Merge "Fix videoStateToString for audio/paused state."
diff --git a/api/current.txt b/api/current.txt
index 1173dda..02188f6 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -8553,6 +8553,7 @@
     field public static final java.lang.String ACTION_CALL = "android.intent.action.CALL";
     field public static final java.lang.String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
     field public static final java.lang.String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
+    field public static final java.lang.String ACTION_CARRIER_SETUP = "android.intent.action.CARRIER_SETUP";
     field public static final java.lang.String ACTION_CHOOSER = "android.intent.action.CHOOSER";
     field public static final java.lang.String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
     field public static final java.lang.String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
@@ -36581,9 +36582,11 @@
     method public android.telecom.Call.Details getDetails();
     method public android.telecom.Call getParent();
     method public java.lang.String getRemainingPostDialSequence();
+    method public android.telecom.Call.RttCall getRttCall();
     method public int getState();
     method public android.telecom.InCallService.VideoCall getVideoCall();
     method public void hold();
+    method public boolean isRttActive();
     method public void mergeConference();
     method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);
     method public void playDtmfTone(char);
@@ -36595,9 +36598,12 @@
     method public void reject(boolean, java.lang.String);
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
+    method public void respondToRttRequest(int, boolean);
     method public void sendCallEvent(java.lang.String, android.os.Bundle);
+    method public void sendRttRequest();
     method public void splitFromConference();
     method public void stopDtmfTone();
+    method public void stopRtt();
     method public void swapConference();
     method public void unhold();
     method public void unregisterCallback(android.telecom.Call.Callback);
@@ -36624,6 +36630,9 @@
     method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);
     method public void onParentChanged(android.telecom.Call, android.telecom.Call);
     method public void onPostDialWait(android.telecom.Call, java.lang.String);
+    method public void onRttModeChanged(android.telecom.Call, int);
+    method public void onRttRequest(android.telecom.Call, int);
+    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);
     method public void onStateChanged(android.telecom.Call, int);
     method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);
   }
@@ -36677,6 +36686,19 @@
     field public static final int PROPERTY_WIFI = 8; // 0x8
   }
 
+  public static final class Call.RttCall {
+    method public int getRttAudioMode();
+    method public java.lang.String read();
+    method public void setRttMode(int);
+    method public void write(java.lang.String) throws java.io.IOException;
+    field public static final int RTT_MODE_FULL = 1; // 0x1
+    field public static final int RTT_MODE_HCO = 2; // 0x2
+    field public static final int RTT_MODE_VCO = 3; // 0x3
+  }
+
+  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {
+  }
+
   public final class CallAudioState implements android.os.Parcelable {
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
@@ -37048,6 +37070,7 @@
     field public static final int CAPABILITY_CALL_SUBJECT = 64; // 0x40
     field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1
     field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10
+    field public static final int CAPABILITY_RTT = 4096; // 0x1000
     field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800
     field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4
     field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400
@@ -37260,6 +37283,7 @@
     field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";
     field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";
     field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";
+    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";
     field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
@@ -37413,6 +37437,7 @@
     field public static final java.lang.String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
     field public static final java.lang.String KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL = "simplified_network_settings_bool";
     field public static final java.lang.String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
+    field public static final java.lang.String KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL = "support_3gpp_call_forwarding_while_roaming_bool";
     field public static final java.lang.String KEY_SUPPORT_CONFERENCE_CALL_BOOL = "support_conference_call_bool";
     field public static final java.lang.String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
     field public static final java.lang.String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
@@ -38737,7 +38762,7 @@
 
 package android.test.suitebuilder {
 
-  public class TestMethod {
+  public deprecated class TestMethod {
     ctor public TestMethod(java.lang.reflect.Method, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(java.lang.String, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(junit.framework.TestCase);
@@ -38748,7 +38773,7 @@
     method public java.lang.String getName();
   }
 
-  public class TestSuiteBuilder {
+  public deprecated class TestSuiteBuilder {
     ctor public TestSuiteBuilder(java.lang.Class);
     ctor public TestSuiteBuilder(java.lang.String, java.lang.ClassLoader);
     method public android.test.suitebuilder.TestSuiteBuilder addRequirements(java.util.List<com.android.internal.util.Predicate<android.test.suitebuilder.TestMethod>>);
@@ -38761,7 +38786,7 @@
     method public android.test.suitebuilder.TestSuiteBuilder named(java.lang.String);
   }
 
-  public static class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
+  public static deprecated class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
     ctor public TestSuiteBuilder.FailedToCreateTests(java.lang.Exception);
     method public void testSuiteConstructionFailed();
   }
@@ -49131,7 +49156,7 @@
 
 package com.android.internal.util {
 
-  public abstract interface Predicate<T> {
+  public abstract deprecated interface Predicate<T> {
     method public abstract boolean apply(T);
   }
 
@@ -49461,7 +49486,7 @@
     method public static dalvik.system.DexFile loadDex(java.lang.String, java.lang.String, int) throws java.io.IOException;
   }
 
-  public final class InMemoryDexClassLoader extends java.lang.ClassLoader {
+  public final class InMemoryDexClassLoader extends dalvik.system.BaseDexClassLoader {
     ctor public InMemoryDexClassLoader(java.nio.ByteBuffer, java.lang.ClassLoader);
   }
 
diff --git a/api/system-current.txt b/api/system-current.txt
index 4feda6c..a10e882 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -8895,6 +8895,7 @@
     field public static final java.lang.String ACTION_CALL = "android.intent.action.CALL";
     field public static final java.lang.String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
     field public static final java.lang.String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
+    field public static final java.lang.String ACTION_CARRIER_SETUP = "android.intent.action.CARRIER_SETUP";
     field public static final java.lang.String ACTION_CHOOSER = "android.intent.action.CHOOSER";
     field public static final java.lang.String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
     field public static final java.lang.String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
@@ -39548,9 +39549,11 @@
     method public android.telecom.Call.Details getDetails();
     method public android.telecom.Call getParent();
     method public java.lang.String getRemainingPostDialSequence();
+    method public android.telecom.Call.RttCall getRttCall();
     method public int getState();
     method public android.telecom.InCallService.VideoCall getVideoCall();
     method public void hold();
+    method public boolean isRttActive();
     method public void mergeConference();
     method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);
     method public void playDtmfTone(char);
@@ -39563,9 +39566,12 @@
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
     method public deprecated void removeListener(android.telecom.Call.Listener);
+    method public void respondToRttRequest(int, boolean);
     method public void sendCallEvent(java.lang.String, android.os.Bundle);
+    method public void sendRttRequest();
     method public void splitFromConference();
     method public void stopDtmfTone();
+    method public void stopRtt();
     method public void swapConference();
     method public void unhold();
     method public void unregisterCallback(android.telecom.Call.Callback);
@@ -39593,6 +39599,9 @@
     method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);
     method public void onParentChanged(android.telecom.Call, android.telecom.Call);
     method public void onPostDialWait(android.telecom.Call, java.lang.String);
+    method public void onRttModeChanged(android.telecom.Call, int);
+    method public void onRttRequest(android.telecom.Call, int);
+    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);
     method public void onStateChanged(android.telecom.Call, int);
     method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);
   }
@@ -39650,6 +39659,19 @@
     ctor public Call.Listener();
   }
 
+  public static final class Call.RttCall {
+    method public int getRttAudioMode();
+    method public java.lang.String read();
+    method public void setRttMode(int);
+    method public void write(java.lang.String) throws java.io.IOException;
+    field public static final int RTT_MODE_FULL = 1; // 0x1
+    field public static final int RTT_MODE_HCO = 2; // 0x2
+    field public static final int RTT_MODE_VCO = 3; // 0x3
+  }
+
+  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {
+  }
+
   public final class CallAudioState implements android.os.Parcelable {
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
@@ -40152,6 +40174,7 @@
     field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1
     field public static final int CAPABILITY_MULTI_USER = 32; // 0x20
     field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10
+    field public static final int CAPABILITY_RTT = 4096; // 0x1000
     field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800
     field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4
     field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400
@@ -40428,6 +40451,7 @@
     field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";
     field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";
     field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";
+    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";
     field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
@@ -40583,6 +40607,7 @@
     field public static final java.lang.String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
     field public static final java.lang.String KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL = "simplified_network_settings_bool";
     field public static final java.lang.String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
+    field public static final java.lang.String KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL = "support_3gpp_call_forwarding_while_roaming_bool";
     field public static final java.lang.String KEY_SUPPORT_CONFERENCE_CALL_BOOL = "support_conference_call_bool";
     field public static final java.lang.String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
     field public static final java.lang.String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
@@ -42001,7 +42026,7 @@
 
 package android.test.suitebuilder {
 
-  public class TestMethod {
+  public deprecated class TestMethod {
     ctor public TestMethod(java.lang.reflect.Method, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(java.lang.String, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(junit.framework.TestCase);
@@ -42012,7 +42037,7 @@
     method public java.lang.String getName();
   }
 
-  public class TestSuiteBuilder {
+  public deprecated class TestSuiteBuilder {
     ctor public TestSuiteBuilder(java.lang.Class);
     ctor public TestSuiteBuilder(java.lang.String, java.lang.ClassLoader);
     method public android.test.suitebuilder.TestSuiteBuilder addRequirements(java.util.List<com.android.internal.util.Predicate<android.test.suitebuilder.TestMethod>>);
@@ -42025,7 +42050,7 @@
     method public android.test.suitebuilder.TestSuiteBuilder named(java.lang.String);
   }
 
-  public static class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
+  public static deprecated class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
     ctor public TestSuiteBuilder.FailedToCreateTests(java.lang.Exception);
     method public void testSuiteConstructionFailed();
   }
@@ -52752,7 +52777,7 @@
 
 package com.android.internal.util {
 
-  public abstract interface Predicate<T> {
+  public abstract deprecated interface Predicate<T> {
     method public abstract boolean apply(T);
   }
 
@@ -53082,7 +53107,7 @@
     method public static dalvik.system.DexFile loadDex(java.lang.String, java.lang.String, int) throws java.io.IOException;
   }
 
-  public final class InMemoryDexClassLoader extends java.lang.ClassLoader {
+  public final class InMemoryDexClassLoader extends dalvik.system.BaseDexClassLoader {
     ctor public InMemoryDexClassLoader(java.nio.ByteBuffer, java.lang.ClassLoader);
   }
 
diff --git a/api/test-current.txt b/api/test-current.txt
index dfc9bb1..866e058 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -8565,6 +8565,7 @@
     field public static final java.lang.String ACTION_CALL = "android.intent.action.CALL";
     field public static final java.lang.String ACTION_CALL_BUTTON = "android.intent.action.CALL_BUTTON";
     field public static final java.lang.String ACTION_CAMERA_BUTTON = "android.intent.action.CAMERA_BUTTON";
+    field public static final java.lang.String ACTION_CARRIER_SETUP = "android.intent.action.CARRIER_SETUP";
     field public static final java.lang.String ACTION_CHOOSER = "android.intent.action.CHOOSER";
     field public static final java.lang.String ACTION_CLOSE_SYSTEM_DIALOGS = "android.intent.action.CLOSE_SYSTEM_DIALOGS";
     field public static final java.lang.String ACTION_CONFIGURATION_CHANGED = "android.intent.action.CONFIGURATION_CHANGED";
@@ -36663,9 +36664,11 @@
     method public android.telecom.Call.Details getDetails();
     method public android.telecom.Call getParent();
     method public java.lang.String getRemainingPostDialSequence();
+    method public android.telecom.Call.RttCall getRttCall();
     method public int getState();
     method public android.telecom.InCallService.VideoCall getVideoCall();
     method public void hold();
+    method public boolean isRttActive();
     method public void mergeConference();
     method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);
     method public void playDtmfTone(char);
@@ -36677,9 +36680,12 @@
     method public void reject(boolean, java.lang.String);
     method public final void removeExtras(java.util.List<java.lang.String>);
     method public final void removeExtras(java.lang.String...);
+    method public void respondToRttRequest(int, boolean);
     method public void sendCallEvent(java.lang.String, android.os.Bundle);
+    method public void sendRttRequest();
     method public void splitFromConference();
     method public void stopDtmfTone();
+    method public void stopRtt();
     method public void swapConference();
     method public void unhold();
     method public void unregisterCallback(android.telecom.Call.Callback);
@@ -36706,6 +36712,9 @@
     method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);
     method public void onParentChanged(android.telecom.Call, android.telecom.Call);
     method public void onPostDialWait(android.telecom.Call, java.lang.String);
+    method public void onRttModeChanged(android.telecom.Call, int);
+    method public void onRttRequest(android.telecom.Call, int);
+    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);
     method public void onStateChanged(android.telecom.Call, int);
     method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);
   }
@@ -36759,6 +36768,19 @@
     field public static final int PROPERTY_WIFI = 8; // 0x8
   }
 
+  public static final class Call.RttCall {
+    method public int getRttAudioMode();
+    method public java.lang.String read();
+    method public void setRttMode(int);
+    method public void write(java.lang.String) throws java.io.IOException;
+    field public static final int RTT_MODE_FULL = 1; // 0x1
+    field public static final int RTT_MODE_HCO = 2; // 0x2
+    field public static final int RTT_MODE_VCO = 3; // 0x3
+  }
+
+  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {
+  }
+
   public final class CallAudioState implements android.os.Parcelable {
     ctor public CallAudioState(boolean, int, int);
     method public static java.lang.String audioRouteToString(int);
@@ -37130,6 +37152,7 @@
     field public static final int CAPABILITY_CALL_SUBJECT = 64; // 0x40
     field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1
     field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10
+    field public static final int CAPABILITY_RTT = 4096; // 0x1000
     field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800
     field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4
     field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400
@@ -37342,6 +37365,7 @@
     field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";
     field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";
     field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";
+    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";
     field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";
     field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
     field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
@@ -37495,6 +37519,7 @@
     field public static final java.lang.String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
     field public static final java.lang.String KEY_SIMPLIFIED_NETWORK_SETTINGS_BOOL = "simplified_network_settings_bool";
     field public static final java.lang.String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
+    field public static final java.lang.String KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL = "support_3gpp_call_forwarding_while_roaming_bool";
     field public static final java.lang.String KEY_SUPPORT_CONFERENCE_CALL_BOOL = "support_conference_call_bool";
     field public static final java.lang.String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
     field public static final java.lang.String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
@@ -38821,7 +38846,7 @@
 
 package android.test.suitebuilder {
 
-  public class TestMethod {
+  public deprecated class TestMethod {
     ctor public TestMethod(java.lang.reflect.Method, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(java.lang.String, java.lang.Class<? extends junit.framework.TestCase>);
     ctor public TestMethod(junit.framework.TestCase);
@@ -38832,7 +38857,7 @@
     method public java.lang.String getName();
   }
 
-  public class TestSuiteBuilder {
+  public deprecated class TestSuiteBuilder {
     ctor public TestSuiteBuilder(java.lang.Class);
     ctor public TestSuiteBuilder(java.lang.String, java.lang.ClassLoader);
     method public android.test.suitebuilder.TestSuiteBuilder addRequirements(java.util.List<com.android.internal.util.Predicate<android.test.suitebuilder.TestMethod>>);
@@ -38845,7 +38870,7 @@
     method public android.test.suitebuilder.TestSuiteBuilder named(java.lang.String);
   }
 
-  public static class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
+  public static deprecated class TestSuiteBuilder.FailedToCreateTests extends junit.framework.TestCase {
     ctor public TestSuiteBuilder.FailedToCreateTests(java.lang.Exception);
     method public void testSuiteConstructionFailed();
   }
@@ -49222,7 +49247,7 @@
 
 package com.android.internal.util {
 
-  public abstract interface Predicate<T> {
+  public abstract deprecated interface Predicate<T> {
     method public abstract boolean apply(T);
   }
 
@@ -49552,7 +49577,7 @@
     method public static dalvik.system.DexFile loadDex(java.lang.String, java.lang.String, int) throws java.io.IOException;
   }
 
-  public final class InMemoryDexClassLoader extends java.lang.ClassLoader {
+  public final class InMemoryDexClassLoader extends dalvik.system.BaseDexClassLoader {
     ctor public InMemoryDexClassLoader(java.nio.ByteBuffer, java.lang.ClassLoader);
   }
 
diff --git a/core/java/android/app/LoadedApk.java b/core/java/android/app/LoadedApk.java
index afe9651..e00a7f0 100644
--- a/core/java/android/app/LoadedApk.java
+++ b/core/java/android/app/LoadedApk.java
@@ -266,7 +266,7 @@
         setApplicationInfo(aInfo);
 
         final List<String> newPaths = new ArrayList<>();
-        makePaths(mActivityThread, aInfo, newPaths, null /*libPaths*/);
+        makePaths(mActivityThread, aInfo, newPaths);
         final List<String> addedPaths = new ArrayList<>(newPaths.size());
 
         if (oldPaths != null) {
@@ -314,8 +314,17 @@
         mCredentialProtectedDataDirFile = FileUtils.newFileOrNull(aInfo.credentialProtectedDataDir);
     }
 
-    public static void makePaths(ActivityThread activityThread, ApplicationInfo aInfo,
-            List<String> outZipPaths, List<String> outLibPaths) {
+    public static void makePaths(ActivityThread activityThread,
+                                 ApplicationInfo aInfo,
+                                 List<String> outZipPaths) {
+        makePaths(activityThread, false, aInfo, outZipPaths, null);
+    }
+
+    public static void makePaths(ActivityThread activityThread,
+                                 boolean isBundledApp,
+                                 ApplicationInfo aInfo,
+                                 List<String> outZipPaths,
+                                 List<String> outLibPaths) {
         final String appDir = aInfo.sourceDir;
         final String[] splitAppDirs = aInfo.splitSourceDirs;
         final String libDir = aInfo.nativeLibraryDir;
@@ -398,7 +407,7 @@
                 }
             }
 
-            if (aInfo.isSystemApp() && !aInfo.isUpdatedSystemApp()) {
+            if (isBundledApp) {
                 // Add path to system libraries to libPaths;
                 // Access to system libs should be limited
                 // to bundled applications; this is why updated
@@ -471,11 +480,12 @@
         // space and initialize to a small value (instead of incurring growth code).
         final List<String> zipPaths = new ArrayList<>(10);
         final List<String> libPaths = new ArrayList<>(10);
-        makePaths(mActivityThread, mApplicationInfo, zipPaths, libPaths);
 
         final boolean isBundledApp = mApplicationInfo.isSystemApp()
                 && !mApplicationInfo.isUpdatedSystemApp();
 
+        makePaths(mActivityThread, isBundledApp, mApplicationInfo, zipPaths, libPaths);
+
         String libraryPermittedPath = mDataDir;
         if (isBundledApp) {
             // This is necessary to grant bundled apps access to
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index c6aaa48..b7876d9 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -1096,6 +1096,15 @@
     public static final String ACTION_SIM_ACTIVATION_REQUEST =
             "android.intent.action.SIM_ACTIVATION_REQUEST";
     /**
+     * Activity Action: Main entry point for carrier setup apps.
+     * <p>Carrier apps that provide an implementation for this action may be invoked to configure
+     * carrier service and typically require
+     * {@link android.telephony.TelephonyManager#hasCarrierPrivileges() carrier privileges} to
+     * fulfill their duties.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_CARRIER_SETUP = "android.intent.action.CARRIER_SETUP";
+    /**
      * Activity Action: Send a message to someone specified by the data.
      * <p>Input: {@link #getData} is URI describing the target.
      * <p>Output: nothing.
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index c58fa43..30afdc2 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1421,8 +1421,8 @@
         l.networkCapabilities = netCap;
         l.delay = delay;
         l.expireSequenceNumber = 0;
-        l.networkRequest = sendRequestForNetwork(netCap, l.networkCallback, 0,
-                REQUEST, type);
+        l.networkRequest = sendRequestForNetwork(
+                netCap, l.networkCallback, 0, REQUEST, type, getDefaultHandler());
         if (l.networkRequest == null) return null;
         sLegacyRequests.put(netCap, l);
         sendExpireMsgForFeature(netCap, l.expireSequenceNumber, delay);
@@ -1432,7 +1432,7 @@
     private void sendExpireMsgForFeature(NetworkCapabilities netCap, int seqNum, int delay) {
         if (delay >= 0) {
             Log.d(TAG, "sending expire msg with seqNum " + seqNum + " and delay " + delay);
-            CallbackHandler handler = getHandler();
+            CallbackHandler handler = getDefaultHandler();
             Message msg = handler.obtainMessage(EXPIRE_LEGACY_REQUEST, seqNum, 0, netCap);
             handler.sendMessageDelayed(msg, delay);
         }
@@ -2751,6 +2751,10 @@
             super(looper);
         }
 
+        CallbackHandler(Handler handler) {
+            this(handler.getLooper());
+        }
+
         @Override
         public void handleMessage(Message message) {
             NetworkRequest request = getObject(message, NetworkRequest.class);
@@ -2860,7 +2864,7 @@
         }
     }
 
-    private CallbackHandler getHandler() {
+    private CallbackHandler getDefaultHandler() {
         synchronized (sCallbacks) {
             if (sCallbackHandler == null) {
                 sCallbackHandler = new CallbackHandler(ConnectivityThread.getInstanceLooper());
@@ -2875,11 +2879,6 @@
     private static final int LISTEN  = 1;
     private static final int REQUEST = 2;
 
-    private NetworkRequest sendRequestForNetwork(NetworkCapabilities need,
-            NetworkCallback callback, int timeoutMs, int action, int legacyType) {
-        return sendRequestForNetwork(need, callback, timeoutMs, action, legacyType, getHandler());
-    }
-
     private NetworkRequest sendRequestForNetwork(NetworkCapabilities need, NetworkCallback callback,
             int timeoutMs, int action, int legacyType, CallbackHandler handler) {
         if (callback == null) {
@@ -2924,9 +2923,10 @@
      * @hide
      */
     public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback,
-            int timeoutMs, int legacyType) {
-        sendRequestForNetwork(request.networkCapabilities, networkCallback, timeoutMs, REQUEST,
-                legacyType);
+            int timeoutMs, int legacyType, Handler handler) {
+        CallbackHandler cbHandler = new CallbackHandler(handler);
+        NetworkCapabilities nc = request.networkCapabilities;
+        sendRequestForNetwork(nc, networkCallback, timeoutMs, REQUEST, legacyType, cbHandler);
     }
 
     /**
@@ -2952,15 +2952,51 @@
      * {@link android.provider.Settings.System#canWrite}.</p>
      *
      * @param request {@link NetworkRequest} describing this request.
-     * @param networkCallback The {@link NetworkCallback} to be utilized for this
-     *                        request.  Note the callback must not be shared - they
-     *                        uniquely specify this request.
+     * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
+     *                        the callback must not be shared - it uniquely specifies this request.
+     *                        The callback is invoked on the default internal Handler.
      * @throws IllegalArgumentException if {@code request} specifies any mutable
      *         {@code NetworkCapabilities}.
      */
     public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback) {
-        requestNetwork(request, networkCallback, 0,
-                inferLegacyTypeForNetworkCapabilities(request.networkCapabilities));
+        requestNetwork(request, networkCallback, getDefaultHandler());
+    }
+
+    /**
+     * Request a network to satisfy a set of {@link android.net.NetworkCapabilities}.
+     *
+     * This {@link NetworkRequest} will live until released via
+     * {@link #unregisterNetworkCallback(NetworkCallback)} or the calling application exits.
+     * Status of the request can be followed by listening to the various
+     * callbacks described in {@link NetworkCallback}.  The {@link Network}
+     * can be used to direct traffic to the network.
+     * <p>It is presently unsupported to request a network with mutable
+     * {@link NetworkCapabilities} such as
+     * {@link NetworkCapabilities#NET_CAPABILITY_VALIDATED} or
+     * {@link NetworkCapabilities#NET_CAPABILITY_CAPTIVE_PORTAL}
+     * as these {@code NetworkCapabilities} represent states that a particular
+     * network may never attain, and whether a network will attain these states
+     * is unknown prior to bringing up the network so the framework does not
+     * know how to go about satisfing a request with these capabilities.
+     *
+     * <p>This method requires the caller to hold either the
+     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
+     * or the ability to modify system settings as determined by
+     * {@link android.provider.Settings.System#canWrite}.</p>
+     *
+     * @param request {@link NetworkRequest} describing this request.
+     * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
+     *                        the callback must not be shared - it uniquely specifies this request.
+     * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+     * @throws IllegalArgumentException if {@code request} specifies any mutable
+     *         {@code NetworkCapabilities}.
+     * @hide
+     */
+    public void requestNetwork(
+            NetworkRequest request, NetworkCallback networkCallback, Handler handler) {
+        int legacyType = inferLegacyTypeForNetworkCapabilities(request.networkCapabilities);
+        CallbackHandler cbHandler = new CallbackHandler(handler);
+        requestNetwork(request, networkCallback, 0, legacyType, cbHandler);
     }
 
     /**
@@ -2978,17 +3014,48 @@
      * {@link android.provider.Settings.System#canWrite}.</p>
      *
      * @param request {@link NetworkRequest} describing this request.
-     * @param networkCallback The callbacks to be utilized for this request.  Note
-     *                        the callbacks must not be shared - they uniquely specify
-     *                        this request.
+     * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
+     *                        the callback must not be shared - it uniquely specifies this request.
+     *                        The callback is invoked on the default internal Handler.
      * @param timeoutMs The time in milliseconds to attempt looking for a suitable network
      *                  before {@link NetworkCallback#onUnavailable()} is called.
      * @hide
      */
     public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback,
             int timeoutMs) {
-        requestNetwork(request, networkCallback, timeoutMs,
-                inferLegacyTypeForNetworkCapabilities(request.networkCapabilities));
+        int legacyType = inferLegacyTypeForNetworkCapabilities(request.networkCapabilities);
+        requestNetwork(request, networkCallback, timeoutMs, legacyType, getDefaultHandler());
+    }
+
+
+    /**
+     * Request a network to satisfy a set of {@link android.net.NetworkCapabilities}, limited
+     * by a timeout.
+     *
+     * This function behaves identically to the non-timedout version, but if a suitable
+     * network is not found within the given time (in milliseconds) the
+     * {@link NetworkCallback#onUnavailable} callback is called.  The request must
+     * still be released normally by calling {@link unregisterNetworkCallback(NetworkCallback)}.
+     *
+     * <p>This method requires the caller to hold either the
+     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
+     * or the ability to modify system settings as determined by
+     * {@link android.provider.Settings.System#canWrite}.</p>
+     *
+     * @param request {@link NetworkRequest} describing this request.
+     * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
+     *                        the callback must not be shared - it uniquely specifies this request.
+     * @param timeoutMs The time in milliseconds to attempt looking for a suitable network
+     *                  before {@link NetworkCallback#onUnavailable} is called.
+     * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+     *
+     * @hide
+     */
+    public void requestNetwork(NetworkRequest request, NetworkCallback networkCallback,
+            int timeoutMs, Handler handler) {
+        int legacyType = inferLegacyTypeForNetworkCapabilities(request.networkCapabilities);
+        CallbackHandler cbHandler = new CallbackHandler(handler);
+        requestNetwork(request, networkCallback, timeoutMs, legacyType, cbHandler);
     }
 
     /**
@@ -3102,9 +3169,30 @@
      * @param request {@link NetworkRequest} describing this request.
      * @param networkCallback The {@link NetworkCallback} that the system will call as suitable
      *                        networks change state.
+     *                        The callback is invoked on the default internal Handler.
      */
     public void registerNetworkCallback(NetworkRequest request, NetworkCallback networkCallback) {
-        sendRequestForNetwork(request.networkCapabilities, networkCallback, 0, LISTEN, TYPE_NONE);
+        registerNetworkCallback(request, networkCallback, getDefaultHandler());
+    }
+
+    /**
+     * Registers to receive notifications about all networks which satisfy the given
+     * {@link NetworkRequest}.  The callbacks will continue to be called until
+     * either the application exits or link #unregisterNetworkCallback(NetworkCallback)} is called.
+     * <p>This method requires the caller to hold the permission
+     * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}.
+     *
+     * @param request {@link NetworkRequest} describing this request.
+     * @param networkCallback The {@link NetworkCallback} that the system will call as suitable
+     *                        networks change state.
+     * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+     * @hide
+     */
+    public void registerNetworkCallback(
+            NetworkRequest request, NetworkCallback networkCallback, Handler handler) {
+        CallbackHandler cbHandler = new CallbackHandler(handler);
+        NetworkCapabilities nc = request.networkCapabilities;
+        sendRequestForNetwork(nc, networkCallback, 0, LISTEN, TYPE_NONE, cbHandler);
     }
 
     /**
@@ -3156,8 +3244,25 @@
      *
      * @param networkCallback The {@link NetworkCallback} that the system will call as the
      *                        system default network changes.
+     *                        The callback is invoked on the default internal Handler.
      */
     public void registerDefaultNetworkCallback(NetworkCallback networkCallback) {
+        registerDefaultNetworkCallback(networkCallback, getDefaultHandler());
+    }
+
+    /**
+     * Registers to receive notifications about changes in the system default network. The callbacks
+     * will continue to be called until either the application exits or
+     * {@link #unregisterNetworkCallback(NetworkCallback)} is called.
+     * <p>This method requires the caller to hold the permission
+     * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}.
+     *
+     * @param networkCallback The {@link NetworkCallback} that the system will call as the
+     *                        system default network changes.
+     * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
+     * @hide
+     */
+    public void registerDefaultNetworkCallback(NetworkCallback networkCallback, Handler handler) {
         // This works because if the NetworkCapabilities are null,
         // ConnectivityService takes them from the default request.
         //
@@ -3165,7 +3270,8 @@
         // capabilities, this request is guaranteed, at all times, to be
         // satisfied by the same network, if any, that satisfies the default
         // request, i.e., the system default network.
-        sendRequestForNetwork(null, networkCallback, 0, REQUEST, TYPE_NONE);
+        CallbackHandler cbHandler = new CallbackHandler(handler);
+        sendRequestForNetwork(null, networkCallback, 0, REQUEST, TYPE_NONE, cbHandler);
     }
 
     /**
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index b1dcb81..55b853d 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6416,6 +6416,12 @@
         public static final String DEVICE_PAIRED = "device_paired";
 
         /**
+         * Specifies additional package name for broadcasting the CMAS messages.
+         * @hide
+         */
+        public static final String CMAS_ADDITIONAL_BROADCAST_PKG = "cmas_additional_broadcast_pkg";
+
+        /**
          * This are the settings to be backed up.
          *
          * NOTE: Settings are backed up and restored in the order they appear
diff --git a/core/java/android/text/Hyphenator.java b/core/java/android/text/Hyphenator.java
index 356804e..80ec03e 100644
--- a/core/java/android/text/Hyphenator.java
+++ b/core/java/android/text/Hyphenator.java
@@ -189,7 +189,9 @@
         // TODO: replace this with a discovery-based method that looks into /system/usr/hyphen-data
         String[] availableLanguages = {
             "as",
+            "bg",
             "bn",
+            "cu",
             "cy",
             "da",
             "de-1901", "de-1996", "de-CH-1901",
diff --git a/core/java/android/webkit/WebViewZygote.java b/core/java/android/webkit/WebViewZygote.java
index 2d6f443..f9d7332 100644
--- a/core/java/android/webkit/WebViewZygote.java
+++ b/core/java/android/webkit/WebViewZygote.java
@@ -176,7 +176,7 @@
             // paths and pass them to the zygote as strings.
             final List<String> zipPaths = new ArrayList<>(10);
             final List<String> libPaths = new ArrayList<>(10);
-            LoadedApk.makePaths(null, sPackage.applicationInfo, zipPaths, libPaths);
+            LoadedApk.makePaths(null, false, sPackage.applicationInfo, zipPaths, libPaths);
             final String librarySearchPath = TextUtils.join(File.pathSeparator, libPaths);
             final String zip = (zipPaths.size() == 1) ? zipPaths.get(0) :
                     TextUtils.join(File.pathSeparator, zipPaths);
diff --git a/core/java/com/android/internal/util/Predicate.java b/core/java/com/android/internal/util/Predicate.java
index bc6d6b3..1b5eaff 100644
--- a/core/java/com/android/internal/util/Predicate.java
+++ b/core/java/com/android/internal/util/Predicate.java
@@ -25,7 +25,10 @@
  * <p/>
  * Implementors of Predicate which may cause side effects upon evaluation are
  * strongly encouraged to state this fact clearly in their API documentation.
+ *
+ * @deprecated Use {@code java.util.function.Predicate} instead.
  */
+@Deprecated
 public interface Predicate<T> {
 
     boolean apply(T t);
diff --git a/core/java/com/android/internal/util/StateMachine.java b/core/java/com/android/internal/util/StateMachine.java
index be10608df..d67cef3 100644
--- a/core/java/com/android/internal/util/StateMachine.java
+++ b/core/java/com/android/internal/util/StateMachine.java
@@ -23,6 +23,8 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.android.internal.annotations.VisibleForTesting;
+
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -1495,7 +1497,7 @@
     }
 
     /**
-     * @return number of log records
+     * @return the number of log records currently readable
      */
     public final int getLogRecSize() {
         // mSmHandler can be null if the state machine has quit.
@@ -1505,6 +1507,17 @@
     }
 
     /**
+     * @return the number of log records we can store
+     */
+    @VisibleForTesting
+    public final int getLogRecMaxSize() {
+        // mSmHandler can be null if the state machine has quit.
+        SmHandler smh = mSmHandler;
+        if (smh == null) return 0;
+        return smh.mLogRecords.mMaxSize;
+    }
+
+    /**
      * @return the total number of records processed
      */
     public final int getLogRecCount() {
diff --git a/core/jni/android_os_Debug.cpp b/core/jni/android_os_Debug.cpp
index 3a2df75..a758489 100644
--- a/core/jni/android_os_Debug.cpp
+++ b/core/jni/android_os_Debug.cpp
@@ -1027,17 +1027,13 @@
         env->ReleaseStringCritical(fileName, str);
     }
 
-    int fd = open(fileName8.string(), O_CREAT | O_WRONLY | O_NOFOLLOW, 0666);  /* -rw-rw-rw- */
+    int fd = open(fileName8.string(), O_CREAT | O_WRONLY | O_NOFOLLOW | O_CLOEXEC | O_APPEND, 0666);
     if (fd < 0) {
         fprintf(stderr, "Can't open %s: %s\n", fileName8.string(), strerror(errno));
         return;
     }
 
-    if (lseek(fd, 0, SEEK_END) < 0) {
-        fprintf(stderr, "lseek: %s\n", strerror(errno));
-    } else {
-        dump_backtrace_to_file_timeout(pid, fd, timeoutSecs);
-    }
+    dump_backtrace_to_file_timeout(pid, fd, timeoutSecs);
 
     close(fd);
 }
diff --git a/core/jni/android_os_seccomp.cpp b/core/jni/android_os_seccomp.cpp
index 45d5061..f1bc76e 100644
--- a/core/jni/android_os_seccomp.cpp
+++ b/core/jni/android_os_seccomp.cpp
@@ -65,11 +65,6 @@
 
 #pragma clang diagnostic pop
 
-inline static void AllowSyscall(filter& f, __u32 num) {
-    f.push_back(BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, num, 0, 1));
-    Allow(f);
-}
-
 inline static void ExamineSyscall(filter& f) {
     f.push_back(BPF_STMT(BPF_LD|BPF_W|BPF_ABS, syscall_nr));
 }
@@ -125,34 +120,6 @@
     // arm64-only filter - autogenerated from bionic syscall usage
     for (size_t i = 0; i < arm64_filter_size; ++i)
         f.push_back(arm64_filter[i]);
-
-    // Syscalls needed to boot Android
-    AllowSyscall(f, 41);  // __NR_pivot_root
-    AllowSyscall(f, 31);  // __NR_ioprio_get
-    AllowSyscall(f, 30);  // __NR_ioprio_set
-    AllowSyscall(f, 178); // __NR_gettid
-    AllowSyscall(f, 98);  // __NR_futex
-    AllowSyscall(f, 220); // __NR_clone
-    AllowSyscall(f, 139); // __NR_rt_sigreturn
-    AllowSyscall(f, 240); // __NR_rt_tgsigqueueinfo
-    AllowSyscall(f, 128); // __NR_restart_syscall
-    AllowSyscall(f, 278); // __NR_getrandom
-
-    // Needed for performance tools
-    AllowSyscall(f, 241); // __NR_perf_event_open
-
-    // Needed for strace
-    AllowSyscall(f, 130); // __NR_tkill
-
-    // Needed for kernel to restart syscalls
-    AllowSyscall(f, 128); // __NR_restart_syscall
-
-    // b/35034743
-    AllowSyscall(f, 267); // __NR_syncfs
-
-    // b/34763393
-    AllowSyscall(f, 277); // __NR_seccomp
-
     Trap(f);
 
     if (SetValidateArchitectureJumpTarget(offset_to_32bit_filter, f) != 0)
@@ -164,64 +131,6 @@
     // arm32 filter - autogenerated from bionic syscall usage
     for (size_t i = 0; i < arm_filter_size; ++i)
         f.push_back(arm_filter[i]);
-
-    // Syscalls needed to boot android
-    AllowSyscall(f, 120); // __NR_clone
-    AllowSyscall(f, 240); // __NR_futex
-    AllowSyscall(f, 119); // __NR_sigreturn
-    AllowSyscall(f, 173); // __NR_rt_sigreturn
-    AllowSyscall(f, 363); // __NR_rt_tgsigqueueinfo
-    AllowSyscall(f, 224); // __NR_gettid
-
-    // Syscalls needed to run Chrome
-    AllowSyscall(f, 383); // __NR_seccomp - needed to start Chrome
-    AllowSyscall(f, 384); // __NR_getrandom - needed to start Chrome
-
-    // Syscalls needed to run GFXBenchmark
-    AllowSyscall(f, 190); // __NR_vfork
-
-    // Needed for strace
-    AllowSyscall(f, 238); // __NR_tkill
-
-    // Needed for kernel to restart syscalls
-    AllowSyscall(f, 0);   // __NR_restart_syscall
-
-    // Needed for debugging 32-bit Chrome
-    AllowSyscall(f, 42);  // __NR_pipe
-
-    // b/34732712
-    AllowSyscall(f, 364); // __NR_perf_event_open
-
-    // b/34651972
-    AllowSyscall(f, 33);  // __NR_access
-    AllowSyscall(f, 195); // __NR_stat64
-
-    // b/34813887
-    AllowSyscall(f, 5);   // __NR_open
-    AllowSyscall(f, 141); // __NR_getdents
-    AllowSyscall(f, 217); // __NR_getdents64
-
-    // b/34719286
-    AllowSyscall(f, 351); // __NR_eventfd
-
-    // b/34817266
-    AllowSyscall(f, 252); // __NR_epoll_wait
-
-    // Needed by sanitizers (b/34606909)
-    // 5 (__NR_open) and 195 (__NR_stat64) are also required, but they are
-    // already allowed.
-    AllowSyscall(f, 85);  // __NR_readlink
-
-    // b/34908783
-    AllowSyscall(f, 250); // __NR_epoll_create
-
-    // b/34979910
-    AllowSyscall(f, 8);   // __NR_creat
-    AllowSyscall(f, 10);  // __NR_unlink
-
-    // b/35059702
-    AllowSyscall(f, 196); // __NR_lstat64
-
     Trap(f);
 
     return install_filter(f);
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 4ff78ea..09bf39c 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2683,6 +2683,6 @@
     <!-- An array of packages for which notifications cannot be blocked. -->
     <string-array translatable="false" name="config_nonBlockableNotificationPackages" />
 
-    <!-- Component name of the default cell broadcast receiver -->
-    <string name="config_defaultCellBroadcastReceiverComponent" translatable="false">com.android.cellbroadcastreceiver/.PrivilegedCellBroadcastReceiver</string>
+    <!-- Package name of the default cell broadcast receiver -->
+    <string name="config_defaultCellBroadcastReceiverPkg" translatable="false">com.android.cellbroadcastreceiver</string>
 </resources>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 426d2eb..4231698 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -101,6 +101,8 @@
     <!-- Displayed when the user dialed an MMI code whose function
          could not be performed because FDN is enabled. This will be displayed in a toast. -->
     <string name="mmiFdnError">Operation is restricted to fixed dialing numbers only.</string>
+    <!-- Displayed when a carrier does not support call forwarding queries when roaming. -->
+    <string name="mmiErrorWhileRoaming">Can not change call forwarding settings from your phone while you are roaming.</string>
 
     <!-- Displayed when a phone feature such as call barring was activated. -->
     <string name="serviceEnabled">Service was enabled.</string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index bdac134..dbeda0b 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -725,6 +725,7 @@
   <java-symbol type="string" name="mmiComplete" />
   <java-symbol type="string" name="mmiError" />
   <java-symbol type="string" name="mmiFdnError" />
+  <java-symbol type="string" name="mmiErrorWhileRoaming" />
   <java-symbol type="string" name="month_day_year" />
   <java-symbol type="string" name="more_item_label" />
   <java-symbol type="string" name="needPuk" />
@@ -2740,5 +2741,5 @@
 <!-- Network Recommendation -->
   <java-symbol type="array" name="config_networkRecommendationPackageNames" />
 
-  <java-symbol type="string" name="config_defaultCellBroadcastReceiverComponent" />
+  <java-symbol type="string" name="config_defaultCellBroadcastReceiverPkg" />
 </resources>
diff --git a/legacy-test/Android.mk b/legacy-test/Android.mk
index 0a814f3..05fec5e 100644
--- a/legacy-test/Android.mk
+++ b/legacy-test/Android.mk
@@ -50,5 +50,5 @@
 LOCAL_SRC_FILES := src/android/test/PerformanceTestCase.java
 LOCAL_MODULE := legacy-performance-test-hostdex
 
-include $(BUILD_HOST_DALVIK_JAVA_LIBRARY)
+include $(BUILD_HOST_DALVIK_STATIC_JAVA_LIBRARY)
 endif  # HOST_OS == linux
diff --git a/packages/CarrierDefaultApp/AndroidManifest.xml b/packages/CarrierDefaultApp/AndroidManifest.xml
index e2080b0..d910920 100644
--- a/packages/CarrierDefaultApp/AndroidManifest.xml
+++ b/packages/CarrierDefaultApp/AndroidManifest.xml
@@ -31,7 +31,7 @@
     <application android:label="@string/app_name" >
         <receiver android:name="com.android.carrierdefaultapp.CarrierDefaultBroadcastReceiver">
             <intent-filter>
-                <action android:name="android.intent.action.CARRIER_SIGNAL_REDIRECTED" />
+                <action android:name="com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED" />
             </intent-filter>
         </receiver>
         <activity android:name="com.android.carrierdefaultapp.CaptivePortalLaunchActivity"
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index 3627c29..064059b 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -57,6 +57,8 @@
     <string name="wifi_disabled_generic">Disabled</string>
     <!-- Status for networked disabled from a DNS or DHCP failure -->
     <string name="wifi_disabled_network_failure">IP Configuration Failure</string>
+    <!-- Status for networks disabled by the network recommendation provider -->
+    <string name="wifi_disabled_by_recommendation_provider">Not connected due to low quality network</string>
     <!-- Status for networked disabled from a wifi association failure -->
     <string name="wifi_disabled_wifi_failure">WiFi Connection Failure</string>
     <!-- Status for networks disabled from authentication failure (wrong password
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
index 2dbec5e..6166cd8 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
@@ -446,6 +446,8 @@
                     summary.append(mContext.getString(R.string.wifi_disabled_generic));
                     break;
             }
+        } else if (config != null && config.getNetworkSelectionStatus().isNotRecommended()) {
+            summary.append(mContext.getString(R.string.wifi_disabled_by_recommendation_provider));
         } else if (mRssi == Integer.MAX_VALUE) { // Wifi out of range
             summary.append(mContext.getString(R.string.wifi_not_in_range));
         } else { // In range, not disabled.
diff --git a/packages/SystemUI/res/drawable/stat_sys_signal_in.xml b/packages/SystemUI/res/drawable/stat_sys_signal_in.xml
new file mode 100644
index 0000000..7e6e09b
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_signal_in.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="17dp"
+        android:height="17dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="in"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M8.7,12.2l-2.0,3.5l-2.0,-3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_signal_inout.xml b/packages/SystemUI/res/drawable/stat_sys_signal_inout.xml
new file mode 100644
index 0000000..b7b6f0f
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_signal_inout.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="17dp"
+        android:height="17dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="in"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M8.7,12.2l-2.0,3.5l-2.0,-3.5z" />
+    <path
+        android:name="out"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M0.5,15.7l2.0,-3.5l2.0,3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_signal_out.xml b/packages/SystemUI/res/drawable/stat_sys_signal_out.xml
new file mode 100644
index 0000000..910c035
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_signal_out.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="17dp"
+        android:height="17dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="out"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M0.5,15.7l2.0,-3.5l2.0,3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_wifi_in.xml b/packages/SystemUI/res/drawable/stat_sys_wifi_in.xml
new file mode 100644
index 0000000..666127b
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_wifi_in.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="18.41dp"
+        android:height="17dp"
+        android:viewportWidth="26.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="in"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M8.7,18.3l-2.0,3.5l-2.0,-3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_wifi_inout.xml b/packages/SystemUI/res/drawable/stat_sys_wifi_inout.xml
new file mode 100644
index 0000000..eeba030
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_wifi_inout.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="18.41dp"
+        android:height="17dp"
+        android:viewportWidth="26.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="in"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M8.7,18.3l-2.0,3.5l-2.0,-3.5z" />
+    <path
+        android:name="out"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M0.5,21.8l2.0,-3.5l2.0,3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/stat_sys_wifi_out.xml b/packages/SystemUI/res/drawable/stat_sys_wifi_out.xml
new file mode 100644
index 0000000..d577d1a
--- /dev/null
+++ b/packages/SystemUI/res/drawable/stat_sys_wifi_out.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:autoMirrored="true"
+        android:width="18.41dp"
+        android:height="17dp"
+        android:viewportWidth="26.0"
+        android:viewportHeight="24.0">
+    <path
+        android:name="out"
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M0.5,21.8l2.0,-3.5l2.0,3.5z" />
+</vector>
diff --git a/packages/SystemUI/res/layout/mobile_signal_group.xml b/packages/SystemUI/res/layout/mobile_signal_group.xml
index a20ec8e..f597785 100644
--- a/packages/SystemUI/res/layout/mobile_signal_group.xml
+++ b/packages/SystemUI/res/layout/mobile_signal_group.xml
@@ -43,4 +43,10 @@
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
         />
+    <ImageView
+        android:id="@+id/mobile_inout"
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:visibility="gone"
+        />
 </FrameLayout>
diff --git a/packages/SystemUI/res/layout/signal_cluster_view.xml b/packages/SystemUI/res/layout/signal_cluster_view.xml
index d17601c..f0bfb92 100644
--- a/packages/SystemUI/res/layout/signal_cluster_view.xml
+++ b/packages/SystemUI/res/layout/signal_cluster_view.xml
@@ -70,6 +70,11 @@
             android:layout_width="wrap_content"
             android:alpha="0.0"
             />
+        <ImageView
+            android:id="@+id/wifi_inout"
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content"
+            />
     </FrameLayout>
     <View
         android:id="@+id/wifi_signal_spacer"
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index 74caa53..d36f572 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -75,6 +75,8 @@
     private boolean mWifiVisible = false;
     private int mWifiStrengthId = 0;
     private int mLastWifiStrengthId = -1;
+    private int mWifiActivityId = 0;
+    private int mLastWifiActivityId = -1;
     private boolean mIsAirplaneMode = false;
     private int mAirplaneIconId = 0;
     private int mLastAirplaneIconId = -1;
@@ -89,6 +91,7 @@
     ViewGroup mEthernetGroup, mWifiGroup;
     View mNoSimsCombo;
     ImageView mVpn, mEthernet, mWifi, mAirplane, mNoSims, mEthernetDark, mWifiDark, mNoSimsDark;
+    ImageView mWifiActivity;
     View mWifiAirplaneSpacer;
     View mWifiSignalSpacer;
     LinearLayout mMobileSignalGroup;
@@ -180,6 +183,7 @@
         mWifiGroup      = (ViewGroup) findViewById(R.id.wifi_combo);
         mWifi           = (ImageView) findViewById(R.id.wifi_signal);
         mWifiDark       = (ImageView) findViewById(R.id.wifi_signal_dark);
+        mWifiActivity   = (ImageView) findViewById(R.id.wifi_inout);
         mAirplane       = (ImageView) findViewById(R.id.airplane);
         mNoSims         = (ImageView) findViewById(R.id.no_sims);
         mNoSimsDark     = (ImageView) findViewById(R.id.no_sims_dark);
@@ -264,6 +268,10 @@
         mWifiVisible = statusIcon.visible && !mBlockWifi;
         mWifiStrengthId = statusIcon.icon;
         mWifiDescription = statusIcon.contentDescription;
+        mWifiActivityId = activityIn && activityOut ? R.drawable.stat_sys_wifi_inout
+                : activityIn ? R.drawable.stat_sys_wifi_in
+                : activityOut ? R.drawable.stat_sys_wifi_out
+                : 0;
 
         apply();
     }
@@ -282,6 +290,10 @@
         state.mMobileDescription = statusIcon.contentDescription;
         state.mMobileTypeDescription = typeContentDescription;
         state.mIsMobileTypeIconWide = statusType != 0 && isWide;
+        state.mMobileActivityId = activityIn && activityOut ? R.drawable.stat_sys_signal_inout
+                : activityIn ? R.drawable.stat_sys_signal_in
+                : activityOut ? R.drawable.stat_sys_signal_out
+                : 0;
 
         apply();
     }
@@ -404,6 +416,10 @@
             mWifiDark.setImageDrawable(null);
             mLastWifiStrengthId = -1;
         }
+        if (mWifiActivity !=  null) {
+            mWifiActivity.setImageDrawable(null);
+            mLastWifiActivityId = -1;
+        }
 
         for (PhoneState state : mPhoneStates) {
             if (state.mMobile != null) {
@@ -420,6 +436,10 @@
                 state.mMobileType.setImageDrawable(null);
                 state.mLastMobileTypeId = -1;
             }
+            if (state.mMobileActivity != null) {
+                state.mMobileActivity.setImageDrawable(null);
+                state.mLastMobileActivityId = -1;
+            }
         }
 
         if (mAirplane != null) {
@@ -473,6 +493,12 @@
                 setIconForView(mWifiDark, mWifiStrengthId);
                 mLastWifiStrengthId = mWifiStrengthId;
             }
+            if (mWifiActivityId != mLastWifiActivityId) {
+                if (mWifiActivityId != 0) {
+                    setIconForView(mWifiActivity, mWifiActivityId);
+                }
+                mLastWifiActivityId = mWifiActivityId;
+            }
             mWifiGroup.setContentDescription(mWifiDescription);
             mWifiGroup.setVisibility(View.VISIBLE);
         } else {
@@ -484,6 +510,8 @@
                     (mWifiVisible ? "VISIBLE" : "GONE"),
                     mWifiStrengthId));
 
+        mWifiActivity.setVisibility(mWifiActivityId != 0 ? View.VISIBLE : View.GONE);
+
         boolean anyMobileVisible = false;
         int firstMobileTypeId = 0;
         for (PhoneState state : mPhoneStates) {
@@ -560,6 +588,8 @@
         applyDarkIntensity(
                 StatusBarIconController.getDarkIntensity(mTintArea, mWifi, mDarkIntensity),
                 mWifi, mWifiDark);
+        setTint(mWifiActivity,
+                StatusBarIconController.getTint(mTintArea, mWifiActivity, mIconTint));
         applyDarkIntensity(
                 StatusBarIconController.getDarkIntensity(mTintArea, mEthernet, mDarkIntensity),
                 mEthernet, mEthernetDark);
@@ -584,14 +614,16 @@
     private class PhoneState {
         private final int mSubId;
         private boolean mMobileVisible = false;
-        private int mMobileStrengthId = 0, mMobileTypeId = 0;
+        private int mMobileStrengthId = 0, mMobileTypeId = 0, mMobileActivityId = 0;
         private int mLastMobileStrengthId = -1;
         private int mLastMobileTypeId = -1;
+        private int mLastMobileActivityId = -1;
         private boolean mIsMobileTypeIconWide;
         private String mMobileDescription, mMobileTypeDescription;
 
         private ViewGroup mMobileGroup;
         private ImageView mMobile, mMobileDark, mMobileType;
+        private ImageView mMobileActivity;
 
         public PhoneState(int subId, Context context) {
             ViewGroup root = (ViewGroup) LayoutInflater.from(context)
@@ -605,6 +637,7 @@
             mMobile         = (ImageView) root.findViewById(R.id.mobile_signal);
             mMobileDark     = (ImageView) root.findViewById(R.id.mobile_signal_dark);
             mMobileType     = (ImageView) root.findViewById(R.id.mobile_type);
+            mMobileActivity = (ImageView) root.findViewById(R.id.mobile_inout);
         }
 
         public boolean apply(boolean isSecondaryIcon) {
@@ -619,6 +652,11 @@
                     mMobileType.setImageResource(mMobileTypeId);
                     mLastMobileTypeId = mMobileTypeId;
                 }
+
+                if (mLastMobileActivityId != mMobileActivityId) {
+                    mMobileActivity.setImageResource(mMobileActivityId);
+                    mLastMobileActivityId = mMobileActivityId;
+                }
                 mMobileGroup.setContentDescription(mMobileTypeDescription
                         + " " + mMobileDescription);
                 mMobileGroup.setVisibility(View.VISIBLE);
@@ -640,6 +678,7 @@
                         (mMobileVisible ? "VISIBLE" : "GONE"), mMobileStrengthId, mMobileTypeId));
 
             mMobileType.setVisibility(mMobileTypeId != 0 ? View.VISIBLE : View.GONE);
+            mMobileActivity.setVisibility(mMobileActivityId != 0 ? View.VISIBLE : View.GONE);
 
             return mMobileVisible;
         }
@@ -699,6 +738,8 @@
                     StatusBarIconController.getDarkIntensity(tintArea, mMobile, darkIntensity),
                     mMobile, mMobileDark);
             setTint(mMobileType, StatusBarIconController.getTint(tintArea, mMobileType, tint));
+            setTint(mMobileActivity,
+                    StatusBarIconController.getTint(tintArea, mMobileActivity, tint));
         }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
index 37e6a2a..9380c45 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
@@ -690,6 +690,7 @@
             mDemoMode = true;
             mDemoInetCondition = mInetCondition;
             mDemoWifiState = mWifiSignalController.getState();
+            mDemoWifiState.ssid = "DemoMode";
         } else if (mDemoMode && command.equals(COMMAND_EXIT)) {
             if (DEBUG) Log.d(TAG, "Exiting demo mode");
             mDemoMode = false;
@@ -735,6 +736,25 @@
                             : Math.min(Integer.parseInt(level), WifiIcons.WIFI_LEVEL_COUNT - 1);
                     mDemoWifiState.connected = mDemoWifiState.level >= 0;
                 }
+                String activity = args.getString("activity");
+                if (activity != null) {
+                    switch (activity) {
+                        case "inout":
+                            mWifiSignalController.setActivity(WifiManager.DATA_ACTIVITY_INOUT);
+                            break;
+                        case "in":
+                            mWifiSignalController.setActivity(WifiManager.DATA_ACTIVITY_IN);
+                            break;
+                        case "out":
+                            mWifiSignalController.setActivity(WifiManager.DATA_ACTIVITY_OUT);
+                            break;
+                        default:
+                            mWifiSignalController.setActivity(WifiManager.DATA_ACTIVITY_NONE);
+                            break;
+                    }
+                } else {
+                    mWifiSignalController.setActivity(WifiManager.DATA_ACTIVITY_NONE);
+                }
                 mDemoWifiState.enabled = show;
                 mWifiSignalController.notifyListeners();
             }
@@ -797,6 +817,26 @@
                             : Math.min(Integer.parseInt(level), icons[0].length - 1);
                     controller.getState().connected = controller.getState().level >= 0;
                 }
+                String activity = args.getString("activity");
+                if (activity != null) {
+                    controller.getState().dataConnected = true;
+                    switch (activity) {
+                        case "inout":
+                            controller.setActivity(TelephonyManager.DATA_ACTIVITY_INOUT);
+                            break;
+                        case "in":
+                            controller.setActivity(TelephonyManager.DATA_ACTIVITY_IN);
+                            break;
+                        case "out":
+                            controller.setActivity(TelephonyManager.DATA_ACTIVITY_OUT);
+                            break;
+                        default:
+                            controller.setActivity(TelephonyManager.DATA_ACTIVITY_NONE);
+                            break;
+                    }
+                } else {
+                    controller.setActivity(TelephonyManager.DATA_ACTIVITY_NONE);
+                }
                 controller.getState().enabled = show;
                 controller.notifyListeners();
             }
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java b/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
index 0a3197c..1b520b4 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/DemoModeFragment.java
@@ -163,7 +163,7 @@
         intent.putExtra("sims", "1");
         intent.putExtra("nosim", "false");
         intent.putExtra("level", "4");
-        intent.putExtra("datatypel", "");
+        intent.putExtra("datatype", "lte");
         getContext().sendBroadcast(intent);
 
         // Need to send this after so that the sim controller already exists.
diff --git a/proto/src/wifi.proto b/proto/src/wifi.proto
index bfb7041..9aa6490 100644
--- a/proto/src/wifi.proto
+++ b/proto/src/wifi.proto
@@ -435,9 +435,28 @@
 
 // Number of occurrences of a soft AP session return code
 message SoftApReturnCodeCount {
-  // Return code of the soft AP session
-  optional int32 return_code = 1;
+
+  enum SoftApStartResult {
+
+    // SoftApManager return code unknown
+    SOFT_AP_RETURN_CODE_UNKNOWN = 0;
+
+    // SoftAp started successfully
+    SOFT_AP_STARTED_SUCCESSFULLY = 1;
+
+    // Catch all for failures with no specific failure reason
+    SOFT_AP_FAILED_GENERAL_ERROR = 2;
+
+    // SoftAp failed to start due to NO_CHANNEL error
+    SOFT_AP_FAILED_NO_CHANNEL = 3;
+  }
+
+  // Historical, no longer used for writing as of 01/2017.
+  optional int32 return_code = 1 [deprecated = true];
 
   // Occurences of this soft AP return code
   optional int32 count = 2;
+
+  // Result of attempt to start SoftAp
+  optional SoftApStartResult start_result = 3;
 }
diff --git a/rs/jni/Android.mk b/rs/jni/Android.mk
index bf3681b..447a47d 100644
--- a/rs/jni/Android.mk
+++ b/rs/jni/Android.mk
@@ -19,22 +19,17 @@
 
 LOCAL_STATIC_LIBRARIES :=
 
-rs_generated_include_dir := $(call intermediates-dir-for,SHARED_LIBRARIES,libRS,,)
-
 LOCAL_C_INCLUDES += \
     $(JNI_H_INCLUDE) \
     frameworks/rs \
     frameworks/base/core/jni \
-    frameworks/base/libs/hwui \
-    $(rs_generated_include_dir)
+    frameworks/base/libs/hwui
 
 LOCAL_CFLAGS += -Wno-unused-parameter
 LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
 
-LOCAL_ADDITIONAL_DEPENDENCIES := $(addprefix $(rs_generated_include_dir)/,rsgApiFuncDecl.h)
 LOCAL_MODULE:= librs_jni
-LOCAL_ADDITIONAL_DEPENDENCIES += $(rs_generated_source)
 LOCAL_MODULE_TAGS := optional
-LOCAL_REQUIRED_MODULES := libRS libRSDriver
+LOCAL_REQUIRED_MODULES := libRS
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index af370ff..2300da3 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -35,8 +35,8 @@
 #include "android_runtime/android_util_AssetManager.h"
 #include "android/graphics/GraphicsJNI.h"
 
-#include <rs.h>
 #include <rsEnv.h>
+#include <rsApiStubs.h>
 #include <gui/Surface.h>
 #include <gui/GLConsumer.h>
 #include <android_runtime/android_graphics_SurfaceTexture.h>
@@ -1134,7 +1134,7 @@
     // we will pack mType; mKind; mNormalized; mVectorSize; NumSubElements
     assert(dataSize == 5);
 
-    uintptr_t elementData[5];
+    uint32_t elementData[5];
     rsaElementGetNativeData((RsContext)con, (RsElement)id, elementData, dataSize);
 
     for(jint i = 0; i < dataSize; i ++) {
@@ -1157,7 +1157,7 @@
 
     uintptr_t *ids = (uintptr_t*)malloc(dataSize * sizeof(uintptr_t));
     const char **names = (const char **)malloc(dataSize * sizeof(const char *));
-    uint32_t *arraySizes = (uint32_t *)malloc(dataSize * sizeof(uint32_t));
+    size_t *arraySizes = (size_t *)malloc(dataSize * sizeof(size_t));
 
     rsaElementGetSubElements((RsContext)con, (RsElement)id, ids, names, arraySizes,
                              (uint32_t)dataSize);
diff --git a/services/core/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java b/services/core/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
index 63024db..6106093 100644
--- a/services/core/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
+++ b/services/core/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitor.java
@@ -20,6 +20,8 @@
 import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
 
 import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
 import android.net.LinkProperties;
@@ -72,6 +74,7 @@
 
     private final Context mContext;
     private final StateMachine mTarget;
+    private final Handler mHandler;
     private final int mWhat;
     private final HashMap<Network, NetworkState> mNetworkMap = new HashMap<>();
     private ConnectivityManager mCM;
@@ -84,6 +87,7 @@
     public UpstreamNetworkMonitor(Context ctx, StateMachine tgt, int what) {
         mContext = ctx;
         mTarget = tgt;
+        mHandler = mTarget.getHandler();
         mWhat = what;
     }
 
@@ -99,10 +103,10 @@
         final NetworkRequest listenAllRequest = new NetworkRequest.Builder()
                 .clearCapabilities().build();
         mListenAllCallback = new UpstreamNetworkCallback(CALLBACK_LISTEN_ALL);
-        cm().registerNetworkCallback(listenAllRequest, mListenAllCallback);
+        cm().registerNetworkCallback(listenAllRequest, mListenAllCallback, mHandler);
 
         mDefaultNetworkCallback = new UpstreamNetworkCallback(CALLBACK_TRACK_DEFAULT);
-        cm().registerDefaultNetworkCallback(mDefaultNetworkCallback);
+        cm().registerDefaultNetworkCallback(mDefaultNetworkCallback, mHandler);
     }
 
     public void stop() {
@@ -154,7 +158,7 @@
         // Additionally, we log a message to aid in any subsequent debugging.
         Log.d(TAG, "requesting mobile upstream network: " + mobileUpstreamRequest);
 
-        cm().requestNetwork(mobileUpstreamRequest, mMobileNetworkCallback, 0, legacyType);
+        cm().requestNetwork(mobileUpstreamRequest, mMobileNetworkCallback, 0, legacyType, mHandler);
     }
 
     public void releaseMobileNetworkRequest() {
@@ -185,11 +189,13 @@
             case CALLBACK_TRACK_DEFAULT:
                 if (mDefaultNetworkCallback == null) {
                     // The callback was unregistered in the interval between
-                    // ConnectivityService calling onAvailable() and our
-                    // handling of it here on the mTarget.getHandler() thread.
+                    // ConnectivityService enqueueing onAvailable() and our
+                    // handling of it here on the mHandler thread.
+                    //
                     // Clean-up of this network entry is deferred to the
                     // handling of onLost() by other callbacks.
-                    // TODO: change to Log.wtf() after oag/331764 is merged.
+                    //
+                    // These request*() calls can be deleted post oag/339444.
                     return;
                 }
 
@@ -200,11 +206,13 @@
             case CALLBACK_MOBILE_REQUEST:
                 if (mMobileNetworkCallback == null) {
                     // The callback was unregistered in the interval between
-                    // ConnectivityService calling onAvailable() and our
-                    // handling of it here on the mTarget.getHandler() thread.
+                    // ConnectivityService enqueueing onAvailable() and our
+                    // handling of it here on the mHandler thread.
+                    //
                     // Clean-up of this network entry is deferred to the
                     // handling of onLost() by other callbacks.
-                    // TODO: change to Log.wtf() after oag/331764 is merged.
+                    //
+                    // These request*() calls can be deleted post oag/339444.
                     return;
                 }
 
@@ -312,8 +320,9 @@
     }
 
     /**
-     * A NetworkCallback class that relays information of interest to the
-     * tethering master state machine thread for subsequent processing.
+     * A NetworkCallback class that handles information of interest directly
+     * in the thread on which it is invoked. To avoid locking, this MUST be
+     * run on the same thread as the target state machine's handler.
      */
     private class UpstreamNetworkCallback extends NetworkCallback {
         private final int mCallbackType;
@@ -324,22 +333,35 @@
 
         @Override
         public void onAvailable(Network network) {
-            mTarget.getHandler().post(() -> handleAvailable(mCallbackType, network));
+            checkExpectedThread();
+            handleAvailable(mCallbackType, network);
         }
 
         @Override
         public void onCapabilitiesChanged(Network network, NetworkCapabilities newNc) {
-            mTarget.getHandler().post(() -> handleNetCap(network, newNc));
+            checkExpectedThread();
+            handleNetCap(network, newNc);
         }
 
         @Override
         public void onLinkPropertiesChanged(Network network, LinkProperties newLp) {
-            mTarget.getHandler().post(() -> handleLinkProp(network, newLp));
+            checkExpectedThread();
+            handleLinkProp(network, newLp);
         }
 
+        // TODO: Handle onNetworkSuspended();
+        // TODO: Handle onNetworkResumed();
+
         @Override
         public void onLost(Network network) {
-            mTarget.getHandler().post(() -> handleLost(mCallbackType, network));
+            checkExpectedThread();
+            handleLost(mCallbackType, network);
+        }
+
+        private void checkExpectedThread() {
+            if (Looper.myLooper() != mHandler.getLooper()) {
+                Log.wtf(TAG, "Handling callback in unexpected thread.");
+            }
         }
     }
 
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index ed5bb07..de4a55b 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -557,6 +557,8 @@
         boolean disableCameraService = SystemProperties.getBoolean("config.disable_cameraservice",
                 false);
 
+        boolean isEmulator = SystemProperties.get("ro.kernel.qemu").equals("1");
+
         try {
             Slog.i(TAG, "Reading configuration...");
             SystemConfig.getInstance();
@@ -643,7 +645,12 @@
             // TODO: Use service dependencies instead.
             mDisplayManagerService.windowManagerAndInputReady();
 
-            if (mFactoryTestMode == FactoryTest.FACTORY_TEST_LOW_LEVEL) {
+            // Skip Bluetooth if we have an emulator kernel
+            // TODO: Use a more reliable check to see if this product should
+            // support Bluetooth - see bug 988521
+            if (isEmulator) {
+                Slog.i(TAG, "No Bluetooth Service (emulator)");
+            } else if (mFactoryTestMode == FactoryTest.FACTORY_TEST_LOW_LEVEL) {
                 Slog.i(TAG, "No Bluetooth Service (factory test)");
             } else if (!context.getPackageManager().hasSystemFeature
                        (PackageManager.FEATURE_BLUETOOTH)) {
diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index c69b7c2..d67a0d6 100644
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -16,12 +16,21 @@
 
 package android.telecom;
 
+import android.annotation.IntDef;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.ParcelFileDescriptor;
 
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
 import java.lang.String;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -828,6 +837,142 @@
          * @param extras Extras associated with the connection event.
          */
         public void onConnectionEvent(Call call, String event, Bundle extras) {}
+
+        /**
+         * Invoked when the RTT mode changes for this call.
+         * @param call The call whose RTT mode has changed.
+         * @param mode the new RTT mode, one of
+         * {@link RttCall#RTT_MODE_FULL}, {@link RttCall#RTT_MODE_HCO},
+         *             or {@link RttCall#RTT_MODE_VCO}
+         */
+        public void onRttModeChanged(Call call, int mode) {}
+
+        /**
+         * Invoked when the call's RTT status changes, either from off to on or from on to off.
+         * @param call The call whose RTT status has changed.
+         * @param enabled whether RTT is now enabled or disabled
+         * @param rttCall the {@link RttCall} object to use for reading and writing if RTT is now
+         *                on, null otherwise.
+         */
+        public void onRttStatusChanged(Call call, boolean enabled, RttCall rttCall) {}
+
+        /**
+         * Invoked when the remote end of the connection has requested that an RTT communication
+         * channel be opened. A response to this should be sent via {@link #respondToRttRequest}
+         * with the same ID that this method is invoked with.
+         * @param call The call which the RTT request was placed on
+         * @param id The ID of the request.
+         */
+        public void onRttRequest(Call call, int id) {}
+    }
+
+    /**
+     * A class that holds the state that describes the state of the RTT channel to the remote
+     * party, if it is active.
+     */
+    public static final class RttCall {
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef({RTT_MODE_INVALID, RTT_MODE_FULL, RTT_MODE_HCO, RTT_MODE_VCO})
+        public @interface RttAudioMode {}
+
+        /**
+         * For metrics use. Default value in the proto.
+         * @hide
+         */
+        public static final int RTT_MODE_INVALID = 0;
+
+        /**
+         * Indicates that there should be a bidirectional audio stream between the two parties
+         * on the call.
+         */
+        public static final int RTT_MODE_FULL = 1;
+
+        /**
+         * Indicates that the local user should be able to hear the audio stream from the remote
+         * user, but not vice versa. Equivalent to muting the microphone.
+         */
+        public static final int RTT_MODE_HCO = 2;
+
+        /**
+         * Indicates that the remote user should be able to hear the audio stream from the local
+         * user, but not vice versa. Equivalent to setting the volume to zero.
+         */
+        public static final int RTT_MODE_VCO = 3;
+
+        private static final int READ_BUFFER_SIZE = 1000;
+
+        private InputStreamReader mReceiveStream;
+        private OutputStreamWriter mTransmitStream;
+        private int mRttMode;
+        private final InCallAdapter mInCallAdapter;
+        private char[] mReadBuffer = new char[READ_BUFFER_SIZE];
+
+        /**
+         * @hide
+         */
+        public RttCall(InputStreamReader receiveStream, OutputStreamWriter transmitStream,
+                int mode, InCallAdapter inCallAdapter) {
+            mReceiveStream = receiveStream;
+            mTransmitStream = transmitStream;
+            mRttMode = mode;
+            mInCallAdapter = inCallAdapter;
+        }
+
+        /**
+         * Returns the current RTT audio mode.
+         * @return Current RTT audio mode. One of {@link #RTT_MODE_FULL}, {@link #RTT_MODE_VCO}, or
+         * {@link #RTT_MODE_HCO}.
+         */
+        public int getRttAudioMode() {
+            return mRttMode;
+        }
+
+        /**
+         * Sets the RTT audio mode. The requested mode change will be communicated through
+         * {@link Callback#onRttModeChanged(Call, int)}.
+         * @param mode The desired RTT audio mode, one of {@link #RTT_MODE_FULL},
+         * {@link #RTT_MODE_VCO}, or {@link #RTT_MODE_HCO}.
+         */
+        public void setRttMode(@RttAudioMode int mode) {
+            mInCallAdapter.setRttMode(mode);
+        }
+
+        /**
+         * Writes the string {@param input} into the outgoing text stream for this RTT call. Since
+         * RTT transmits text in real-time, this method should be called once for each character
+         * the user enters into the device.
+         *
+         * This method is not thread-safe -- calling it from multiple threads simultaneously may
+         * lead to interleaved text.
+         * @param input The message to send to the remote user.
+         */
+        public void write(String input) throws IOException {
+            mTransmitStream.write(input);
+            mTransmitStream.flush();
+        }
+
+        /**
+         * Reads a string from the remote user, blocking if there is no data available. Returns
+         * {@code null} if the RTT conversation has been terminated and there is no further data
+         * to read.
+         *
+         * This method is not thread-safe -- calling it from multiple threads simultaneously may
+         * lead to interleaved text.
+         * @return A string containing text sent by the remote user, or {@code null} if the
+         * conversation has been terminated or if there was an error while reading.
+         */
+        public String read() {
+            try {
+                int numRead = mReceiveStream.read(mReadBuffer, 0, READ_BUFFER_SIZE);
+                if (numRead < 0) {
+                    return null;
+                }
+                return new String(mReadBuffer, 0, numRead);
+            } catch (IOException e) {
+                Log.w(this, "Exception encountered when reading from InputStreamReader: %s", e);
+                return null;
+            }
+        }
     }
 
     /**
@@ -856,6 +1001,7 @@
     private String mCallingPackage;
     private String mRemainingPostDialSequence;
     private VideoCallImpl mVideoCallImpl;
+    private RttCall mRttCall;
     private Details mDetails;
     private Bundle mExtras;
 
@@ -1054,6 +1200,34 @@
     }
 
     /**
+     * Sends an RTT upgrade request to the remote end of the connection. Success is not
+     * guaranteed, and notification of success will be via the
+     * {@link Callback#onRttStatusChanged(Call, boolean, RttCall)} callback.
+     */
+    public void sendRttRequest() {
+        mInCallAdapter.sendRttRequest();
+    }
+
+    /**
+     * Responds to an RTT request received via the {@link Callback#onRttRequest(Call, int)} )}
+     * callback.
+     * The ID used here should be the same as the ID that was received via the callback.
+     * @param id The request ID received via {@link Callback#onRttRequest(Call, int)}
+     * @param accept {@code true} if the RTT request should be accepted, {@code false} otherwise.
+     */
+    public void respondToRttRequest(int id, boolean accept) {
+        mInCallAdapter.respondToRttRequest(id, accept);
+    }
+
+    /**
+     * Terminate the RTT session on this call. The resulting state change will be notified via
+     * the {@link Callback#onRttStatusChanged(Call, boolean, RttCall)} callback.
+     */
+    public void stopRtt() {
+        mInCallAdapter.stopRtt();
+    }
+
+    /**
      * Adds some extras to this {@link Call}.  Existing keys are replaced and new ones are
      * added.
      * <p>
@@ -1233,6 +1407,23 @@
     }
 
     /**
+     * Returns this call's RttCall object. The {@link RttCall} instance is used to send and
+     * receive RTT text data, as well as to change the RTT mode.
+     * @return A {@link Call.RttCall}. {@code null} if there is no active RTT connection.
+     */
+    public @Nullable RttCall getRttCall() {
+        return mRttCall;
+    }
+
+    /**
+     * Returns whether this call has an active RTT connection.
+     * @return true if there is a connection, false otherwise.
+     */
+    public boolean isRttActive() {
+        return mRttCall != null;
+    }
+
+    /**
      * Registers a callback to this {@code Call}.
      *
      * @param callback A {@code Callback}.
@@ -1426,6 +1617,32 @@
             fireConferenceableCallsChanged();
         }
 
+        boolean isRttChanged = false;
+        boolean rttModeChanged = false;
+        if (parcelableCall.getParcelableRttCall() != null && parcelableCall.getIsRttCallChanged()) {
+            ParcelableRttCall parcelableRttCall = parcelableCall.getParcelableRttCall();
+            InputStreamReader receiveStream = new InputStreamReader(
+                    new ParcelFileDescriptor.AutoCloseInputStream(
+                            parcelableRttCall.getReceiveStream()),
+                    StandardCharsets.UTF_8);
+            OutputStreamWriter transmitStream = new OutputStreamWriter(
+                    new ParcelFileDescriptor.AutoCloseOutputStream(
+                            parcelableRttCall.getTransmitStream()),
+                    StandardCharsets.UTF_8);
+            RttCall newRttCall = new Call.RttCall(
+                    receiveStream, transmitStream, parcelableRttCall.getRttMode(), mInCallAdapter);
+            if (mRttCall == null) {
+                isRttChanged = true;
+            } else if (mRttCall.getRttAudioMode() != newRttCall.getRttAudioMode()) {
+                rttModeChanged = true;
+            }
+            mRttCall = newRttCall;
+        } else if (mRttCall != null && parcelableCall.getParcelableRttCall() == null
+                && parcelableCall.getIsRttCallChanged()) {
+            isRttChanged = true;
+            mRttCall = null;
+        }
+
         // Now we fire updates, ensuring that any client who listens to any of these notifications
         // gets the most up-to-date state.
 
@@ -1447,6 +1664,12 @@
         if (childrenChanged) {
             fireChildrenChanged(getChildren());
         }
+        if (isRttChanged) {
+            fireOnIsRttChanged(mRttCall != null, mRttCall);
+        }
+        if (rttModeChanged) {
+            fireOnRttModeChanged(mRttCall.getRttAudioMode());
+        }
 
         // If we have transitioned to DISCONNECTED, that means we need to notify clients and
         // remove ourselves from the Phone. Note that we do this after completing all state updates
@@ -1477,6 +1700,15 @@
         fireOnConnectionEvent(event, extras);
     }
 
+    /** {@hide} */
+    final void internalOnRttUpgradeRequest(final int requestId) {
+        for (CallbackRecord<Callback> record : mCallbackRecords) {
+            final Call call = this;
+            final Callback callback = record.getCallback();
+            record.getHandler().post(() -> callback.onRttRequest(call, requestId));
+        }
+    }
+
     private void fireStateChanged(final int newState) {
         for (CallbackRecord<Callback> record : mCallbackRecords) {
             final Call call = this;
@@ -1645,6 +1877,32 @@
     }
 
     /**
+     * Notifies listeners of an RTT on/off change
+     *
+     * @param enabled True if RTT is now enabled, false otherwise
+     */
+    private void fireOnIsRttChanged(final boolean enabled, final RttCall rttCall) {
+        for (CallbackRecord<Callback> record : mCallbackRecords) {
+            final Call call = this;
+            final Callback callback = record.getCallback();
+            record.getHandler().post(() -> callback.onRttStatusChanged(call, enabled, rttCall));
+        }
+    }
+
+    /**
+     * Notifies listeners of a RTT mode change
+     *
+     * @param mode The new RTT mode
+     */
+    private void fireOnRttModeChanged(final int mode) {
+        for (CallbackRecord<Callback> record : mCallbackRecords) {
+            final Call call = this;
+            final Callback callback = record.getCallback();
+            record.getHandler().post(() -> callback.onRttModeChanged(call, mode));
+        }
+    }
+
+    /**
      * Determines if two bundles are equal.
      *
      * @param bundle The original bundle.
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index b7391b4..3e690b9 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -31,10 +31,14 @@
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
+import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
 import android.util.ArraySet;
 import android.view.Surface;
 
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -385,8 +389,14 @@
      */
     public static final int PROPERTY_SELF_MANAGED = 1<<7;
 
+    /**
+     * When set, indicates that a connection has an active RTT session associated with it.
+     * @hide
+     */
+    public static final int PROPERTY_IS_RTT = 1 << 8;
+
     //**********************************************************************************************
-    // Next PROPERTY value: 1<<8
+    // Next PROPERTY value: 1<<9
     //**********************************************************************************************
 
     /**
@@ -757,6 +767,65 @@
     }
 
     /**
+     * Provides methods to read and write RTT data to/from the in-call app.
+     * @hide
+     */
+    public static final class RttTextStream {
+        private static final int READ_BUFFER_SIZE = 1000;
+        private final InputStreamReader mPipeFromInCall;
+        private final OutputStreamWriter mPipeToInCall;
+        private char[] mReadBuffer = new char[READ_BUFFER_SIZE];
+
+        /**
+         * @hide
+         */
+        public RttTextStream(ParcelFileDescriptor toInCall, ParcelFileDescriptor fromInCall) {
+            mPipeFromInCall = new InputStreamReader(
+                    new ParcelFileDescriptor.AutoCloseInputStream(fromInCall));
+            mPipeToInCall = new OutputStreamWriter(
+                    new ParcelFileDescriptor.AutoCloseOutputStream(toInCall));
+        }
+
+        /**
+         * Writes the string {@param input} into the text stream to the UI for this RTT call. Since
+         * RTT transmits text in real-time, this method should be called as often as text snippets
+         * are received from the remote user, even if it is only one character.
+         *
+         * This method is not thread-safe -- calling it from multiple threads simultaneously may
+         * lead to interleaved text.
+         * @param input The message to send to the in-call app.
+         */
+        public void write(String input) throws IOException {
+            mPipeToInCall.write(input);
+            mPipeToInCall.flush();
+        }
+
+
+        /**
+         * Reads a string from the in-call app, blocking if there is no data available. Returns
+         * {@code null} if the RTT conversation has been terminated and there is no further data
+         * to read.
+         *
+         * This method is not thread-safe -- calling it from multiple threads simultaneously may
+         * lead to interleaved text.
+         * @return A string containing text entered by the user, or {@code null} if the
+         * conversation has been terminated or if there was an error while reading.
+         */
+        public String read() {
+            try {
+                int numRead = mPipeFromInCall.read(mReadBuffer, 0, READ_BUFFER_SIZE);
+                if (numRead < 0) {
+                    return null;
+                }
+                return new String(mReadBuffer, 0, numRead);
+            } catch (IOException e) {
+                Log.w(this, "Exception encountered when reading from InputStreamReader: %s", e);
+                return null;
+            }
+        }
+    }
+
+    /**
      * Provides a means of controlling the video session associated with a {@link Connection}.
      * <p>
      * Implementations create a custom subclass of {@link VideoProvider} and the
diff --git a/telecomm/java/android/telecom/ConnectionRequest.java b/telecomm/java/android/telecom/ConnectionRequest.java
index 2343462..054de4c 100644
--- a/telecomm/java/android/telecom/ConnectionRequest.java
+++ b/telecomm/java/android/telecom/ConnectionRequest.java
@@ -19,6 +19,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
 import android.os.Parcelable;
 
 /**
@@ -27,13 +28,121 @@
  */
 public final class ConnectionRequest implements Parcelable {
 
-    // TODO: Token to limit recursive invocations
+    /**
+     * Builder class for {@link ConnectionRequest}
+     * @hide
+     */
+    public static final class Builder {
+        private PhoneAccountHandle mAccountHandle;
+        private Uri mAddress;
+        private Bundle mExtras;
+        private int mVideoState = VideoProfile.STATE_AUDIO_ONLY;
+        private String mTelecomCallId;
+        private boolean mShouldShowIncomingCallUi = false;
+        private ParcelFileDescriptor mRttPipeToInCall;
+        private ParcelFileDescriptor mRttPipeFromInCall;
+
+        public Builder() { }
+
+        /**
+         * Sets the phone account handle for the resulting {@link ConnectionRequest}
+         * @param accountHandle The accountHandle which should be used to place the call.
+         */
+        public Builder setAccountHandle(PhoneAccountHandle accountHandle) {
+            this.mAccountHandle = accountHandle;
+            return this;
+        }
+
+        /**
+         * Sets the address for the resulting {@link ConnectionRequest}
+         * @param address The address(e.g., phone number) to which the {@link Connection} is to
+         *                connect.
+         */
+        public Builder setAddress(Uri address) {
+            this.mAddress = address;
+            return this;
+        }
+
+        /**
+         * Sets the extras bundle for the resulting {@link ConnectionRequest}
+         * @param extras Application-specific extra data.
+         */
+        public Builder setExtras(Bundle extras) {
+            this.mExtras = extras;
+            return this;
+        }
+
+        /**
+         * Sets the video state for the resulting {@link ConnectionRequest}
+         * @param videoState Determines the video state for the connection.
+         */
+        public Builder setVideoState(int videoState) {
+            this.mVideoState = videoState;
+            return this;
+        }
+
+        /**
+         * Sets the Telecom call ID for the resulting {@link ConnectionRequest}
+         * @param telecomCallId The telecom call ID.
+         */
+        public Builder setTelecomCallId(String telecomCallId) {
+            this.mTelecomCallId = telecomCallId;
+            return this;
+        }
+
+        /**
+         * Sets shouldShowIncomingUi for the resulting {@link ConnectionRequest}
+         * @param shouldShowIncomingCallUi For a self-managed {@link ConnectionService}, will be
+         *                                 {@code true} if the {@link ConnectionService} should show
+         *                                 its own incoming call UI for an incoming call.  When
+         *                                 {@code false}, Telecom shows the incoming call UI.
+         */
+        public Builder setShouldShowIncomingCallUi(boolean shouldShowIncomingCallUi) {
+            this.mShouldShowIncomingCallUi = shouldShowIncomingCallUi;
+            return this;
+        }
+
+        /**
+         * Sets the RTT pipe for transferring text into the {@link ConnectionService} for the
+         * resulting {@link ConnectionRequest}
+         * @param rttPipeFromInCall The data pipe to read from.
+         */
+        public Builder setRttPipeFromInCall(ParcelFileDescriptor rttPipeFromInCall) {
+            this.mRttPipeFromInCall = rttPipeFromInCall;
+            return this;
+        }
+
+        /**
+         * Sets the RTT pipe for transferring text out of {@link ConnectionService} for the
+         * resulting {@link ConnectionRequest}
+         * @param rttPipeToInCall The data pipe to write to.
+         */
+        public Builder setRttPipeToInCall(ParcelFileDescriptor rttPipeToInCall) {
+            this.mRttPipeToInCall = rttPipeToInCall;
+            return this;
+        }
+
+        public ConnectionRequest build() {
+            return new ConnectionRequest(
+                    mAccountHandle,
+                    mAddress,
+                    mExtras,
+                    mVideoState,
+                    mTelecomCallId,
+                    mShouldShowIncomingCallUi,
+                    mRttPipeFromInCall,
+                    mRttPipeToInCall);
+        }
+    }
+
     private final PhoneAccountHandle mAccountHandle;
     private final Uri mAddress;
     private final Bundle mExtras;
     private final int mVideoState;
     private final String mTelecomCallId;
     private final boolean mShouldShowIncomingCallUi;
+    private final ParcelFileDescriptor mRttPipeToInCall;
+    private final ParcelFileDescriptor mRttPipeFromInCall;
 
     /**
      * @param accountHandle The accountHandle which should be used to place the call.
@@ -44,7 +153,7 @@
             PhoneAccountHandle accountHandle,
             Uri handle,
             Bundle extras) {
-        this(accountHandle, handle, extras, VideoProfile.STATE_AUDIO_ONLY, null, false);
+        this(accountHandle, handle, extras, VideoProfile.STATE_AUDIO_ONLY, null, false, null, null);
     }
 
     /**
@@ -58,7 +167,7 @@
             Uri handle,
             Bundle extras,
             int videoState) {
-        this(accountHandle, handle, extras, videoState, null, false);
+        this(accountHandle, handle, extras, videoState, null, false, null, null);
     }
 
     /**
@@ -80,12 +189,27 @@
             int videoState,
             String telecomCallId,
             boolean shouldShowIncomingCallUi) {
+        this(accountHandle, handle, extras, videoState, telecomCallId,
+                shouldShowIncomingCallUi, null, null);
+    }
+
+    private ConnectionRequest(
+            PhoneAccountHandle accountHandle,
+            Uri handle,
+            Bundle extras,
+            int videoState,
+            String telecomCallId,
+            boolean shouldShowIncomingCallUi,
+            ParcelFileDescriptor rttPipeFromInCall,
+            ParcelFileDescriptor rttPipeToInCall) {
         mAccountHandle = accountHandle;
         mAddress = handle;
         mExtras = extras;
         mVideoState = videoState;
         mTelecomCallId = telecomCallId;
         mShouldShowIncomingCallUi = shouldShowIncomingCallUi;
+        mRttPipeFromInCall = rttPipeFromInCall;
+        mRttPipeToInCall = rttPipeToInCall;
     }
 
     private ConnectionRequest(Parcel in) {
@@ -95,6 +219,8 @@
         mVideoState = in.readInt();
         mTelecomCallId = in.readString();
         mShouldShowIncomingCallUi = in.readInt() == 1;
+        mRttPipeFromInCall = in.readParcelable(getClass().getClassLoader());
+        mRttPipeToInCall = in.readParcelable(getClass().getClassLoader());
     }
 
     /**
@@ -149,6 +275,59 @@
         return mShouldShowIncomingCallUi;
     }
 
+    /**
+     * Gets the {@link ParcelFileDescriptor} that is used to send RTT text from the connection
+     * service to the in-call UI. In order to obtain an
+     * {@link java.io.InputStream} from this {@link ParcelFileDescriptor}, use
+     * {@link android.os.ParcelFileDescriptor.AutoCloseInputStream}.
+     * Only text data encoded using UTF-8 should be written into this {@link ParcelFileDescriptor}.
+     * @return The {@link ParcelFileDescriptor} that should be used for communication.
+     * Do not un-hide -- only for use by Telephony
+     * @hide
+     */
+    public ParcelFileDescriptor getRttPipeToInCall() {
+        return mRttPipeToInCall;
+    }
+
+    /**
+     * Gets the {@link ParcelFileDescriptor} that is used to send RTT text from the in-call UI to
+     * the connection service. In order to obtain an
+     * {@link java.io.OutputStream} from this {@link ParcelFileDescriptor}, use
+     * {@link android.os.ParcelFileDescriptor.AutoCloseOutputStream}.
+     * The contents of this {@link ParcelFileDescriptor} will consist solely of text encoded in
+     * UTF-8.
+     * @return The {@link ParcelFileDescriptor} that should be used for communication
+     * Do not un-hide -- only for use by Telephony
+     * @hide
+     */
+    public ParcelFileDescriptor getRttPipeFromInCall() {
+        return mRttPipeFromInCall;
+    }
+
+    /**
+     * Gets the {@link android.telecom.Connection.RttTextStream} object that should be used to
+     * send and receive RTT text to/from the in-call app.
+     * @return An instance of {@link android.telecom.Connection.RttTextStream}, or {@code null}
+     * if this connection request is not requesting an RTT session upon connection establishment.
+     * @hide
+     */
+    public Connection.RttTextStream getRttTextStream() {
+        if (isRequestingRtt()) {
+            return new Connection.RttTextStream(mRttPipeToInCall, mRttPipeFromInCall);
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Convenience method for determining whether the ConnectionRequest is requesting an RTT session
+     * @return {@code true} if RTT is requested, {@code false} otherwise.
+     * @hide
+     */
+    public boolean isRequestingRtt() {
+        return mRttPipeFromInCall != null && mRttPipeToInCall != null;
+    }
+
     @Override
     public String toString() {
         return String.format("ConnectionRequest %s %s",
@@ -186,5 +365,7 @@
         destination.writeInt(mVideoState);
         destination.writeString(mTelecomCallId);
         destination.writeInt(mShouldShowIncomingCallUi ? 1 : 0);
+        destination.writeParcelable(mRttPipeFromInCall, 0);
+        destination.writeParcelable(mRttPipeToInCall, 0);
     }
 }
diff --git a/telecomm/java/android/telecom/InCallAdapter.java b/telecomm/java/android/telecom/InCallAdapter.java
index 3f270d9..d640b1d 100644
--- a/telecomm/java/android/telecom/InCallAdapter.java
+++ b/telecomm/java/android/telecom/InCallAdapter.java
@@ -34,7 +34,7 @@
  * <p>
  * The adapter will stop functioning when there are no more calls.
  *
- * {@hide}
+ * @hide
  */
 public final class InCallAdapter {
     private final IInCallAdapter mAdapter;
@@ -375,4 +375,48 @@
         } catch (RemoteException ignored) {
         }
     }
+
+    /**
+     * Sends an RTT upgrade request to the remote end of the connection.
+     */
+    public void sendRttRequest() {
+        try {
+            mAdapter.sendRttRequest();
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
+     * Responds to an RTT upgrade request initiated from the remote end.
+     *
+     * @param id the ID of the request as specified by Telecom
+     * @param accept Whether the request should be accepted.
+     */
+    public void respondToRttRequest(int id, boolean accept) {
+        try {
+            mAdapter.respondToRttRequest(id, accept);
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
+     * Instructs Telecom to shut down the RTT communication channel.
+     */
+    public void stopRtt() {
+        try {
+            mAdapter.stopRtt();
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
+     * Sets the RTT audio mode.
+     * @param mode the desired RTT audio mode
+     */
+    public void setRttMode(int mode) {
+        try {
+            mAdapter.setRttMode(mode);
+        } catch (RemoteException ignored) {
+        }
+    }
 }
diff --git a/telecomm/java/android/telecom/InCallService.java b/telecomm/java/android/telecom/InCallService.java
index 5d68aae..4bc64c0 100644
--- a/telecomm/java/android/telecom/InCallService.java
+++ b/telecomm/java/android/telecom/InCallService.java
@@ -76,6 +76,7 @@
     private static final int MSG_ON_CAN_ADD_CALL_CHANGED = 7;
     private static final int MSG_SILENCE_RINGER = 8;
     private static final int MSG_ON_CONNECTION_EVENT = 9;
+    private static final int MSG_ON_RTT_UPGRADE_REQUEST = 10;
 
     /** Default Handler used to consolidate binder method calls onto a single thread. */
     private final Handler mHandler = new Handler(Looper.getMainLooper()) {
@@ -133,6 +134,12 @@
                     }
                     break;
                 }
+                case MSG_ON_RTT_UPGRADE_REQUEST: {
+                    String callId = (String) msg.obj;
+                    int requestId = msg.arg1;
+                    mPhone.internalOnRttUpgradeRequest(callId, requestId);
+                    break;
+                }
                 default:
                     break;
             }
@@ -198,6 +205,11 @@
             args.arg3 = extras;
             mHandler.obtainMessage(MSG_ON_CONNECTION_EVENT, args).sendToTarget();
         }
+
+        @Override
+        public void onRttUpgradeRequest(String callId, int id) {
+            mHandler.obtainMessage(MSG_ON_RTT_UPGRADE_REQUEST, id, 0, callId).sendToTarget();
+        }
     }
 
     private Phone.Listener mPhoneListener = new Phone.Listener() {
diff --git a/telecomm/java/android/telecom/ParcelableCall.java b/telecomm/java/android/telecom/ParcelableCall.java
index a3fce9c..975aa5a 100644
--- a/telecomm/java/android/telecom/ParcelableCall.java
+++ b/telecomm/java/android/telecom/ParcelableCall.java
@@ -50,6 +50,8 @@
     private final boolean mIsVideoCallProviderChanged;
     private final IVideoProvider mVideoCallProvider;
     private VideoCallImpl mVideoCall;
+    private final boolean mIsRttCallChanged;
+    private final ParcelableRttCall mRttCall;
     private final String mParentCallId;
     private final List<String> mChildCallIds;
     private final StatusHints mStatusHints;
@@ -75,6 +77,8 @@
             PhoneAccountHandle accountHandle,
             boolean isVideoCallProviderChanged,
             IVideoProvider videoCallProvider,
+            boolean isRttCallChanged,
+            ParcelableRttCall rttCall,
             String parentCallId,
             List<String> childCallIds,
             StatusHints statusHints,
@@ -98,6 +102,8 @@
         mAccountHandle = accountHandle;
         mIsVideoCallProviderChanged = isVideoCallProviderChanged;
         mVideoCallProvider = videoCallProvider;
+        mIsRttCallChanged = isRttCallChanged;
+        mRttCall = rttCall;
         mParentCallId = parentCallId;
         mChildCallIds = childCallIds;
         mStatusHints = statusHints;
@@ -202,6 +208,18 @@
         return mVideoCall;
     }
 
+    public boolean getIsRttCallChanged() {
+        return mIsRttCallChanged;
+    }
+
+    /**
+     * RTT communication channel information
+     * @return The ParcelableRttCall
+     */
+    public ParcelableRttCall getParcelableRttCall() {
+        return mRttCall;
+    }
+
     /**
      * The conference call to which this call is conferenced. Null if not conferenced.
      */
@@ -301,6 +319,8 @@
             Bundle intentExtras = source.readBundle(classLoader);
             Bundle extras = source.readBundle(classLoader);
             int supportedAudioRoutes = source.readInt();
+            boolean isRttCallChanged = source.readByte() == 1;
+            ParcelableRttCall rttCall = source.readParcelable(classLoader);
             return new ParcelableCall(
                     id,
                     state,
@@ -318,6 +338,8 @@
                     accountHandle,
                     isVideoCallProviderChanged,
                     videoCallProvider,
+                    isRttCallChanged,
+                    rttCall,
                     parentCallId,
                     childCallIds,
                     statusHints,
@@ -366,6 +388,8 @@
         destination.writeBundle(mIntentExtras);
         destination.writeBundle(mExtras);
         destination.writeInt(mSupportedAudioRoutes);
+        destination.writeByte((byte) (mIsRttCallChanged ? 1 : 0));
+        destination.writeParcelable(mRttCall, 0);
     }
 
     @Override
diff --git a/telecomm/java/android/telecom/ParcelableRttCall.aidl b/telecomm/java/android/telecom/ParcelableRttCall.aidl
new file mode 100644
index 0000000..4480710
--- /dev/null
+++ b/telecomm/java/android/telecom/ParcelableRttCall.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2017, 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.telecom;
+
+/**
+ * {@hide}
+ */
+parcelable ParcelableRttCall;
diff --git a/telecomm/java/android/telecom/ParcelableRttCall.java b/telecomm/java/android/telecom/ParcelableRttCall.java
new file mode 100644
index 0000000..763e48b
--- /dev/null
+++ b/telecomm/java/android/telecom/ParcelableRttCall.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2017 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.telecom;
+
+import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
+import android.os.Parcelable;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Data container for information associated with the RTT connection on a call.
+ * @hide
+ */
+public class ParcelableRttCall implements Parcelable {
+    private final int mRttMode;
+    private final ParcelFileDescriptor mTransmitStream;
+    private final ParcelFileDescriptor mReceiveStream;
+
+    public ParcelableRttCall(
+            int rttMode,
+            ParcelFileDescriptor transmitStream,
+            ParcelFileDescriptor receiveStream) {
+        mRttMode = rttMode;
+        mTransmitStream = transmitStream;
+        mReceiveStream = receiveStream;
+    }
+
+    protected ParcelableRttCall(Parcel in) {
+        mRttMode = in.readInt();
+        mTransmitStream = in.readParcelable(ParcelFileDescriptor.class.getClassLoader());
+        mReceiveStream = in.readParcelable(ParcelFileDescriptor.class.getClassLoader());
+    }
+
+    public static final Creator<ParcelableRttCall> CREATOR = new Creator<ParcelableRttCall>() {
+        @Override
+        public ParcelableRttCall createFromParcel(Parcel in) {
+            return new ParcelableRttCall(in);
+        }
+
+        @Override
+        public ParcelableRttCall[] newArray(int size) {
+            return new ParcelableRttCall[size];
+        }
+    };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(mRttMode);
+        dest.writeParcelable(mTransmitStream, flags);
+        dest.writeParcelable(mReceiveStream, flags);
+    }
+
+    public int getRttMode() {
+        return mRttMode;
+    }
+
+    public ParcelFileDescriptor getReceiveStream() {
+        return mReceiveStream;
+    }
+
+    public ParcelFileDescriptor getTransmitStream() {
+        return mTransmitStream;
+    }
+}
diff --git a/telecomm/java/android/telecom/Phone.java b/telecomm/java/android/telecom/Phone.java
index 30ec5b3..ebd04c7 100644
--- a/telecomm/java/android/telecom/Phone.java
+++ b/telecomm/java/android/telecom/Phone.java
@@ -201,6 +201,13 @@
         }
     }
 
+    final void internalOnRttUpgradeRequest(String callId, int requestId) {
+        Call call = mCallByTelecomCallId.get(callId);
+        if (call != null) {
+            call.internalOnRttUpgradeRequest(requestId);
+        }
+    }
+
     /**
      * Called to destroy the phone and cleanup any lingering calls.
      */
diff --git a/telecomm/java/android/telecom/PhoneAccount.java b/telecomm/java/android/telecom/PhoneAccount.java
index 845a103..3926e20 100644
--- a/telecomm/java/android/telecom/PhoneAccount.java
+++ b/telecomm/java/android/telecom/PhoneAccount.java
@@ -204,6 +204,18 @@
     public static final int CAPABILITY_SELF_MANAGED = 0x800;
 
     /**
+     * Flag indicating that this {@link PhoneAccount} is capable of making a call with an
+     * RTT (Real-time text) session.
+     * When set, Telecom will attempt to open an RTT session on outgoing calls that specify
+     * that they should be placed with an RTT session , and the in-call app will be displayed
+     * with text entry fields for RTT. Likewise, the in-call app can request that an RTT
+     * session be opened during a call if this bit is set.
+     */
+    public static final int CAPABILITY_RTT = 0x1000;
+
+    /* NEXT CAPABILITY: 0x2000 */
+
+    /**
      * URI scheme for telephone number URIs.
      */
     public static final String SCHEME_TEL = "tel";
diff --git a/telecomm/java/android/telecom/RemoteConnectionService.java b/telecomm/java/android/telecom/RemoteConnectionService.java
index 0c7404a..60a40f5 100644
--- a/telecomm/java/android/telecom/RemoteConnectionService.java
+++ b/telecomm/java/android/telecom/RemoteConnectionService.java
@@ -450,11 +450,14 @@
             ConnectionRequest request,
             boolean isIncoming) {
         final String id = UUID.randomUUID().toString();
-        final ConnectionRequest newRequest = new ConnectionRequest(
-                request.getAccountHandle(),
-                request.getAddress(),
-                request.getExtras(),
-                request.getVideoState());
+        final ConnectionRequest newRequest = new ConnectionRequest.Builder()
+                .setAccountHandle(request.getAccountHandle())
+                .setAddress(request.getAddress())
+                .setExtras(request.getExtras())
+                .setVideoState(request.getVideoState())
+                .setRttPipeFromInCall(request.getRttPipeFromInCall())
+                .setRttPipeToInCall(request.getRttPipeToInCall())
+                .build();
         try {
             if (mConnectionById.isEmpty()) {
                 mOutgoingConnectionServiceRpc.addConnectionServiceAdapter(mServant.getStub(),
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 7964cf2..6807ef4 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -326,6 +326,14 @@
             "android.telecom.extra.NEW_OUTGOING_CALL_CANCEL_TIMEOUT";
 
     /**
+     * A boolean extra, which when set on the {@link Intent#ACTION_CALL} intent or on the bundle
+     * passed into {@link #placeCall(Uri, Bundle)}, indicates that the call should be initiated with
+     * an RTT session open. See {@link android.telecom.Call.RttCall} for more information on RTT.
+     */
+    public static final String EXTRA_START_CALL_WITH_RTT =
+            "android.telecom.extra.START_CALL_WITH_RTT";
+
+    /**
      * A boolean meta-data value indicating whether an {@link InCallService} implements an
      * in-call user interface. Dialer implementations (see {@link #getDefaultDialerPackage()}) which
      * would also like to replace the in-call interface should set this meta-data to {@code true} in
diff --git a/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl b/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
index 49f9b3b..47c3e6c 100644
--- a/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
+++ b/telecomm/java/com/android/internal/telecom/IInCallAdapter.aidl
@@ -69,4 +69,12 @@
     void putExtras(String callId, in Bundle extras);
 
     void removeExtras(String callId, in List<String> keys);
+
+    void sendRttRequest();
+
+    void respondToRttRequest(int id, boolean accept);
+
+    void stopRtt();
+
+    void setRttMode(int mode);
 }
diff --git a/telecomm/java/com/android/internal/telecom/IInCallService.aidl b/telecomm/java/com/android/internal/telecom/IInCallService.aidl
index 3e43fe2..1f92e0c 100644
--- a/telecomm/java/com/android/internal/telecom/IInCallService.aidl
+++ b/telecomm/java/com/android/internal/telecom/IInCallService.aidl
@@ -50,4 +50,6 @@
     void silenceRinger();
 
     void onConnectionEvent(String callId, String event, in Bundle extras);
+
+    void onRttUpgradeRequest(String callId, int id);
 }
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 04c10d2..02774b3 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -817,7 +817,7 @@
 
     /**
      * Defines carrier-specific actions which act upon
-     * android.intent.action.CARRIER_SIGNAL_REDIRECTED, used for customization of the
+     * com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED, used for customization of the
      * default carrier app
      * Format: "CARRIER_ACTION_IDX, ..."
      * Where {@code CARRIER_ACTION_IDX} is an integer defined in
@@ -832,7 +832,7 @@
 
     /**
      * Defines carrier-specific actions which act upon
-     * android.intent.action.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED
+     * com.android.internal.telephony.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED
      * and configured signal args:
      * {@link com.android.internal.telephony.TelephonyIntents#EXTRA_APN_TYPE_KEY apnType},
      * {@link com.android.internal.telephony.TelephonyIntents#EXTRA_ERROR_CODE_KEY errorCode}
@@ -873,11 +873,11 @@
      * @see com.android.internal.telephony.TelephonyIntents
      * Example:
      * <item>com.google.android.carrierAPK/.CarrierSignalReceiverA:
-     * android.intent.action.CARRIER_SIGNAL_REDIRECTED,
-     * android.intent.action.CARRIER_SIGNAL_PCO_VALUE
+     * com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED,
+     * com.android.internal.telephony.CARRIER_SIGNAL_PCO_VALUE
      * </item>
      * <item>com.google.android.carrierAPK/.CarrierSignalReceiverB:
-     * android.intent.action.CARRIER_SIGNAL_PCO_VALUE
+     * com.android.internal.telephony.CARRIER_SIGNAL_PCO_VALUE
      * </item>
      * @hide
      */
@@ -892,11 +892,11 @@
      * @see com.android.internal.telephony.TelephonyIntents
      * Example:
      * <item>com.google.android.carrierAPK/.CarrierSignalReceiverA:
-     * android.intent.action.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED,
-     * android.intent.action.CARRIER_SIGNAL_PCO_VALUE
+     * com.android.internal.telephony.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED,
+     * com.android.internal.telephony.CARRIER_SIGNAL_PCO_VALUE
      * </item>
      * <item>com.google.android.carrierAPK/.CarrierSignalReceiverB:
-     * android.intent.action.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED
+     * com.android.internal.telephony.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED
      * </item>
      * @hide
      */
@@ -1119,6 +1119,14 @@
     public static final String KEY_EDITABLE_WFC_ROAMING_MODE_BOOL =
             "editable_wfc_roaming_mode_bool";
 
+    /**
+     * Indicates whether the carrier supports 3gpp call forwarding MMI codes while roaming. If
+     * false, the user will be notified that call forwarding is not available when the MMI code
+     * fails.
+     */
+    public static final String KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL =
+            "support_3gpp_call_forwarding_while_roaming_bool";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -1293,7 +1301,7 @@
         sDefaults.putStringArray(KEY_CARRIER_APP_WAKE_SIGNAL_CONFIG_STRING_ARRAY,
                 new String[]{
                         "com.android.carrierdefaultapp/.CarrierDefaultBroadcastReceiver:" +
-                                "android.intent.action.CARRIER_SIGNAL_REDIRECTED"
+                                "com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED"
                 });
         sDefaults.putStringArray(KEY_CARRIER_APP_NO_WAKE_SIGNAL_CONFIG_STRING_ARRAY, null);
 
@@ -1323,6 +1331,7 @@
         sDefaults.putBoolean(KEY_NOTIFY_VT_HANDOVER_TO_WIFI_FAILURE_BOOL, false);
         sDefaults.putStringArray(KEY_FILTERED_CNAP_NAMES_STRING_ARRAY, null);
         sDefaults.putBoolean(KEY_EDITABLE_WFC_ROAMING_MODE_BOOL, false);
+        sDefaults.putBoolean(KEY_SUPPORT_3GPP_CALL_FORWARDING_WHILE_ROAMING_BOOL, true);
     }
 
     /**
diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index 152b868..38cffae 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -1139,6 +1139,8 @@
 
     private static final String KOREA_ISO_COUNTRY_CODE = "KR";
 
+    private static final String JAPAN_ISO_COUNTRY_CODE = "JP";
+
     /**
      * Breaks the given number down and formats it according to the rules
      * for the country the number is from.
@@ -1459,15 +1461,25 @@
         String result = null;
         try {
             PhoneNumber pn = util.parseAndKeepRawInput(phoneNumber, defaultCountryIso);
-            /**
-             * Need to reformat any local Korean phone numbers (when the user is in Korea) with
-             * country code to corresponding national format which would replace the leading
-             * +82 with 0.
-             */
-            if (KOREA_ISO_COUNTRY_CODE.equals(defaultCountryIso) &&
+
+            if (KOREA_ISO_COUNTRY_CODE.equalsIgnoreCase(defaultCountryIso) &&
                     (pn.getCountryCode() == util.getCountryCodeForRegion(KOREA_ISO_COUNTRY_CODE)) &&
                     (pn.getCountryCodeSource() ==
                             PhoneNumber.CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)) {
+                /**
+                 * Need to reformat any local Korean phone numbers (when the user is in Korea) with
+                 * country code to corresponding national format which would replace the leading
+                 * +82 with 0.
+                 */
+                result = util.format(pn, PhoneNumberUtil.PhoneNumberFormat.NATIONAL);
+            } else if (JAPAN_ISO_COUNTRY_CODE.equalsIgnoreCase(defaultCountryIso) &&
+                    pn.getCountryCode() == util.getCountryCodeForRegion(JAPAN_ISO_COUNTRY_CODE) &&
+                    (pn.getCountryCodeSource() ==
+                            PhoneNumber.CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)) {
+                /**
+                 * Need to reformat Japanese phone numbers (when user is in Japan) with the national
+                 * dialing format.
+                 */
                 result = util.format(pn, PhoneNumberUtil.PhoneNumberFormat.NATIONAL);
             } else {
                 result = util.formatInOriginalFormat(pn, defaultCountryIso);
diff --git a/telephony/java/android/telephony/PhoneStateListener.java b/telephony/java/android/telephony/PhoneStateListener.java
index dd03305..afff6d5 100644
--- a/telephony/java/android/telephony/PhoneStateListener.java
+++ b/telephony/java/android/telephony/PhoneStateListener.java
@@ -208,7 +208,9 @@
      *
      * @see #onOemHookRawEvent
      * @hide
+     * @deprecated OEM needs a vendor-extension hal and their apps should use that instead
      */
+    @Deprecated
     public static final int LISTEN_OEM_HOOK_RAW_EVENT                       = 0x00008000;
 
     /**
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index faeeded..8479f88 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -5040,7 +5040,9 @@
      *         0 request was handled succesfully, but no response data
      *         positive value success, data length of response
      * @hide
+     * @deprecated OEM needs a vendor-extension hal and their apps should use that instead
      */
+    @Deprecated
     public int invokeOemRilRequestRaw(byte[] oemReq, byte[] oemResp) {
         try {
             ITelephony telephony = getITelephony();
@@ -5333,6 +5335,44 @@
     }
 
     /**
+     * Set SIM card power state. Request is equivalent to inserting or removing the card.
+     *
+     * @param powerUp True if powering up the SIM, otherwise powering down
+     *
+     * <p>Requires Permission:
+     *   {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
+     *
+     * @hide
+     **/
+    public void setSimPowerState(boolean powerUp) {
+        setSimPowerStateForSlot(getDefaultSim(), powerUp);
+    }
+
+    /**
+     * Set SIM card power state. Request is equivalent to inserting or removing the card.
+     *
+     * @param slotId SIM slot id
+     * @param powerUp True if powering up the SIM, otherwise powering down
+     *
+     * <p>Requires Permission:
+     *   {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
+     *
+     * @hide
+     **/
+    public void setSimPowerStateForSlot(int slotId, boolean powerUp) {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                telephony.setSimPowerStateForSlot(slotId, powerUp);
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error calling ITelephony#setSimPowerStateForSlot", e);
+        } catch (SecurityException e) {
+            Log.e(TAG, "Permission error calling ITelephony#setSimPowerStateForSlot", e);
+        }
+    }
+
+    /**
      * Set baseband version for the default phone.
      *
      * @param version baseband version
diff --git a/telephony/java/android/telephony/ims/stub/ImsCallSessionImplBase.java b/telephony/java/android/telephony/ims/stub/ImsCallSessionImplBase.java
new file mode 100644
index 0000000..69b8acc
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsCallSessionImplBase.java
@@ -0,0 +1,348 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.Message;
+import android.os.RemoteException;
+
+import com.android.ims.ImsCallProfile;
+import com.android.ims.ImsStreamMediaProfile;
+import com.android.ims.internal.ImsCallSession;
+import com.android.ims.internal.IImsCallSession;
+import com.android.ims.internal.IImsCallSessionListener;
+import com.android.ims.internal.IImsVideoCallProvider;
+
+/**
+ * Base implementation of IImsCallSession, which implements stub versions of the methods in the
+ * IImsCallSession AIDL. Override the methods that your implementation of ImsCallSession supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsCallSession maintained by other ImsServices.
+ *
+ * @hide
+ */
+
+public class ImsCallSessionImplBase extends IImsCallSession.Stub {
+
+    /**
+     * Closes the object. This object is not usable after being closed.
+     */
+    @Override
+    public void close() throws RemoteException {
+
+    }
+
+    /**
+     * Gets the call ID of the session.
+     *
+     * @return the call ID
+     */
+    @Override
+    public String getCallId() throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Gets the call profile that this session is associated with
+     *
+     * @return the {@link ImsCallProfile} that this session is associated with
+     */
+    @Override
+    public ImsCallProfile getCallProfile() throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Gets the local call profile that this session is associated with
+     *
+     * @return the local {@link ImsCallProfile} that this session is associated with
+     */
+    @Override
+    public ImsCallProfile getLocalCallProfile() throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Gets the remote call profile that this session is associated with
+     *
+     * @return the remote {@link ImsCallProfile} that this session is associated with
+     */
+    @Override
+    public ImsCallProfile getRemoteCallProfile() throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Gets the value associated with the specified property of this session.
+     *
+     * @return the string value associated with the specified property
+     */
+    @Override
+    public String getProperty(String name) throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Gets the session state.
+     * The value returned must be one of the states in {@link ImsCallSession.State}.
+     *
+     * @return the session state
+     */
+    @Override
+    public int getState() throws RemoteException {
+        return ImsCallSession.State.INVALID;
+    }
+
+    /**
+     * Checks if the session is in call.
+     *
+     * @return true if the session is in call, false otherwise
+     */
+    @Override
+    public boolean isInCall() throws RemoteException {
+        return false;
+    }
+
+    /**
+     * Sets the listener to listen to the session events. An {@link ImsCallSession}
+     * can only hold one listener at a time. Subsequent calls to this method
+     * override the previous listener.
+     *
+     * @param listener to listen to the session events of this object
+     */
+    @Override
+    public void setListener(IImsCallSessionListener listener) throws RemoteException {
+    }
+
+    /**
+     * Mutes or unmutes the mic for the active call.
+     *
+     * @param muted true if the call is muted, false otherwise
+     */
+    @Override
+    public void setMute(boolean muted) throws RemoteException {
+    }
+
+    /**
+     * Initiates an IMS call with the specified target and call profile.
+     * The session listener set in {@link #setListener} is called back upon defined session events.
+     * The method is only valid to call when the session state is in
+     * {@link ImsCallSession.State#IDLE}.
+     *
+     * @param callee dialed string to make the call to
+     * @param profile call profile to make the call with the specified service type,
+     *      call type and media information
+     * @see {@link ImsCallSession.Listener#callSessionStarted},
+     * {@link ImsCallSession.Listener#callSessionStartFailed}
+     */
+    @Override
+    public void start(String callee, ImsCallProfile profile) throws RemoteException {
+    }
+
+    /**
+     * Initiates an IMS call with the specified participants and call profile.
+     * The session listener set in {@link #setListener} is called back upon defined session events.
+     * The method is only valid to call when the session state is in
+     * {@link ImsCallSession.State#IDLE}.
+     *
+     * @param participants participant list to initiate an IMS conference call
+     * @param profile call profile to make the call with the specified service type,
+     *      call type and media information
+     * @see {@link ImsCallSession.Listener#callSessionStarted},
+     * {@link ImsCallSession.Listener#callSessionStartFailed}
+     */
+    @Override
+    public void startConference(String[] participants, ImsCallProfile profile)
+            throws RemoteException {
+    }
+
+    /**
+     * Accepts an incoming call or session update.
+     *
+     * @param callType call type specified in {@link ImsCallProfile} to be answered
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to be answered
+     * @see {@link ImsCallSession.Listener#callSessionStarted}
+     */
+    @Override
+    public void accept(int callType, ImsStreamMediaProfile profile) throws RemoteException {
+    }
+
+    /**
+     * Rejects an incoming call or session update.
+     *
+     * @param reason reason code to reject an incoming call, defined in
+     *         com.android.ims.ImsReasonInfo
+     * {@link ImsCallSession.Listener#callSessionStartFailed}
+     */
+    @Override
+    public void reject(int reason) throws RemoteException {
+    }
+
+    /**
+     * Terminates a call.
+     *
+     * @param reason reason code to terminate a call, defined in
+     *         com.android.ims.ImsReasonInfo
+     *
+     * @see {@link ImsCallSession.Listener#callSessionTerminated}
+     */
+    @Override
+    public void terminate(int reason) throws RemoteException {
+    }
+
+    /**
+     * Puts a call on hold. When it succeeds, {@link ImsCallSession.Listener#callSessionHeld} is
+     * called.
+     *
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to hold the call
+     * @see {@link ImsCallSession.Listener#callSessionHeld},
+     * {@link ImsCallSession.Listener#callSessionHoldFailed}
+     */
+    @Override
+    public void hold(ImsStreamMediaProfile profile) throws RemoteException {
+    }
+
+    /**
+     * Continues a call that's on hold. When it succeeds,
+     * {@link ImsCallSession.Listener#callSessionResumed} is called.
+     *
+     * @param profile stream media profile with {@link ImsStreamMediaProfile} to resume the call
+     * @see {@link ImsCallSession.Listener#callSessionResumed},
+     * {@link ImsCallSession.Listener#callSessionResumeFailed}
+     */
+    @Override
+    public void resume(ImsStreamMediaProfile profile) throws RemoteException {
+    }
+
+    /**
+     * Merges the active & hold call. When the merge starts,
+     * {@link ImsCallSession.Listener#callSessionMergeStarted} is called.
+     * {@link ImsCallSession.Listener#callSessionMergeComplete} is called if the merge is
+     * successful, and {@link ImsCallSession.Listener#callSessionMergeFailed} is called if the merge
+     * fails.
+     *
+     * @see {@link ImsCallSession.Listener#callSessionMergeStarted},
+     * {@link ImsCallSession.Listener#callSessionMergeComplete},
+     *      {@link ImsCallSession.Listener#callSessionMergeFailed}
+     */
+    @Override
+    public void merge() throws RemoteException {
+    }
+
+    /**
+     * Updates the current call's properties (ex. call mode change: video upgrade / downgrade).
+     *
+     * @param callType call type specified in {@link ImsCallProfile} to be updated
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to be updated
+     * @see {@link ImsCallSession.Listener#callSessionUpdated},
+     * {@link ImsCallSession.Listener#callSessionUpdateFailed}
+     */
+    @Override
+    public void update(int callType, ImsStreamMediaProfile profile) throws RemoteException {
+    }
+
+    /**
+     * Extends this call to the conference call with the specified recipients.
+     *
+     * @param participants participant list to be invited to the conference call after extending the
+     * call
+     * @see {@link ImsCallSession.Listener#callSessionConferenceExtended},
+     * {@link ImsCallSession.Listener#callSessionConferenceExtendFailed}
+     */
+    @Override
+    public void extendToConference(String[] participants) throws RemoteException {
+    }
+
+    /**
+     * Requests the conference server to invite an additional participants to the conference.
+     *
+     * @param participants participant list to be invited to the conference call
+     * @see {@link ImsCallSession.Listener#callSessionInviteParticipantsRequestDelivered},
+     *      {@link ImsCallSession.Listener#callSessionInviteParticipantsRequestFailed}
+     */
+    @Override
+    public void inviteParticipants(String[] participants) throws RemoteException {
+    }
+
+    /**
+     * Requests the conference server to remove the specified participants from the conference.
+     *
+     * @param participants participant list to be removed from the conference call
+     * @see {@link ImsCallSession.Listener#callSessionRemoveParticipantsRequestDelivered},
+     *      {@link ImsCallSession.Listener#callSessionRemoveParticipantsRequestFailed}
+     */
+    @Override
+    public void removeParticipants(String[] participants) throws RemoteException {
+    }
+
+    /**
+     * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>,
+     * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15,
+     * and event flash to 16. Currently, event flash is not supported.
+     *
+     * @param c the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs.
+     */
+    @Override
+    public void sendDtmf(char c, Message result) throws RemoteException {
+    }
+
+    /**
+     * Start a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>,
+     * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15,
+     * and event flash to 16. Currently, event flash is not supported.
+     *
+     * @param c the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs.
+     */
+    @Override
+    public void startDtmf(char c) throws RemoteException {
+    }
+
+    /**
+     * Stop a DTMF code.
+     */
+    @Override
+    public void stopDtmf() throws RemoteException {
+    }
+
+    /**
+     * Sends an USSD message.
+     *
+     * @param ussdMessage USSD message to send
+     */
+    @Override
+    public void sendUssd(String ussdMessage) throws RemoteException {
+    }
+
+    /**
+     * Returns a binder for the video call provider implementation contained within the IMS service
+     * process. This binder is used by the VideoCallProvider subclass in Telephony which
+     * intermediates between the propriety implementation and Telecomm/InCall.
+     */
+    @Override
+    public IImsVideoCallProvider getVideoCallProvider() throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Determines if the current session is multiparty.
+     * @return {@code True} if the session is multiparty.
+     */
+    @Override
+    public boolean isMultiparty() throws RemoteException {
+        return false;
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsCallSessionListenerImplBase.java b/telephony/java/android/telephony/ims/stub/ImsCallSessionListenerImplBase.java
new file mode 100644
index 0000000..46f8f80
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsCallSessionListenerImplBase.java
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import com.android.ims.ImsCallProfile;
+import com.android.ims.ImsConferenceState;
+import com.android.ims.ImsReasonInfo;
+import com.android.ims.ImsStreamMediaProfile;
+import com.android.ims.ImsSuppServiceNotification;
+import com.android.ims.internal.IImsCallSession;
+import com.android.ims.internal.IImsCallSessionListener;
+
+/**
+ * Base implementation of ImsCallSessionListenerBase, which implements stub versions of the methods
+ * in the IImsCallSessionListener AIDL. Override the methods that your implementation of
+ * ImsCallSessionListener supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsCallSessionListener maintained by other ImsServices.
+ *
+ * @hide
+ */
+public class ImsCallSessionListenerImplBase extends IImsCallSessionListener.Stub {
+    /**
+     * Notifies the result of the basic session operation (setup / terminate).
+     */
+    @Override
+    public void callSessionProgressing(IImsCallSession session, ImsStreamMediaProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionStarted(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionStartFailed(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionTerminated(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    /**
+     * Notifies the result of the call hold/resume operation.
+     */
+    @Override
+    public void callSessionHeld(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionHoldFailed(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionHoldReceived(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionResumed(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionResumeFailed(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionResumeReceived(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    /**
+     * Notifies the result of call merge operation.
+     */
+    @Override
+    public void callSessionMergeStarted(IImsCallSession session, IImsCallSession newSession,
+            ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionMergeComplete(IImsCallSession session) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionMergeFailed(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    /**
+     * Notifies the result of call upgrade / downgrade or any other call
+     * updates.
+     */
+    @Override
+    public void callSessionUpdated(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionUpdateFailed(IImsCallSession session, ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionUpdateReceived(IImsCallSession session, ImsCallProfile profile) {
+        // no-op
+    }
+
+    /**
+     * Notifies the result of conference extension.
+     */
+    @Override
+    public void callSessionConferenceExtended(IImsCallSession session, IImsCallSession newSession,
+            ImsCallProfile profile) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionConferenceExtendFailed(IImsCallSession session,
+            ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionConferenceExtendReceived(IImsCallSession session,
+            IImsCallSession newSession,
+            ImsCallProfile profile) {
+        // no-op
+    }
+
+    /**
+     * Notifies the result of the participant invitation / removal to/from the
+     * conference session.
+     */
+    @Override
+    public void callSessionInviteParticipantsRequestDelivered(IImsCallSession session) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionInviteParticipantsRequestFailed(IImsCallSession session,
+            ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionRemoveParticipantsRequestDelivered(IImsCallSession session) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionRemoveParticipantsRequestFailed(IImsCallSession session,
+            ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    /**
+     * Notifies the changes of the conference info. the conference session.
+     */
+    @Override
+    public void callSessionConferenceStateUpdated(IImsCallSession session,
+            ImsConferenceState state) {
+        // no-op
+    }
+
+    /**
+     * Notifies the incoming USSD message.
+     */
+    @Override
+    public void callSessionUssdMessageReceived(IImsCallSession session, int mode,
+            String ussdMessage) {
+        // no-op
+    }
+
+    /**
+     * Notifies of handover information for this call
+     */
+    @Override
+    public void callSessionHandover(IImsCallSession session, int srcAccessTech,
+            int targetAccessTech,
+            ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    @Override
+    public void callSessionHandoverFailed(IImsCallSession session, int srcAccessTech,
+            int targetAccessTech,
+            ImsReasonInfo reasonInfo) {
+        // no-op
+    }
+
+    /**
+     * Notifies the TTY mode change by remote party.
+     *
+     * @param mode one of the following: -
+     *            {@link com.android.internal.telephony.Phone#TTY_MODE_OFF} -
+     *            {@link com.android.internal.telephony.Phone#TTY_MODE_FULL} -
+     *            {@link com.android.internal.telephony.Phone#TTY_MODE_HCO} -
+     *            {@link com.android.internal.telephony.Phone#TTY_MODE_VCO}
+     */
+    @Override
+    public void callSessionTtyModeReceived(IImsCallSession session, int mode) {
+        // no-op
+    }
+
+    /**
+     * Notifies of a change to the multiparty state for this
+     * {@code ImsCallSession}.
+     *
+     * @param session The call session.
+     * @param isMultiParty {@code true} if the session became multiparty,
+     *            {@code false} otherwise.
+     */
+    @Override
+    public void callSessionMultipartyStateChanged(IImsCallSession session, boolean isMultiParty) {
+        // no-op
+    }
+
+    /**
+     * Notifies the supplementary service information for the current session.
+     */
+    @Override
+    public void callSessionSuppServiceReceived(IImsCallSession session,
+            ImsSuppServiceNotification suppSrvNotification) {
+        // no-op
+    }
+}
+
diff --git a/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java b/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java
new file mode 100644
index 0000000..5a4db99
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.RemoteException;
+
+import com.android.ims.ImsConfig;
+import com.android.ims.ImsConfigListener;
+import com.android.ims.internal.IImsConfig;
+
+/**
+ * Base implementation of ImsConfig, which implements stub versions of the methods
+ * in the IImsConfig AIDL. Override the methods that your implementation of ImsConfig supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsConfig maintained by other ImsServices.
+ *
+ * Provides APIs to get/set the IMS service feature/capability/parameters.
+ * The config items include:
+ * 1) Items provisioned by the operator.
+ * 2) Items configured by user. Mainly service feature class.
+ *
+ * @hide
+ */
+
+public class ImsConfigImplBase extends IImsConfig.Stub {
+
+    /**
+     * Gets the value for ims service/capabilities parameters from the provisioned
+     * value storage. Synchronous blocking call.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @return value in Integer format.
+     */
+    @Override
+    public int getProvisionedValue(int item) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Gets the value for ims service/capabilities parameters from the provisioned
+     * value storage. Synchronous blocking call.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @return value in String format.
+     */
+    @Override
+    public String getProvisionedStringValue(int item) throws RemoteException {
+        return null;
+    }
+
+    /**
+     * Sets the value for IMS service/capabilities parameters by the operator device
+     * management entity. It sets the config item value in the provisioned storage
+     * from which the master value is derived. Synchronous blocking call.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @param value in Integer format.
+     * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants.
+     */
+    @Override
+    public int setProvisionedValue(int item, int value) throws RemoteException {
+        return ImsConfig.OperationStatusConstants.FAILED;
+    }
+
+    /**
+     * Sets the value for IMS service/capabilities parameters by the operator device
+     * management entity. It sets the config item value in the provisioned storage
+     * from which the master value is derived.  Synchronous blocking call.
+     *
+     * @param item as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @param value in String format.
+     * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants.
+     */
+    @Override
+    public int setProvisionedStringValue(int item, String value) throws RemoteException {
+        return ImsConfig.OperationStatusConstants.FAILED;
+    }
+
+    /**
+     * Gets the value of the specified IMS feature item for specified network type.
+     * This operation gets the feature config value from the master storage (i.e. final
+     * value). Asynchronous non-blocking call.
+     *
+     * @param feature as defined in com.android.ims.ImsConfig#FeatureConstants.
+     * @param network as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
+     * @param listener feature value returned asynchronously through listener.
+     */
+    @Override
+    public void getFeatureValue(int feature, int network, ImsConfigListener listener)
+            throws RemoteException {
+    }
+
+    /**
+     * Sets the value for IMS feature item for specified network type.
+     * This operation stores the user setting in setting db from which master db
+     * is derived.
+     *
+     * @param feature as defined in com.android.ims.ImsConfig#FeatureConstants.
+     * @param network as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
+     * @param value as defined in com.android.ims.ImsConfig#FeatureValueConstants.
+     * @param listener, provided if caller needs to be notified for set result.
+     */
+    @Override
+    public void setFeatureValue(int feature, int network, int value, ImsConfigListener listener)
+            throws RemoteException {
+    }
+
+    /**
+     * Gets the value for IMS VoLTE provisioned.
+     * This should be the same as the operator provisioned value if applies.
+     */
+    @Override
+    public boolean getVolteProvisioned() throws RemoteException {
+        return false;
+    }
+
+    /**
+     * Gets the value for IMS feature item video quality.
+     *
+     * @param listener Video quality value returned asynchronously through listener.
+     */
+    @Override
+    public void getVideoQuality(ImsConfigListener listener) throws RemoteException {
+    }
+
+    /**
+     * Sets the value for IMS feature item video quality.
+     *
+     * @param quality, defines the value of video quality.
+     * @param listener, provided if caller needs to be notified for set result.
+     */
+    @Override
+    public void setVideoQuality(int quality, ImsConfigListener listener) throws RemoteException {
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsEcbmImplBase.java b/telephony/java/android/telephony/ims/stub/ImsEcbmImplBase.java
new file mode 100644
index 0000000..89f95ff
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsEcbmImplBase.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.RemoteException;
+
+import com.android.ims.internal.IImsEcbm;
+import com.android.ims.internal.IImsEcbmListener;
+
+/**
+ * Base implementation of ImsEcbm, which implements stub versions of the methods
+ * in the IImsEcbm AIDL. Override the methods that your implementation of ImsEcbm supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsEcbm maintained by other ImsServices.
+ *
+ * @hide
+ */
+
+public class ImsEcbmImplBase extends IImsEcbm.Stub {
+
+    /**
+     * Sets the listener.
+     */
+    @Override
+    public void setListener(IImsEcbmListener listener) throws RemoteException {
+
+    }
+
+    /**
+     * Requests Modem to come out of ECBM mode
+     */
+    @Override
+    public void exitEmergencyCallbackMode() throws RemoteException {
+
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsMultiEndpointImplBase.java b/telephony/java/android/telephony/ims/stub/ImsMultiEndpointImplBase.java
new file mode 100644
index 0000000..05da9da
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsMultiEndpointImplBase.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.RemoteException;
+
+import com.android.ims.internal.IImsExternalCallStateListener;
+import com.android.ims.internal.IImsMultiEndpoint;
+
+/**
+ * Base implementation of ImsMultiEndpoint, which implements stub versions of the methods
+ * in the IImsMultiEndpoint AIDL. Override the methods that your implementation of
+ * ImsMultiEndpoint supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsMultiEndpoint maintained by other ImsServices.
+ *
+ * @hide
+ */
+
+public class ImsMultiEndpointImplBase extends IImsMultiEndpoint.Stub {
+
+    /**
+     * Sets the listener.
+     */
+    @Override
+    public void setListener(IImsExternalCallStateListener listener) throws RemoteException {
+
+    }
+
+    /**
+     * Query API to get the latest Dialog Event Package information
+     * Should be invoked only after setListener is done
+     */
+    @Override
+    public void requestImsExternalCallStateInfo() throws RemoteException {
+
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsStreamMediaSessionImplBase.java b/telephony/java/android/telephony/ims/stub/ImsStreamMediaSessionImplBase.java
new file mode 100644
index 0000000..92f1a01
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsStreamMediaSessionImplBase.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.RemoteException;
+
+import com.android.ims.internal.IImsStreamMediaSession;
+
+/**
+ * Base implementation of ImsStreamMediaSession, which implements stub versions of the methods
+ * in the IImsStreamMediaSession AIDL. Override the methods that your implementation of
+ * ImsStreamMediaSession supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsStreamMediaSession maintained by other ImsServices.
+ *
+ * @hide
+ */
+
+public class ImsStreamMediaSessionImplBase extends IImsStreamMediaSession.Stub {
+
+    @Override
+    public void close() throws RemoteException {
+
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsUtImplBase.java b/telephony/java/android/telephony/ims/stub/ImsUtImplBase.java
new file mode 100644
index 0000000..dc74094
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsUtImplBase.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.Bundle;
+import android.os.RemoteException;
+
+import com.android.ims.internal.IImsUt;
+import com.android.ims.internal.IImsUtListener;
+
+/**
+ * Base implementation of ImsUt, which implements stub versions of the methods
+ * in the IImsUt AIDL. Override the methods that your implementation of ImsUt supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsUt maintained by other ImsServices.
+ *
+ * Provides the Ut interface interworking to get/set the supplementary service configuration.
+ *
+ * @hide
+ */
+
+public class ImsUtImplBase extends IImsUt.Stub {
+
+    /**
+     * Closes the object. This object is not usable after being closed.
+     */
+    @Override
+    public void close() throws RemoteException {
+
+    }
+
+    /**
+     * Retrieves the configuration of the call barring.
+     */
+    @Override
+    public int queryCallBarring(int cbType) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the configuration of the call forward.
+     */
+    @Override
+    public int queryCallForward(int condition, String number) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the configuration of the call waiting.
+     */
+    @Override
+    public int queryCallWaiting() throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the default CLIR setting.
+     */
+    @Override
+    public int queryCLIR() throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the CLIP call setting.
+     */
+    @Override
+    public int queryCLIP() throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the COLR call setting.
+     */
+    @Override
+    public int queryCOLR() throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Retrieves the COLP call setting.
+     */
+    @Override
+    public int queryCOLP() throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates or retrieves the supplementary service configuration.
+     */
+    @Override
+    public int transact(Bundle ssInfo) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the call barring.
+     */
+    @Override
+    public int updateCallBarring(int cbType, int action, String[] barrList) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the call forward.
+     */
+    @Override
+    public int updateCallForward(int action, int condition, String number, int serviceClass,
+            int timeSeconds) throws RemoteException {
+        return 0;
+    }
+
+    /**
+     * Updates the configuration of the call waiting.
+     */
+    @Override
+    public int updateCallWaiting(boolean enable, int serviceClass) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the CLIR supplementary service.
+     */
+    @Override
+    public int updateCLIR(int clirMode) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the CLIP supplementary service.
+     */
+    @Override
+    public int updateCLIP(boolean enable) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the COLR supplementary service.
+     */
+    @Override
+    public int updateCOLR(int presentation) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Updates the configuration of the COLP supplementary service.
+     */
+    @Override
+    public int updateCOLP(boolean enable) throws RemoteException {
+        return -1;
+    }
+
+    /**
+     * Sets the listener.
+     */
+    @Override
+    public void setListener(IImsUtListener listener) throws RemoteException {
+    }
+}
diff --git a/telephony/java/android/telephony/ims/stub/ImsUtListenerImplBase.java b/telephony/java/android/telephony/ims/stub/ImsUtListenerImplBase.java
new file mode 100644
index 0000000..b371efb
--- /dev/null
+++ b/telephony/java/android/telephony/ims/stub/ImsUtListenerImplBase.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2017 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.stub;
+
+import android.os.Bundle;
+import android.os.RemoteException;
+
+import com.android.ims.ImsCallForwardInfo;
+import com.android.ims.ImsReasonInfo;
+import com.android.ims.ImsSsInfo;
+import com.android.ims.internal.IImsUt;
+import com.android.ims.internal.IImsUtListener;
+
+/**
+ * Base implementation of ImsUtListener, which implements stub versions of the methods
+ * in the IImsUtListener AIDL. Override the methods that your implementation of
+ * ImsUtListener supports.
+ *
+ * DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
+ * will break other implementations of ImsUtListener maintained by other ImsServices.
+ *
+ * @hide
+ */
+
+public class ImsUtListenerImplBase extends IImsUtListener.Stub {
+
+    /**
+     * Notifies the result of the supplementary service configuration udpate.
+     */
+    @Override
+    public void utConfigurationUpdated(IImsUt ut, int id) throws RemoteException {
+    }
+
+    @Override
+    public void utConfigurationUpdateFailed(IImsUt ut, int id, ImsReasonInfo error)
+            throws RemoteException {
+    }
+
+    /**
+     * Notifies the result of the supplementary service configuration query.
+     */
+    @Override
+    public void utConfigurationQueried(IImsUt ut, int id, Bundle ssInfo) throws RemoteException {
+    }
+
+    @Override
+    public void utConfigurationQueryFailed(IImsUt ut, int id, ImsReasonInfo error)
+            throws RemoteException {
+    }
+
+    /**
+     * Notifies the status of the call barring supplementary service.
+     */
+    @Override
+    public void utConfigurationCallBarringQueried(IImsUt ut, int id, ImsSsInfo[] cbInfo)
+            throws RemoteException {
+    }
+
+    /**
+     * Notifies the status of the call forwarding supplementary service.
+     */
+    @Override
+    public void utConfigurationCallForwardQueried(IImsUt ut, int id, ImsCallForwardInfo[] cfInfo)
+            throws RemoteException {
+    }
+
+    /**
+     * Notifies the status of the call waiting supplementary service.
+     */
+    @Override
+    public void utConfigurationCallWaitingQueried(IImsUt ut, int id, ImsSsInfo[] cwInfo)
+            throws RemoteException {
+    }
+}
diff --git a/telephony/java/com/android/ims/ImsConfig.java b/telephony/java/com/android/ims/ImsConfig.java
new file mode 100644
index 0000000..cd076b1
--- /dev/null
+++ b/telephony/java/com/android/ims/ImsConfig.java
@@ -0,0 +1,694 @@
+/*
+ * Copyright (C) 2017 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.ims;
+
+import android.content.Context;
+import android.os.RemoteException;
+import android.telephony.Rlog;
+
+import com.android.ims.internal.IImsConfig;
+
+/**
+ * Provides APIs to get/set the IMS service feature/capability/parameters.
+ * The config items include:
+ * 1) Items provisioned by the operator.
+ * 2) Items configured by user. Mainly service feature class.
+ *
+ * @hide
+ */
+public class ImsConfig {
+    private static final String TAG = "ImsConfig";
+    private boolean DBG = true;
+    private final IImsConfig miConfig;
+    private Context mContext;
+
+    /**
+     * Broadcast action: the feature enable status was changed
+     *
+     * @hide
+     */
+    public static final String ACTION_IMS_FEATURE_CHANGED =
+            "com.android.intent.action.IMS_FEATURE_CHANGED";
+
+    /**
+     * Broadcast action: the configuration was changed
+     *
+     * @hide
+     */
+    public static final String ACTION_IMS_CONFIG_CHANGED =
+            "com.android.intent.action.IMS_CONFIG_CHANGED";
+
+    /**
+     * Extra parameter "item" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
+     * It is the value of FeatureConstants or ConfigConstants.
+     *
+     * @hide
+     */
+    public static final String EXTRA_CHANGED_ITEM = "item";
+
+    /**
+     * Extra parameter "value" of intent ACTION_IMS_FEATURE_CHANGED and ACTION_IMS_CONFIG_CHANGED.
+     * It is the new value of "item".
+     *
+     * @hide
+     */
+    public static final String EXTRA_NEW_VALUE = "value";
+
+    /**
+    * Defines IMS service/capability feature constants.
+    */
+    public static class FeatureConstants {
+        public static final int FEATURE_TYPE_UNKNOWN = -1;
+
+        /**
+         * FEATURE_TYPE_VOLTE supports features defined in 3GPP and
+         * GSMA IR.92 over LTE.
+         */
+        public static final int FEATURE_TYPE_VOICE_OVER_LTE = 0;
+
+        /**
+         * FEATURE_TYPE_LVC supports features defined in 3GPP and
+         * GSMA IR.94 over LTE.
+         */
+        public static final int FEATURE_TYPE_VIDEO_OVER_LTE = 1;
+
+        /**
+         * FEATURE_TYPE_VOICE_OVER_WIFI supports features defined in 3GPP and
+         * GSMA IR.92 over WiFi.
+         */
+        public static final int FEATURE_TYPE_VOICE_OVER_WIFI = 2;
+
+        /**
+         * FEATURE_TYPE_VIDEO_OVER_WIFI supports features defined in 3GPP and
+         * GSMA IR.94 over WiFi.
+         */
+        public static final int FEATURE_TYPE_VIDEO_OVER_WIFI = 3;
+
+        /**
+         * FEATURE_TYPE_UT supports features defined in 3GPP and
+         * GSMA IR.92 over LTE.
+         */
+        public static final int FEATURE_TYPE_UT_OVER_LTE = 4;
+
+       /**
+         * FEATURE_TYPE_UT_OVER_WIFI supports features defined in 3GPP and
+         * GSMA IR.92 over WiFi.
+         */
+        public static final int FEATURE_TYPE_UT_OVER_WIFI = 5;
+    }
+
+    /**
+    * Defines IMS service/capability parameters.
+    */
+    public static class ConfigConstants {
+
+        // Define IMS config items
+        public static final int CONFIG_START = 0;
+
+        // Define operator provisioned config items
+        public static final int PROVISIONED_CONFIG_START = CONFIG_START;
+
+        /**
+         * AMR CODEC Mode Value set, 0-7 in comma separated sequence.
+         * Value is in String format.
+         */
+        public static final int VOCODER_AMRMODESET = CONFIG_START;
+
+        /**
+         * Wide Band AMR CODEC Mode Value set,0-7 in comma separated sequence.
+         * Value is in String format.
+         */
+        public static final int VOCODER_AMRWBMODESET = 1;
+
+        /**
+         * SIP Session Timer value (seconds).
+         * Value is in Integer format.
+         */
+        public static final int SIP_SESSION_TIMER = 2;
+
+        /**
+         * Minimum SIP Session Expiration Timer in (seconds).
+         * Value is in Integer format.
+         */
+        public static final int MIN_SE = 3;
+
+        /**
+         * SIP_INVITE cancellation time out value (in milliseconds). Integer format.
+         * Value is in Integer format.
+         */
+        public static final int CANCELLATION_TIMER = 4;
+
+        /**
+         * Delay time when an iRAT transition from eHRPD/HRPD/1xRTT to LTE.
+         * Value is in Integer format.
+         */
+        public static final int TDELAY = 5;
+
+        /**
+         * Silent redial status of Enabled (True), or Disabled (False).
+         * Value is in Integer format.
+         */
+        public static final int SILENT_REDIAL_ENABLE = 6;
+
+        /**
+         * SIP T1 timer value in milliseconds. See RFC 3261 for define.
+         * Value is in Integer format.
+         */
+        public static final int SIP_T1_TIMER = 7;
+
+        /**
+         * SIP T2 timer value in milliseconds.  See RFC 3261 for define.
+         * Value is in Integer format.
+         */
+        public static final int SIP_T2_TIMER  = 8;
+
+         /**
+         * SIP TF timer value in milliseconds.  See RFC 3261 for define.
+         * Value is in Integer format.
+         */
+        public static final int SIP_TF_TIMER = 9;
+
+        /**
+         * VoLTE status for VLT/s status of Enabled (1), or Disabled (0).
+         * Value is in Integer format.
+         */
+        public static final int VLT_SETTING_ENABLED = 10;
+
+        /**
+         * VoLTE status for LVC/s status of Enabled (1), or Disabled (0).
+         * Value is in Integer format.
+         */
+        public static final int LVC_SETTING_ENABLED = 11;
+        /**
+         * Domain Name for the device to populate the request URI for REGISTRATION.
+         * Value is in String format.
+         */
+        public static final int DOMAIN_NAME = 12;
+         /**
+         * Device Outgoing SMS based on either 3GPP or 3GPP2 standards.
+         * Value is in Integer format. 3GPP2(0), 3GPP(1)
+         */
+        public static final int SMS_FORMAT = 13;
+         /**
+         * Turns IMS ON/OFF on the device.
+         * Value is in Integer format. ON (1), OFF(0).
+         */
+        public static final int SMS_OVER_IP = 14;
+        /**
+         * Requested expiration for Published Online availability.
+         * Value is in Integer format.
+         */
+        public static final int PUBLISH_TIMER = 15;
+        /**
+         * Requested expiration for Published Offline availability.
+         * Value is in Integer format.
+         */
+        public static final int PUBLISH_TIMER_EXTENDED = 16;
+        /**
+         *
+         * Value is in Integer format.
+         */
+        public static final int CAPABILITY_DISCOVERY_ENABLED = 17;
+        /**
+         * Period of time the capability information of the  contact is cached on handset.
+         * Value is in Integer format.
+         */
+        public static final int CAPABILITIES_CACHE_EXPIRATION = 18;
+        /**
+         * Peiod of time the availability information of a contact is cached on device.
+         * Value is in Integer format.
+         */
+        public static final int AVAILABILITY_CACHE_EXPIRATION = 19;
+        /**
+         * Interval between successive capabilities polling.
+         * Value is in Integer format.
+         */
+        public static final int CAPABILITIES_POLL_INTERVAL = 20;
+        /**
+         * Minimum time between two published messages from the device.
+         * Value is in Integer format.
+         */
+        public static final int SOURCE_THROTTLE_PUBLISH = 21;
+        /**
+         * The Maximum number of MDNs contained in one Request Contained List.
+         * Value is in Integer format.
+         */
+        public static final int MAX_NUMENTRIES_IN_RCL = 22;
+        /**
+         * Expiration timer for subscription of a Request Contained List, used in capability
+         * polling.
+         * Value is in Integer format.
+         */
+        public static final int CAPAB_POLL_LIST_SUB_EXP = 23;
+        /**
+         * Applies compression to LIST Subscription.
+         * Value is in Integer format. Enable (1), Disable(0).
+         */
+        public static final int GZIP_FLAG = 24;
+        /**
+         * VOLTE Status for EAB/s status of Enabled (1), or Disabled (0).
+         * Value is in Integer format.
+         */
+        public static final int EAB_SETTING_ENABLED = 25;
+        /**
+         * Wi-Fi calling roaming status.
+         * Value is in Integer format. ON (1), OFF(0).
+         */
+        public static final int VOICE_OVER_WIFI_ROAMING = 26;
+        /**
+         * Wi-Fi calling modem - WfcModeFeatureValueConstants.
+         * Value is in Integer format.
+         */
+        public static final int VOICE_OVER_WIFI_MODE = 27;
+        /**
+         * VOLTE Status for voice over wifi status of Enabled (1), or Disabled (0).
+         * Value is in Integer format.
+         */
+        public static final int VOICE_OVER_WIFI_SETTING_ENABLED = 28;
+        /**
+         * Mobile data enabled.
+         * Value is in Integer format. On (1), OFF(0).
+         */
+        public static final int MOBILE_DATA_ENABLED = 29;
+        /**
+         * VoLTE user opted in status.
+         * Value is in Integer format. Opted-in (1) Opted-out (0).
+         */
+        public static final int VOLTE_USER_OPT_IN_STATUS = 30;
+        /**
+         * Proxy for Call Session Control Function(P-CSCF) address for Local-BreakOut(LBO).
+         * Value is in String format.
+         */
+        public static final int LBO_PCSCF_ADDRESS = 31;
+        /**
+         * Keep Alive Enabled for SIP.
+         * Value is in Integer format. On(1), OFF(0).
+         */
+        public static final int KEEP_ALIVE_ENABLED = 32;
+        /**
+         * Registration retry Base Time value in seconds.
+         * Value is in Integer format.
+         */
+        public static final int REGISTRATION_RETRY_BASE_TIME_SEC = 33;
+        /**
+         * Registration retry Max Time value in seconds.
+         * Value is in Integer format.
+         */
+        public static final int REGISTRATION_RETRY_MAX_TIME_SEC = 34;
+        /**
+         * Smallest RTP port for speech codec.
+         * Value is in integer format.
+         */
+        public static final int SPEECH_START_PORT = 35;
+        /**
+         * Largest RTP port for speech code.
+         * Value is in Integer format.
+         */
+        public static final int SPEECH_END_PORT = 36;
+        /**
+         * SIP Timer A's value in milliseconds. Timer A is the INVITE request
+         * retransmit interval, for UDP only.
+         * Value is in Integer format.
+         */
+        public static final int SIP_INVITE_REQ_RETX_INTERVAL_MSEC = 37;
+        /**
+         * SIP Timer B's value in milliseconds. Timer B is the wait time for
+         * INVITE message to be acknowledged.
+         * Value is in Integer format.
+         */
+        public static final int SIP_INVITE_RSP_WAIT_TIME_MSEC = 38;
+        /**
+         * SIP Timer D's value in milliseconds. Timer D is the wait time for
+         * response retransmits of the invite client transactions.
+         * Value is in Integer format.
+         */
+        public static final int SIP_INVITE_RSP_RETX_WAIT_TIME_MSEC = 39;
+        /**
+         * SIP Timer E's value in milliseconds. Timer E is the value Non-INVITE
+         * request retransmit interval, for UDP only.
+         * Value is in Integer format.
+         */
+        public static final int SIP_NON_INVITE_REQ_RETX_INTERVAL_MSEC = 40;
+        /**
+         * SIP Timer F's value in milliseconds. Timer F is the Non-INVITE transaction
+         * timeout timer.
+         * Value is in Integer format.
+         */
+        public static final int SIP_NON_INVITE_TXN_TIMEOUT_TIMER_MSEC = 41;
+        /**
+         * SIP Timer G's value in milliseconds. Timer G is the value of INVITE response
+         * retransmit interval.
+         * Value is in Integer format.
+         */
+        public static final int SIP_INVITE_RSP_RETX_INTERVAL_MSEC = 42;
+        /**
+         * SIP Timer H's value in milliseconds. Timer H is the value of wait time for
+         * ACK receipt.
+         * Value is in Integer format.
+         */
+        public static final int SIP_ACK_RECEIPT_WAIT_TIME_MSEC = 43;
+        /**
+         * SIP Timer I's value in milliseconds. Timer I is the value of wait time for
+         * ACK retransmits.
+         * Value is in Integer format.
+         */
+        public static final int SIP_ACK_RETX_WAIT_TIME_MSEC = 44;
+        /**
+         * SIP Timer J's value in milliseconds. Timer J is the value of wait time for
+         * non-invite request retransmission.
+         * Value is in Integer format.
+         */
+        public static final int SIP_NON_INVITE_REQ_RETX_WAIT_TIME_MSEC = 45;
+        /**
+         * SIP Timer K's value in milliseconds. Timer K is the value of wait time for
+         * non-invite response retransmits.
+         * Value is in Integer format.
+         */
+        public static final int SIP_NON_INVITE_RSP_RETX_WAIT_TIME_MSEC = 46;
+        /**
+         * AMR WB octet aligned dynamic payload type.
+         * Value is in Integer format.
+         */
+        public static final int AMR_WB_OCTET_ALIGNED_PT = 47;
+        /**
+         * AMR WB bandwidth efficient payload type.
+         * Value is in Integer format.
+         */
+        public static final int AMR_WB_BANDWIDTH_EFFICIENT_PT = 48;
+        /**
+         * AMR octet aligned dynamic payload type.
+         * Value is in Integer format.
+         */
+        public static final int AMR_OCTET_ALIGNED_PT = 49;
+        /**
+         * AMR bandwidth efficient payload type.
+         * Value is in Integer format.
+         */
+        public static final int AMR_BANDWIDTH_EFFICIENT_PT = 50;
+        /**
+         * DTMF WB payload type.
+         * Value is in Integer format.
+         */
+        public static final int DTMF_WB_PT = 51;
+        /**
+         * DTMF NB payload type.
+         * Value is in Integer format.
+         */
+        public static final int DTMF_NB_PT = 52;
+        /**
+         * AMR Default encoding mode.
+         * Value is in Integer format.
+         */
+        public static final int AMR_DEFAULT_MODE = 53;
+        /**
+         * SMS Public Service Identity.
+         * Value is in String format.
+         */
+        public static final int SMS_PSI = 54;
+        /**
+         * Video Quality - VideoQualityFeatureValuesConstants.
+         * Value is in Integer format.
+         */
+        public static final int VIDEO_QUALITY = 55;
+        /**
+         * LTE threshold.
+         * Handover from LTE to WiFi if LTE < THLTE1 and WiFi >= VOWT_A.
+         */
+        public static final int TH_LTE1 = 56;
+        /**
+         * LTE threshold.
+         * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
+         */
+        public static final int TH_LTE2 = 57;
+        /**
+         * LTE threshold.
+         * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
+         */
+        public static final int TH_LTE3 = 58;
+        /**
+         * 1x threshold.
+         * Handover from 1x to WiFi if 1x < TH1x
+         */
+        public static final int TH_1x = 59;
+        /**
+         * WiFi threshold.
+         * Handover from LTE to WiFi if LTE < THLTE1 and WiFi >= VOWT_A.
+         */
+        public static final int VOWT_A = 60;
+        /**
+         * WiFi threshold.
+         * Handover from WiFi to LTE if LTE >= THLTE3 or (WiFi < VOWT_B and LTE >= THLTE2).
+         */
+        public static final int VOWT_B = 61;
+        /**
+         * LTE ePDG timer.
+         * Device shall not handover back to LTE until the T_ePDG_LTE timer expires.
+         */
+        public static final int T_EPDG_LTE = 62;
+        /**
+         * WiFi ePDG timer.
+         * Device shall not handover back to WiFi until the T_ePDG_WiFi timer expires.
+         */
+        public static final int T_EPDG_WIFI = 63;
+        /**
+         * 1x ePDG timer.
+         * Device shall not re-register on 1x until the T_ePDG_1x timer expires.
+         */
+        public static final int T_EPDG_1X = 64;
+        /**
+         * MultiEndpoint status: Enabled (1), or Disabled (0).
+         * Value is in Integer format.
+         */
+        public static final int VICE_SETTING_ENABLED = 65;
+
+        // Expand the operator config items as needed here, need to change
+        // PROVISIONED_CONFIG_END after that.
+        public static final int PROVISIONED_CONFIG_END = VICE_SETTING_ENABLED;
+
+        // Expand the operator config items as needed here.
+    }
+
+    /**
+    * Defines IMS set operation status.
+    */
+    public static class OperationStatusConstants {
+        public static final int UNKNOWN = -1;
+        public static final int SUCCESS = 0;
+        public static final int FAILED =  1;
+        public static final int UNSUPPORTED_CAUSE_NONE = 2;
+        public static final int UNSUPPORTED_CAUSE_RAT = 3;
+        public static final int UNSUPPORTED_CAUSE_DISABLED = 4;
+    }
+
+    /**
+     * Defines IMS get operation values.
+     */
+    public static class OperationValuesConstants {
+        /**
+         * Values related to Video Quality
+         */
+        public static final int VIDEO_QUALITY_UNKNOWN = -1;
+        public static final int VIDEO_QUALITY_LOW = 0;
+        public static final int VIDEO_QUALITY_HIGH = 1;
+    }
+
+    /**
+     * Defines IMS video quality feature value.
+     */
+    public static class VideoQualityFeatureValuesConstants {
+        public static final int LOW = 0;
+        public static final int HIGH = 1;
+    }
+
+   /**
+    * Defines IMS feature value.
+    */
+    public static class FeatureValueConstants {
+        public static final int OFF = 0;
+        public static final int ON = 1;
+    }
+
+    /**
+     * Defines IMS feature value.
+     */
+    public static class WfcModeFeatureValueConstants {
+        public static final int WIFI_ONLY = 0;
+        public static final int CELLULAR_PREFERRED = 1;
+        public static final int WIFI_PREFERRED = 2;
+    }
+
+    public ImsConfig(IImsConfig iconfig, Context context) {
+        if (DBG) Rlog.d(TAG, "ImsConfig creates");
+        miConfig = iconfig;
+        mContext = context;
+    }
+
+    /**
+     * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
+     * This function should not be called from the mainthread as it could block the
+     * mainthread.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @return the value in Integer format.
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public int getProvisionedValue(int item) throws ImsException {
+        int ret = 0;
+        try {
+            ret = miConfig.getProvisionedValue(item);
+        }  catch (RemoteException e) {
+            throw new ImsException("getValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+        if (DBG) Rlog.d(TAG, "getProvisionedValue(): item = " + item + ", ret =" + ret);
+
+        return ret;
+    }
+
+    /**
+     * Gets the provisioned value for IMS service/capabilities parameters used by IMS stack.
+     * This function should not be called from the mainthread as it could block the
+     * mainthread.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @return value in String format.
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public String getProvisionedStringValue(int item) throws ImsException {
+        String ret = "Unknown";
+        try {
+            ret = miConfig.getProvisionedStringValue(item);
+        }  catch (RemoteException e) {
+            throw new ImsException("getProvisionedStringValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+        if (DBG) Rlog.d(TAG, "getProvisionedStringValue(): item = " + item + ", ret =" + ret);
+
+        return ret;
+    }
+
+    /**
+     * Sets the value for IMS service/capabilities parameters by
+     * the operator device management entity.
+     * This function should not be called from main thread as it could block
+     * mainthread.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @param value in Integer format.
+     * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public int setProvisionedValue(int item, int value)
+            throws ImsException {
+        int ret = OperationStatusConstants.UNKNOWN;
+        if (DBG) {
+            Rlog.d(TAG, "setProvisionedValue(): item = " + item +
+                    "value = " + value);
+        }
+        try {
+            ret = miConfig.setProvisionedValue(item, value);
+        }  catch (RemoteException e) {
+            throw new ImsException("setProvisionedValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+        if (DBG) {
+            Rlog.d(TAG, "setProvisionedValue(): item = " + item +
+                    " value = " + value + " ret = " + ret);
+        }
+        return ret;
+    }
+
+    /**
+     * Sets the value for IMS service/capabilities parameters by
+     * the operator device management entity.
+     * This function should not be called from main thread as it could block
+     * mainthread.
+     *
+     * @param item, as defined in com.android.ims.ImsConfig#ConfigConstants.
+     * @param value in String format.
+     * @return as defined in com.android.ims.ImsConfig#OperationStatusConstants
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public int setProvisionedStringValue(int item, String value)
+            throws ImsException {
+        int ret = OperationStatusConstants.UNKNOWN;
+        try {
+            ret = miConfig.setProvisionedStringValue(item, value);
+        }  catch (RemoteException e) {
+            throw new ImsException("setProvisionedStringValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+        if (DBG) {
+            Rlog.d(TAG, "setProvisionedStringValue(): item = " + item +
+                    ", value =" + value);
+        }
+        return ret;
+    }
+
+    /**
+     * Gets the value for IMS feature item for specified network type.
+     *
+     * @param feature, defined as in FeatureConstants.
+     * @param network, defined as in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
+     * @param listener, provided to be notified for the feature on/off status.
+     * @return void
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public void getFeatureValue(int feature, int network,
+            ImsConfigListener listener) throws ImsException {
+        if (DBG) {
+            Rlog.d(TAG, "getFeatureValue: feature = " + feature + ", network =" + network +
+                    ", listener =" + listener);
+        }
+        try {
+            miConfig.getFeatureValue(feature, network, listener);
+        } catch (RemoteException e) {
+            throw new ImsException("getFeatureValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+    }
+
+    /**
+     * Sets the value for IMS feature item for specified network type.
+     *
+     * @param feature, as defined in FeatureConstants.
+     * @param network, as defined in android.telephony.TelephonyManager#NETWORK_TYPE_XXX.
+     * @param value, as defined in FeatureValueConstants.
+     * @param listener, provided if caller needs to be notified for set result.
+     * @return void
+     *
+     * @throws ImsException if calling the IMS service results in an error.
+     */
+    public void setFeatureValue(int feature, int network, int value,
+            ImsConfigListener listener) throws ImsException {
+        if (DBG) {
+            Rlog.d(TAG, "setFeatureValue: feature = " + feature + ", network =" + network +
+                    ", value =" + value + ", listener =" + listener);
+        }
+        try {
+            miConfig.setFeatureValue(feature, network, value, listener);
+        } catch (RemoteException e) {
+            throw new ImsException("setFeatureValue()", e,
+                    ImsReasonInfo.CODE_LOCAL_SERVICE_UNAVAILABLE);
+        }
+    }
+}
diff --git a/telephony/java/com/android/ims/ImsException.java b/telephony/java/com/android/ims/ImsException.java
new file mode 100644
index 0000000..74b20f4
--- /dev/null
+++ b/telephony/java/com/android/ims/ImsException.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2013 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.ims;
+
+/**
+ * This class defines a general IMS-related exception.
+ *
+ * @hide
+ */
+public class ImsException extends Exception {
+
+    /**
+     * Refer to CODE_LOCAL_* in {@link ImsReasonInfo}
+     */
+    private int mCode;
+
+    public ImsException() {
+    }
+
+    public ImsException(String message, int code) {
+        super(message + ", code = " + code);
+        mCode = code;
+    }
+
+    public ImsException(String message, Throwable cause, int code) {
+        super(message, cause);
+        mCode = code;
+    }
+
+    /**
+     * Gets the detailed exception code when ImsException is throwed
+     *
+     * @return the exception code in {@link ImsReasonInfo}
+     */
+    public int getCode() {
+        return mCode;
+    }
+}
diff --git a/telephony/java/com/android/ims/ImsReasonInfo.java b/telephony/java/com/android/ims/ImsReasonInfo.java
index c71808c..e4f380f 100644
--- a/telephony/java/com/android/ims/ImsReasonInfo.java
+++ b/telephony/java/com/android/ims/ImsReasonInfo.java
@@ -313,6 +313,12 @@
     public static final int CODE_WIFI_LOST = 1407;
 
     /**
+     * Indicates the registration attempt on IWLAN failed due to IKEv2 authetication failure
+     * during tunnel establishment.
+     */
+    public static final int CODE_IKEV2_AUTH_FAILURE = 1408;
+
+    /**
      * Network string error messages.
      * mExtraMessage may have these values.
      */
diff --git a/telephony/java/com/android/ims/ImsUtInterface.java b/telephony/java/com/android/ims/ImsUtInterface.java
new file mode 100644
index 0000000..5984e78
--- /dev/null
+++ b/telephony/java/com/android/ims/ImsUtInterface.java
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2013 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.ims;
+
+import android.os.Message;
+
+/**
+ * Provides APIs for the supplementary service settings using IMS (Ut interface).
+ * It is created from 3GPP TS 24.623 (XCAP(XML Configuration Access Protocol)
+ * over the Ut interface for manipulating supplementary services).
+ *
+ * @hide
+ */
+public interface ImsUtInterface {
+    /**
+     * Actions
+     * @hide
+     */
+    public static final int ACTION_DEACTIVATION = 0;
+    public static final int ACTION_ACTIVATION = 1;
+    public static final int ACTION_REGISTRATION = 3;
+    public static final int ACTION_ERASURE = 4;
+    public static final int ACTION_INTERROGATION = 5;
+
+    /**
+     * OIR (Originating Identification Restriction, 3GPP TS 24.607)
+     * OIP (Originating Identification Presentation, 3GPP TS 24.607)
+     * TIR (Terminating Identification Restriction, 3GPP TS 24.608)
+     * TIP (Terminating Identification Presentation, 3GPP TS 24.608)
+     */
+    public static final int OIR_DEFAULT = 0;    // "user subscription default value"
+    public static final int OIR_PRESENTATION_RESTRICTED = 1;
+    public static final int OIR_PRESENTATION_NOT_RESTRICTED = 2;
+
+    /**
+     * CW (Communication Waiting, 3GPP TS 24.615)
+     */
+
+    /**
+     * CDIV (Communication Diversion, 3GPP TS 24.604)
+     *     actions: target, no reply timer
+     */
+    public static final int CDIV_CF_UNCONDITIONAL = 0;
+    public static final int CDIV_CF_BUSY = 1;
+    public static final int CDIV_CF_NO_REPLY = 2;
+    public static final int CDIV_CF_NOT_REACHABLE = 3;
+    // For CS service code: 002
+    public static final int CDIV_CF_ALL = 4;
+    // For CS service code: 004
+    public static final int CDIV_CF_ALL_CONDITIONAL = 5;
+    // It's only supported in the IMS service (CS does not define it).
+    // IR.92 recommends that an UE activates both the CFNRc and the CFNL
+    // (CDIV using condition not-registered) to the same target.
+    public static final int CDIV_CF_NOT_LOGGED_IN = 6;
+
+    /**
+     * CB (Communication Barring, 3GPP TS 24.611)
+     */
+    // Barring of All Incoming Calls
+    public static final int CB_BAIC = 1;
+    // Barring of All Outgoing Calls
+    public static final int CB_BAOC = 2;
+    // Barring of Outgoing International Calls
+    public static final int CB_BOIC = 3;
+    // Barring of Outgoing International Calls - excluding Home Country
+    public static final int CB_BOIC_EXHC = 4;
+    // Barring of Incoming Calls - when roaming
+    public static final int CB_BIC_WR = 5;
+    // Barring of Anonymous Communication Rejection (ACR) - a particular case of ICB service
+    public static final int CB_BIC_ACR = 6;
+    // Barring of All Calls
+    public static final int CB_BA_ALL = 7;
+    // Barring of Outgoing Services (Service Code 333 - 3GPP TS 22.030 Table B-1)
+    public static final int CB_BA_MO = 8;
+    // Barring of Incoming Services (Service Code 353 - 3GPP TS 22.030 Table B-1)
+    public static final int CB_BA_MT = 9;
+    // Barring of Specific Incoming calls
+    public static final int CB_BS_MT = 10;
+
+    /**
+     * Invalid result value.
+     */
+    public static final int INVALID = (-1);
+
+
+
+    /**
+     * Operations for the supplementary service configuration
+     */
+
+    /**
+     * Retrieves the configuration of the call barring.
+     * The return value of ((AsyncResult)result.obj) is an array of {@link ImsSsInfo}.
+     */
+    public void queryCallBarring(int cbType, Message result);
+
+    /**
+     * Retrieves the configuration of the call forward.
+     * The return value of ((AsyncResult)result.obj) is an array of {@link ImsCallForwardInfo}.
+     */
+    public void queryCallForward(int condition, String number, Message result);
+
+    /**
+     * Retrieves the configuration of the call waiting.
+     * The return value of ((AsyncResult)result.obj) is an array of {@link ImsSsInfo}.
+     */
+    public void queryCallWaiting(Message result);
+
+    /**
+     * Retrieves the default CLIR setting.
+     */
+    public void queryCLIR(Message result);
+
+    /**
+     * Retrieves the CLIP call setting.
+     */
+    public void queryCLIP(Message result);
+
+    /**
+     * Retrieves the COLR call setting.
+     */
+    public void queryCOLR(Message result);
+
+    /**
+     * Retrieves the COLP call setting.
+     */
+    public void queryCOLP(Message result);
+
+    /**
+     * Modifies the configuration of the call barring.
+     */
+    public void updateCallBarring(int cbType, int action,
+            Message result, String[] barrList);
+
+    /**
+     * Modifies the configuration of the call forward.
+     */
+    public void updateCallForward(int action, int condition, String number,
+            int serviceClass, int timeSeconds, Message result);
+
+    /**
+     * Modifies the configuration of the call waiting.
+     */
+    public void updateCallWaiting(boolean enable, int serviceClass, Message result);
+
+    /**
+     * Updates the configuration of the CLIR supplementary service.
+     */
+    public void updateCLIR(int clirMode, Message result);
+
+    /**
+     * Updates the configuration of the CLIP supplementary service.
+     */
+    public void updateCLIP(boolean enable, Message result);
+
+    /**
+     * Updates the configuration of the COLR supplementary service.
+     */
+    public void updateCOLR(int presentation, Message result);
+
+    /**
+     * Updates the configuration of the COLP supplementary service.
+     */
+    public void updateCOLP(boolean enable, Message result);
+}
diff --git a/telephony/java/com/android/ims/internal/IImsServiceFeatureListener.aidl b/telephony/java/com/android/ims/internal/IImsServiceFeatureListener.aidl
index 82a13dc..df10700 100644
--- a/telephony/java/com/android/ims/internal/IImsServiceFeatureListener.aidl
+++ b/telephony/java/com/android/ims/internal/IImsServiceFeatureListener.aidl
@@ -17,7 +17,8 @@
 package com.android.ims.internal;
 
 /**
-*  Interface from ImsResolver to ImsServiceProxy in ImsManager.
+ *  Interface from ImsResolver to ImsServiceProxy in ImsManager.
+ * Callback to ImsManager when a feature changes in the ImsServiceController.
  * {@hide}
  */
 oneway interface IImsServiceFeatureListener {
diff --git a/telephony/java/com/android/ims/internal/ImsCallSession.java b/telephony/java/com/android/ims/internal/ImsCallSession.java
new file mode 100644
index 0000000..8196b23
--- /dev/null
+++ b/telephony/java/com/android/ims/internal/ImsCallSession.java
@@ -0,0 +1,1290 @@
+/*
+ * Copyright (c) 2013 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.ims.internal;
+
+import android.os.Message;
+import android.os.RemoteException;
+
+import java.util.Objects;
+
+import android.telephony.ims.stub.ImsCallSessionListenerImplBase;
+import android.util.Log;
+import com.android.ims.ImsCallProfile;
+import com.android.ims.ImsConferenceState;
+import com.android.ims.ImsReasonInfo;
+import com.android.ims.ImsStreamMediaProfile;
+import com.android.ims.ImsSuppServiceNotification;
+
+/**
+ * Provides the call initiation/termination, and media exchange between two IMS endpoints.
+ * It directly communicates with IMS service which implements the IMS protocol behavior.
+ *
+ * @hide
+ */
+public class ImsCallSession {
+    private static final String TAG = "ImsCallSession";
+
+    /**
+     * Defines IMS call session state.
+     */
+    public static class State {
+        public static final int IDLE = 0;
+        public static final int INITIATED = 1;
+        public static final int NEGOTIATING = 2;
+        public static final int ESTABLISHING = 3;
+        public static final int ESTABLISHED = 4;
+
+        public static final int RENEGOTIATING = 5;
+        public static final int REESTABLISHING = 6;
+
+        public static final int TERMINATING = 7;
+        public static final int TERMINATED = 8;
+
+        public static final int INVALID = (-1);
+
+        /**
+         * Converts the state to string.
+         */
+        public static String toString(int state) {
+            switch (state) {
+                case IDLE:
+                    return "IDLE";
+                case INITIATED:
+                    return "INITIATED";
+                case NEGOTIATING:
+                    return "NEGOTIATING";
+                case ESTABLISHING:
+                    return "ESTABLISHING";
+                case ESTABLISHED:
+                    return "ESTABLISHED";
+                case RENEGOTIATING:
+                    return "RENEGOTIATING";
+                case REESTABLISHING:
+                    return "REESTABLISHING";
+                case TERMINATING:
+                    return "TERMINATING";
+                case TERMINATED:
+                    return "TERMINATED";
+                default:
+                    return "UNKNOWN";
+            }
+        }
+
+        private State() {
+        }
+    }
+
+    /**
+     * Listener for events relating to an IMS session, such as when a session is being
+     * recieved ("on ringing") or a call is outgoing ("on calling").
+     * <p>Many of these events are also received by {@link ImsCall.Listener}.</p>
+     */
+    public static class Listener {
+        /**
+         * Called when a request is sent out to initiate a new session
+         * and 1xx response is received from the network.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionProgressing(ImsCallSession session,
+                ImsStreamMediaProfile profile) {
+            // no-op
+        }
+
+        /**
+         * Called when the session is established.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionStarted(ImsCallSession session,
+                ImsCallProfile profile) {
+            // no-op
+        }
+
+        /**
+         * Called when the session establishment is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the session establishment failure
+         */
+        public void callSessionStartFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session is terminated.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the session termination
+         */
+        public void callSessionTerminated(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session is in hold.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionHeld(ImsCallSession session,
+                ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session hold is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the session hold failure
+         */
+        public void callSessionHoldFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session hold is received from the remote user.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionHoldReceived(ImsCallSession session,
+                ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session resume is done.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionResumed(ImsCallSession session,
+                ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session resume is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the session resume failure
+         */
+        public void callSessionResumeFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session resume is received from the remote user.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionResumeReceived(ImsCallSession session,
+                ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session merge has been started.  At this point, the {@code newSession}
+         * represents the session which has been initiated to the IMS conference server for the
+         * new merged conference.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param newSession the session object that is merged with an active & hold session
+         */
+        public void callSessionMergeStarted(ImsCallSession session,
+                ImsCallSession newSession, ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session merge is successful and the merged session is active.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionMergeComplete(ImsCallSession session) {
+        }
+
+        /**
+         * Called when the session merge has failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the call merge failure
+         */
+        public void callSessionMergeFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session is updated (except for hold/unhold).
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionUpdated(ImsCallSession session,
+                ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the session update is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the session update failure
+         */
+        public void callSessionUpdateFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the session update is received from the remote user.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionUpdateReceived(ImsCallSession session,
+                ImsCallProfile profile) {
+            // no-op
+        }
+
+        /**
+         * Called when the session is extended to the conference session.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param newSession the session object that is extended to the conference
+         *      from the active session
+         */
+        public void callSessionConferenceExtended(ImsCallSession session,
+                ImsCallSession newSession, ImsCallProfile profile) {
+        }
+
+        /**
+         * Called when the conference extension is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the conference extension failure
+         */
+        public void callSessionConferenceExtendFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+        }
+
+        /**
+         * Called when the conference extension is received from the remote user.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionConferenceExtendReceived(ImsCallSession session,
+                ImsCallSession newSession, ImsCallProfile profile) {
+            // no-op
+        }
+
+        /**
+         * Called when the invitation request of the participants is delivered to the conference
+         * server.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionInviteParticipantsRequestDelivered(ImsCallSession session) {
+            // no-op
+        }
+
+        /**
+         * Called when the invitation request of the participants is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the conference invitation failure
+         */
+        public void callSessionInviteParticipantsRequestFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            // no-op
+        }
+
+        /**
+         * Called when the removal request of the participants is delivered to the conference
+         * server.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionRemoveParticipantsRequestDelivered(ImsCallSession session) {
+            // no-op
+        }
+
+        /**
+         * Called when the removal request of the participants is failed.
+         *
+         * @param session the session object that carries out the IMS session
+         * @param reasonInfo detailed reason of the conference removal failure
+         */
+        public void callSessionRemoveParticipantsRequestFailed(ImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            // no-op
+        }
+
+        /**
+         * Called when the conference state is updated.
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionConferenceStateUpdated(ImsCallSession session,
+                ImsConferenceState state) {
+            // no-op
+        }
+
+        /**
+         * Called when the USSD message is received from the network.
+         *
+         * @param mode mode of the USSD message (REQUEST / NOTIFY)
+         * @param ussdMessage USSD message
+         */
+        public void callSessionUssdMessageReceived(ImsCallSession session,
+                int mode, String ussdMessage) {
+            // no-op
+        }
+
+        /**
+         * Called when session access technology changes
+         *
+         * @param session IMS session object
+         * @param srcAccessTech original access technology
+         * @param targetAccessTech new access technology
+         * @param reasonInfo
+         */
+        public void callSessionHandover(ImsCallSession session,
+                                 int srcAccessTech, int targetAccessTech,
+                                 ImsReasonInfo reasonInfo) {
+            // no-op
+        }
+
+        /**
+         * Called when session access technology change fails
+         *
+         * @param session IMS session object
+         * @param srcAccessTech original access technology
+         * @param targetAccessTech new access technology
+         * @param reasonInfo handover failure reason
+         */
+        public void callSessionHandoverFailed(ImsCallSession session,
+                                       int srcAccessTech, int targetAccessTech,
+                                       ImsReasonInfo reasonInfo) {
+            // no-op
+        }
+
+        /**
+         * Called when TTY mode of remote party changed
+         *
+         * @param session IMS session object
+         * @param mode TTY mode of remote party
+         */
+        public void callSessionTtyModeReceived(ImsCallSession session,
+                                       int mode) {
+            // no-op
+        }
+
+        /**
+         * Notifies of a change to the multiparty state for this {@code ImsCallSession}.
+         *
+         * @param session The call session.
+         * @param isMultiParty {@code true} if the session became multiparty, {@code false}
+         *      otherwise.
+         */
+        public void callSessionMultipartyStateChanged(ImsCallSession session,
+                boolean isMultiParty) {
+            // no-op
+        }
+
+        /**
+         * Called when the session supplementary service is received
+         *
+         * @param session the session object that carries out the IMS session
+         */
+        public void callSessionSuppServiceReceived(ImsCallSession session,
+                ImsSuppServiceNotification suppServiceInfo) {
+        }
+    }
+
+    private final IImsCallSession miSession;
+    private boolean mClosed = false;
+    private Listener mListener;
+
+    public ImsCallSession(IImsCallSession iSession) {
+        miSession = iSession;
+
+        if (iSession != null) {
+            try {
+                iSession.setListener(new IImsCallSessionListenerProxy());
+            } catch (RemoteException e) {
+            }
+        } else {
+            mClosed = true;
+        }
+    }
+
+    public ImsCallSession(IImsCallSession iSession, Listener listener) {
+        this(iSession);
+        setListener(listener);
+    }
+
+    /**
+     * Closes this object. This object is not usable after being closed.
+     */
+    public synchronized void close() {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.close();
+            mClosed = true;
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Gets the call ID of the session.
+     *
+     * @return the call ID
+     */
+    public String getCallId() {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getCallId();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the call profile that this session is associated with
+     *
+     * @return the call profile that this session is associated with
+     */
+    public ImsCallProfile getCallProfile() {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getCallProfile();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the local call profile that this session is associated with
+     *
+     * @return the local call profile that this session is associated with
+     */
+    public ImsCallProfile getLocalCallProfile() {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getLocalCallProfile();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the remote call profile that this session is associated with
+     *
+     * @return the remote call profile that this session is associated with
+     */
+    public ImsCallProfile getRemoteCallProfile() {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getRemoteCallProfile();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the video call provider for the session.
+     *
+     * @return The video call provider.
+     */
+    public IImsVideoCallProvider getVideoCallProvider() {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getVideoCallProvider();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the value associated with the specified property of this session.
+     *
+     * @return the string value associated with the specified property
+     */
+    public String getProperty(String name) {
+        if (mClosed) {
+            return null;
+        }
+
+        try {
+            return miSession.getProperty(name);
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the session state.
+     * The value returned must be one of the states in {@link State}.
+     *
+     * @return the session state
+     */
+    public int getState() {
+        if (mClosed) {
+            return State.INVALID;
+        }
+
+        try {
+            return miSession.getState();
+        } catch (RemoteException e) {
+            return State.INVALID;
+        }
+    }
+
+    /**
+     * Determines if the {@link ImsCallSession} is currently alive (e.g. not in a terminated or
+     * closed state).
+     *
+     * @return {@code True} if the session is alive.
+     */
+    public boolean isAlive() {
+        if (mClosed) {
+            return false;
+        }
+
+        int state = getState();
+        switch (state) {
+            case State.IDLE:
+            case State.INITIATED:
+            case State.NEGOTIATING:
+            case State.ESTABLISHING:
+            case State.ESTABLISHED:
+            case State.RENEGOTIATING:
+            case State.REESTABLISHING:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * Gets the native IMS call session.
+     * @hide
+     */
+    public IImsCallSession getSession() {
+        return miSession;
+    }
+
+    /**
+     * Checks if the session is in call.
+     *
+     * @return true if the session is in call
+     */
+    public boolean isInCall() {
+        if (mClosed) {
+            return false;
+        }
+
+        try {
+            return miSession.isInCall();
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
+    /**
+     * Sets the listener to listen to the session events. A {@link ImsCallSession}
+     * can only hold one listener at a time. Subsequent calls to this method
+     * override the previous listener.
+     *
+     * @param listener to listen to the session events of this object
+     */
+    public void setListener(Listener listener) {
+        mListener = listener;
+    }
+
+    /**
+     * Mutes or unmutes the mic for the active call.
+     *
+     * @param muted true if the call is muted, false otherwise
+     */
+    public void setMute(boolean muted) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.setMute(muted);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Initiates an IMS call with the specified target and call profile.
+     * The session listener is called back upon defined session events.
+     * The method is only valid to call when the session state is in
+     * {@link ImsCallSession.State#IDLE}.
+     *
+     * @param callee dialed string to make the call to
+     * @param profile call profile to make the call with the specified service type,
+     *      call type and media information
+     * @see Listener#callSessionStarted, Listener#callSessionStartFailed
+     */
+    public void start(String callee, ImsCallProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.start(callee, profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Initiates an IMS conference call with the specified target and call profile.
+     * The session listener is called back upon defined session events.
+     * The method is only valid to call when the session state is in
+     * {@link ImsCallSession.State#IDLE}.
+     *
+     * @param participants participant list to initiate an IMS conference call
+     * @param profile call profile to make the call with the specified service type,
+     *      call type and media information
+     * @see Listener#callSessionStarted, Listener#callSessionStartFailed
+     */
+    public void start(String[] participants, ImsCallProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.startConference(participants, profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Accepts an incoming call or session update.
+     *
+     * @param callType call type specified in {@link ImsCallProfile} to be answered
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to be answered
+     * @see Listener#callSessionStarted
+     */
+    public void accept(int callType, ImsStreamMediaProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.accept(callType, profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Rejects an incoming call or session update.
+     *
+     * @param reason reason code to reject an incoming call
+     * @see Listener#callSessionStartFailed
+     */
+    public void reject(int reason) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.reject(reason);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Terminates a call.
+     *
+     * @see Listener#callSessionTerminated
+     */
+    public void terminate(int reason) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.terminate(reason);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Puts a call on hold. When it succeeds, {@link Listener#callSessionHeld} is called.
+     *
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to hold the call
+     * @see Listener#callSessionHeld, Listener#callSessionHoldFailed
+     */
+    public void hold(ImsStreamMediaProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.hold(profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Continues a call that's on hold. When it succeeds,
+     * {@link Listener#callSessionResumed} is called.
+     *
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to resume the call
+     * @see Listener#callSessionResumed, Listener#callSessionResumeFailed
+     */
+    public void resume(ImsStreamMediaProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.resume(profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Merges the active & hold call. When it succeeds,
+     * {@link Listener#callSessionMergeStarted} is called.
+     *
+     * @see Listener#callSessionMergeStarted , Listener#callSessionMergeFailed
+     */
+    public void merge() {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.merge();
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Updates the current call's properties (ex. call mode change: video upgrade / downgrade).
+     *
+     * @param callType call type specified in {@link ImsCallProfile} to be updated
+     * @param profile stream media profile {@link ImsStreamMediaProfile} to be updated
+     * @see Listener#callSessionUpdated, Listener#callSessionUpdateFailed
+     */
+    public void update(int callType, ImsStreamMediaProfile profile) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.update(callType, profile);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Extends this call to the conference call with the specified recipients.
+     *
+     * @param participants list to be invited to the conference call after extending the call
+     * @see Listener#callSessionConferenceExtended
+     * @see Listener#callSessionConferenceExtendFailed
+     */
+    public void extendToConference(String[] participants) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.extendToConference(participants);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Requests the conference server to invite an additional participants to the conference.
+     *
+     * @param participants list to be invited to the conference call
+     * @see Listener#callSessionInviteParticipantsRequestDelivered
+     * @see Listener#callSessionInviteParticipantsRequestFailed
+     */
+    public void inviteParticipants(String[] participants) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.inviteParticipants(participants);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Requests the conference server to remove the specified participants from the conference.
+     *
+     * @param participants participant list to be removed from the conference call
+     * @see Listener#callSessionRemoveParticipantsRequestDelivered
+     * @see Listener#callSessionRemoveParticipantsRequestFailed
+     */
+    public void removeParticipants(String[] participants) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.removeParticipants(participants);
+        } catch (RemoteException e) {
+        }
+    }
+
+
+    /**
+     * Sends a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>,
+     * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15,
+     * and event flash to 16. Currently, event flash is not supported.
+     *
+     * @param c the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs.
+     */
+    public void sendDtmf(char c, Message result) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.sendDtmf(c, result);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Starts a DTMF code. According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833</a>,
+     * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15,
+     * and event flash to 16. Currently, event flash is not supported.
+     *
+     * @param c the DTMF to send. '0' ~ '9', 'A' ~ 'D', '*', '#' are valid inputs.
+     */
+    public void startDtmf(char c) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.startDtmf(c);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Stops a DTMF code.
+     */
+    public void stopDtmf() {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.stopDtmf();
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Sends an USSD message.
+     *
+     * @param ussdMessage USSD message to send
+     */
+    public void sendUssd(String ussdMessage) {
+        if (mClosed) {
+            return;
+        }
+
+        try {
+            miSession.sendUssd(ussdMessage);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Determines if the session is multiparty.
+     *
+     * @return {@code True} if the session is multiparty.
+     */
+    public boolean isMultiparty() {
+        if (mClosed) {
+            return false;
+        }
+
+        try {
+            return miSession.isMultiparty();
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
+    /**
+     * A listener type for receiving notification on IMS call session events.
+     * When an event is generated for an {@link IImsCallSession},
+     * the application is notified by having one of the methods called on
+     * the {@link IImsCallSessionListener}.
+     */
+    private class IImsCallSessionListenerProxy extends ImsCallSessionListenerImplBase {
+        /**
+         * Notifies the result of the basic session operation (setup / terminate).
+         */
+        @Override
+        public void callSessionProgressing(IImsCallSession session,
+                ImsStreamMediaProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionProgressing(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionStarted(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionStarted(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionStartFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionStartFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionTerminated(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionTerminated(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        /**
+         * Notifies the result of the call hold/resume operation.
+         */
+        @Override
+        public void callSessionHeld(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionHeld(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionHoldFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionHoldFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionHoldReceived(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionHoldReceived(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionResumed(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionResumed(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionResumeFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionResumeFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionResumeReceived(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionResumeReceived(ImsCallSession.this, profile);
+            }
+        }
+
+        /**
+         * Notifies the start of a call merge operation.
+         *
+         * @param session The call session.
+         * @param newSession The merged call session.
+         * @param profile The call profile.
+         */
+        @Override
+        public void callSessionMergeStarted(IImsCallSession session,
+                IImsCallSession newSession, ImsCallProfile profile) {
+            // This callback can be used for future use to add additional
+            // functionality that may be needed between conference start and complete
+            Log.d(TAG, "callSessionMergeStarted");
+        }
+
+        /**
+         * Notifies the successful completion of a call merge operation.
+         *
+         * @param newSession The call session.
+         */
+        @Override
+        public void callSessionMergeComplete(IImsCallSession newSession) {
+            if (mListener != null) {
+                if (newSession != null) {
+                    // Check if the active session is the same session that was
+                    // active before the merge request was sent.
+                    ImsCallSession validActiveSession = ImsCallSession.this;
+                    try {
+                        if (!Objects.equals(miSession.getCallId(), newSession.getCallId())) {
+                            // New session created after conference
+                            validActiveSession = new ImsCallSession(newSession);
+                        }
+                    } catch (RemoteException rex) {
+                        Log.e(TAG, "callSessionMergeComplete: exception for getCallId!");
+                    }
+                    mListener.callSessionMergeComplete(validActiveSession);
+               } else {
+                   // Session already exists. Hence no need to pass
+                   mListener.callSessionMergeComplete(null);
+               }
+            }
+        }
+
+        /**
+         * Notifies of a failure to perform a call merge operation.
+         *
+         * @param session The call session.
+         * @param reasonInfo The merge failure reason.
+         */
+        @Override
+        public void callSessionMergeFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionMergeFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        /**
+         * Notifies the result of call upgrade / downgrade or any other call updates.
+         */
+        @Override
+        public void callSessionUpdated(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionUpdated(ImsCallSession.this, profile);
+            }
+        }
+
+        @Override
+        public void callSessionUpdateFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionUpdateFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionUpdateReceived(IImsCallSession session,
+                ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionUpdateReceived(ImsCallSession.this, profile);
+            }
+        }
+
+        /**
+         * Notifies the result of conference extension.
+         */
+        @Override
+        public void callSessionConferenceExtended(IImsCallSession session,
+                IImsCallSession newSession, ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionConferenceExtended(ImsCallSession.this,
+                        new ImsCallSession(newSession), profile);
+            }
+        }
+
+        @Override
+        public void callSessionConferenceExtendFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionConferenceExtendFailed(ImsCallSession.this, reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionConferenceExtendReceived(IImsCallSession session,
+                IImsCallSession newSession, ImsCallProfile profile) {
+            if (mListener != null) {
+                mListener.callSessionConferenceExtendReceived(ImsCallSession.this,
+                        new ImsCallSession(newSession), profile);
+            }
+        }
+
+        /**
+         * Notifies the result of the participant invitation / removal to/from
+         * the conference session.
+         */
+        @Override
+        public void callSessionInviteParticipantsRequestDelivered(IImsCallSession session) {
+            if (mListener != null) {
+                mListener.callSessionInviteParticipantsRequestDelivered(ImsCallSession.this);
+            }
+        }
+
+        @Override
+        public void callSessionInviteParticipantsRequestFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionInviteParticipantsRequestFailed(ImsCallSession.this,
+                        reasonInfo);
+            }
+        }
+
+        @Override
+        public void callSessionRemoveParticipantsRequestDelivered(IImsCallSession session) {
+            if (mListener != null) {
+                mListener.callSessionRemoveParticipantsRequestDelivered(ImsCallSession.this);
+            }
+        }
+
+        @Override
+        public void callSessionRemoveParticipantsRequestFailed(IImsCallSession session,
+                ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionRemoveParticipantsRequestFailed(ImsCallSession.this,
+                        reasonInfo);
+            }
+        }
+
+        /**
+         * Notifies the changes of the conference info. in the conference session.
+         */
+        @Override
+        public void callSessionConferenceStateUpdated(IImsCallSession session,
+                ImsConferenceState state) {
+            if (mListener != null) {
+                mListener.callSessionConferenceStateUpdated(ImsCallSession.this, state);
+            }
+        }
+
+        /**
+         * Notifies the incoming USSD message.
+         */
+        @Override
+        public void callSessionUssdMessageReceived(IImsCallSession session,
+                int mode, String ussdMessage) {
+            if (mListener != null) {
+                mListener.callSessionUssdMessageReceived(ImsCallSession.this, mode, ussdMessage);
+            }
+        }
+
+        /**
+         * Notifies of handover information for this call
+         */
+        @Override
+        public void callSessionHandover(IImsCallSession session,
+                                 int srcAccessTech, int targetAccessTech,
+                                 ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionHandover(ImsCallSession.this, srcAccessTech,
+                        targetAccessTech, reasonInfo);
+            }
+        }
+
+        /**
+         * Notifies of handover failure info for this call
+         */
+        @Override
+        public void callSessionHandoverFailed(IImsCallSession session,
+                                       int srcAccessTech, int targetAccessTech,
+                                       ImsReasonInfo reasonInfo) {
+            if (mListener != null) {
+                mListener.callSessionHandoverFailed(ImsCallSession.this, srcAccessTech,
+                        targetAccessTech, reasonInfo);
+            }
+        }
+
+        /**
+         * Notifies the TTY mode received from remote party.
+         */
+        @Override
+        public void callSessionTtyModeReceived(IImsCallSession session,
+                int mode) {
+            if (mListener != null) {
+                mListener.callSessionTtyModeReceived(ImsCallSession.this, mode);
+            }
+        }
+
+        /**
+         * Notifies of a change to the multiparty state for this {@code ImsCallSession}.
+         *
+         * @param session The call session.
+         * @param isMultiParty {@code true} if the session became multiparty, {@code false}
+         *      otherwise.
+         */
+        public void callSessionMultipartyStateChanged(IImsCallSession session,
+                boolean isMultiParty) {
+
+            if (mListener != null) {
+                mListener.callSessionMultipartyStateChanged(ImsCallSession.this, isMultiParty);
+            }
+        }
+
+        @Override
+        public void callSessionSuppServiceReceived(IImsCallSession session,
+                ImsSuppServiceNotification suppServiceInfo ) {
+            if (mListener != null) {
+                mListener.callSessionSuppServiceReceived(ImsCallSession.this, suppServiceInfo);
+            }
+        }
+
+    }
+
+    /**
+     * Provides a string representation of the {@link ImsCallSession}.  Primarily intended for
+     * use in log statements.
+     *
+     * @return String representation of session.
+     */
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("[ImsCallSession objId:");
+        sb.append(System.identityHashCode(this));
+        sb.append(" state:");
+        sb.append(State.toString(getState()));
+        sb.append(" callId:");
+        sb.append(getCallId());
+        sb.append("]");
+        return sb.toString();
+    }
+}
diff --git a/telephony/java/com/android/ims/internal/ImsVideoCallProvider.java b/telephony/java/com/android/ims/internal/ImsVideoCallProvider.java
new file mode 100644
index 0000000..432dc39
--- /dev/null
+++ b/telephony/java/com/android/ims/internal/ImsVideoCallProvider.java
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2017 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.ims.internal;
+
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.os.RemoteException;
+import android.telecom.Connection;
+import android.telecom.VideoProfile;
+import android.telecom.VideoProfile.CameraCapabilities;
+import android.view.Surface;
+
+import com.android.internal.os.SomeArgs;
+
+/**
+ * @hide
+ */
+public abstract class ImsVideoCallProvider {
+    private static final int MSG_SET_CALLBACK = 1;
+    private static final int MSG_SET_CAMERA = 2;
+    private static final int MSG_SET_PREVIEW_SURFACE = 3;
+    private static final int MSG_SET_DISPLAY_SURFACE = 4;
+    private static final int MSG_SET_DEVICE_ORIENTATION = 5;
+    private static final int MSG_SET_ZOOM = 6;
+    private static final int MSG_SEND_SESSION_MODIFY_REQUEST = 7;
+    private static final int MSG_SEND_SESSION_MODIFY_RESPONSE = 8;
+    private static final int MSG_REQUEST_CAMERA_CAPABILITIES = 9;
+    private static final int MSG_REQUEST_CALL_DATA_USAGE = 10;
+    private static final int MSG_SET_PAUSE_IMAGE = 11;
+
+    private final ImsVideoCallProviderBinder mBinder;
+
+    private IImsVideoCallCallback mCallback;
+
+    /**
+     * Default handler used to consolidate binder method calls onto a single thread.
+     */
+    private final Handler mProviderHandler = new Handler(Looper.getMainLooper()) {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_SET_CALLBACK:
+                    mCallback = (IImsVideoCallCallback) msg.obj;
+                    break;
+                case MSG_SET_CAMERA:
+                {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    try {
+                        onSetCamera((String) args.arg1);
+                        onSetCamera((String) args.arg1, args.argi1);
+                    } finally {
+                        args.recycle();
+                    }
+                    break;
+                }
+                case MSG_SET_PREVIEW_SURFACE:
+                    onSetPreviewSurface((Surface) msg.obj);
+                    break;
+                case MSG_SET_DISPLAY_SURFACE:
+                    onSetDisplaySurface((Surface) msg.obj);
+                    break;
+                case MSG_SET_DEVICE_ORIENTATION:
+                    onSetDeviceOrientation(msg.arg1);
+                    break;
+                case MSG_SET_ZOOM:
+                    onSetZoom((Float) msg.obj);
+                    break;
+                case MSG_SEND_SESSION_MODIFY_REQUEST: {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    try {
+                        VideoProfile fromProfile = (VideoProfile) args.arg1;
+                        VideoProfile toProfile = (VideoProfile) args.arg2;
+
+                        onSendSessionModifyRequest(fromProfile, toProfile);
+                    } finally {
+                        args.recycle();
+                    }
+                    break;
+                }
+                case MSG_SEND_SESSION_MODIFY_RESPONSE:
+                    onSendSessionModifyResponse((VideoProfile) msg.obj);
+                    break;
+                case MSG_REQUEST_CAMERA_CAPABILITIES:
+                    onRequestCameraCapabilities();
+                    break;
+                case MSG_REQUEST_CALL_DATA_USAGE:
+                    onRequestCallDataUsage();
+                    break;
+                case MSG_SET_PAUSE_IMAGE:
+                    onSetPauseImage((Uri) msg.obj);
+                    break;
+                default:
+                    break;
+            }
+        }
+    };
+
+    /**
+     * IImsVideoCallProvider stub implementation.
+     */
+    private final class ImsVideoCallProviderBinder extends IImsVideoCallProvider.Stub {
+        public void setCallback(IImsVideoCallCallback callback) {
+            mProviderHandler.obtainMessage(MSG_SET_CALLBACK, callback).sendToTarget();
+        }
+
+        public void setCamera(String cameraId, int uid) {
+            SomeArgs args = SomeArgs.obtain();
+            args.arg1 = cameraId;
+            args.argi1 = uid;
+            mProviderHandler.obtainMessage(MSG_SET_CAMERA, args).sendToTarget();
+        }
+
+        public void setPreviewSurface(Surface surface) {
+            mProviderHandler.obtainMessage(MSG_SET_PREVIEW_SURFACE, surface).sendToTarget();
+        }
+
+        public void setDisplaySurface(Surface surface) {
+            mProviderHandler.obtainMessage(MSG_SET_DISPLAY_SURFACE, surface).sendToTarget();
+        }
+
+        public void setDeviceOrientation(int rotation) {
+            mProviderHandler.obtainMessage(MSG_SET_DEVICE_ORIENTATION, rotation, 0).sendToTarget();
+        }
+
+        public void setZoom(float value) {
+            mProviderHandler.obtainMessage(MSG_SET_ZOOM, value).sendToTarget();
+        }
+
+        public void sendSessionModifyRequest(VideoProfile fromProfile, VideoProfile toProfile) {
+            SomeArgs args = SomeArgs.obtain();
+            args.arg1 = fromProfile;
+            args.arg2 = toProfile;
+            mProviderHandler.obtainMessage(MSG_SEND_SESSION_MODIFY_REQUEST, args).sendToTarget();
+        }
+
+        public void sendSessionModifyResponse(VideoProfile responseProfile) {
+            mProviderHandler.obtainMessage(
+                    MSG_SEND_SESSION_MODIFY_RESPONSE, responseProfile).sendToTarget();
+        }
+
+        public void requestCameraCapabilities() {
+            mProviderHandler.obtainMessage(MSG_REQUEST_CAMERA_CAPABILITIES).sendToTarget();
+        }
+
+        public void requestCallDataUsage() {
+            mProviderHandler.obtainMessage(MSG_REQUEST_CALL_DATA_USAGE).sendToTarget();
+        }
+
+        public void setPauseImage(Uri uri) {
+            mProviderHandler.obtainMessage(MSG_SET_PAUSE_IMAGE, uri).sendToTarget();
+        }
+    }
+
+    public ImsVideoCallProvider() {
+        mBinder = new ImsVideoCallProviderBinder();
+    }
+
+    /**
+     * Returns binder object which can be used across IPC methods.
+     */
+    public final IImsVideoCallProvider getInterface() {
+        return mBinder;
+    }
+
+    /** @see Connection.VideoProvider#onSetCamera */
+    public abstract void onSetCamera(String cameraId);
+
+    /**
+     * Similar to {@link #onSetCamera(String)}, except includes the UID of the calling process which
+     * the IMS service uses when opening the camera.  This ensures camera permissions are verified
+     * by the camera service.
+     *
+     * @param cameraId The id of the camera to be opened.
+     * @param uid The uid of the caller, used when opening the camera for permission verification.
+     * @see Connection.VideoProvider#onSetCamera
+     */
+    public void onSetCamera(String cameraId, int uid) {
+    }
+
+    /** @see Connection.VideoProvider#onSetPreviewSurface */
+    public abstract void onSetPreviewSurface(Surface surface);
+
+    /** @see Connection.VideoProvider#onSetDisplaySurface */
+    public abstract void onSetDisplaySurface(Surface surface);
+
+    /** @see Connection.VideoProvider#onSetDeviceOrientation */
+    public abstract void onSetDeviceOrientation(int rotation);
+
+    /** @see Connection.VideoProvider#onSetZoom */
+    public abstract void onSetZoom(float value);
+
+    /** @see Connection.VideoProvider#onSendSessionModifyRequest */
+    public abstract void onSendSessionModifyRequest(VideoProfile fromProfile,
+            VideoProfile toProfile);
+
+    /** @see Connection.VideoProvider#onSendSessionModifyResponse */
+    public abstract void onSendSessionModifyResponse(VideoProfile responseProfile);
+
+    /** @see Connection.VideoProvider#onRequestCameraCapabilities */
+    public abstract void onRequestCameraCapabilities();
+
+    /** @see Connection.VideoProvider#onRequestCallDataUsage */
+    public abstract void onRequestCallDataUsage();
+
+    /** @see Connection.VideoProvider#onSetPauseImage */
+    public abstract void onSetPauseImage(Uri uri);
+
+    /** @see Connection.VideoProvider#receiveSessionModifyRequest */
+    public void receiveSessionModifyRequest(VideoProfile VideoProfile) {
+        if (mCallback != null) {
+            try {
+                mCallback.receiveSessionModifyRequest(VideoProfile);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#receiveSessionModifyResponse */
+    public void receiveSessionModifyResponse(
+            int status, VideoProfile requestedProfile, VideoProfile responseProfile) {
+        if (mCallback != null) {
+            try {
+                mCallback.receiveSessionModifyResponse(status, requestedProfile, responseProfile);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#handleCallSessionEvent */
+    public void handleCallSessionEvent(int event) {
+        if (mCallback != null) {
+            try {
+                mCallback.handleCallSessionEvent(event);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#changePeerDimensions */
+    public void changePeerDimensions(int width, int height) {
+        if (mCallback != null) {
+            try {
+                mCallback.changePeerDimensions(width, height);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#changeCallDataUsage */
+    public void changeCallDataUsage(long dataUsage) {
+        if (mCallback != null) {
+            try {
+                mCallback.changeCallDataUsage(dataUsage);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#changeCameraCapabilities */
+    public void changeCameraCapabilities(CameraCapabilities CameraCapabilities) {
+        if (mCallback != null) {
+            try {
+                mCallback.changeCameraCapabilities(CameraCapabilities);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+
+    /** @see Connection.VideoProvider#changeVideoQuality */
+    public void changeVideoQuality(int videoQuality) {
+        if (mCallback != null) {
+            try {
+                mCallback.changeVideoQuality(videoQuality);
+            } catch (RemoteException ignored) {
+            }
+        }
+    }
+}
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index f89c82b..42a80b7 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -1227,4 +1227,12 @@
      * @hide
      */
     List<ClientRequestStats> getClientRequestStats(String callingPackage, int subid);
+
+    /**
+     * Set SIM card power state. Request is equivalent to inserting or removing the card.
+     * @param slotId SIM slot id
+     * @param powerUp True if powering up the SIM, otherwise powering down
+     * @hide
+     * */
+    void setSimPowerStateForSlot(int slotId, boolean powerUp);
 }
diff --git a/telephony/java/com/android/internal/telephony/TelephonyIntents.java b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
index 0168874..682b672 100644
--- a/telephony/java/com/android/internal/telephony/TelephonyIntents.java
+++ b/telephony/java/com/android/internal/telephony/TelephonyIntents.java
@@ -264,15 +264,6 @@
             = "android.intent.action.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS";
 
     /**
-     * Activity Action: Start this activity to invoke the carrier setup app.
-     * The carrier app must be signed using a certificate that matches the UICC access rules.
-     *
-     * <p class="note">Callers of this should hold the android.permission.INVOKE_CARRIER_SETUP
-     * permission.</p>
-     */
-    public static final String ACTION_CARRIER_SETUP = "android.intent.action.ACTION_CARRIER_SETUP";
-
-    /**
      * <p>Broadcast Action: Indicates that the action is forbidden by network.
      * <p class="note">
      * This is for the OEM applications to understand about possible provisioning issues.
@@ -411,7 +402,7 @@
      * <p class="note">This is a protected intent that can only be sent by the system.</p>
      */
     public static final String ACTION_CARRIER_SIGNAL_REDIRECTED =
-            "android.intent.action.CARRIER_SIGNAL_REDIRECTED";
+            "com.android.internal.telephony.CARRIER_SIGNAL_REDIRECTED";
     /**
      * <p>Broadcast Action: when data connections setup fails.
      * intended for sim/account status checks and only sent to the specified carrier app
@@ -424,7 +415,7 @@
      * <p class="note">This is a protected intent that can only be sent by the system. </p>
      */
     public static final String ACTION_CARRIER_SIGNAL_REQUEST_NETWORK_FAILED =
-            "android.intent.action.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED";
+            "com.android.internal.telephony.CARRIER_SIGNAL_REQUEST_NETWORK_FAILED";
 
     /**
      * <p>Broadcast Action: when pco value is available.
@@ -441,7 +432,7 @@
      * <p class="note">This is a protected intent that can only be sent by the system. </p>
      */
     public static final String ACTION_CARRIER_SIGNAL_PCO_VALUE =
-            "android.intent.action.CARRIER_SIGNAL_PCO_VALUE";
+            "com.android.internal.telephony.CARRIER_SIGNAL_PCO_VALUE";
 
     // CARRIER_SIGNAL_ACTION extra keys
     public static final String EXTRA_REDIRECTION_URL_KEY = "redirectionUrl";
diff --git a/test-runner/src/android/test/suitebuilder/TestMethod.java b/test-runner/src/android/test/suitebuilder/TestMethod.java
index 08568d5..ae1db5e 100644
--- a/test-runner/src/android/test/suitebuilder/TestMethod.java
+++ b/test-runner/src/android/test/suitebuilder/TestMethod.java
@@ -26,7 +26,11 @@
 /**
  * Represents a test to be run. Can be constructed without instantiating the TestCase or even
  * loading the class.
+ *
+ * @deprecated New tests should be written using the
+ * <a href="{@docRoot}tools/testing-support-library/index.html">Android Testing Support Library</a>.
  */
+@Deprecated
 public class TestMethod {
 
     private final String enclosingClassname;
diff --git a/test-runner/src/android/test/suitebuilder/TestSuiteBuilder.java b/test-runner/src/android/test/suitebuilder/TestSuiteBuilder.java
index 8c89489..3b920cf 100644
--- a/test-runner/src/android/test/suitebuilder/TestSuiteBuilder.java
+++ b/test-runner/src/android/test/suitebuilder/TestSuiteBuilder.java
@@ -38,7 +38,11 @@
 /**
  * Build suites based on a combination of included packages, excluded packages,
  * and predicates that must be satisfied.
+ *
+ * @deprecated New tests should be written using the
+ * <a href="{@docRoot}tools/testing-support-library/index.html">Android Testing Support Library</a>.
  */
+@Deprecated
 public class TestSuiteBuilder {
 
     private Context context;
@@ -223,7 +227,11 @@
     /**
      * A special {@link junit.framework.TestCase} used to indicate a failure during the build()
      * step.
+     *
+     * @deprecated New tests should be written using the
+     * <a href="{@docRoot}tools/testing-support-library/index.html">Android Testing Support Library</a>.
      */
+    @Deprecated
     public static class FailedToCreateTests extends TestCase {
         private final Exception exception;
 
diff --git a/test-runner/src/junit/runner/package-info.java b/test-runner/src/junit/runner/package-info.java
index b746185..364e362 100644
--- a/test-runner/src/junit/runner/package-info.java
+++ b/test-runner/src/junit/runner/package-info.java
@@ -1,4 +1,4 @@
 /**
- * Provides JUnit v3.x test runners.
+ * Utility classes supporting the junit test framework.
  */
 package junit.runner;
\ No newline at end of file
diff --git a/test-runner/src/junit/runner/package.html b/test-runner/src/junit/runner/package.html
deleted file mode 100644
index f08fa70..0000000
--- a/test-runner/src/junit/runner/package.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<HTML>
-<BODY>
-Utility classes supporting the junit test framework.
-</BODY>
-</HTML>
diff --git a/test-runner/src/junit/textui/package-info.java b/test-runner/src/junit/textui/package-info.java
index 2dcc10c..28b2ef4 100644
--- a/test-runner/src/junit/textui/package-info.java
+++ b/test-runner/src/junit/textui/package-info.java
@@ -1,5 +1,5 @@
 /**
- * Provides JUnit v3.x command line based tool to run tests.
+ * Utility classes supporting the junit test framework.
  * {@hide}
  */
 package junit.textui;
\ No newline at end of file
diff --git a/test-runner/src/junit/textui/package.html b/test-runner/src/junit/textui/package.html
deleted file mode 100644
index 723f2ae..0000000
--- a/test-runner/src/junit/textui/package.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<HTML>
-<BODY>
-Utility classes supporting the junit test framework.
-{@hide} - Not needed for 1.0 SDK
-</BODY>
-</HTML>
diff --git a/tests/net/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java b/tests/net/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
index 3ed56df..c72efb0 100644
--- a/tests/net/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/tethering/UpstreamNetworkMonitorTest.java
@@ -32,6 +32,8 @@
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 import android.content.Context;
+import android.os.Handler;
+import android.os.Message;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
 import android.net.IConnectivityManager;
@@ -42,6 +44,10 @@
 import android.support.test.filters.SmallTest;
 import android.support.test.runner.AndroidJUnit4;
 
+import com.android.internal.util.State;
+import com.android.internal.util.StateMachine;
+
+import org.junit.After;
 import org.junit.Before;
 import org.junit.runner.RunWith;
 import org.junit.Test;
@@ -49,6 +55,7 @@
 import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
@@ -63,6 +70,7 @@
     @Mock private Context mContext;
     @Mock private IConnectivityManager mCS;
 
+    private TestStateMachine mSM;
     private TestConnectivityManager mCM;
     private UpstreamNetworkMonitor mUNM;
 
@@ -72,7 +80,15 @@
         reset(mCS);
 
         mCM = spy(new TestConnectivityManager(mContext, mCS));
-        mUNM = new UpstreamNetworkMonitor(null, EVENT_UNM_UPDATE, (ConnectivityManager) mCM);
+        mSM = new TestStateMachine();
+        mUNM = new UpstreamNetworkMonitor(mSM, EVENT_UNM_UPDATE, (ConnectivityManager) mCM);
+    }
+
+    @After public void tearDown() throws Exception {
+        if (mSM != null) {
+            mSM.quit();
+            mSM = null;
+        }
     }
 
     @Test
@@ -139,15 +155,17 @@
 
         mUNM.start();
         verify(mCM, Mockito.times(1)).registerNetworkCallback(
-                any(NetworkRequest.class), any(NetworkCallback.class));
-        verify(mCM, Mockito.times(1)).registerDefaultNetworkCallback(any(NetworkCallback.class));
+                any(NetworkRequest.class), any(NetworkCallback.class), any(Handler.class));
+        verify(mCM, Mockito.times(1)).registerDefaultNetworkCallback(
+                any(NetworkCallback.class), any(Handler.class));
         assertFalse(mUNM.mobileNetworkRequested());
         assertEquals(0, mCM.requested.size());
 
         mUNM.updateMobileRequiresDun(true);
         mUNM.registerMobileNetworkRequest();
         verify(mCM, Mockito.times(1)).requestNetwork(
-                any(NetworkRequest.class), any(NetworkCallback.class), anyInt(), anyInt());
+                any(NetworkRequest.class), any(NetworkCallback.class), anyInt(), anyInt(),
+                any(Handler.class));
 
         assertTrue(mUNM.mobileNetworkRequested());
         assertUpstreamTypeRequested(TYPE_MOBILE_DUN);
@@ -224,6 +242,7 @@
     }
 
     public static class TestConnectivityManager extends ConnectivityManager {
+        public Map<NetworkCallback, Handler> allCallbacks = new HashMap<>();
         public Set<NetworkCallback> trackingDefault = new HashSet<>();
         public Map<NetworkCallback, NetworkRequest> listening = new HashMap<>();
         public Map<NetworkCallback, NetworkRequest> requested = new HashMap<>();
@@ -234,7 +253,8 @@
         }
 
         boolean hasNoCallbacks() {
-            return trackingDefault.isEmpty() &&
+            return allCallbacks.isEmpty() &&
+                   trackingDefault.isEmpty() &&
                    listening.isEmpty() &&
                    requested.isEmpty() &&
                    legacyTypeMap.isEmpty();
@@ -262,14 +282,23 @@
         }
 
         @Override
-        public void requestNetwork(NetworkRequest req, NetworkCallback cb) {
+        public void requestNetwork(NetworkRequest req, NetworkCallback cb, Handler h) {
+            assertFalse(allCallbacks.containsKey(cb));
+            allCallbacks.put(cb, h);
             assertFalse(requested.containsKey(cb));
             requested.put(cb, req);
         }
 
         @Override
+        public void requestNetwork(NetworkRequest req, NetworkCallback cb) {
+            fail("Should never be called.");
+        }
+
+        @Override
         public void requestNetwork(NetworkRequest req, NetworkCallback cb,
-                int timeoutMs, int legacyType) {
+                int timeoutMs, int legacyType, Handler h) {
+            assertFalse(allCallbacks.containsKey(cb));
+            allCallbacks.put(cb, h);
             assertFalse(requested.containsKey(cb));
             requested.put(cb, req);
             assertFalse(legacyTypeMap.containsKey(cb));
@@ -279,18 +308,32 @@
         }
 
         @Override
-        public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb) {
+        public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb, Handler h) {
+            assertFalse(allCallbacks.containsKey(cb));
+            allCallbacks.put(cb, h);
             assertFalse(listening.containsKey(cb));
             listening.put(cb, req);
         }
 
         @Override
-        public void registerDefaultNetworkCallback(NetworkCallback cb) {
+        public void registerNetworkCallback(NetworkRequest req, NetworkCallback cb) {
+            fail("Should never be called.");
+        }
+
+        @Override
+        public void registerDefaultNetworkCallback(NetworkCallback cb, Handler h) {
+            assertFalse(allCallbacks.containsKey(cb));
+            allCallbacks.put(cb, h);
             assertFalse(trackingDefault.contains(cb));
             trackingDefault.add(cb);
         }
 
         @Override
+        public void registerDefaultNetworkCallback(NetworkCallback cb) {
+            fail("Should never be called.");
+        }
+
+        @Override
         public void unregisterNetworkCallback(NetworkCallback cb) {
             if (trackingDefault.contains(cb)) {
                 trackingDefault.remove(cb);
@@ -302,10 +345,35 @@
             } else {
                 fail("Unexpected callback removed");
             }
+            allCallbacks.remove(cb);
 
+            assertFalse(allCallbacks.containsKey(cb));
             assertFalse(trackingDefault.contains(cb));
             assertFalse(listening.containsKey(cb));
             assertFalse(requested.containsKey(cb));
         }
     }
+
+    public static class TestStateMachine extends StateMachine {
+        public final ArrayList<Message> messages = new ArrayList<>();
+        private final State mLoggingState = new LoggingState();
+
+        class LoggingState extends State {
+            @Override public void enter() { messages.clear(); }
+
+            @Override public void exit() { messages.clear(); }
+
+            @Override public boolean processMessage(Message msg) {
+                messages.add(msg);
+                return true;
+            }
+        }
+
+        public TestStateMachine() {
+            super("UpstreamNetworkMonitor.TestStateMachine");
+            addState(mLoggingState);
+            setInitialState(mLoggingState);
+            super.start();
+        }
+    }
 }
diff --git a/tools/fonts/fontchain_lint.py b/tools/fonts/fontchain_lint.py
index 7ec46a3e..c5598f0 100755
--- a/tools/fonts/fontchain_lint.py
+++ b/tools/fonts/fontchain_lint.py
@@ -14,7 +14,9 @@
 
 LANG_TO_SCRIPT = {
     'as': 'Beng',
+    'bg': 'Cyrl',
     'bn': 'Beng',
+    'cu': 'Cyrl',
     'cy': 'Latn',
     'da': 'Latn',
     'de': 'Latn',
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index 306f6f5..2ba573c 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -845,6 +845,7 @@
          * This network is disabled because EAP-TLS failure
          */
         public static final int DISABLED_TLS_VERSION_MISMATCH = 7;
+        // Values above are for temporary disablement; values below are for permanent disablement.
         /**
          * This network is disabled due to absence of user credentials
          */
@@ -969,6 +970,28 @@
         private boolean mHasEverConnected;
 
         /**
+         * Boolean indicating whether {@link com.android.server.wifi.RecommendedNetworkEvaluator}
+         * chose not to connect to this network in the last qualified network selection process.
+         */
+        private boolean mNotRecommended;
+
+        /**
+         * Set whether {@link com.android.server.wifi.RecommendedNetworkEvaluator} does not
+         * recommend connecting to this network.
+         */
+        public void setNotRecommended(boolean notRecommended) {
+            mNotRecommended = notRecommended;
+        }
+
+        /**
+         * Returns whether {@link com.android.server.wifi.RecommendedNetworkEvaluator} does not
+         * recommend connecting to this network.
+         */
+        public boolean isNotRecommended() {
+            return mNotRecommended;
+        }
+
+        /**
          * set whether this network is visible in latest Qualified Network Selection
          * @param seen value set to candidate
          */
@@ -1272,6 +1295,7 @@
             setConnectChoice(source.getConnectChoice());
             setConnectChoiceTimestamp(source.getConnectChoiceTimestamp());
             setHasEverConnected(source.getHasEverConnected());
+            setNotRecommended(source.isNotRecommended());
         }
 
         public void writeToParcel(Parcel dest) {
@@ -1291,6 +1315,7 @@
                 dest.writeInt(CONNECT_CHOICE_NOT_EXISTS);
             }
             dest.writeInt(getHasEverConnected() ? 1 : 0);
+            dest.writeInt(isNotRecommended() ? 1 : 0);
         }
 
         public void readFromParcel(Parcel in) {
@@ -1310,6 +1335,7 @@
                 setConnectChoiceTimestamp(INVALID_NETWORK_SELECTION_DISABLE_TIMESTAMP);
             }
             setHasEverConnected(in.readInt() != 0);
+            setNotRecommended(in.readInt() != 0);
         }
     }
 
diff --git a/wifi/tests/src/android/net/wifi/WifiConfigurationTest.java b/wifi/tests/src/android/net/wifi/WifiConfigurationTest.java
index 5f949747..632cfaf 100644
--- a/wifi/tests/src/android/net/wifi/WifiConfigurationTest.java
+++ b/wifi/tests/src/android/net/wifi/WifiConfigurationTest.java
@@ -20,6 +20,7 @@
 import static org.junit.Assert.assertEquals;
 
 import android.os.Parcel;
+import android.net.wifi.WifiConfiguration.NetworkSelectionStatus;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -66,4 +67,35 @@
 
         assertArrayEquals(bytes, rebytes);
     }
+
+    @Test
+    public void testNetworkSelectionStatusCopy() {
+        NetworkSelectionStatus networkSelectionStatus = new NetworkSelectionStatus();
+        networkSelectionStatus.setNotRecommended(true);
+
+        NetworkSelectionStatus copy = new NetworkSelectionStatus();
+        copy.copy(networkSelectionStatus);
+
+        assertEquals(networkSelectionStatus.isNotRecommended(), copy.isNotRecommended());
+    }
+
+    @Test
+    public void testNetworkSelectionStatusParcel() {
+        NetworkSelectionStatus networkSelectionStatus = new NetworkSelectionStatus();
+        networkSelectionStatus.setNotRecommended(true);
+
+        Parcel parcelW = Parcel.obtain();
+        networkSelectionStatus.writeToParcel(parcelW);
+        byte[] bytes = parcelW.marshall();
+        parcelW.recycle();
+
+        Parcel parcelR = Parcel.obtain();
+        parcelR.unmarshall(bytes, 0, bytes.length);
+        parcelR.setDataPosition(0);
+
+        NetworkSelectionStatus copy = new NetworkSelectionStatus();
+        copy.readFromParcel(parcelR);
+
+        assertEquals(networkSelectionStatus.isNotRecommended(), copy.isNotRecommended());
+    }
 }