2 files changed, 23 insertions, 7 deletions
diff --git a/core/java/android/service/dreams/DreamActivity.java b/core/java/android/service/dreams/DreamActivity.java
index f6a7c8eb8c4b..a2fa1392b079 100644
--- a/core/java/android/service/dreams/DreamActivity.java
+++ b/core/java/android/service/dreams/DreamActivity.java
@@ -44,6 +44,8 @@ import android.text.TextUtils;
 public class DreamActivity extends Activity {
     static final String EXTRA_CALLBACK = "binder";
     static final String EXTRA_DREAM_TITLE = "title";
+    @Nullable
+    private DreamService.DreamActivityCallbacks mCallback;
 
     public DreamActivity() {}
 
@@ -57,11 +59,19 @@ public class DreamActivity extends Activity {
         }
 
         final Bundle extras = getIntent().getExtras();
-        final DreamService.DreamActivityCallback callback =
-                (DreamService.DreamActivityCallback) extras.getBinder(EXTRA_CALLBACK);
+        mCallback = (DreamService.DreamActivityCallbacks) extras.getBinder(EXTRA_CALLBACK);
 
-        if (callback != null) {
-            callback.onActivityCreated(this);
+        if (mCallback != null) {
+            mCallback.onActivityCreated(this);
         }
     }
+
+    @Override
+    public void onDestroy() {
+        if (mCallback != null) {
+            mCallback.onActivityDestroyed();
+        }
+
+        super.onDestroy();
+    }
 }
diff --git a/core/java/android/service/dreams/DreamService.java b/core/java/android/service/dreams/DreamService.java
index 3c1fef02f9ba..cb0dce91589e 100644
--- a/core/java/android/service/dreams/DreamService.java
+++ b/core/java/android/service/dreams/DreamService.java
@@ -1295,7 +1295,7 @@ public class DreamService extends Service implements Window.Callback {
             Intent i = new Intent(this, DreamActivity.class);
             i.setPackage(getApplicationContext().getPackageName());
             i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            i.putExtra(DreamActivity.EXTRA_CALLBACK, new DreamActivityCallback(mDreamToken));
+            i.putExtra(DreamActivity.EXTRA_CALLBACK, new DreamActivityCallbacks(mDreamToken));
             final ServiceInfo serviceInfo = fetchServiceInfo(this,
                     new ComponentName(this, getClass()));
             i.putExtra(DreamActivity.EXTRA_DREAM_TITLE, fetchDreamLabel(this, serviceInfo));
@@ -1488,10 +1488,10 @@ public class DreamService extends Service implements Window.Callback {
     }
 
     /** @hide */
-    final class DreamActivityCallback extends Binder {
+    final class DreamActivityCallbacks extends Binder {
         private final IBinder mActivityDreamToken;
 
-        DreamActivityCallback(IBinder token) {
+        DreamActivityCallbacks(IBinder token) {
             mActivityDreamToken = token;
         }
 
@@ -1516,6 +1516,12 @@ public class DreamService extends Service implements Window.Callback {
             mActivity = activity;
             onWindowCreated(activity.getWindow());
         }
+
+        // If DreamActivity is destroyed, wake up from Dream.
+        void onActivityDestroyed() {
+            mActivity = null;
+            onDestroy();
+        }
     }
 
     /**