3 files changed, 15 insertions, 5 deletions
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 0b8568626465..14c495f5a17a 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -1998,7 +1998,7 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
             data.enforceInterface(IActivityManager.descriptor);
             IBinder parentActivityToken = data.readStrongBinder();
             IActivityContainerCallback callback =
-                    (IActivityContainerCallback) data.readStrongBinder();
+                    IActivityContainerCallback.Stub.asInterface(data.readStrongBinder());
             IActivityContainer activityContainer =
                     createActivityContainer(parentActivityToken, callback);
             reply.writeNoException();
@@ -4627,7 +4627,7 @@ class ActivityManagerProxy implements IActivityManager
         Parcel reply = Parcel.obtain();
         data.writeInterfaceToken(IActivityManager.descriptor);
         data.writeStrongBinder(parentActivityToken);
-        data.writeStrongBinder((IBinder)callback);
+        data.writeStrongBinder(callback == null ? null : callback.asBinder());
         mRemote.transact(CREATE_ACTIVITY_CONTAINER_TRANSACTION, data, reply, 0);
         reply.readException();
         final int result = reply.readInt();
diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index 113f1230386e..51cb12aa8bdf 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -92,8 +92,8 @@ public class ActivityView extends ViewGroup {
         super.onAttachedToWindow();
         try {
             final IBinder token = mActivity.getActivityToken();
-            mActivityContainer =
-                    ActivityManagerNative.getDefault().createActivityContainer(token, null);
+            mActivityContainer = ActivityManagerNative.getDefault().createActivityContainer(token,
+                      new ActivityContainerCallback());
         } catch (RemoteException e) {
             throw new IllegalStateException("ActivityView: Unable to create ActivityContainer. "
                     + e);
@@ -282,4 +282,14 @@ public class ActivityView extends ViewGroup {
         }
 
     }
+
+    private class ActivityContainerCallback extends IActivityContainerCallback.Stub {
+        @Override
+        public void setVisible(IBinder container, boolean visible) {
+            if (DEBUG) Log.v(TAG, "setVisible(): container=" + container + " visible=" + visible);
+            if (visible) {
+            } else {
+            }
+        }
+    }
 }
diff --git a/core/java/android/app/IActivityContainerCallback.aidl b/core/java/android/app/IActivityContainerCallback.aidl
index 55c2001e90ef..7f6d2c3570ae 100644
--- a/core/java/android/app/IActivityContainerCallback.aidl
+++ b/core/java/android/app/IActivityContainerCallback.aidl
@@ -20,5 +20,5 @@ import android.os.IBinder;
 
 /** @hide */
 interface IActivityContainerCallback {
-    oneway void onLastActivityRemoved(IBinder container);
+    oneway void setVisible(IBinder container, boolean visible);
 }