bluetooth audio for a
+     * self-managed {@link Connection} (see {@link PhoneAccount#CAPABILITY_SELF_MANAGED}.)
+     * <p>
+     * See also {@link InCallService#requestBluetoothAudio(String)}
+     * @param bluetoothAddress The address of the bluetooth device to connect to, as returned by
+     *                         {@link BluetoothDevice#getAddress()}.
+     */
+    public void requestBluetoothAudio(@NonNull String bluetoothAddress) {
+        for (Listener l : mListeners) {
+            l.onAudioRouteChanged(this, CallAudioState.ROUTE_BLUETOOTH, bluetoothAddress);
         }
     }
 
diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index a81fba9..35804f6 100644
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -1294,10 +1294,10 @@
         }
 
         @Override
-        public void onAudioRouteChanged(Connection c, int audioRoute) {
+        public void onAudioRouteChanged(Connection c, int audioRoute, String bluetoothAddress) {
             String id = mIdByConnection.get(c);
             if (id != null) {
-                mAdapter.setAudioRoute(id, audioRoute);
+                mAdapter.setAudioRoute(id, audioRoute, bluetoothAddress);
             }
         }
 
diff --git a/telecomm/java/android/telecom/ConnectionServiceAdapter.java b/telecomm/java/android/telecom/ConnectionServiceAdapter.java
index 111fcc7..92a9dc2 100644
--- a/telecomm/java/android/telecom/ConnectionServiceAdapter.java
+++ b/telecomm/java/android/telecom/ConnectionServiceAdapter.java
@@ -520,11 +520,14 @@
      * @param callId The unique ID of the call.
      * @param audioRoute The new audio route (see {@code CallAudioState#ROUTE_*}).
      */
-    void setAudioRoute(String callId, int audioRoute) {
-        Log.v(this, "setAudioRoute: %s %s", callId, CallAudioState.audioRouteToString(audioRoute));
+    void setAudioRoute(String callId, int audioRoute, String bluetoothAddress) {
+        Log.v(this, "setAudioRoute: %s %s %s", callId,
+                CallAudioState.audioRouteToString(audioRoute),
+                bluetoothAddress);
         for (IConnectionServiceAdapter adapter : mAdapters) {
             try {
-                adapter.setAudioRoute(callId, audioRoute, Log.getExternalSession());
+                adapter.setAudioRoute(callId, audioRoute,
+                        bluetoothAddress, Log.getExternalSession());
             } catch (RemoteException ignored) {
             }
         }
diff --git a/telecomm/java/android/telecom/ConnectionServiceAdapterServant.java b/telecomm/java/android/telecom/ConnectionServiceAdapterServant.java
index b1617f4..3fbdeb1 100644
--- a/telecomm/java/android/telecom/ConnectionServiceAdapterServant.java
+++ b/telecomm/java/android/telecom/ConnectionServiceAdapterServant.java
@@ -298,8 +298,8 @@
                 case MSG_SET_AUDIO_ROUTE: {
                     SomeArgs args = (SomeArgs) msg.obj;
                     try {
-                        mDelegate.setAudioRoute((String) args.arg1, args.argi1,
-                                (Session.Info) args.arg2);
+                        mDelegate.setAudioRoute((String) args.arg1, args.argi1, (String) args.arg2,
+                                (Session.Info) args.arg3);
                     } finally {
                         args.recycle();
                     }
@@ -548,12 +548,12 @@
 
         @Override
         public final void setAudioRoute(String connectionId, int audioRoute,
-                Session.Info sessionInfo) {
-
+                String bluetoothAddress, Session.Info sessionInfo) {
             SomeArgs args = SomeArgs.obtain();
             args.arg1 = connectionId;
             args.argi1 = audioRoute;
-            args.arg2 = sessionInfo;
+            args.arg2 = bluetoothAddress;
+            args.arg3 = sessionInfo;
             mHandler.obtainMessage(MSG_SET_AUDIO_ROUTE, args).sendToTarget();
         }
 
diff --git a/telecomm/java/android/telecom/InCallAdapter.java b/telecomm/java/android/telecom/InCallAdapter.java
index 9559a28..9bf0467 100644
--- a/telecomm/java/android/telecom/InCallAdapter.java
+++ b/telecomm/java/android/telecom/InCallAdapter.java
@@ -16,6 +16,7 @@
 
 package android.telecom;
 
+import android.bluetooth.BluetoothDevice;
 import android.os.Bundle;
 import android.os.RemoteException;
 
@@ -128,7 +129,22 @@
      */
     public void setAudioRoute(int route) {
         try {
-            mAdapter.setAudioRoute(route);
+            mAdapter.setAudioRoute(route, null);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Request audio routing to a specific bluetooth device. Calling this method may result in
+     * the device routing audio to a different bluetooth device than the one specified. A list of
+     * available devices can be obtained via {@link CallAudioState#getSupportedBluetoothDevices()}
+     *
+     * @param bluetoothAddress The address of the bluetooth device to connect to, as returned by
+     * {@link BluetoothDevice#getAddress()}, or {@code null} if no device is preferred.
+     */
+    public void requestBluetoothAudio(String bluetoothAddress) {
+        try {
+            mAdapter.setAudioRoute(CallAudioState.ROUTE_BLUETOOTH, bluetoothAddress);
         } catch (RemoteException e) {
         }
     }
diff --git a/telecomm/java/android/telecom/InCallService.java b/telecomm/java/android/telecom/InCallService.java
index e384d46..d558bba 100644
--- a/telecomm/java/android/telecom/InCallService.java
+++ b/telecomm/java/android/telecom/InCallService.java
@@ -16,9 +16,11 @@
 
 package android.telecom;
 
+import android.annotation.NonNull;
 import android.annotation.SdkConstant;
 import android.annotation.SystemApi;
 import android.app.Service;
+import android.bluetooth.BluetoothDevice;
 import android.content.Intent;
 import android.hardware.camera2.CameraManager;
 import android.net.Uri;
@@ -377,6 +379,22 @@
     }
 
     /**
+     * Request audio routing to a specific bluetooth device. Calling this method may result in
+     * the device routing audio to a different bluetooth device than the one specified if the
+     * bluetooth stack is unable to route audio to the requested device.
+     * A list of available devices can be obtained via
+     * {@link CallAudioState#getSupportedBluetoothDevices()}
+     *
+     * @param bluetoothAddress The address of the bluetooth device to connect to, as returned by
+     *                         {@link BluetoothDevice#getAddress()}.
+     */
+    public final void requestBluetoothAudio(@NonNull String bluetoothAddress) {
+        if (mPhone != null) {
+            mPhone.requestBluetoothAudio(bluetoothAddress);
+        }
+    }
+
+    /**
      * Invoked when the {@code Phone} has been created. This is a signal to the in-call experience
      * to start displaying in-call information to the user. Each instance of {@code InCallService}
      * will have only one {@code Phone}, and this method will be called exactly once in the lifetime
diff --git a/telecomm/java/android/telecom/Phone.java b/telecomm/java/android/telecom/Phone.java
index 066f6c2..421b1a4 100644
--- a/telecomm/java/android/telecom/Phone.java
+++ b/telecomm/java/android/telecom/Phone.java
@@ -17,7 +17,9 @@
 package android.telecom;
 
 import android.annotation.SystemApi;
+import android.bluetooth.BluetoothDevice;
 import android.os.Bundle;
+import android.os.RemoteException;
 import android.util.ArrayMap;
 
 import java.util.Collections;
@@ -295,6 +297,18 @@
     }
 
     /**
+     * Request audio routing to a specific bluetooth device. Calling this method may result in
+     * the device routing audio to a different bluetooth device than the one specified. A list of
+     * available devices can be obtained via {@link CallAudioState#getSupportedBluetoothDevices()}
+     *
+     * @param bluetoothAddress The address of the bluetooth device to connect to, as returned by
+     * {@link BluetoothDevice#getAddress()}, or {@code null} if no device is preferred.
+     */
+    public void requestBluetoothAudio(String bluetoothAddress) {
+        mInCallAdapter.requestBluetoothAudio(bluetoothAddress);
+    }
+
+    /**
      * Turns the proximity sensor on. When this request is made, the proximity sensor will
      * become active, and the touch screen and display will be turned off when the user's face
      * is detected to be in close proximity to the screen. This operation is a no-op on devices
diff --git a/telecomm/java/android/telecom/RemoteConnectionService.java b/telecomm/java/android/telecom/RemoteConnectionService.java
index 2cc4314..85906ad 100644
--- a/telecomm/java/android/telecom/RemoteConnectionService.java
+++ b/telecomm/java/android/telecom/RemoteConnectionService.java
@@ -398,7 +398,8 @@
         }
 
         @Override
-        public void setAudioRoute(String callId, int audioRoute, Session.Info sessionInfo) {
+        public void setAudioRoute(String callId, int audioRoute, String bluetoothAddress,
+                Session.Info sessionInfo) {
             if (hasConnection(callId)) {
                 // TODO(3pcalls): handle this for remote connections.
                 // Likely we don't want to do anything since it doesn't make sense for self-managed
diff --git a/telecomm/java/com/android/internal/telecom/IConnectionServiceAdapter.aidl b/telecomm/java/com/android/internal/telecom/IConnectionServiceAdapter.aidl
index d20da18..da2015f 100644
--- a/telecomm/java/com/android/internal/telecom/IConnectionServiceAdapter.aidl
+++ b/telecomm/java/com/android/internal/telecom/IConnectionServiceAdapter.aidl
@@ -103,7 +103,8 @@
 
     void removeExtras(String callId, in List<String> keys, in Session.Info sessionInfo);
 
-    void setAudioRoute(String callId, int audioRoute, in Session.Info sessionInfo);
+    void setAudioRoute(String callId, int audioRoute, String bluetoothAddress,
+            in Session.Info sessionInfo);
 
     void onConnectionEvent(String callId, String event, in Bundle extras,
     in Session.Info sessionInfo);
diff --git a/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl b/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
index 73fa29a..bce3392 100644
--- a/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
+++ b/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
@@ -39,7 +39,7 @@
 
     void mute(boolean shouldMute);
 
-    void setAudioRoute(int route);
+    void setAudioRoute(int route, String bluetoothAddress);
 
     void playDtmfTone(String callId, char digit);
 
diff --git a/tools/aapt2/cmd/Convert.cpp b/tools/aapt2/cmd/Convert.cpp
index 89ae9e8..a34d51b 100644
--- a/tools/aapt2/cmd/Convert.cpp
+++ b/tools/aapt2/cmd/Convert.cpp
@@ -37,35 +37,44 @@
 
 namespace aapt {
 
-static bool FlattenXml(IAaptContext* context, const xml::XmlResource& xml,
-                       const std::string& entry_path, bool utf16, IArchiveWriter* writer) {
-  BigBuffer buffer(4096);
-  XmlFlattenerOptions options = {};
-  options.use_utf16 = utf16;
-  XmlFlattener flattener(&buffer, options);
-  if (!flattener.Consume(context, &xml)) {
-    return false;
+class ISerializer {
+ public:
+  ISerializer(IAaptContext* context, const Source& source) : context_(context), source_(source) {}
+
+  virtual bool SerializeXml(const xml::XmlResource* xml, const std::string& path, bool utf16,
+                            IArchiveWriter* writer) = 0;
+  virtual bool SerializeTable(ResourceTable* table, IArchiveWriter* writer) = 0;
+  virtual bool SerializeFile(const FileReference* file, IArchiveWriter* writer) = 0;
+
+  bool CopyFileToArchive(const FileReference* file, IArchiveWriter* writer) {
+    uint32_t compression_flags = file->file->WasCompressed() ? ArchiveEntry::kCompress : 0u;
+    if (!io::CopyFileToArchive(context_, file->file, *file->path, compression_flags, writer)) {
+      context_->GetDiagnostics()->Error(DiagMessage(source_)
+                                        << "failed to copy file " << *file->path);
+      return false;
+    }
+
+    return true;
   }
-  io::BigBufferInputStream input_stream(&buffer);
-  return io::CopyInputStreamToArchive(context, &input_stream, entry_path, ArchiveEntry::kCompress,
-                                      writer);
-}
+
+  virtual ~ISerializer() = default;
+
+ protected:
+  IAaptContext* context_;
+  Source source_;
+};
 
 bool ConvertProtoApkToBinaryApk(IAaptContext* context, unique_ptr<LoadedApk> apk,
-                                const TableFlattenerOptions& options, IArchiveWriter* writer) {
-  if (!FlattenXml(context, *apk->GetManifest(), kAndroidManifestPath, true /*utf16*/, writer)) {
+                                ISerializer* serializer, IArchiveWriter* writer) {
+  if (!serializer->SerializeXml(apk->GetManifest(), kAndroidManifestPath, true /*utf16*/, writer)) {
+    context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
+                                     << "failed to serialize AndroidManifest.xml");
     return false;
   }
 
-  BigBuffer buffer(4096);
-  TableFlattener table_flattener(options, &buffer);
-  if (!table_flattener.Consume(context, apk->GetResourceTable())) {
-    return false;
-  }
-
-  io::BigBufferInputStream input_stream(&buffer);
-  if (!io::CopyInputStreamToArchive(context, &input_stream, kApkResourceTablePath,
-                                    ArchiveEntry::kAlign, writer)) {
+  if (!serializer->SerializeTable(apk->GetResourceTable(), writer)) {
+    context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
+                                     << "failed to serialize the resource table");
     return false;
   }
 
@@ -76,51 +85,16 @@
           const FileReference* file = ValueCast<FileReference>(config_value->value.get());
           if (file != nullptr) {
             if (file->file == nullptr) {
-              context->GetDiagnostics()->Warn(DiagMessage(apk->GetSource())
+              context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
                                               << "no file associated with " << *file);
               return false;
             }
 
-            if (file->type == ResourceFile::Type::kProtoXml) {
-              unique_ptr<io::InputStream> in = file->file->OpenInputStream();
-              if (in == nullptr) {
-                context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
-                                                 << "failed to open file " << *file->path);
-                return false;
-              }
-
-              pb::XmlNode pb_node;
-              io::ZeroCopyInputAdaptor adaptor(in.get());
-              if (!pb_node.ParseFromZeroCopyStream(&adaptor)) {
-                context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
-                                                 << "failed to parse proto XML " << *file->path);
-                return false;
-              }
-
-              std::string error;
-              unique_ptr<xml::XmlResource> xml = DeserializeXmlResourceFromPb(pb_node, &error);
-              if (xml == nullptr) {
-                context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
-                                                 << "failed to deserialize proto XML "
-                                                 << *file->path << ": " << error);
-                return false;
-              }
-
-              if (!FlattenXml(context, *xml, *file->path, false /*utf16*/, writer)) {
-                context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
-                                                 << "failed to serialize XML " << *file->path);
-                return false;
-              }
-            } else {
-              if (!io::CopyFileToArchive(context, file->file, *file->path,
-                                         file->file->WasCompressed() ? ArchiveEntry::kCompress : 0u,
-                                         writer)) {
-                context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
-                                                 << "failed to copy file " << *file->path);
-                return false;
-              }
+            if (!serializer->SerializeFile(file, writer)) {
+              context->GetDiagnostics()->Error(DiagMessage(apk->GetSource())
+                                               << "failed to serialize file " << *file->path);
+              return false;
             }
-
           } // file
         } // config_value
       } // entry
@@ -129,6 +103,84 @@
   return true;
 }
 
+
+class BinarySerializer : public ISerializer {
+ public:
+  BinarySerializer(IAaptContext* context, const Source& source,
+                   const TableFlattenerOptions& options)
+      : ISerializer(context, source), tableFlattenerOptions_(options) {}
+
+  bool SerializeXml(const xml::XmlResource* xml, const std::string& path, bool utf16,
+                    IArchiveWriter* writer) {
+    BigBuffer buffer(4096);
+    XmlFlattenerOptions options = {};
+    options.use_utf16 = utf16;
+    XmlFlattener flattener(&buffer, options);
+    if (!flattener.Consume(context_, xml)) {
+      return false;
+    }
+
+    io::BigBufferInputStream input_stream(&buffer);
+    return io::CopyInputStreamToArchive(context_, &input_stream, path, ArchiveEntry::kCompress,
+                                        writer);
+  }
+
+  bool SerializeTable(ResourceTable* table, IArchiveWriter* writer) {
+    BigBuffer buffer(4096);
+    TableFlattener table_flattener(tableFlattenerOptions_, &buffer);
+    if (!table_flattener.Consume(context_, table)) {
+      return false;
+    }
+
+    io::BigBufferInputStream input_stream(&buffer);
+    return io::CopyInputStreamToArchive(context_, &input_stream, kApkResourceTablePath,
+                                        ArchiveEntry::kAlign, writer);
+  }
+
+  bool SerializeFile(const FileReference* file, IArchiveWriter* writer) {
+    if (file->type == ResourceFile::Type::kProtoXml) {
+      unique_ptr<io::InputStream> in = file->file->OpenInputStream();
+      if (in == nullptr) {
+        context_->GetDiagnostics()->Error(DiagMessage(source_)
+                                          << "failed to open file " << *file->path);
+        return false;
+      }
+
+      pb::XmlNode pb_node;
+      io::ZeroCopyInputAdaptor adaptor(in.get());
+      if (!pb_node.ParseFromZeroCopyStream(&adaptor)) {
+        context_->GetDiagnostics()->Error(DiagMessage(source_)
+                                          << "failed to parse proto XML " << *file->path);
+        return false;
+      }
+
+      std::string error;
+      unique_ptr<xml::XmlResource> xml = DeserializeXmlResourceFromPb(pb_node, &error);
+      if (xml == nullptr) {
+        context_->GetDiagnostics()->Error(DiagMessage(source_)
+                                          << "failed to deserialize proto XML "
+                                          << *file->path << ": " << error);
+        return false;
+      }
+
+      if (!SerializeXml(xml.get(), *file->path, false /*utf16*/, writer)) {
+        context_->GetDiagnostics()->Error(DiagMessage(source_)
+                                          << "failed to serialize proto XML " << *file->path);
+        return false;
+      }
+    } else {
+      return CopyFileToArchive(file, writer);
+    }
+
+    return true;
+  }
+
+ private:
+  TableFlattenerOptions tableFlattenerOptions_;
+
+  DISALLOW_COPY_AND_ASSIGN(BinarySerializer);
+};
+
 class Context : public IAaptContext {
  public:
   Context() : mangler_({}), symbols_(&mangler_) {
@@ -222,7 +274,8 @@
   if (writer == nullptr) {
     return 1;
   }
-  return ConvertProtoApkToBinaryApk(&context, std::move(apk), options, writer.get()) ? 0 : 1;
+  BinarySerializer serializer(&context, apk->GetSource(), options);
+  return ConvertProtoApkToBinaryApk(&context, std::move(apk), &serializer, writer.get()) ? 0 : 1;
 }
 
 }  // namespace aapt