Merge "Fix/suppress hwui/tests google-explicit-constructor warnings"
diff --git a/api/current.txt b/api/current.txt
index 5fa75a8..1d60e8f 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -11315,8 +11315,11 @@
     field public static final java.lang.String FEATURE_MICROPHONE = "android.hardware.microphone";
     field public static final java.lang.String FEATURE_MIDI = "android.software.midi";
     field public static final java.lang.String FEATURE_NFC = "android.hardware.nfc";
+    field public static final java.lang.String FEATURE_NFC_BEAM = "android.sofware.nfc.beam";
     field public static final java.lang.String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
     field public static final java.lang.String FEATURE_NFC_HOST_CARD_EMULATION_NFCF = "android.hardware.nfc.hcef";
+    field public static final java.lang.String FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE = "android.hardware.nfc.ese";
+    field public static final java.lang.String FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC = "android.hardware.nfc.uicc";
     field public static final java.lang.String FEATURE_OPENGLES_EXTENSION_PACK = "android.hardware.opengles.aep";
     field public static final java.lang.String FEATURE_PC = "android.hardware.type.pc";
     field public static final java.lang.String FEATURE_PICTURE_IN_PICTURE = "android.software.picture_in_picture";
@@ -29165,15 +29168,16 @@
     method public deprecated void enableForegroundNdefPush(android.app.Activity, android.nfc.NdefMessage);
     method public void enableReaderMode(android.app.Activity, android.nfc.NfcAdapter.ReaderCallback, int, android.os.Bundle);
     method public static android.nfc.NfcAdapter getDefaultAdapter(android.content.Context);
+    method public java.util.List<java.lang.String> getSupportedOffHostSecureElements();
     method public boolean ignore(android.nfc.Tag, int, android.nfc.NfcAdapter.OnTagRemovedListener, android.os.Handler);
-    method public boolean invokeBeam(android.app.Activity);
+    method public deprecated boolean invokeBeam(android.app.Activity);
     method public boolean isEnabled();
-    method public boolean isNdefPushEnabled();
-    method public void setBeamPushUris(android.net.Uri[], android.app.Activity);
-    method public void setBeamPushUrisCallback(android.nfc.NfcAdapter.CreateBeamUrisCallback, android.app.Activity);
-    method public void setNdefPushMessage(android.nfc.NdefMessage, android.app.Activity, android.app.Activity...);
-    method public void setNdefPushMessageCallback(android.nfc.NfcAdapter.CreateNdefMessageCallback, android.app.Activity, android.app.Activity...);
-    method public void setOnNdefPushCompleteCallback(android.nfc.NfcAdapter.OnNdefPushCompleteCallback, android.app.Activity, android.app.Activity...);
+    method public deprecated boolean isNdefPushEnabled();
+    method public deprecated void setBeamPushUris(android.net.Uri[], android.app.Activity);
+    method public deprecated void setBeamPushUrisCallback(android.nfc.NfcAdapter.CreateBeamUrisCallback, android.app.Activity);
+    method public deprecated void setNdefPushMessage(android.nfc.NdefMessage, android.app.Activity, android.app.Activity...);
+    method public deprecated void setNdefPushMessageCallback(android.nfc.NfcAdapter.CreateNdefMessageCallback, android.app.Activity, android.app.Activity...);
+    method public deprecated void setOnNdefPushCompleteCallback(android.nfc.NfcAdapter.OnNdefPushCompleteCallback, android.app.Activity, android.app.Activity...);
     field public static final java.lang.String ACTION_ADAPTER_STATE_CHANGED = "android.nfc.action.ADAPTER_STATE_CHANGED";
     field public static final java.lang.String ACTION_NDEF_DISCOVERED = "android.nfc.action.NDEF_DISCOVERED";
     field public static final java.lang.String ACTION_TAG_DISCOVERED = "android.nfc.action.TAG_DISCOVERED";
@@ -29200,15 +29204,15 @@
     field public static final int STATE_TURNING_ON = 2; // 0x2
   }
 
-  public static abstract interface NfcAdapter.CreateBeamUrisCallback {
+  public static abstract deprecated interface NfcAdapter.CreateBeamUrisCallback {
     method public abstract android.net.Uri[] createBeamUris(android.nfc.NfcEvent);
   }
 
-  public static abstract interface NfcAdapter.CreateNdefMessageCallback {
+  public static abstract deprecated interface NfcAdapter.CreateNdefMessageCallback {
     method public abstract android.nfc.NdefMessage createNdefMessage(android.nfc.NfcEvent);
   }
 
-  public static abstract interface NfcAdapter.OnNdefPushCompleteCallback {
+  public static abstract deprecated interface NfcAdapter.OnNdefPushCompleteCallback {
     method public abstract void onNdefPushComplete(android.nfc.NfcEvent);
   }
 
@@ -29256,8 +29260,10 @@
     method public boolean isDefaultServiceForCategory(android.content.ComponentName, java.lang.String);
     method public boolean registerAidsForService(android.content.ComponentName, java.lang.String, java.util.List<java.lang.String>);
     method public boolean removeAidsForService(android.content.ComponentName, java.lang.String);
+    method public boolean setOffHostForService(android.content.ComponentName, java.lang.String);
     method public boolean setPreferredService(android.app.Activity, android.content.ComponentName);
     method public boolean supportsAidPrefixRegistration();
+    method public boolean unsetOffHostForService(android.content.ComponentName);
     method public boolean unsetPreferredService(android.app.Activity);
     field public static final java.lang.String ACTION_CHANGE_DEFAULT = "android.nfc.cardemulation.action.ACTION_CHANGE_DEFAULT";
     field public static final java.lang.String CATEGORY_OTHER = "other";
diff --git a/config/hiddenapi-greylist.txt b/config/hiddenapi-greylist.txt
index caac8ae..0c561e6 100644
--- a/config/hiddenapi-greylist.txt
+++ b/config/hiddenapi-greylist.txt
@@ -2878,7 +2878,6 @@
 Lcom/android/internal/telephony/dataconnection/DataConnection;->mPhone:Lcom/android/internal/telephony/Phone;
 Lcom/android/internal/telephony/dataconnection/DataConnection;->mRilRat:I
 Lcom/android/internal/telephony/dataconnection/DataConnection;->notifyAllOfConnected(Ljava/lang/String;)V
-Lcom/android/internal/telephony/dataconnection/DataConnection;->notifyAllOfDisconnectDcRetrying(Ljava/lang/String;)V
 Lcom/android/internal/telephony/dataconnection/DataConnection;->notifyDisconnectCompleted(Lcom/android/internal/telephony/dataconnection/DataConnection$DisconnectParams;Z)V
 Lcom/android/internal/telephony/dataconnection/DataConnection;->onConnect(Lcom/android/internal/telephony/dataconnection/DataConnection$ConnectionParams;)V
 Lcom/android/internal/telephony/dataconnection/DataConnection;->tearDownData(Ljava/lang/Object;)V
@@ -2916,8 +2915,6 @@
 Lcom/android/internal/telephony/dataconnection/DcTracker;->mResolver:Landroid/content/ContentResolver;
 Lcom/android/internal/telephony/dataconnection/DcTracker;->mState:Lcom/android/internal/telephony/DctConstants$State;
 Lcom/android/internal/telephony/dataconnection/DcTracker;->mSubscriptionManager:Landroid/telephony/SubscriptionManager;
-Lcom/android/internal/telephony/dataconnection/DcTracker;->notifyDataConnection(Ljava/lang/String;)V
-Lcom/android/internal/telephony/dataconnection/DcTracker;->notifyOffApnsOfAvailability(Ljava/lang/String;)V
 Lcom/android/internal/telephony/dataconnection/DcTracker;->onActionIntentDataStallAlarm(Landroid/content/Intent;)V
 Lcom/android/internal/telephony/dataconnection/DcTracker;->onActionIntentProvisioningApnAlarm(Landroid/content/Intent;)V
 Lcom/android/internal/telephony/dataconnection/DcTracker;->onRecordsLoadedOrSubIdChanged()V
@@ -2946,7 +2943,6 @@
 Lcom/android/internal/telephony/DctConstants$State;->FAILED:Lcom/android/internal/telephony/DctConstants$State;
 Lcom/android/internal/telephony/DctConstants$State;->IDLE:Lcom/android/internal/telephony/DctConstants$State;
 Lcom/android/internal/telephony/DctConstants$State;->RETRYING:Lcom/android/internal/telephony/DctConstants$State;
-Lcom/android/internal/telephony/DctConstants$State;->SCANNING:Lcom/android/internal/telephony/DctConstants$State;
 Lcom/android/internal/telephony/DctConstants$State;->values()[Lcom/android/internal/telephony/DctConstants$State;
 Lcom/android/internal/telephony/DefaultPhoneNotifier;->mRegistry:Lcom/android/internal/telephony/ITelephonyRegistry;
 Lcom/android/internal/telephony/DriverCall$State;->ACTIVE:Lcom/android/internal/telephony/DriverCall$State;
@@ -3370,7 +3366,7 @@
 Lcom/android/internal/telephony/ITelephonyRegistry;->listen(Ljava/lang/String;Lcom/android/internal/telephony/IPhoneStateListener;IZ)V
 Lcom/android/internal/telephony/ITelephonyRegistry;->notifyCallState(ILjava/lang/String;)V
 Lcom/android/internal/telephony/ITelephonyRegistry;->notifyCellInfo(Ljava/util/List;)V
-Lcom/android/internal/telephony/ITelephonyRegistry;->notifyDataConnectionFailed(Ljava/lang/String;Ljava/lang/String;)V
+Lcom/android/internal/telephony/ITelephonyRegistry;->notifyDataConnectionFailed(Ljava/lang/String;)V
 Lcom/android/internal/telephony/IWapPushManager$Stub;->asInterface(Landroid/os/IBinder;)Lcom/android/internal/telephony/IWapPushManager;
 Lcom/android/internal/telephony/IWapPushManager;->addPackage(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IZZ)Z
 Lcom/android/internal/telephony/IWapPushManager;->deletePackage(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 1394c35..83e8785 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -1914,6 +1914,30 @@
 
     /**
      * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device supports uicc-
+     * based NFC card emulation.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC =
+                                                                       "android.hardware.nfc.uicc";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device supports eSE-
+     * based NFC card emulation.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE = "android.hardware.nfc.ese";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The Beam API is enabled on the device.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_NFC_BEAM = "android.sofware.nfc.beam";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
      * {@link #hasSystemFeature}: The device supports any
      * one of the {@link #FEATURE_NFC}, {@link #FEATURE_NFC_HOST_CARD_EMULATION},
      * or {@link #FEATURE_NFC_HOST_CARD_EMULATION_NFCF} features.
diff --git a/core/java/android/nfc/INfcCardEmulation.aidl b/core/java/android/nfc/INfcCardEmulation.aidl
index d1b132c..dd2c0d4 100644
--- a/core/java/android/nfc/INfcCardEmulation.aidl
+++ b/core/java/android/nfc/INfcCardEmulation.aidl
@@ -31,6 +31,8 @@
     boolean setDefaultServiceForCategory(int userHandle, in ComponentName service, String category);
     boolean setDefaultForNextTap(int userHandle, in ComponentName service);
     boolean registerAidGroupForService(int userHandle, in ComponentName service, in AidGroup aidGroup);
+    boolean setOffHostForService(int userHandle, in ComponentName service, in String offHostSecureElement);
+    boolean unsetOffHostForService(int userHandle, in ComponentName service);
     AidGroup getAidGroupForService(int userHandle, in ComponentName service, String category);
     boolean removeAidGroupForService(int userHandle, in ComponentName service, String category);
     List<ApduServiceInfo> getServices(int userHandle, in String category);
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index 21fed48..e55e036 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -16,6 +16,7 @@
 
 package android.nfc;
 
+import android.annotation.NonNull;
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
@@ -42,7 +43,9 @@
 import android.util.Log;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 /**
  * Represents the local NFC adapter.
@@ -322,6 +325,7 @@
     // Guarded by NfcAdapter.class
     static boolean sIsInitialized = false;
     static boolean sHasNfcFeature;
+    static boolean sHasBeamFeature;
 
     // Final after first constructor, except for
     // attemptDeadServiceRecovery() when NFC crashes - we accept a best effort
@@ -369,7 +373,9 @@
      * A callback to be invoked when the system successfully delivers your {@link NdefMessage}
      * to another device.
      * @see #setOnNdefPushCompleteCallback
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public interface OnNdefPushCompleteCallback {
         /**
          * Called on successful NDEF push.
@@ -392,7 +398,9 @@
      * content currently visible to the user. Alternatively, you can call {@link
      * #setNdefPushMessage setNdefPushMessage()} if the {@link NdefMessage} always contains the
      * same data.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public interface CreateNdefMessageCallback {
         /**
          * Called to provide a {@link NdefMessage} to push.
@@ -418,7 +426,10 @@
     }
 
 
-    // TODO javadoc
+     /**
+     * @deprecated this feature is deprecated.
+     */
+    @java.lang.Deprecated
     public interface CreateBeamUrisCallback {
         public Uri[] createBeamUris(NfcEvent event);
     }
@@ -446,6 +457,25 @@
         public boolean onUnlockAttempted(Tag tag);
     }
 
+    /**
+     * Helper to check if this device has FEATURE_NFC_BEAM, but without using
+     * a context.
+     * Equivalent to
+     * context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC_BEAM)
+     */
+    private static boolean hasBeamFeature() {
+        IPackageManager pm = ActivityThread.getPackageManager();
+        if (pm == null) {
+            Log.e(TAG, "Cannot get package manager, assuming no Android Beam feature");
+            return false;
+        }
+        try {
+            return pm.hasSystemFeature(PackageManager.FEATURE_NFC_BEAM, 0);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Package manager query failed, assuming no Android Beam feature", e);
+            return false;
+        }
+    }
 
     /**
      * Helper to check if this device has FEATURE_NFC, but without using
@@ -488,6 +518,35 @@
     }
 
     /**
+     * Return list of Secure Elements which support off host card emulation.
+     *
+     * @return List<String> containing secure elements on the device which supports
+     *                      off host card emulation. eSE for Embedded secure element,
+     *                      SIM for UICC and so on.
+     */
+    public @NonNull List<String> getSupportedOffHostSecureElements() {
+        List<String> offHostSE = new ArrayList<String>();
+        IPackageManager pm = ActivityThread.getPackageManager();
+        if (pm == null) {
+            Log.e(TAG, "Cannot get package manager, assuming no off-host CE feature");
+            return offHostSE;
+        }
+        try {
+            if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_UICC, 0)) {
+                offHostSE.add("SIM");
+            }
+            if (pm.hasSystemFeature(PackageManager.FEATURE_NFC_OFF_HOST_CARD_EMULATION_ESE, 0)) {
+                offHostSE.add("eSE");
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "Package manager query failed, assuming no off-host CE feature", e);
+            offHostSE.clear();
+            return offHostSE;
+        }
+        return offHostSE;
+    }
+
+    /**
      * Returns the NfcAdapter for application context,
      * or throws if NFC is not available.
      * @hide
@@ -496,6 +555,7 @@
     public static synchronized NfcAdapter getNfcAdapter(Context context) {
         if (!sIsInitialized) {
             sHasNfcFeature = hasNfcFeature();
+            sHasBeamFeature = hasBeamFeature();
             boolean hasHceFeature = hasNfcHceFeature();
             /* is this device meant to have NFC */
             if (!sHasNfcFeature && !hasHceFeature) {
@@ -921,12 +981,17 @@
      * @param uris an array of Uri(s) to push over Android Beam
      * @param activity activity for which the Uri(s) will be pushed
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public void setBeamPushUris(Uri[] uris, Activity activity) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         if (activity == null) {
             throw new NullPointerException("activity cannot be null");
@@ -1003,12 +1068,17 @@
      * @param callback callback, or null to disable
      * @param activity activity for which the Uri(s) will be pushed
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public void setBeamPushUrisCallback(CreateBeamUrisCallback callback, Activity activity) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         if (activity == null) {
             throw new NullPointerException("activity cannot be null");
@@ -1087,13 +1157,18 @@
      *        to only register one at a time, and to do so in that activity's
      *        {@link Activity#onCreate}
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public void setNdefPushMessage(NdefMessage message, Activity activity,
             Activity ... activities) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         int targetSdkVersion = getSdkVersion();
         try {
@@ -1200,13 +1275,18 @@
      *        to only register one at a time, and to do so in that activity's
      *        {@link Activity#onCreate}
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public void setNdefPushMessageCallback(CreateNdefMessageCallback callback, Activity activity,
             Activity ... activities) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         int targetSdkVersion = getSdkVersion();
         try {
@@ -1281,13 +1361,18 @@
      *        to only register one at a time, and to do so in that activity's
      *        {@link Activity#onCreate}
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public void setOnNdefPushCompleteCallback(OnNdefPushCompleteCallback callback,
             Activity activity, Activity ... activities) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         int targetSdkVersion = getSdkVersion();
         try {
@@ -1492,12 +1577,17 @@
      * @param activity the current foreground Activity that has registered data to share
      * @return whether the Beam animation was successfully invoked
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
     public boolean invokeBeam(Activity activity) {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return false;
+            }
         }
         if (activity == null) {
             throw new NullPointerException("activity may not be null.");
@@ -1561,6 +1651,9 @@
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         if (activity == null || message == null) {
             throw new NullPointerException();
@@ -1595,6 +1688,9 @@
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return;
+            }
         }
         if (activity == null) {
             throw new NullPointerException();
@@ -1668,12 +1764,18 @@
      * @see android.provider.Settings#ACTION_NFCSHARING_SETTINGS
      * @return true if NDEF Push feature is enabled
      * @throws UnsupportedOperationException if FEATURE_NFC is unavailable.
+     * @deprecated this feature is deprecated.
      */
+    @java.lang.Deprecated
+
     public boolean isNdefPushEnabled() {
         synchronized (NfcAdapter.class) {
             if (!sHasNfcFeature) {
                 throw new UnsupportedOperationException();
             }
+            if (!sHasBeamFeature) {
+                return false;
+            }
         }
         try {
             return sService.isNdefPushEnabled();
diff --git a/core/java/android/nfc/cardemulation/ApduServiceInfo.java b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
index e8d801c..911ec84 100644
--- a/core/java/android/nfc/cardemulation/ApduServiceInfo.java
+++ b/core/java/android/nfc/cardemulation/ApduServiceInfo.java
@@ -18,11 +18,10 @@
 
 import android.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
 import android.content.res.Resources.NotFoundException;
 import android.content.res.TypedArray;
@@ -30,7 +29,6 @@
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.ResultReceiver;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Xml;
@@ -69,6 +67,18 @@
     final boolean mOnHost;
 
     /**
+     * Offhost reader name.
+     * eg: SIM, eSE etc
+     */
+    String mOffHostName;
+
+    /**
+     * Offhost reader name from manifest file.
+     * Used for unsetOffHostSecureElement()
+     */
+    final String mStaticOffHostName;
+
+    /**
      * Mapping from category to static AID group
      */
     @UnsupportedAppUsage
@@ -104,15 +114,17 @@
      * @hide
      */
     @UnsupportedAppUsage
-    public ApduServiceInfo(ResolveInfo info, boolean onHost, String description,
+    public ApduServiceInfo(ResolveInfo info, String description,
             ArrayList<AidGroup> staticAidGroups, ArrayList<AidGroup> dynamicAidGroups,
             boolean requiresUnlock, int bannerResource, int uid,
-            String settingsActivityName) {
+            String settingsActivityName, String offHost, String staticOffHost) {
         this.mService = info;
         this.mDescription = description;
         this.mStaticAidGroups = new HashMap<String, AidGroup>();
         this.mDynamicAidGroups = new HashMap<String, AidGroup>();
-        this.mOnHost = onHost;
+        this.mOffHostName = offHost;
+        this.mStaticOffHostName = staticOffHost;
+        this.mOnHost = (offHost == null);
         this.mRequiresDeviceUnlock = requiresUnlock;
         for (AidGroup aidGroup : staticAidGroups) {
             this.mStaticAidGroups.put(aidGroup.category, aidGroup);
@@ -174,6 +186,8 @@
                         com.android.internal.R.styleable.HostApduService_apduServiceBanner, -1);
                 mSettingsActivityName = sa.getString(
                         com.android.internal.R.styleable.HostApduService_settingsActivity);
+                mOffHostName = null;
+                mStaticOffHostName = mOffHostName;
                 sa.recycle();
             } else {
                 TypedArray sa = res.obtainAttributes(attrs,
@@ -186,6 +200,16 @@
                         com.android.internal.R.styleable.OffHostApduService_apduServiceBanner, -1);
                 mSettingsActivityName = sa.getString(
                         com.android.internal.R.styleable.HostApduService_settingsActivity);
+                mOffHostName = sa.getString(
+                        com.android.internal.R.styleable.OffHostApduService_secureElementName);
+                if (mOffHostName != null) {
+                    if (mOffHostName.equals("eSE")) {
+                        mOffHostName = "eSE1";
+                    } else if (mOffHostName.equals("SIM")) {
+                        mOffHostName = "SIM1";
+                    }
+                }
+                mStaticOffHostName = mOffHostName;
                 sa.recycle();
             }
 
@@ -289,6 +313,10 @@
                 mService.serviceInfo.name);
     }
 
+    public String getOffHostSecureElement() {
+        return mOffHostName;
+    }
+
     /**
      * Returns a consolidated list of AIDs from the AID groups
      * registered by this service. Note that if a service has both
@@ -404,6 +432,20 @@
         mDynamicAidGroups.put(aidGroup.getCategory(), aidGroup);
     }
 
+    @UnsupportedAppUsage
+    public void setOffHostSecureElement(String offHost) {
+        mOffHostName = offHost;
+    }
+
+    /**
+     * Resets the off host Secure Element to statically defined
+     * by the service in the manifest file.
+     */
+    @UnsupportedAppUsage
+    public void unsetOffHostSecureElement() {
+        mOffHostName = mStaticOffHostName;
+    }
+
     public CharSequence loadLabel(PackageManager pm) {
         return mService.loadLabel(pm);
     }
@@ -481,6 +523,8 @@
         mService.writeToParcel(dest, flags);
         dest.writeString(mDescription);
         dest.writeInt(mOnHost ? 1 : 0);
+        dest.writeString(mOffHostName);
+        dest.writeString(mStaticOffHostName);
         dest.writeInt(mStaticAidGroups.size());
         if (mStaticAidGroups.size() > 0) {
             dest.writeTypedList(new ArrayList<AidGroup>(mStaticAidGroups.values()));
@@ -503,6 +547,8 @@
             ResolveInfo info = ResolveInfo.CREATOR.createFromParcel(source);
             String description = source.readString();
             boolean onHost = source.readInt() != 0;
+            String offHostName = source.readString();
+            String staticOffHostName = source.readString();
             ArrayList<AidGroup> staticAidGroups = new ArrayList<AidGroup>();
             int numStaticGroups = source.readInt();
             if (numStaticGroups > 0) {
@@ -517,9 +563,9 @@
             int bannerResource = source.readInt();
             int uid = source.readInt();
             String settingsActivityName = source.readString();
-            return new ApduServiceInfo(info, onHost, description, staticAidGroups,
+            return new ApduServiceInfo(info, description, staticAidGroups,
                     dynamicAidGroups, requiresUnlock, bannerResource, uid,
-                    settingsActivityName);
+                    settingsActivityName, offHostName, staticOffHostName);
         }
 
         @Override
@@ -531,6 +577,14 @@
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         pw.println("    " + getComponent() +
                 " (Description: " + getDescription() + ")");
+        if (mOnHost) {
+            pw.println("    On Host Service");
+        } else {
+            pw.println("    Off-host Service");
+            pw.println("        " + "Current off-host SE" + mOffHostName
+                    + " static off-host: " + mOffHostName);
+        }
+        pw.println("    Static off-host Secure Element:");
         pw.println("    Static AID groups:");
         for (AidGroup group : mStaticAidGroups.values()) {
             pw.println("        Category: " + group.category);
diff --git a/core/java/android/nfc/cardemulation/CardEmulation.java b/core/java/android/nfc/cardemulation/CardEmulation.java
index 15d02f2..01932ab 100644
--- a/core/java/android/nfc/cardemulation/CardEmulation.java
+++ b/core/java/android/nfc/cardemulation/CardEmulation.java
@@ -27,7 +27,6 @@
 import android.nfc.INfcCardEmulation;
 import android.nfc.NfcAdapter;
 import android.os.RemoteException;
-import android.os.UserHandle;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
 import android.util.Log;
@@ -345,6 +344,108 @@
     }
 
     /**
+     * Unsets the off-host Secure Element for the given service.
+     *
+     * <p>Note that this will only remove Secure Element that was dynamically
+     * set using the {@link #setOffHostForService(ComponentName, String)}
+     * and resets it to a value that was statically assigned using manifest.
+     *
+     * <p>Note that you can only unset off-host SE for a service that
+     * is running under the same UID as the caller of this API. Typically
+     * this means you need to call this from the same
+     * package as the service itself, though UIDs can also
+     * be shared between packages using shared UIDs.
+     *
+     * @param service The component name of the service
+     * @return whether the registration was successful.
+     */
+    public boolean unsetOffHostForService(ComponentName service) {
+        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mContext);
+        if (adapter == null) {
+            return false;
+        }
+
+        try {
+            return sService.unsetOffHostForService(mContext.getUserId(), service);
+        } catch (RemoteException e) {
+            // Try one more time
+            recoverService();
+            if (sService == null) {
+                Log.e(TAG, "Failed to recover CardEmulationService.");
+                return false;
+            }
+            try {
+                return sService.unsetOffHostForService(mContext.getUserId(), service);
+            } catch (RemoteException ee) {
+                Log.e(TAG, "Failed to reach CardEmulationService.");
+                return false;
+            }
+        }
+    }
+
+    /**
+     * Sets the off-host Secure Element for the given service.
+     *
+     * <p>If off-host SE was initially set (either statically
+     * through the manifest, or dynamically by using this API),
+     * it will be replaced with this one. All AIDs registered by
+     * this service will be re-routed to this Secure Element if
+     * successful.
+     *
+     * <p>Note that you can only set off-host SE for a service that
+     * is running under the same UID as the caller of this API. Typically
+     * this means you need to call this from the same
+     * package as the service itself, though UIDs can also
+     * be shared between packages using shared UIDs.
+     *
+     * <p>Registeration will be successful only if the Secure Element
+     * exists on the device.
+     *
+     * @param service The component name of the service
+     * @param offHostSecureElement Secure Element to register the AID to
+     * @return whether the registration was successful.
+     */
+    public boolean setOffHostForService(ComponentName service, String offHostSecureElement) {
+        boolean validSecureElement = false;
+
+        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mContext);
+        if (adapter == null || offHostSecureElement == null) {
+            return false;
+        }
+
+        List<String> validSE = adapter.getSupportedOffHostSecureElements();
+        if ((offHostSecureElement.startsWith("eSE") && !validSE.contains("eSE"))
+                || (offHostSecureElement.startsWith("SIM") && !validSE.contains("SIM"))) {
+            return false;
+        }
+
+        if (offHostSecureElement.equals("eSE")) {
+            offHostSecureElement = "eSE1";
+        } else if (offHostSecureElement.equals("SIM")) {
+            offHostSecureElement = "SIM1";
+        }
+
+        try {
+            return sService.setOffHostForService(mContext.getUserId(), service,
+                offHostSecureElement);
+        } catch (RemoteException e) {
+            // Try one more time
+            recoverService();
+            if (sService == null) {
+                Log.e(TAG, "Failed to recover CardEmulationService.");
+                return false;
+            }
+            try {
+                return sService.setOffHostForService(mContext.getUserId(), service,
+                        offHostSecureElement);
+            } catch (RemoteException ee) {
+                Log.e(TAG, "Failed to reach CardEmulationService.");
+                return false;
+            }
+        }
+    }
+
+    /**
      * Retrieves the currently registered AIDs for the specified
      * category for a service.
      *
diff --git a/core/java/android/view/AccessibilityIterators.java b/core/java/android/view/AccessibilityIterators.java
index 9f7560c..54cfc00 100644
--- a/core/java/android/view/AccessibilityIterators.java
+++ b/core/java/android/view/AccessibilityIterators.java
@@ -147,6 +147,9 @@
         @Override
         public void onConfigurationChanged(Configuration globalConfig) {
             final Locale locale = globalConfig.getLocales().get(0);
+            if (locale == null) {
+                return;
+            }
             if (!mLocale.equals(locale)) {
                 mLocale = locale;
                 onLocaleChanged(locale);
diff --git a/core/java/android/view/LayoutInflater.java b/core/java/android/view/LayoutInflater.java
index 80a3cf0..7232890 100644
--- a/core/java/android/view/LayoutInflater.java
+++ b/core/java/android/view/LayoutInflater.java
@@ -17,6 +17,7 @@
 package android.view;
 
 import android.annotation.LayoutRes;
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemService;
 import android.annotation.UnsupportedAppUsage;
@@ -774,24 +775,8 @@
             ta.recycle();
         }
 
-        if (name.equals(TAG_1995)) {
-            // Let's party like it's 1995!
-            return new BlinkLayout(context, attrs);
-        }
-
         try {
-            View view;
-            if (mFactory2 != null) {
-                view = mFactory2.onCreateView(parent, name, context, attrs);
-            } else if (mFactory != null) {
-                view = mFactory.onCreateView(name, context, attrs);
-            } else {
-                view = null;
-            }
-
-            if (view == null && mPrivateFactory != null) {
-                view = mPrivateFactory.onCreateView(parent, name, context, attrs);
-            }
+            View view = tryCreateView(parent, name, context, attrs);
 
             if (view == null) {
                 final Object lastContext = mConstructorArgs[0];
@@ -826,6 +811,48 @@
     }
 
     /**
+     * Tries to create a view from a tag name using the supplied attribute set.
+     *
+     * This method gives the factory provided by {@link LayoutInflater#setFactory} and
+     * {@link LayoutInflater#setFactory2} a chance to create a view. However, it does not apply all
+     * of the general view creation logic, and thus may return {@code null} for some tags. This
+     * method is used by {@link LayoutInflater#inflate} in creating {@code View} objects.
+     *
+     * @hide for use by precompiled layouts.
+     *
+     * @param parent the parent view, used to inflate layout params
+     * @param name the name of the XML tag used to define the view
+     * @param context the inflation context for the view, typically the
+     *                {@code parent} or base layout inflater context
+     * @param attrs the attribute set for the XML tag used to define the view
+     */
+    @UnsupportedAppUsage(trackingBug = 122360734)
+    @Nullable
+    public final View tryCreateView(@Nullable View parent, @NonNull String name,
+        @NonNull Context context,
+        @NonNull AttributeSet attrs) {
+        if (name.equals(TAG_1995)) {
+            // Let's party like it's 1995!
+            return new BlinkLayout(context, attrs);
+        }
+
+        View view;
+        if (mFactory2 != null) {
+            view = mFactory2.onCreateView(parent, name, context, attrs);
+        } else if (mFactory != null) {
+            view = mFactory.onCreateView(name, context, attrs);
+        } else {
+            view = null;
+        }
+
+        if (view == null && mPrivateFactory != null) {
+            view = mPrivateFactory.onCreateView(parent, name, context, attrs);
+        }
+
+        return view;
+    }
+
+    /**
      * Recursive method used to inflate internal (non-root) children. This
      * method calls through to {@link #rInflate} using the parent context as
      * the inflation context.
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 21c10ce..b4d74af 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -3690,6 +3690,8 @@
         <!-- Component name of an activity that allows the user to modify
              the settings for this service. -->
         <attr name="settingsActivity"/>
+        <!-- Secure Element which the AIDs should be routed to -->
+        <attr name="secureElementName"/>
     </declare-styleable>
 
     <!-- Specify one or more <code>aid-group</code> elements inside a
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 190e99f..6d10632 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1313,16 +1313,17 @@
         }
     }
 
-    public void notifyDataConnection(int state, boolean isDataAllowed,
-            String reason, String apn, String apnType, LinkProperties linkProperties,
-            NetworkCapabilities networkCapabilities, int networkType, boolean roaming) {
+    public void notifyDataConnection(int state, boolean isDataAllowed, String apn, String apnType,
+                                     LinkProperties linkProperties,
+                                     NetworkCapabilities networkCapabilities, int networkType,
+                                     boolean roaming) {
         notifyDataConnectionForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, state,
-            isDataAllowed,reason, apn, apnType, linkProperties,
-            networkCapabilities, networkType, roaming);
+                isDataAllowed, apn, apnType, linkProperties,
+                networkCapabilities, networkType, roaming);
     }
 
-    public void notifyDataConnectionForSubscriber(int subId, int state,
-            boolean isDataAllowed, String reason, String apn, String apnType,
+    public void notifyDataConnectionForSubscriber(int subId, int state, boolean isDataAllowed,
+                                                  String apn, String apnType,
             LinkProperties linkProperties, NetworkCapabilities networkCapabilities,
             int networkType, boolean roaming) {
         if (!checkNotifyPermission("notifyDataConnection()" )) {
@@ -1331,7 +1332,6 @@
         if (VDBG) {
             log("notifyDataConnectionForSubscriber: subId=" + subId
                 + " state=" + state + " isDataAllowed=" + isDataAllowed
-                + " reason='" + reason
                 + "' apn='" + apn + "' apnType=" + apnType + " networkType=" + networkType
                 + " mRecords.size()=" + mRecords.size());
         }
@@ -1366,7 +1366,7 @@
                     mDataConnectionNetworkType[phoneId] = networkType;
                 }
                 mPreciseDataConnectionState = new PreciseDataConnectionState(state, networkType,
-                        apnType, apn, reason, linkProperties, "");
+                        apnType, apn, linkProperties, "");
                 for (Record r : mRecords) {
                     if (r.matchPhoneStateListenerEvent(
                             PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE)) {
@@ -1381,30 +1381,29 @@
             }
             handleRemoveListLocked();
         }
-        broadcastDataConnectionStateChanged(state, isDataAllowed, reason, apn,
-                apnType, linkProperties, networkCapabilities, roaming, subId);
-        broadcastPreciseDataConnectionStateChanged(state, networkType, apnType, apn, reason,
+        broadcastDataConnectionStateChanged(state, isDataAllowed, apn, apnType, linkProperties,
+                networkCapabilities, roaming, subId);
+        broadcastPreciseDataConnectionStateChanged(state, networkType, apnType, apn,
                 linkProperties, "");
     }
 
-    public void notifyDataConnectionFailed(String reason, String apnType) {
+    public void notifyDataConnectionFailed(String apnType) {
          notifyDataConnectionFailedForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID,
-                 reason, apnType);
+                 apnType);
     }
 
-    public void notifyDataConnectionFailedForSubscriber(int subId,
-            String reason, String apnType) {
+    public void notifyDataConnectionFailedForSubscriber(int subId, String apnType) {
         if (!checkNotifyPermission("notifyDataConnectionFailed()")) {
             return;
         }
         if (VDBG) {
             log("notifyDataConnectionFailedForSubscriber: subId=" + subId
-                + " reason=" + reason + " apnType=" + apnType);
+                    + " apnType=" + apnType);
         }
         synchronized (mRecords) {
             mPreciseDataConnectionState = new PreciseDataConnectionState(
                     TelephonyManager.DATA_UNKNOWN,TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                    apnType, "", reason, null, "");
+                    apnType, "", null, "");
             for (Record r : mRecords) {
                 if (r.matchPhoneStateListenerEvent(
                         PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE)) {
@@ -1417,9 +1416,9 @@
             }
             handleRemoveListLocked();
         }
-        broadcastDataConnectionFailed(reason, apnType, subId);
+        broadcastDataConnectionFailed(apnType, subId);
         broadcastPreciseDataConnectionStateChanged(TelephonyManager.DATA_UNKNOWN,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, "", reason, null, "");
+                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, "", null, "");
     }
 
     public void notifyCellLocation(Bundle cellLocation) {
@@ -1529,15 +1528,14 @@
         }
     }
 
-    public void notifyPreciseDataConnectionFailed(String reason, String apnType,
-            String apn, String failCause) {
+    public void notifyPreciseDataConnectionFailed(String apnType, String apn, String failCause) {
         if (!checkNotifyPermission("notifyPreciseDataConnectionFailed()")) {
             return;
         }
         synchronized (mRecords) {
             mPreciseDataConnectionState = new PreciseDataConnectionState(
                     TelephonyManager.DATA_UNKNOWN, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                    apnType, apn, reason, null, failCause);
+                    apnType, apn, null, failCause);
             for (Record r : mRecords) {
                 if (r.matchPhoneStateListenerEvent(
                         PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE)) {
@@ -1551,7 +1549,7 @@
             handleRemoveListLocked();
         }
         broadcastPreciseDataConnectionStateChanged(TelephonyManager.DATA_UNKNOWN,
-                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, apn, reason, null, failCause);
+                TelephonyManager.NETWORK_TYPE_UNKNOWN, apnType, apn, null, failCause);
     }
 
     @Override
@@ -1882,10 +1880,10 @@
                         android.Manifest.permission.READ_CALL_LOG});
     }
 
-    private void broadcastDataConnectionStateChanged(int state,
-            boolean isDataAllowed,
-            String reason, String apn, String apnType, LinkProperties linkProperties,
-            NetworkCapabilities networkCapabilities, boolean roaming, int subId) {
+    private void broadcastDataConnectionStateChanged(int state, boolean isDataAllowed, String apn,
+                                                     String apnType, LinkProperties linkProperties,
+                                                     NetworkCapabilities networkCapabilities,
+                                                     boolean roaming, int subId) {
         // Note: not reporting to the battery stats service here, because the
         // status bar takes care of that after taking into account all of the
         // required info.
@@ -1895,9 +1893,6 @@
         if (!isDataAllowed) {
             intent.putExtra(PhoneConstants.NETWORK_UNAVAILABLE_KEY, true);
         }
-        if (reason != null) {
-            intent.putExtra(PhoneConstants.STATE_CHANGE_REASON_KEY, reason);
-        }
         if (linkProperties != null) {
             intent.putExtra(PhoneConstants.DATA_LINK_PROPERTIES_KEY, linkProperties);
             String iface = linkProperties.getInterfaceName();
@@ -1916,17 +1911,15 @@
         mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
     }
 
-    private void broadcastDataConnectionFailed(String reason, String apnType,
-            int subId) {
+    private void broadcastDataConnectionFailed(String apnType, int subId) {
         Intent intent = new Intent(TelephonyIntents.ACTION_DATA_CONNECTION_FAILED);
-        intent.putExtra(PhoneConstants.FAILURE_REASON_KEY, reason);
         intent.putExtra(PhoneConstants.DATA_APN_TYPE_KEY, apnType);
         intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, subId);
         mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
     }
 
     private void broadcastPreciseCallStateChanged(int ringingCallState, int foregroundCallState,
-            int backgroundCallState) {
+                                                  int backgroundCallState) {
         Intent intent = new Intent(TelephonyManager.ACTION_PRECISE_CALL_STATE_CHANGED);
         intent.putExtra(TelephonyManager.EXTRA_RINGING_CALL_STATE, ringingCallState);
         intent.putExtra(TelephonyManager.EXTRA_FOREGROUND_CALL_STATE, foregroundCallState);
@@ -1936,16 +1929,16 @@
     }
 
     private void broadcastPreciseDataConnectionStateChanged(int state, int networkType,
-            String apnType, String apn, String reason, LinkProperties linkProperties,
-            String failCause) {
+                                                            String apnType, String apn,
+                                                            LinkProperties linkProperties,
+                                                            String failCause) {
         Intent intent = new Intent(TelephonyManager.ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED);
         intent.putExtra(PhoneConstants.STATE_KEY, state);
         intent.putExtra(PhoneConstants.DATA_NETWORK_TYPE_KEY, networkType);
-        if (reason != null) intent.putExtra(PhoneConstants.STATE_CHANGE_REASON_KEY, reason);
         if (apnType != null) intent.putExtra(PhoneConstants.DATA_APN_TYPE_KEY, apnType);
         if (apn != null) intent.putExtra(PhoneConstants.DATA_APN_KEY, apn);
         if (linkProperties != null) {
-            intent.putExtra(PhoneConstants.DATA_LINK_PROPERTIES_KEY,linkProperties);
+            intent.putExtra(PhoneConstants.DATA_LINK_PROPERTIES_KEY, linkProperties);
         }
         if (failCause != null) intent.putExtra(PhoneConstants.DATA_FAILURE_CAUSE_KEY, failCause);
 
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 9fa42ab..e539ffd 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -270,14 +270,12 @@
  * enforcement.
  *
  * <p>
- * This class uses 2-3 locks to synchronize state:
+ * This class uses 2 locks to synchronize state:
  * <ul>
  * <li>{@code mUidRulesFirstLock}: used to guard state related to individual UIDs (such as firewall
  * rules).
  * <li>{@code mNetworkPoliciesSecondLock}: used to guard state related to network interfaces (such
  * as network policies).
- * <li>{@code allLocks}: not a "real" lock, but an indication (through @GuardedBy) that all locks
- * must be held.
  * </ul>
  *
  * <p>
@@ -419,7 +417,8 @@
     final Object mUidRulesFirstLock = new Object();
     final Object mNetworkPoliciesSecondLock = new Object();
 
-    @GuardedBy("allLocks") volatile boolean mSystemReady;
+    @GuardedBy({"mUidRulesFirstLock", "mNetworkPoliciesSecondLock"})
+    volatile boolean mSystemReady;
 
     @GuardedBy("mUidRulesFirstLock") volatile boolean mRestrictBackground;
     @GuardedBy("mUidRulesFirstLock") volatile boolean mRestrictPower;
@@ -545,7 +544,7 @@
 
     private final ServiceThread mUidEventThread;
 
-    @GuardedBy("allLocks")
+    @GuardedBy({"mUidRulesFirstLock", "mNetworkPoliciesSecondLock"})
     private final AtomicFile mPolicyFile;
 
     private final AppOpsManager mAppOps;
diff --git a/startop/view_compiler/Android.bp b/startop/view_compiler/Android.bp
index 91cec554..82056e9 100644
--- a/startop/view_compiler/Android.bp
+++ b/startop/view_compiler/Android.bp
@@ -34,6 +34,7 @@
     defaults: ["viewcompiler_defaults"],
     srcs: [
         "dex_builder.cc",
+        "dex_layout_compiler.cc",
         "java_lang_builder.cc",
         "tinyxml_layout_parser.cc",
         "util.cc",
diff --git a/startop/view_compiler/dex_builder_test/Android.bp b/startop/view_compiler/dex_builder_test/Android.bp
index 4449ea0..d4f38ed 100644
--- a/startop/view_compiler/dex_builder_test/Android.bp
+++ b/startop/view_compiler/dex_builder_test/Android.bp
@@ -14,16 +14,30 @@
 // limitations under the License.
 //
 
+genrule {
+    name: "generate_compiled_layout",
+    tools: [":viewcompiler"],
+    cmd: "$(location :viewcompiler) $(in) --dex --out $(out) --package android.startop.test",
+    srcs: ["res/layout/layout1.xml"],
+    out: [
+        "layout1.dex",
+    ],
+}
+
 android_test {
     name: "dex-builder-test",
-    srcs: ["src/android/startop/test/DexBuilderTest.java"],
+    srcs: [
+        "src/android/startop/test/DexBuilderTest.java",
+        "src/android/startop/test/LayoutCompilerTest.java",
+    ],
     sdk_version: "current",
-    data: [":generate_dex_testcases"],
+    data: [":generate_dex_testcases", ":generate_compiled_layout"],
     static_libs: [
         "android-support-test",
         "guava",
     ],
     manifest: "AndroidManifest.xml",
+    resource_dirs: ["res"],
     test_config: "AndroidTest.xml",
     test_suites: ["general-tests"],
 }
diff --git a/startop/view_compiler/dex_builder_test/AndroidTest.xml b/startop/view_compiler/dex_builder_test/AndroidTest.xml
index 6f90cf3..68d8fdc 100644
--- a/startop/view_compiler/dex_builder_test/AndroidTest.xml
+++ b/startop/view_compiler/dex_builder_test/AndroidTest.xml
@@ -25,6 +25,7 @@
         <option name="cleanup" value="true" />
         <option name="push" value="trivial.dex->/data/local/tmp/dex-builder-test/trivial.dex" />
         <option name="push" value="simple.dex->/data/local/tmp/dex-builder-test/simple.dex" />
+        <option name="push" value="layout1.dex->/data/local/tmp/dex-builder-test/layout1.dex" />
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
diff --git a/startop/view_compiler/dex_builder_test/res/layout/layout1.xml b/startop/view_compiler/dex_builder_test/res/layout/layout1.xml
new file mode 100644
index 0000000..0f9375c
--- /dev/null
+++ b/startop/view_compiler/dex_builder_test/res/layout/layout1.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+   android:layout_width="match_parent"
+   android:layout_height="match_parent"
+   android:paddingLeft="16dp"
+   android:paddingRight="16dp"
+   android:orientation="vertical"
+   android:gravity="center">
+
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+ </LinearLayout>
diff --git a/startop/view_compiler/dex_builder_test/src/android/startop/test/LayoutCompilerTest.java b/startop/view_compiler/dex_builder_test/src/android/startop/test/LayoutCompilerTest.java
new file mode 100644
index 0000000..ce3ce83
--- /dev/null
+++ b/startop/view_compiler/dex_builder_test/src/android/startop/test/LayoutCompilerTest.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package android.startop.test;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.view.View;
+import com.google.common.io.ByteStreams;
+import dalvik.system.InMemoryDexClassLoader;
+import dalvik.system.PathClassLoader;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.nio.ByteBuffer;
+import org.junit.Assert;
+import org.junit.Test;
+
+// Adding tests here requires changes in several other places. See README.md in
+// the view_compiler directory for more information.
+public class LayoutCompilerTest {
+    static ClassLoader loadDexFile(String filename) throws Exception {
+        return new PathClassLoader("/data/local/tmp/dex-builder-test/" + filename,
+                ClassLoader.getSystemClassLoader());
+    }
+
+    @Test
+    public void loadAndInflaterLayout1() throws Exception {
+        ClassLoader dex_file = loadDexFile("layout1.dex");
+        Class compiled_view = dex_file.loadClass("android.startop.test.CompiledView");
+        Method layout1 = compiled_view.getMethod("layout1", Context.class, int.class);
+        Context context = InstrumentationRegistry.getTargetContext();
+        layout1.invoke(null, context, R.layout.layout1);
+    }
+}
diff --git a/startop/view_compiler/dex_layout_compiler.cc b/startop/view_compiler/dex_layout_compiler.cc
new file mode 100644
index 0000000..c68793d
--- /dev/null
+++ b/startop/view_compiler/dex_layout_compiler.cc
@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dex_layout_compiler.h"
+#include "layout_validation.h"
+
+#include "android-base/stringprintf.h"
+
+namespace startop {
+
+using android::base::StringPrintf;
+
+void LayoutValidationVisitor::VisitStartTag(const std::u16string& name) {
+  if (0 == name.compare(u"merge")) {
+    message_ = "Merge tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"include")) {
+    message_ = "Include tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"view")) {
+    message_ = "View tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"fragment")) {
+    message_ = "Fragment tags are not supported";
+    can_compile_ = false;
+  }
+}
+
+DexViewBuilder::DexViewBuilder(dex::MethodBuilder* method)
+    : method_{method},
+      context_{dex::Value::Parameter(0)},
+      resid_{dex::Value::Parameter(1)},
+      inflater_{method->MakeRegister()},
+      xml_{method->MakeRegister()},
+      attrs_{method->MakeRegister()},
+      classname_tmp_{method->MakeRegister()},
+      xml_next_{method->dex_file()->GetOrDeclareMethod(
+          dex::TypeDescriptor::FromClassname("android.content.res.XmlResourceParser"), "next",
+          dex::Prototype{dex::TypeDescriptor::Int()})},
+      try_create_view_{method->dex_file()->GetOrDeclareMethod(
+          dex::TypeDescriptor::FromClassname("android.view.LayoutInflater"), "tryCreateView",
+          dex::Prototype{dex::TypeDescriptor::FromClassname("android.view.View"),
+                         dex::TypeDescriptor::FromClassname("android.view.View"),
+                         dex::TypeDescriptor::FromClassname("java.lang.String"),
+                         dex::TypeDescriptor::FromClassname("android.content.Context"),
+                         dex::TypeDescriptor::FromClassname("android.util.AttributeSet")})},
+      generate_layout_params_{method->dex_file()->GetOrDeclareMethod(
+          dex::TypeDescriptor::FromClassname("android.view.ViewGroup"), "generateLayoutParams",
+          dex::Prototype{dex::TypeDescriptor::FromClassname("android.view.ViewGroup$LayoutParams"),
+                         dex::TypeDescriptor::FromClassname("android.util.AttributeSet")})},
+      add_view_{method->dex_file()->GetOrDeclareMethod(
+          dex::TypeDescriptor::FromClassname("android.view.ViewGroup"), "addView",
+          dex::Prototype{
+              dex::TypeDescriptor::Void(),
+              dex::TypeDescriptor::FromClassname("android.view.View"),
+              dex::TypeDescriptor::FromClassname("android.view.ViewGroup$LayoutParams")})},
+      // The register stack starts with one register, which will be null for the root view.
+      register_stack_{{method->MakeRegister()}} {}
+
+void DexViewBuilder::Start() {
+  dex::DexBuilder* const dex = method_->dex_file();
+
+  // LayoutInflater inflater = LayoutInflater.from(context);
+  auto layout_inflater_from = dex->GetOrDeclareMethod(
+      dex::TypeDescriptor::FromClassname("android.view.LayoutInflater"),
+      "from",
+      dex::Prototype{dex::TypeDescriptor::FromClassname("android.view.LayoutInflater"),
+                     dex::TypeDescriptor::FromClassname("android.content.Context")});
+  method_->AddInstruction(
+      dex::Instruction::InvokeStaticObject(layout_inflater_from.id, /*dest=*/inflater_, context_));
+
+  // Resources res = context.getResources();
+  auto context_type = dex::TypeDescriptor::FromClassname("android.content.Context");
+  auto resources_type = dex::TypeDescriptor::FromClassname("android.content.res.Resources");
+  auto get_resources =
+      dex->GetOrDeclareMethod(context_type, "getResources", dex::Prototype{resources_type});
+  method_->AddInstruction(dex::Instruction::InvokeVirtualObject(get_resources.id, xml_, context_));
+
+  // XmlResourceParser xml = res.getLayout(resid);
+  auto xml_resource_parser_type =
+      dex::TypeDescriptor::FromClassname("android.content.res.XmlResourceParser");
+  auto get_layout =
+      dex->GetOrDeclareMethod(resources_type,
+                              "getLayout",
+                              dex::Prototype{xml_resource_parser_type, dex::TypeDescriptor::Int()});
+  method_->AddInstruction(dex::Instruction::InvokeVirtualObject(get_layout.id, xml_, xml_, resid_));
+
+  // AttributeSet attrs = Xml.asAttributeSet(xml);
+  auto as_attribute_set = dex->GetOrDeclareMethod(
+      dex::TypeDescriptor::FromClassname("android.util.Xml"),
+      "asAttributeSet",
+      dex::Prototype{dex::TypeDescriptor::FromClassname("android.util.AttributeSet"),
+                     dex::TypeDescriptor::FromClassname("org.xmlpull.v1.XmlPullParser")});
+  method_->AddInstruction(dex::Instruction::InvokeStaticObject(as_attribute_set.id, attrs_, xml_));
+
+  // xml.next(); // start document
+  method_->AddInstruction(dex::Instruction::InvokeInterface(xml_next_.id, {}, xml_));
+}
+
+void DexViewBuilder::Finish() {}
+
+namespace {
+std::string ResolveName(const std::string& name) {
+  if (name == "View") return "android.view.View";
+  if (name == "ViewGroup") return "android.view.ViewGroup";
+  if (name.find(".") == std::string::npos) {
+    return StringPrintf("android.widget.%s", name.c_str());
+  }
+  return name;
+}
+}  // namespace
+
+void DexViewBuilder::StartView(const std::string& name, bool is_viewgroup) {
+  bool const is_root_view = view_stack_.empty();
+
+  // xml.next(); // start tag
+  method_->AddInstruction(dex::Instruction::InvokeInterface(xml_next_.id, {}, xml_));
+
+  dex::Value view = AcquireRegister();
+  // try to create the view using the factories
+  method_->BuildConstString(classname_tmp_,
+                            name);  // TODO: the need to fully qualify the classname
+  if (is_root_view) {
+    dex::Value null = AcquireRegister();
+    method_->BuildConst4(null, 0);
+    method_->AddInstruction(dex::Instruction::InvokeVirtualObject(
+        try_create_view_.id, view, inflater_, null, classname_tmp_, context_, attrs_));
+    ReleaseRegister();
+  } else {
+    method_->AddInstruction(dex::Instruction::InvokeVirtualObject(
+        try_create_view_.id, view, inflater_, GetCurrentView(), classname_tmp_, context_, attrs_));
+  }
+  auto label = method_->MakeLabel();
+  // branch if not null
+  method_->AddInstruction(
+      dex::Instruction::OpWithArgs(dex::Instruction::Op::kBranchNEqz, /*dest=*/{}, view, label));
+
+  // If null, create the class directly.
+  method_->BuildNew(view,
+                    dex::TypeDescriptor::FromClassname(ResolveName(name)),
+                    dex::Prototype{dex::TypeDescriptor::Void(),
+                                   dex::TypeDescriptor::FromClassname("android.content.Context"),
+                                   dex::TypeDescriptor::FromClassname("android.util.AttributeSet")},
+                    context_,
+                    attrs_);
+
+  method_->AddInstruction(
+      dex::Instruction::OpWithArgs(dex::Instruction::Op::kBindLabel, /*dest=*/{}, label));
+
+  if (is_viewgroup) {
+    // Cast to a ViewGroup so we can add children later.
+    const ir::Type* view_group_def = method_->dex_file()->GetOrAddType(
+        dex::TypeDescriptor::FromClassname("android.view.ViewGroup").descriptor());
+    method_->AddInstruction(dex::Instruction::Cast(view, dex::Value::Type(view_group_def->orig_index)));
+  }
+
+  if (!is_root_view) {
+    // layout_params = parent.generateLayoutParams(attrs);
+    dex::Value layout_params{AcquireRegister()};
+    method_->AddInstruction(dex::Instruction::InvokeVirtualObject(
+        generate_layout_params_.id, layout_params, GetCurrentView(), attrs_));
+    view_stack_.push_back({view, layout_params});
+  } else {
+    view_stack_.push_back({view, {}});
+  }
+}
+
+void DexViewBuilder::FinishView() {
+  if (view_stack_.size() == 1) {
+    method_->BuildReturn(GetCurrentView(), /*is_object=*/true);
+  } else {
+    // parent.add(view, layout_params)
+    method_->AddInstruction(dex::Instruction::InvokeVirtual(
+        add_view_.id, /*dest=*/{}, GetParentView(), GetCurrentView(), GetCurrentLayoutParams()));
+    // xml.next(); // end tag
+    method_->AddInstruction(dex::Instruction::InvokeInterface(xml_next_.id, {}, xml_));
+  }
+  PopViewStack();
+}
+
+dex::Value DexViewBuilder::AcquireRegister() {
+  top_register_++;
+  if (register_stack_.size() == top_register_) {
+    register_stack_.push_back(method_->MakeRegister());
+  }
+  return register_stack_[top_register_];
+}
+
+void DexViewBuilder::ReleaseRegister() { top_register_--; }
+
+dex::Value DexViewBuilder::GetCurrentView() const { return view_stack_.back().view; }
+dex::Value DexViewBuilder::GetCurrentLayoutParams() const {
+  return view_stack_.back().layout_params.value();
+}
+dex::Value DexViewBuilder::GetParentView() const {
+  return view_stack_[view_stack_.size() - 2].view;
+}
+
+void DexViewBuilder::PopViewStack() {
+  const auto& top = view_stack_.back();
+  // release the layout params if we have them
+  if (top.layout_params.has_value()) {
+    ReleaseRegister();
+  }
+  // Unconditionally release the view register.
+  ReleaseRegister();
+  view_stack_.pop_back();
+}
+
+}  // namespace startop
\ No newline at end of file
diff --git a/startop/view_compiler/dex_layout_compiler.h b/startop/view_compiler/dex_layout_compiler.h
new file mode 100644
index 0000000..170a1a6
--- /dev/null
+++ b/startop/view_compiler/dex_layout_compiler.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#ifndef DEX_LAYOUT_COMPILER_H_
+#define DEX_LAYOUT_COMPILER_H_
+
+#include "dex_builder.h"
+
+#include <codecvt>
+#include <locale>
+#include <string>
+#include <vector>
+
+namespace startop {
+
+// This visitor does the actual view compilation, using a supplied builder.
+template <typename Builder>
+class LayoutCompilerVisitor {
+ public:
+  explicit LayoutCompilerVisitor(Builder* builder) : builder_{builder} {}
+
+  void VisitStartDocument() { builder_->Start(); }
+  void VisitEndDocument() { builder_->Finish(); }
+  void VisitStartTag(const std::u16string& name) {
+    parent_stack_.push_back(ViewEntry{
+        std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>{}.to_bytes(name), {}});
+  }
+  void VisitEndTag() {
+    auto entry = parent_stack_.back();
+    parent_stack_.pop_back();
+
+    if (parent_stack_.empty()) {
+      GenerateCode(entry);
+    } else {
+      parent_stack_.back().children.push_back(entry);
+    }
+  }
+
+ private:
+  struct ViewEntry {
+    std::string name;
+    std::vector<ViewEntry> children;
+  };
+
+  void GenerateCode(const ViewEntry& view) {
+    builder_->StartView(view.name, !view.children.empty());
+    for (const auto& child : view.children) {
+      GenerateCode(child);
+    }
+    builder_->FinishView();
+  }
+
+  Builder* builder_;
+
+  std::vector<ViewEntry> parent_stack_;
+};
+
+class DexViewBuilder {
+ public:
+  DexViewBuilder(dex::MethodBuilder* method);
+
+  void Start();
+  void Finish();
+  void StartView(const std::string& name, bool is_viewgroup);
+  void FinishView();
+
+ private:
+  // Accessors for the stack of views that are under construction.
+  dex::Value AcquireRegister();
+  void ReleaseRegister();
+  dex::Value GetCurrentView() const;
+  dex::Value GetCurrentLayoutParams() const;
+  dex::Value GetParentView() const;
+  void PopViewStack();
+
+  dex::MethodBuilder* method_;
+
+  // Registers used for code generation
+  dex::Value const context_;
+  dex::Value const resid_;
+  const dex::Value inflater_;
+  const dex::Value xml_;
+  const dex::Value attrs_;
+  const dex::Value classname_tmp_;
+
+  const dex::MethodDeclData xml_next_;
+  const dex::MethodDeclData try_create_view_;
+  const dex::MethodDeclData generate_layout_params_;
+  const dex::MethodDeclData add_view_;
+
+  // used for keeping track of which registers are in use
+  size_t top_register_{0};
+  std::vector<dex::Value> register_stack_;
+
+  // Keep track of the views currently in progress.
+  struct ViewEntry {
+    dex::Value view;
+    std::optional<dex::Value> layout_params;
+  };
+  std::vector<ViewEntry> view_stack_;
+};
+
+}  // namespace startop
+
+#endif  // DEX_LAYOUT_COMPILER_H_
diff --git a/startop/view_compiler/java_lang_builder.cc b/startop/view_compiler/java_lang_builder.cc
index 0b8754f..920caee 100644
--- a/startop/view_compiler/java_lang_builder.cc
+++ b/startop/view_compiler/java_lang_builder.cc
@@ -67,7 +67,7 @@
           "}\n";     // end CompiledView
 }
 
-void JavaLangViewBuilder::StartView(const string& class_name) {
+void JavaLangViewBuilder::StartView(const string& class_name, bool /*is_viewgroup*/) {
   const string view_var = MakeVar("view");
   const string layout_var = MakeVar("layout");
   std::string parent = "null";
diff --git a/startop/view_compiler/java_lang_builder.h b/startop/view_compiler/java_lang_builder.h
index c8d20b2..69356d3 100644
--- a/startop/view_compiler/java_lang_builder.h
+++ b/startop/view_compiler/java_lang_builder.h
@@ -35,7 +35,7 @@
   void Finish() const;
 
   // Begin creating a view (i.e. process the opening tag)
-  void StartView(const std::string& class_name);
+  void StartView(const std::string& class_name, bool is_viewgroup);
   // Finish a view, after all of its child nodes have been processed.
   void FinishView();
 
diff --git a/startop/view_compiler/main.cc b/startop/view_compiler/main.cc
index 609bcf3..ae00187 100644
--- a/startop/view_compiler/main.cc
+++ b/startop/view_compiler/main.cc
@@ -16,8 +16,11 @@
 
 #include "gflags/gflags.h"
 
+#include "android-base/stringprintf.h"
 #include "dex_builder.h"
+#include "dex_layout_compiler.h"
 #include "java_lang_builder.h"
+#include "layout_validation.h"
 #include "tinyxml_layout_parser.h"
 #include "util.h"
 
@@ -32,6 +35,12 @@
 namespace {
 
 using namespace tinyxml2;
+using android::base::StringPrintf;
+using startop::dex::ClassBuilder;
+using startop::dex::DexBuilder;
+using startop::dex::MethodBuilder;
+using startop::dex::Prototype;
+using startop::dex::TypeDescriptor;
 using namespace startop::util;
 using std::string;
 
@@ -41,34 +50,44 @@
 DEFINE_string(out, kStdoutFilename, "Where to write the generated class");
 DEFINE_string(package, "", "The package name for the generated class (required)");
 
-class ViewCompilerXmlVisitor : public XMLVisitor {
+template <typename Visitor>
+class XmlVisitorAdapter : public XMLVisitor {
  public:
-  explicit ViewCompilerXmlVisitor(JavaLangViewBuilder* builder) : builder_(builder) {}
+  explicit XmlVisitorAdapter(Visitor* visitor) : visitor_{visitor} {}
 
   bool VisitEnter(const XMLDocument& /*doc*/) override {
-    builder_->Start();
+    visitor_->VisitStartDocument();
     return true;
   }
 
   bool VisitExit(const XMLDocument& /*doc*/) override {
-    builder_->Finish();
+    visitor_->VisitEndDocument();
     return true;
   }
 
   bool VisitEnter(const XMLElement& element, const XMLAttribute* /*firstAttribute*/) override {
-    builder_->StartView(element.Name());
+    visitor_->VisitStartTag(
+        std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>{}.from_bytes(
+            element.Name()));
     return true;
   }
 
   bool VisitExit(const XMLElement& /*element*/) override {
-    builder_->FinishView();
+    visitor_->VisitEndTag();
     return true;
   }
 
  private:
-  JavaLangViewBuilder* builder_;
+  Visitor* visitor_;
 };
 
+template <typename Builder>
+void CompileLayout(XMLDocument* xml, Builder* builder) {
+  startop::LayoutCompilerVisitor visitor{builder};
+  XmlVisitorAdapter<decltype(visitor)> adapter{&visitor};
+  xml->Accept(&adapter);
+}
+
 }  // end namespace
 
 int main(int argc, char** argv) {
@@ -88,16 +107,8 @@
     return 1;
   }
 
-  if (FLAGS_dex) {
-    startop::dex::WriteTestDexFile("test.dex");
-    return 0;
-  }
-
   const char* const filename = argv[kFileNameParam];
-  const string layout_name = FindLayoutNameFromFilename(filename);
-
-  // We want to generate Java language code to inflate exactly this layout. This means
-  // generating code to walk the resource XML too.
+  const string layout_name = startop::util::FindLayoutNameFromFilename(filename);
 
   XMLDocument xml;
   xml.LoadFile(filename);
@@ -108,15 +119,34 @@
     return 1;
   }
 
+  const bool is_stdout = FLAGS_out == kStdoutFilename;
+
   std::ofstream outfile;
-  if (FLAGS_out != kStdoutFilename) {
+  if (!is_stdout) {
     outfile.open(FLAGS_out);
   }
-  JavaLangViewBuilder builder{
-      FLAGS_package, layout_name, FLAGS_out == kStdoutFilename ? std::cout : outfile};
 
-  ViewCompilerXmlVisitor visitor{&builder};
-  xml.Accept(&visitor);
+  if (FLAGS_dex) {
+    DexBuilder dex_file;
+    string class_name = StringPrintf("%s.CompiledView", FLAGS_package.c_str());
+    ClassBuilder compiled_view{dex_file.MakeClass(class_name)};
+    MethodBuilder method{compiled_view.CreateMethod(
+        layout_name,
+        Prototype{TypeDescriptor::FromClassname("android.view.View"),
+                  TypeDescriptor::FromClassname("android.content.Context"),
+                  TypeDescriptor::Int()})};
+    startop::DexViewBuilder builder{&method};
+    CompileLayout(&xml, &builder);
+    method.Encode();
 
+    slicer::MemView image{dex_file.CreateImage()};
+
+    (is_stdout ? std::cout : outfile).write(image.ptr<const char>(), image.size());
+  } else {
+    // Generate Java language output.
+    JavaLangViewBuilder builder{FLAGS_package, layout_name, is_stdout ? std::cout : outfile};
+
+    CompileLayout(&xml, &builder);
+  }
   return 0;
 }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 4561ea3..89b646f 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -2242,7 +2242,7 @@
      * e.g.) To use RSCP by default, set the value to "rscp". The signal strength level will
      * then be determined by #KEY_WCDMA_RSCP_THRESHOLDS_INT_ARRAY
      * <p>
-     * Currently this only supports the value "rscp"
+     * Currently this supports the value "rscp" and "rssi".
      * @hide
      */
     // FIXME: this key and related keys must not be exposed without a consistent philosophy for
@@ -2690,7 +2690,7 @@
                         -95, /* SIGNAL_STRENGTH_GOOD */
                         -85  /* SIGNAL_STRENGTH_GREAT */
                 });
-        sDefaults.putString(KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING, "");
+        sDefaults.putString(KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING, "rssi");
         sDefaults.putBoolean(KEY_CONFIG_SHOW_ORIG_DIAL_STRING_FOR_CDMA_BOOL, false);
         sDefaults.putBoolean(KEY_SHOW_CALL_BLOCKING_DISABLED_NOTIFICATION_ALWAYS_BOOL, false);
         sDefaults.putBoolean(KEY_CALL_FORWARDING_OVER_UT_WARNING_BOOL, false);
diff --git a/telephony/java/android/telephony/CellSignalStrength.java b/telephony/java/android/telephony/CellSignalStrength.java
index a18275f..7d07a73 100644
--- a/telephony/java/android/telephony/CellSignalStrength.java
+++ b/telephony/java/android/telephony/CellSignalStrength.java
@@ -42,6 +42,9 @@
     public static final int NUM_SIGNAL_STRENGTH_BINS = 5;
 
     /** @hide */
+    protected static final int NUM_SIGNAL_STRENGTH_THRESHOLDS = NUM_SIGNAL_STRENGTH_BINS - 1;
+
+    /** @hide */
     public static final String[] SIGNAL_STRENGTH_NAMES = {
         "none", "poor", "moderate", "good", "great"
     };
diff --git a/telephony/java/android/telephony/CellSignalStrengthWcdma.java b/telephony/java/android/telephony/CellSignalStrengthWcdma.java
index 88f6fbc..0760407 100644
--- a/telephony/java/android/telephony/CellSignalStrengthWcdma.java
+++ b/telephony/java/android/telephony/CellSignalStrengthWcdma.java
@@ -21,6 +21,7 @@
 import android.os.Parcelable;
 import android.os.PersistableBundle;
 import android.telephony.Rlog;
+import android.text.TextUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -41,8 +42,18 @@
     private static final int WCDMA_RSSI_POOR = -107;
     private static final int WCDMA_RSSI_MIN = -113;
 
-    private static final int WCDMA_RSCP_MIN = -120;
+    private static final int[] sRssiThresholds = new int[]{
+            WCDMA_RSSI_POOR, WCDMA_RSSI_MODERATE, WCDMA_RSSI_GOOD, WCDMA_RSSI_GREAT};
+
     private static final int WCDMA_RSCP_MAX = -24;
+    private static final int WCDMA_RSCP_GREAT = -85;
+    private static final int WCDMA_RSCP_GOOD = -95;
+    private static final int WCDMA_RSCP_MODERATE = -105;
+    private static final int WCDMA_RSCP_POOR = -115;
+    private static final int WCDMA_RSCP_MIN = -120;
+
+    private static final int[] sRscpThresholds = new int[] {
+            WCDMA_RSCP_POOR, WCDMA_RSCP_MODERATE, WCDMA_RSCP_GOOD, WCDMA_RSCP_GREAT};
 
     // TODO: Because these are used as values in CarrierConfig, they should be exposed somehow.
     /** @hide */
@@ -54,6 +65,9 @@
     /** @hide */
     public static final String LEVEL_CALCULATION_METHOD_RSCP = "rscp";
 
+    // Default to RSSI for backwards compatibility with older devices
+    private static final String sLevelCalculationMethod = LEVEL_CALCULATION_METHOD_RSSI;
+
     private int mRssi; // in dBm [-113, 51] or CellInfo.UNAVAILABLE if unknown
     private int mBitErrorRate; // bit error rate (0-7, 99) as defined in TS 27.007 8.5 or
                                // CellInfo.UNAVAILABLE if unknown
@@ -121,10 +135,6 @@
         mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
     }
 
-    private static final String sLevelCalculationMethod = LEVEL_CALCULATION_METHOD_RSSI;
-    private static final int[] sThresholds = new int[]{
-            WCDMA_RSSI_POOR, WCDMA_RSSI_GOOD, WCDMA_RSSI_GOOD, WCDMA_RSSI_GREAT};
-
     /**
      * Retrieve an abstract level value for the overall signal strength.
      *
@@ -140,41 +150,46 @@
     @Override
     public void updateLevel(PersistableBundle cc, ServiceState ss) {
         String calcMethod;
-        int[] thresholds;
+        int[] rscpThresholds;
 
         if (cc == null) {
             calcMethod = sLevelCalculationMethod;
-            thresholds = sThresholds;
+            rscpThresholds = sRscpThresholds;
         } else {
             // TODO: abstract this entire thing into a series of functions
             calcMethod = cc.getString(
                     CarrierConfigManager.KEY_WCDMA_DEFAULT_SIGNAL_STRENGTH_MEASUREMENT_STRING,
                     sLevelCalculationMethod);
-            thresholds = cc.getIntArray(
+            if (TextUtils.isEmpty(calcMethod)) calcMethod = sLevelCalculationMethod;
+            rscpThresholds = cc.getIntArray(
                     CarrierConfigManager.KEY_WCDMA_RSCP_THRESHOLDS_INT_ARRAY);
-            if (thresholds == null) thresholds = sThresholds;
+            if (rscpThresholds == null || rscpThresholds.length != NUM_SIGNAL_STRENGTH_THRESHOLDS) {
+                rscpThresholds = sRscpThresholds;
+            }
         }
 
-        int level = thresholds.length;
+        int level = NUM_SIGNAL_STRENGTH_THRESHOLDS;
         switch (calcMethod) {
             case LEVEL_CALCULATION_METHOD_RSCP:
                 if (mRscp < WCDMA_RSCP_MIN || mRscp > WCDMA_RSCP_MAX) {
                     mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
                     return;
                 }
-                while (level > 0 && mRscp < thresholds[level - 1]) level--;
+                while (level > 0 && mRscp < rscpThresholds[level - 1]) level--;
                 mLevel = level;
                 return;
+            default:
+                loge("Invalid Level Calculation Method for CellSignalStrengthWcdma = "
+                        + calcMethod);
+                /** fall through */
             case LEVEL_CALCULATION_METHOD_RSSI:
                 if (mRssi < WCDMA_RSSI_MIN || mRssi > WCDMA_RSSI_MAX) {
                     mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
                     return;
                 }
-                while (level > 0 && mRssi < thresholds[level - 1]) level--;
+                while (level > 0 && mRssi < sRssiThresholds[level - 1]) level--;
                 mLevel = level;
                 return;
-            default:
-                mLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
         }
     }
 
@@ -204,7 +219,7 @@
     }
 
     /**
-     * Get the signal strength as dBm
+     * Get the RSSI as dBm
      *
      * @hide
      */
@@ -214,12 +229,32 @@
 
     /**
      * Get the RSCP as dBm
+     *
      * @hide
      */
     public int getRscp() {
         return mRscp;
     }
 
+    /**
+     * Get the Ec/No as dB
+     *
+     * @hide
+     */
+    public int getEcNo() {
+        return mEcNo;
+    }
+
+    /**
+     * Return the Bit Error Rate
+     *
+     * @returns the bit error rate (0-7, 99) as defined in TS 27.007 8.5 or UNAVAILABLE.
+     * @hide
+     */
+    public int getBitErrorRate() {
+        return mBitErrorRate;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(mRssi, mBitErrorRate, mRscp, mEcNo, mLevel);
@@ -304,9 +339,16 @@
     };
 
     /**
-     * log
+     * log warning
      */
     private static void log(String s) {
         Rlog.w(LOG_TAG, s);
     }
+
+    /**
+     * log error
+     */
+    private static void loge(String s) {
+        Rlog.e(LOG_TAG, s);
+    }
 }
diff --git a/telephony/java/android/telephony/PreciseDataConnectionState.java b/telephony/java/android/telephony/PreciseDataConnectionState.java
index b258f52..8373899 100644
--- a/telephony/java/android/telephony/PreciseDataConnectionState.java
+++ b/telephony/java/android/telephony/PreciseDataConnectionState.java
@@ -17,10 +17,11 @@
 package android.telephony;
 
 import android.annotation.UnsupportedAppUsage;
+import android.net.LinkProperties;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.telephony.TelephonyManager;
-import android.net.LinkProperties;
+
+import java.util.Objects;
 
 /**
  * Contains precise data connection state.
@@ -32,7 +33,6 @@
  *   <li>Network type of the connection.
  *   <li>APN type.
  *   <li>APN.
- *   <li>Data connection change reason.
  *   <li>The properties of the network link.
  *   <li>Data connection fail cause.
  * </ul>
@@ -45,7 +45,6 @@
     private int mNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN;
     private String mAPNType = "";
     private String mAPN = "";
-    private String mReason = "";
     private LinkProperties mLinkProperties = null;
     private String mFailCause = "";
 
@@ -55,14 +54,12 @@
      * @hide
      */
     @UnsupportedAppUsage
-    public PreciseDataConnectionState(int state, int networkType,
-            String apnType, String apn, String reason,
-            LinkProperties linkProperties, String failCause) {
+    public PreciseDataConnectionState(int state, int networkType, String apnType, String apn,
+                                      LinkProperties linkProperties, String failCause) {
         mState = state;
         mNetworkType = networkType;
         mAPNType = apnType;
         mAPN = apn;
-        mReason = reason;
         mLinkProperties = linkProperties;
         mFailCause = failCause;
     }
@@ -83,7 +80,6 @@
         mNetworkType = in.readInt();
         mAPNType = in.readString();
         mAPN = in.readString();
-        mReason = in.readString();
         mLinkProperties = (LinkProperties)in.readParcelable(null);
         mFailCause = in.readString();
     }
@@ -144,14 +140,6 @@
     }
 
     /**
-     * Get data connection change reason.
-     */
-    @UnsupportedAppUsage
-    public String getDataConnectionChangeReason() {
-        return mReason;
-    }
-
-    /**
      * Get the properties of the network link.
      */
     @UnsupportedAppUsage
@@ -178,7 +166,6 @@
         out.writeInt(mNetworkType);
         out.writeString(mAPNType);
         out.writeString(mAPN);
-        out.writeString(mReason);
         out.writeParcelable(mLinkProperties, flags);
         out.writeString(mFailCause);
     }
@@ -197,16 +184,7 @@
 
     @Override
     public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + mState;
-        result = prime * result + mNetworkType;
-        result = prime * result + ((mAPNType == null) ? 0 : mAPNType.hashCode());
-        result = prime * result + ((mAPN == null) ? 0 : mAPN.hashCode());
-        result = prime * result + ((mReason == null) ? 0 : mReason.hashCode());
-        result = prime * result + ((mLinkProperties == null) ? 0 : mLinkProperties.hashCode());
-        result = prime * result + ((mFailCause == null) ? 0 : mFailCause.hashCode());
-        return result;
+        return Objects.hash(mState, mNetworkType, mAPNType, mAPN, mLinkProperties, mFailCause);
     }
 
     @Override
@@ -252,13 +230,6 @@
         if (mNetworkType != other.mNetworkType) {
             return false;
         }
-        if (mReason == null) {
-            if (other.mReason != null) {
-                return false;
-            }
-        } else if (!mReason.equals(other.mReason)) {
-            return false;
-        }
         if (mState != other.mState) {
             return false;
         }
@@ -273,7 +244,6 @@
         sb.append(", Network type: " + mNetworkType);
         sb.append(", APN type: " + mAPNType);
         sb.append(", APN: " + mAPN);
-        sb.append(", Change reason: " + mReason);
         sb.append(", Link properties: " + mLinkProperties);
         sb.append(", Fail cause: " + mFailCause);
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 2286ce2..739c80f 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -772,7 +772,6 @@
      * The {@link #EXTRA_DATA_NETWORK_TYPE} extra indicates the connection network type.
      * The {@link #EXTRA_DATA_APN_TYPE} extra indicates the APN type.
      * The {@link #EXTRA_DATA_APN} extra indicates the APN.
-     * The {@link #EXTRA_DATA_CHANGE_REASON} extra indicates the connection change reason.
      * The {@link #EXTRA_DATA_IFACE_PROPERTIES} extra indicates the connection interface.
      * The {@link #EXTRA_DATA_FAILURE_CAUSE} extra indicates the connection fail cause.
      *
@@ -783,7 +782,6 @@
      * @see #EXTRA_DATA_NETWORK_TYPE
      * @see #EXTRA_DATA_APN_TYPE
      * @see #EXTRA_DATA_APN
-     * @see #EXTRA_DATA_CHANGE_REASON
      * @see #EXTRA_DATA_IFACE
      * @see #EXTRA_DATA_FAILURE_CAUSE
      * @hide
@@ -872,18 +870,6 @@
 
     /**
      * The lookup key used with the {@link #ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED} broadcast
-     * for an String representation of the change reason.
-     *
-     * <p class="note">
-     * Retrieve with
-     * {@link android.content.Intent#getStringExtra(String name)}.
-     *
-     * @hide
-     */
-    public static final String EXTRA_DATA_CHANGE_REASON = PhoneConstants.STATE_CHANGE_REASON_KEY;
-
-    /**
-     * The lookup key used with the {@link #ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED} broadcast
      * for an String representation of the data interface.
      *
      * <p class="note">
diff --git a/telephony/java/android/telephony/ims/Rcs1To1Thread.java b/telephony/java/android/telephony/ims/Rcs1To1Thread.java
index 5122c7d..709b3aa 100644
--- a/telephony/java/android/telephony/ims/Rcs1To1Thread.java
+++ b/telephony/java/android/telephony/ims/Rcs1To1Thread.java
@@ -23,6 +23,10 @@
  * @hide - TODO(sahinc) make this public
  */
 public class Rcs1To1Thread extends RcsThread {
+    public Rcs1To1Thread(int threadId) {
+        super(threadId);
+    }
+
     public static final Creator<Rcs1To1Thread> CREATOR = new Creator<Rcs1To1Thread>() {
         @Override
         public Rcs1To1Thread createFromParcel(Parcel in) {
@@ -36,6 +40,7 @@
     };
 
     protected Rcs1To1Thread(Parcel in) {
+        super(in);
     }
 
     @Override
@@ -45,5 +50,7 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(RCS_1_TO_1_TYPE);
+        super.writeToParcel(dest, flags);
     }
 }
diff --git a/telephony/java/android/telephony/ims/RcsGroupThread.java b/telephony/java/android/telephony/ims/RcsGroupThread.java
index 150c4d4..d954b2d 100644
--- a/telephony/java/android/telephony/ims/RcsGroupThread.java
+++ b/telephony/java/android/telephony/ims/RcsGroupThread.java
@@ -36,6 +36,7 @@
     };
 
     protected RcsGroupThread(Parcel in) {
+        super(in);
     }
 
     @Override
@@ -45,5 +46,7 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(RCS_GROUP_TYPE);
+        super.writeToParcel(dest, flags);
     }
 }
diff --git a/telephony/java/android/telephony/ims/RcsMessageStore.java b/telephony/java/android/telephony/ims/RcsMessageStore.java
index 4198c78..1bf6ffd 100644
--- a/telephony/java/android/telephony/ims/RcsMessageStore.java
+++ b/telephony/java/android/telephony/ims/RcsMessageStore.java
@@ -16,6 +16,8 @@
 
 package android.telephony.ims;
 
+import android.annotation.Nullable;
+import android.annotation.WorkerThread;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.telephony.Rlog;
@@ -27,26 +29,93 @@
  * @hide - TODO make this public
  */
 public class RcsMessageStore {
-    private static final String TAG = "RcsMessageStore";
-    private static final boolean VDBG = false;
+    static final String TAG = "RcsMessageStore";
 
     /**
-     * Delete the RcsThread identified by the given threadId.
+     * Returns the first chunk of existing {@link RcsThread}s in the common storage.
+     * @param queryParameters Parameters to specify to return a subset of all RcsThreads.
+     *                        Passing a value of null will return all threads.
+     */
+    @WorkerThread
+    public RcsThreadQueryResult getRcsThreads(@Nullable RcsThreadQueryParameters queryParameters) {
+        try {
+            IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService("ircs"));
+            if (iRcs != null) {
+                return iRcs.getRcsThreads(queryParameters);
+            }
+        } catch (RemoteException re) {
+            Rlog.e(TAG, "RcsMessageStore: Exception happened during getRcsThreads", re);
+        }
+
+        return null;
+    }
+
+    /**
+     * Returns the next chunk of {@link RcsThread}s in the common storage.
+     * @param continuationToken A token to continue the query to get the next chunk. This is
+     *                          obtained through {@link RcsThreadQueryResult#nextChunkToken}.
+     */
+    @WorkerThread
+    public RcsThreadQueryResult getRcsThreads(RcsThreadQueryContinuationToken continuationToken) {
+        try {
+            IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService("ircs"));
+            if (iRcs != null) {
+                return iRcs.getRcsThreadsWithToken(continuationToken);
+            }
+        } catch (RemoteException re) {
+            Rlog.e(TAG, "RcsMessageStore: Exception happened during getRcsThreads", re);
+        }
+
+        return null;
+    }
+
+    /**
+     * Creates a new 1 to 1 thread with the given participant and persists it in the storage.
+     */
+    @WorkerThread
+    public Rcs1To1Thread createRcs1To1Thread(RcsParticipant recipient) {
+        try {
+            IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService("ircs"));
+            if (iRcs != null) {
+                return iRcs.createRcs1To1Thread(recipient);
+            }
+        } catch (RemoteException re) {
+            Rlog.e(TAG, "RcsMessageStore: Exception happened during createRcs1To1Thread", re);
+        }
+
+        return null;
+    }
+
+    /**
+     * Delete the {@link RcsThread} identified by the given threadId.
      * @param threadId threadId of the thread to be deleted.
      */
+    @WorkerThread
     public void deleteThread(int threadId) {
-        if (VDBG) logd("deleteThread: threadId: " + threadId);
         try {
             IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService("ircs"));
             if (iRcs != null) {
                 iRcs.deleteThread(threadId);
             }
         } catch (RemoteException re) {
-
+            Rlog.e(TAG, "RcsMessageStore: Exception happened during deleteThread", re);
         }
     }
 
-    private static void logd(String msg) {
-        Rlog.d(TAG, msg);
+    /**
+     * Creates a new participant and persists it in the storage.
+     * @param canonicalAddress The defining address (e.g. phone number) of the participant.
+     */
+    public RcsParticipant createRcsParticipant(String canonicalAddress) {
+        try {
+            IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService("ircs"));
+            if (iRcs != null) {
+                return iRcs.createRcsParticipant(canonicalAddress);
+            }
+        } catch (RemoteException re) {
+            Rlog.e(TAG, "RcsMessageStore: Exception happened during createRcsParticipant", re);
+        }
+
+        return null;
     }
 }
diff --git a/telephony/java/android/telephony/ims/RcsParticipant.java b/telephony/java/android/telephony/ims/RcsParticipant.java
index 318dba3..70500aa 100644
--- a/telephony/java/android/telephony/ims/RcsParticipant.java
+++ b/telephony/java/android/telephony/ims/RcsParticipant.java
@@ -23,6 +23,16 @@
  * @hide - TODO(sahinc) make this public
  */
 public class RcsParticipant implements Parcelable {
+    /**
+     * Returns the row id of this participant.
+     *
+     * TODO(sahinc) implement
+     * @hide
+     */
+    public int getId() {
+        return 12345;
+    }
+
     public static final Creator<RcsParticipant> CREATOR = new Creator<RcsParticipant>() {
         @Override
         public RcsParticipant createFromParcel(Parcel in) {
diff --git a/telephony/java/android/telephony/ims/RcsThread.java b/telephony/java/android/telephony/ims/RcsThread.java
index 2969ffd..c0a0d94 100644
--- a/telephony/java/android/telephony/ims/RcsThread.java
+++ b/telephony/java/android/telephony/ims/RcsThread.java
@@ -16,7 +16,9 @@
 
 package android.telephony.ims;
 
+import android.os.Parcel;
 import android.os.Parcelable;
+import android.util.Log;
 
 /**
  * RcsThread represents a single RCS conversation thread. It holds messages that were sent and
@@ -24,5 +26,50 @@
  * @hide - TODO(sahinc) make this public
  */
 public abstract class RcsThread implements Parcelable {
+    // Since this is an abstract class that gets parcelled, the sub-classes need to write these
+    // magic values into the parcel so that we know which type to unparcel into.
+    protected static final int RCS_1_TO_1_TYPE = 998;
+    protected static final int RCS_GROUP_TYPE = 999;
 
+    protected int mThreadId;
+
+    protected RcsThread(int threadId) {
+        mThreadId = threadId;
+    }
+
+    protected RcsThread(Parcel in) {
+        mThreadId = in.readInt();
+    }
+
+    public static final Creator<RcsThread> CREATOR = new Creator<RcsThread>() {
+        @Override
+        public RcsThread createFromParcel(Parcel in) {
+            int type = in.readInt();
+
+            switch (type) {
+                case RCS_1_TO_1_TYPE:
+                    return new Rcs1To1Thread(in);
+                case RCS_GROUP_TYPE:
+                    return new RcsGroupThread(in);
+                default:
+                    Log.e(RcsMessageStore.TAG, "Cannot unparcel RcsThread, wrong type: " + type);
+            }
+            return null;
+        }
+
+        @Override
+        public RcsThread[] newArray(int size) {
+            return new RcsThread[0];
+        }
+    };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(mThreadId);
+    }
 }
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.aidl b/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.aidl
new file mode 100644
index 0000000..7bcebfa
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.aidl
@@ -0,0 +1,20 @@
+/*
+**
+** Copyright 2018, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.telephony.ims;
+
+parcelable RcsThreadQueryContinuationToken;
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.java b/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.java
new file mode 100644
index 0000000..931e93d
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryContinuationToken.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony.ims;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * A continuation token to provide for {@link RcsMessageStore#getRcsThreads}. Use this token to
+ * break large queries into manageable chunks
+ * @hide - TODO make this public
+ */
+public class RcsThreadQueryContinuationToken implements Parcelable {
+    protected RcsThreadQueryContinuationToken(Parcel in) {
+    }
+
+    public static final Creator<RcsThreadQueryContinuationToken> CREATOR =
+            new Creator<RcsThreadQueryContinuationToken>() {
+                @Override
+                public RcsThreadQueryContinuationToken createFromParcel(Parcel in) {
+                    return new RcsThreadQueryContinuationToken(in);
+                }
+
+                @Override
+                public RcsThreadQueryContinuationToken[] newArray(int size) {
+                    return new RcsThreadQueryContinuationToken[size];
+                }
+            };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+    }
+}
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryParameters.aidl b/telephony/java/android/telephony/ims/RcsThreadQueryParameters.aidl
new file mode 100644
index 0000000..feb2d4d
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryParameters.aidl
@@ -0,0 +1,20 @@
+/*
+**
+** Copyright 2018, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.telephony.ims;
+
+parcelable RcsThreadQueryParameters;
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryParameters.java b/telephony/java/android/telephony/ims/RcsThreadQueryParameters.java
new file mode 100644
index 0000000..f2c4ab1
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryParameters.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony.ims;
+
+import android.annotation.CheckResult;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.security.InvalidParameterException;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * The parameters to pass into {@link RcsMessageStore#getRcsThreads(RcsThreadQueryParameters)} in
+ * order to select a subset of {@link RcsThread}s present in the message store.
+ * @hide TODO - make the Builder and builder() public. The rest should stay internal only.
+ */
+public class RcsThreadQueryParameters implements Parcelable {
+    private final boolean mIsGroup;
+    private final Set<RcsParticipant> mRcsParticipants;
+    private final int mLimit;
+    private final boolean mIsAscending;
+
+    RcsThreadQueryParameters(boolean isGroup, Set<RcsParticipant> participants, int limit,
+            boolean isAscending) {
+        mIsGroup = isGroup;
+        mRcsParticipants = participants;
+        mLimit = limit;
+        mIsAscending = isAscending;
+    }
+
+    /**
+     * Returns a new builder to build a query with.
+     * TODO - make public
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * This is used in {@link com.android.internal.telephony.ims.RcsMessageStoreController} to get
+     * the list of participants.
+     * @hide
+     */
+    public Set<RcsParticipant> getRcsParticipants() {
+        return mRcsParticipants;
+    }
+
+    /**
+     * This is used in {@link com.android.internal.telephony.ims.RcsMessageStoreController} to get
+     * whether group threads should be queried
+     * @hide
+     */
+    public boolean isGroupThread() {
+        return mIsGroup;
+    }
+
+    /**
+     * This is used in {@link com.android.internal.telephony.ims.RcsMessageStoreController} to get
+     * the number of tuples the result query should be limited to.
+     */
+    public int getLimit() {
+        return mLimit;
+    }
+
+    /**
+     * This is used in {@link com.android.internal.telephony.ims.RcsMessageStoreController} to
+     * determine the sort order.
+     */
+    public boolean isAscending() {
+        return mIsAscending;
+    }
+
+    /**
+     * A helper class to build the {@link RcsThreadQueryParameters}.
+     */
+    public static class Builder {
+        private boolean mIsGroupThread;
+        private Set<RcsParticipant> mParticipants;
+        private int mLimit = 100;
+        private boolean mIsAscending;
+
+        /**
+         * Package private constructor for {@link RcsThreadQueryParameters.Builder}. To obtain this,
+         * {@link RcsThreadQueryParameters#builder()} needs to be called.
+         */
+        Builder() {
+            mParticipants = new HashSet<>();
+        }
+
+        /**
+         * Limits the query to only return group threads.
+         * @param isGroupThread Whether to limit the query result to group threads.
+         * @return The same instance of the builder to chain parameters.
+         */
+        @CheckResult
+        public Builder isGroupThread(boolean isGroupThread) {
+            mIsGroupThread = isGroupThread;
+            return this;
+        }
+
+        /**
+         * Limits the query to only return threads that contain the given participant.
+         * @param participant The participant that must be included in all of the returned threads.
+         * @return The same instance of the builder to chain parameters.
+         */
+        @CheckResult
+        public Builder withParticipant(RcsParticipant participant) {
+            mParticipants.add(participant);
+            return this;
+        }
+
+        /**
+         * Limits the query to only return threads that contain the given list of participants.
+         * @param participants An iterable list of participants that must be included in all of the
+         *                     returned threads.
+         * @return The same instance of the builder to chain parameters.
+         */
+        @CheckResult
+        public Builder withParticipants(Iterable<RcsParticipant> participants) {
+            for (RcsParticipant participant : participants) {
+                mParticipants.add(participant);
+            }
+            return this;
+        }
+
+        /**
+         * Desired number of threads to be returned from the query. Passing in 0 will return all
+         * existing threads at once. The limit defaults to 100.
+         * @param limit The number to limit the query result to.
+         * @return The same instance of the builder to chain parameters.
+         * @throws InvalidParameterException If the given limit is negative.
+         */
+        @CheckResult
+        public Builder limitResultsTo(int limit) throws InvalidParameterException {
+            if (limit < 0) {
+                throw new InvalidParameterException("The query limit must be non-negative");
+            }
+
+            mLimit = limit;
+            return this;
+        }
+
+        /**
+         * Sorts the results returned from the query via thread IDs.
+         *
+         * TODO - add sorting support for other fields
+         *
+         * @param isAscending whether to sort in ascending order or not
+         * @return The same instance of the builder to chain parameters.
+         */
+        @CheckResult
+        public Builder sort(boolean isAscending) {
+            mIsAscending = isAscending;
+            return this;
+        }
+
+        /**
+         * Builds the {@link RcsThreadQueryParameters} to use in
+         * {@link RcsMessageStore#getRcsThreads(RcsThreadQueryParameters)}
+         *
+         * @return An instance of {@link RcsThreadQueryParameters} to use with the thread query.
+         */
+        public RcsThreadQueryParameters build() {
+            return new RcsThreadQueryParameters(
+                    mIsGroupThread, mParticipants, mLimit, mIsAscending);
+        }
+    }
+
+    /**
+     * Parcelable boilerplate below.
+     */
+    protected RcsThreadQueryParameters(Parcel in) {
+        mIsGroup = in.readBoolean();
+
+        ArrayList<RcsParticipant> participantArrayList = new ArrayList<>();
+        in.readTypedList(participantArrayList, RcsParticipant.CREATOR);
+        mRcsParticipants = new HashSet<>(participantArrayList);
+
+        mLimit = in.readInt();
+        mIsAscending = in.readBoolean();
+    }
+
+    public static final Creator<RcsThreadQueryParameters> CREATOR =
+            new Creator<RcsThreadQueryParameters>() {
+                @Override
+                public RcsThreadQueryParameters createFromParcel(Parcel in) {
+                    return new RcsThreadQueryParameters(in);
+                }
+
+                @Override
+                public RcsThreadQueryParameters[] newArray(int size) {
+                    return new RcsThreadQueryParameters[size];
+                }
+            };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeBoolean(mIsGroup);
+        dest.writeTypedList(new ArrayList<>(mRcsParticipants));
+        dest.writeInt(mLimit);
+        dest.writeBoolean(mIsAscending);
+    }
+
+}
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryResult.aidl b/telephony/java/android/telephony/ims/RcsThreadQueryResult.aidl
new file mode 100644
index 0000000..4b06529
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryResult.aidl
@@ -0,0 +1,20 @@
+/*
+**
+** Copyright 2018, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.telephony.ims;
+
+parcelable RcsThreadQueryResult;
diff --git a/telephony/java/android/telephony/ims/RcsThreadQueryResult.java b/telephony/java/android/telephony/ims/RcsThreadQueryResult.java
new file mode 100644
index 0000000..47715f8
--- /dev/null
+++ b/telephony/java/android/telephony/ims/RcsThreadQueryResult.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony.ims;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.List;
+
+/**
+ * The result of a {@link RcsMessageStore#getRcsThreads(RcsThreadQueryContinuationToken,
+ * RcsThreadQueryParameters)}
+ * call. This class allows getting the token for querying the next batch of threads in order to
+ * prevent handling large amounts of data at once.
+ *
+ * @hide
+ */
+public class RcsThreadQueryResult implements Parcelable {
+    private RcsThreadQueryContinuationToken mContinuationToken;
+    private List<RcsThread> mRcsThreads;
+
+    /**
+     * Internal constructor for {@link com.android.internal.telephony.ims.RcsMessageStoreController}
+     * to create query results
+     *
+     * @hide
+     */
+    public RcsThreadQueryResult(
+            RcsThreadQueryContinuationToken continuationToken, List<RcsThread> rcsThreads) {
+        mContinuationToken = continuationToken;
+        mRcsThreads = rcsThreads;
+    }
+
+    /**
+     * Returns a token to call
+     * {@link RcsMessageStore#getRcsThreads(RcsThreadQueryContinuationToken)}
+     * to get the next batch of {@link RcsThread}s.
+     */
+    public RcsThreadQueryContinuationToken nextChunkToken() {
+        return mContinuationToken;
+    }
+
+    /**
+     * Returns all the RcsThreads in the current query result. Call {@link
+     * RcsMessageStore#getRcsThreads(RcsThreadQueryContinuationToken)} to get the next batch of
+     * {@link RcsThread}s.
+     */
+    public List<RcsThread> getThreads() {
+        return mRcsThreads;
+    }
+
+    protected RcsThreadQueryResult(Parcel in) {
+        // TODO - implement
+    }
+
+    public static final Creator<RcsThreadQueryResult> CREATOR =
+            new Creator<RcsThreadQueryResult>() {
+                @Override
+                public RcsThreadQueryResult createFromParcel(Parcel in) {
+                    return new RcsThreadQueryResult(in);
+                }
+
+                @Override
+                public RcsThreadQueryResult[] newArray(int size) {
+                    return new RcsThreadQueryResult[size];
+                }
+            };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        // TODO - implement
+    }
+}
diff --git a/telephony/java/android/telephony/ims/aidl/IRcs.aidl b/telephony/java/android/telephony/ims/aidl/IRcs.aidl
index b2e2fad..9badac5 100644
--- a/telephony/java/android/telephony/ims/aidl/IRcs.aidl
+++ b/telephony/java/android/telephony/ims/aidl/IRcs.aidl
@@ -16,14 +16,29 @@
 
 package android.telephony.ims.aidl;
 
+import android.telephony.ims.RcsParticipant;
+import android.telephony.ims.Rcs1To1Thread;
+import android.telephony.ims.RcsThreadQueryContinuationToken;
+import android.telephony.ims.RcsThreadQueryParameters;
+import android.telephony.ims.RcsThreadQueryResult;
+
 /**
  * RPC definition between RCS storage APIs and phone process.
  * {@hide}
  */
 interface IRcs {
     // RcsMessageStore APIs
+    RcsThreadQueryResult getRcsThreads(in RcsThreadQueryParameters queryParameters);
+
+    RcsThreadQueryResult getRcsThreadsWithToken(
+        in RcsThreadQueryContinuationToken continuationToken);
+
     void deleteThread(int threadId);
 
+    Rcs1To1Thread createRcs1To1Thread(in RcsParticipant participant);
+
+    RcsParticipant createRcsParticipant(String canonicalAddress);
+
     // RcsThread APIs
     int getMessageCount(int rcsThreadId);
 }
\ No newline at end of file
diff --git a/telephony/java/com/android/internal/telephony/DctConstants.java b/telephony/java/com/android/internal/telephony/DctConstants.java
index 0fdca5d..96f7a1b 100644
--- a/telephony/java/com/android/internal/telephony/DctConstants.java
+++ b/telephony/java/com/android/internal/telephony/DctConstants.java
@@ -24,7 +24,7 @@
     /**
      * IDLE: ready to start data connection setup, default state
      * CONNECTING: state of issued startPppd() but not finish yet
-     * SCANNING: data connection fails with one apn but other apns are available
+     * RETRYING: data connection fails with one apn but other apns are available
      *           ready to start data connection on other apns (before INITING)
      * CONNECTED: IP connection is setup
      * DISCONNECTING: Connection.disconnect() has been called, but PDP
@@ -34,19 +34,16 @@
      *
      * getDataConnectionState() maps State to DataState
      *      FAILED or IDLE : DISCONNECTED
-     *      RETRYING or CONNECTING or SCANNING: CONNECTING
+     *      RETRYING or CONNECTING: CONNECTING
      *      CONNECTED : CONNECTED or DISCONNECTING
      */
     public enum State {
         IDLE,
         CONNECTING,
-        SCANNING,
+        RETRYING,
         CONNECTED,
         DISCONNECTING,
         FAILED,
-        RETRYING        // After moving retry manager to ApnContext, we'll never enter this state!
-                        // Todo: Remove this state and other places that use this state and then
-                        // rename SCANNING to RETRYING.
     }
 
     public enum Activity {
@@ -81,7 +78,6 @@
     public static final int EVENT_RESTART_RADIO = BASE + 26;
     public static final int EVENT_CLEAN_UP_ALL_CONNECTIONS = BASE + 29;
     public static final int EVENT_ICC_CHANGED = BASE + 33;
-    public static final int EVENT_DISCONNECT_DC_RETRYING = BASE + 34;
     public static final int EVENT_DATA_SETUP_COMPLETE_ERROR = BASE + 35;
     public static final int CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA = BASE + 36;
     public static final int CMD_ENABLE_MOBILE_PROVISIONING = BASE + 37;
diff --git a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index d9f5c3f..02a6f31 100644
--- a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -50,13 +50,13 @@
     void notifyDataActivity(int state);
     void notifyDataActivityForSubscriber(in int subId, int state);
     void notifyDataConnection(int state, boolean isDataConnectivityPossible,
-            String reason, String apn, String apnType, in LinkProperties linkProperties,
+            String apn, String apnType, in LinkProperties linkProperties,
             in NetworkCapabilities networkCapabilities, int networkType, boolean roaming);
     void notifyDataConnectionForSubscriber(int subId, int state, boolean isDataConnectivityPossible,
-            String reason, String apn, String apnType, in LinkProperties linkProperties,
+            String apn, String apnType, in LinkProperties linkProperties,
             in NetworkCapabilities networkCapabilities, int networkType, boolean roaming);
-    void notifyDataConnectionFailed(String reason, String apnType);
-    void notifyDataConnectionFailedForSubscriber(int subId, String reason, String apnType);
+    void notifyDataConnectionFailed(String apnType);
+    void notifyDataConnectionFailedForSubscriber(int subId, String apnType);
     void notifyCellLocation(in Bundle cellLocation);
     void notifyCellLocationForSubscriber(in int subId, in Bundle cellLocation);
     void notifyOtaspChanged(in int otaspMode);
@@ -67,7 +67,7 @@
     void notifyPreciseCallState(int ringingCallState, int foregroundCallState,
             int backgroundCallState);
     void notifyDisconnectCause(int disconnectCause, int preciseDisconnectCause);
-    void notifyPreciseDataConnectionFailed(String reason, String apnType, String apn,
+    void notifyPreciseDataConnectionFailed(String apnType, String apn,
             String failCause);
     void notifyCellInfoForSubscriber(in int subId, in List<CellInfo> cellInfo);
     void notifySrvccStateChanged(in int subId, in int lteState);
diff --git a/telephony/java/com/android/internal/telephony/PhoneConstants.java b/telephony/java/com/android/internal/telephony/PhoneConstants.java
index 21f3b92..e87d28c 100644
--- a/telephony/java/com/android/internal/telephony/PhoneConstants.java
+++ b/telephony/java/com/android/internal/telephony/PhoneConstants.java
@@ -79,8 +79,6 @@
     public static final int SIM_ACTIVATION_TYPE_DATA = 1;
 
     public static final String PHONE_NAME_KEY = "phoneName";
-    public static final String FAILURE_REASON_KEY = "reason";
-    public static final String STATE_CHANGE_REASON_KEY = "reason";
     public static final String DATA_NETWORK_TYPE_KEY = "networkType";
     public static final String DATA_FAILURE_CAUSE_KEY = "failCause";
     public static final String DATA_APN_TYPE_KEY = "apnType";
diff --git a/tests/RcsTests/Android.mk b/tests/RcsTests/Android.mk
index adc7cab..7b348d7 100644
--- a/tests/RcsTests/Android.mk
+++ b/tests/RcsTests/Android.mk
@@ -11,7 +11,7 @@
 
 LOCAL_CERTIFICATE := platform
 LOCAL_JAVA_LIBRARIES := android.test.runner android.test.base
-LOCAL_STATIC_JAVA_LIBRARIES := junit android-support-test mockito-target-minus-junit4
+LOCAL_STATIC_JAVA_LIBRARIES := junit android-support-test mockito-target-minus-junit4 truth-prebuilt
 
 include $(BUILD_PACKAGE)
 
diff --git a/tests/RcsTests/src/com/android/tests/rcs/RcsMessageStoreTest.java b/tests/RcsTests/src/com/android/tests/ims/RcsMessageStoreTest.java
similarity index 97%
rename from tests/RcsTests/src/com/android/tests/rcs/RcsMessageStoreTest.java
rename to tests/RcsTests/src/com/android/tests/ims/RcsMessageStoreTest.java
index 290e04c..44277ed 100644
--- a/tests/RcsTests/src/com/android/tests/rcs/RcsMessageStoreTest.java
+++ b/tests/RcsTests/src/com/android/tests/ims/RcsMessageStoreTest.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.tests.rcs;
+package com.android.tests.ims;
 
 import android.support.test.runner.AndroidJUnit4;
 import android.telephony.ims.RcsMessageStore;
diff --git a/tests/RcsTests/src/com/android/tests/ims/RcsThreadQueryParametersTest.java b/tests/RcsTests/src/com/android/tests/ims/RcsThreadQueryParametersTest.java
new file mode 100644
index 0000000..a890a38
--- /dev/null
+++ b/tests/RcsTests/src/com/android/tests/ims/RcsThreadQueryParametersTest.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.tests.ims;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.os.Bundle;
+import android.support.test.runner.AndroidJUnit4;
+import android.telephony.ims.RcsParticipant;
+import android.telephony.ims.RcsThreadQueryParameters;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+
+@RunWith(AndroidJUnit4.class)
+public class RcsThreadQueryParametersTest {
+    private RcsThreadQueryParameters mRcsThreadQueryParameters;
+    @Mock RcsParticipant mMockParticipant;
+
+    @Test
+    public void testUnparceling() {
+        String key = "some key";
+        mRcsThreadQueryParameters = RcsThreadQueryParameters.builder()
+                .isGroupThread(true)
+                .withParticipant(mMockParticipant)
+                .limitResultsTo(50)
+                .sort(true)
+                .build();
+
+        Bundle bundle = new Bundle();
+        bundle.putParcelable(key, mRcsThreadQueryParameters);
+        mRcsThreadQueryParameters = bundle.getParcelable(key);
+
+        assertThat(mRcsThreadQueryParameters.isGroupThread()).isTrue();
+        assertThat(mRcsThreadQueryParameters.getRcsParticipants()).contains(mMockParticipant);
+        assertThat(mRcsThreadQueryParameters.getLimit()).isEqualTo(50);
+        assertThat(mRcsThreadQueryParameters.isAscending()).isTrue();
+    }
+}
diff --git a/tools/aapt/ConfigDescription.h b/tools/aapt/ConfigDescription.h
index 09430f2..b4ea624 100644
--- a/tools/aapt/ConfigDescription.h
+++ b/tools/aapt/ConfigDescription.h
@@ -29,7 +29,7 @@
         size = sizeof(android::ResTable_config);
     }
 
-    ConfigDescription(const android::ResTable_config&o) {  // NOLINT(implicit)
+    ConfigDescription(const android::ResTable_config&o) {  // NOLINT(google-explicit-constructor)
         *static_cast<android::ResTable_config*>(this) = o;
         size = sizeof(android::ResTable_config);
     }
diff --git a/tools/aapt2/Debug.cpp b/tools/aapt2/Debug.cpp
index f064cb1..e0d7abe 100644
--- a/tools/aapt2/Debug.cpp
+++ b/tools/aapt2/Debug.cpp
@@ -414,7 +414,7 @@
  public:
   using xml::ConstVisitor::Visit;
 
-  XmlPrinter(Printer* printer) : printer_(printer) {
+  explicit XmlPrinter(Printer* printer) : printer_(printer) {
   }
 
   void Visit(const xml::Element* el) override {
diff --git a/tools/aapt2/Resource.h b/tools/aapt2/Resource.h
index 1c1aedd..a8ba202 100644
--- a/tools/aapt2/Resource.h
+++ b/tools/aapt2/Resource.h
@@ -108,7 +108,7 @@
   ResourceNameRef() = default;
   ResourceNameRef(const ResourceNameRef&) = default;
   ResourceNameRef(ResourceNameRef&&) = default;
-  ResourceNameRef(const ResourceName& rhs);  // NOLINT(implicit)
+  ResourceNameRef(const ResourceName& rhs);  // NOLINT(google-explicit-constructor)
   ResourceNameRef(const android::StringPiece& p, ResourceType t, const android::StringPiece& e);
   ResourceNameRef& operator=(const ResourceNameRef& rhs) = default;
   ResourceNameRef& operator=(ResourceNameRef&& rhs) = default;
@@ -139,7 +139,7 @@
 
   ResourceId();
   ResourceId(const ResourceId& rhs);
-  ResourceId(uint32_t res_id);  // NOLINT(implicit)
+  ResourceId(uint32_t res_id);  // NOLINT(google-explicit-constructor)
   ResourceId(uint8_t p, uint8_t t, uint16_t e);
 
   bool is_valid() const;
diff --git a/tools/aapt2/cmd/Compile.cpp b/tools/aapt2/cmd/Compile.cpp
index 0b43c5d..7144985 100644
--- a/tools/aapt2/cmd/Compile.cpp
+++ b/tools/aapt2/cmd/Compile.cpp
@@ -645,7 +645,7 @@
 
 class CompileContext : public IAaptContext {
  public:
-  CompileContext(IDiagnostics* diagnostics) : diagnostics_(diagnostics) {
+  explicit CompileContext(IDiagnostics* diagnostics) : diagnostics_(diagnostics) {
   }
 
   PackageType GetPackageType() override {
diff --git a/tools/aapt2/cmd/Link.cpp b/tools/aapt2/cmd/Link.cpp
index 60cab5d..623ba12 100644
--- a/tools/aapt2/cmd/Link.cpp
+++ b/tools/aapt2/cmd/Link.cpp
@@ -141,7 +141,7 @@
 
 class LinkContext : public IAaptContext {
  public:
-  LinkContext(IDiagnostics* diagnostics)
+  explicit LinkContext(IDiagnostics* diagnostics)
       : diagnostics_(diagnostics), name_mangler_({}), symbols_(&name_mangler_) {
   }
 
@@ -226,7 +226,7 @@
 // See b/37498913.
 class FeatureSplitSymbolTableDelegate : public DefaultSymbolTableDelegate {
  public:
-  FeatureSplitSymbolTableDelegate(IAaptContext* context) : context_(context) {
+  explicit FeatureSplitSymbolTableDelegate(IAaptContext* context) : context_(context) {
   }
 
   virtual ~FeatureSplitSymbolTableDelegate() = default;
diff --git a/tools/aapt2/java/ProguardRules.h b/tools/aapt2/java/ProguardRules.h
index 46827ee..c53f307 100644
--- a/tools/aapt2/java/ProguardRules.h
+++ b/tools/aapt2/java/ProguardRules.h
@@ -44,7 +44,7 @@
  public:
   KeepSet() = default;
 
-  KeepSet(bool conditional_keep_rules) : conditional_keep_rules_(conditional_keep_rules) {
+  explicit KeepSet(bool conditional_keep_rules) : conditional_keep_rules_(conditional_keep_rules) {
   }
 
   inline void AddManifestClass(const UsageLocation& file, const std::string& class_name) {
diff --git a/tools/aapt2/link/XmlCompatVersioner.h b/tools/aapt2/link/XmlCompatVersioner.h
index 099e23c..9980618 100644
--- a/tools/aapt2/link/XmlCompatVersioner.h
+++ b/tools/aapt2/link/XmlCompatVersioner.h
@@ -55,7 +55,7 @@
  public:
   using Rules = std::unordered_map<ResourceId, std::unique_ptr<IDegradeRule>>;
 
-  XmlCompatVersioner(const Rules* rules);
+  explicit XmlCompatVersioner(const Rules* rules);
 
   std::vector<std::unique_ptr<xml::XmlResource>> Process(IAaptContext* context,
                                                          xml::XmlResource* doc,
@@ -83,7 +83,7 @@
 
 class DegradeToManyRule : public IDegradeRule {
  public:
-  DegradeToManyRule(std::vector<ReplacementAttr> attrs);
+  explicit DegradeToManyRule(std::vector<ReplacementAttr> attrs);
   virtual ~DegradeToManyRule() = default;
 
   std::vector<DegradeResult> Degrade(const xml::Element& src_el, const xml::Attribute& src_attr,
diff --git a/tools/aapt2/process/SymbolTable.h b/tools/aapt2/process/SymbolTable.h
index 51a2e37..2d8bd02 100644
--- a/tools/aapt2/process/SymbolTable.h
+++ b/tools/aapt2/process/SymbolTable.h
@@ -71,7 +71,7 @@
     bool is_dynamic = false;
   };
 
-  SymbolTable(NameMangler* mangler);
+  explicit SymbolTable(NameMangler* mangler);
 
   // Overrides the default ISymbolTableDelegate, which allows a custom defined strategy for
   // looking up resources from a set of sources.
diff --git a/tools/aapt2/test/Common.h b/tools/aapt2/test/Common.h
index 50b41f1..777ca5c 100644
--- a/tools/aapt2/test/Common.h
+++ b/tools/aapt2/test/Common.h
@@ -173,10 +173,12 @@
 template <typename TValue>
 class ValueEqMatcher {
  public:
+  // NOLINTNEXTLINE(google-explicit-constructor)
   ValueEqMatcher(TValue expected) : expected_(std::move(expected)) {
   }
 
   template <typename T>
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator ::testing::Matcher<T>() const {
     return ::testing::Matcher<T>(new ValueEqImpl<T>(&expected_));
   }
@@ -188,10 +190,12 @@
 template <typename TValue>
 class ValueEqPointerMatcher {
  public:
+  // NOLINTNEXTLINE(google-explicit-constructor)
   ValueEqPointerMatcher(const TValue* expected) : expected_(expected) {
   }
 
   template <typename T>
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator ::testing::Matcher<T>() const {
     return ::testing::Matcher<T>(new ValueEqImpl<T>(expected_));
   }
diff --git a/tools/aapt2/util/Maybe.h b/tools/aapt2/util/Maybe.h
index 031276c..047e1a5 100644
--- a/tools/aapt2/util/Maybe.h
+++ b/tools/aapt2/util/Maybe.h
@@ -44,12 +44,12 @@
   Maybe(const Maybe& rhs);
 
   template <typename U>
-  Maybe(const Maybe<U>& rhs);  // NOLINT(implicit)
+  Maybe(const Maybe<U>& rhs);  // NOLINT(google-explicit-constructor)
 
   Maybe(Maybe&& rhs) noexcept;
 
   template <typename U>
-  Maybe(Maybe<U>&& rhs);  // NOLINT(implicit)
+  Maybe(Maybe<U>&& rhs);  // NOLINT(google-explicit-constructor)
 
   Maybe& operator=(const Maybe& rhs);
 
@@ -64,12 +64,12 @@
   /**
    * Construct a Maybe holding a value.
    */
-  Maybe(const T& value);  // NOLINT(implicit)
+  Maybe(const T& value);  // NOLINT(google-explicit-constructor)
 
   /**
    * Construct a Maybe holding a value.
    */
-  Maybe(T&& value);  // NOLINT(implicit)
+  Maybe(T&& value);  // NOLINT(google-explicit-constructor)
 
   /**
    * True if this holds a value, false if