Fix issue #6073913: onActivityResult() not getting called...

...if the process is killed and restarted

Try to ensure that in all cases we deliver an activity result if one
was requested.

Change-Id: Id43e830d2ee782f98ed1e3b68e5e16f3258d4ad8

Author: Dianne Hackborn

services/java/com/android/server/am/ActivityManagerService.java

@@ -2730,14 +2730,7 @@ private final void handleAppDiedLocked(ProcessRecord app,
                                 r.task.taskId, r.shortComponentName,
                                 "proc died without state saved");
                     }
-                    r.makeFinishing();
-                    mMainStack.mHistory.remove(i);
-                    r.takeFromHistory();
-                    mWindowManager.removeAppToken(r.appToken);
-                    if (VALIDATE_TOKENS) {
-                        mMainStack.validateAppTokensLocked();
-                    }
-                    r.removeUriPermissionsLocked();
+                    mMainStack.removeActivityFromHistoryLocked(r);
 
                 } else {
                     // We have the current state for this activity, so

services/java/com/android/server/am/ActivityStack.java

@@ -3362,6 +3362,33 @@ final boolean requestFinishActivityLocked(IBinder token, int resultCode,
         return true;
     }
 
+    final void finishActivityResultsLocked(ActivityRecord r, int resultCode, Intent resultData) {
+        // send the result
+        ActivityRecord resultTo = r.resultTo;
+        if (resultTo != null) {
+            if (DEBUG_RESULTS) Slog.v(TAG, "Adding result to " + resultTo
+                    + " who=" + r.resultWho + " req=" + r.requestCode
+                    + " res=" + resultCode + " data=" + resultData);
+            if (r.info.applicationInfo.uid > 0) {
+                mService.grantUriPermissionFromIntentLocked(r.info.applicationInfo.uid,
+                        resultTo.packageName, resultData,
+                        resultTo.getUriPermissionsLocked());
+            }
+            resultTo.addResultLocked(r, r.resultWho, r.requestCode, resultCode,
+                                     resultData);
+            r.resultTo = null;
+        }
+        else if (DEBUG_RESULTS) Slog.v(TAG, "No result destination from " + r);
+
+        // Make sure this HistoryRecord is not holding on to other resources,
+        // because clients have remote IPC references to this object so we
+        // can't assume that will go away and want to avoid circular IPC refs.
+        r.results = null;
+        r.pendingResults = null;
+        r.newIntents = null;
+        r.icicle = null;
+    }
+
     /**
      * @return Returns true if this activity has been removed from the history
      * list, or false if it is still in the list and will be removed later.
@@ -3400,30 +3427,7 @@ final boolean finishActivityLocked(ActivityRecord r, int index,
             }
         }
 
-        // send the result
-        ActivityRecord resultTo = r.resultTo;
-        if (resultTo != null) {
-            if (DEBUG_RESULTS) Slog.v(TAG, "Adding result to " + resultTo
-                    + " who=" + r.resultWho + " req=" + r.requestCode
-                    + " res=" + resultCode + " data=" + resultData);
-            if (r.info.applicationInfo.uid > 0) {
-                mService.grantUriPermissionFromIntentLocked(r.info.applicationInfo.uid,
-                        resultTo.packageName, resultData, 
-                        resultTo.getUriPermissionsLocked());
-            }
-            resultTo.addResultLocked(r, r.resultWho, r.requestCode, resultCode,
-                                     resultData);
-            r.resultTo = null;
-        }
-        else if (DEBUG_RESULTS) Slog.v(TAG, "No result destination from " + r);
-
-        // Make sure this HistoryRecord is not holding on to other resources,
-        // because clients have remote IPC references to this object so we
-        // can't assume that will go away and want to avoid circular IPC refs.
-        r.results = null;
-        r.pendingResults = null;
-        r.newIntents = null;
-        r.icicle = null;
+        finishActivityResultsLocked(r, resultCode, resultData);
 
         if (mService.mPendingThumbnails.size() > 0) {
             // There are clients waiting to receive thumbnails so, in case
@@ -3586,8 +3590,9 @@ final void cleanUpActivityLocked(ActivityRecord r, boolean cleanServices,
         mHandler.removeMessages(DESTROY_TIMEOUT_MSG, r);
     }
 
-    private final void removeActivityFromHistoryLocked(ActivityRecord r) {
+    final void removeActivityFromHistoryLocked(ActivityRecord r) {
         if (r.state != ActivityState.DESTROYED) {
+            finishActivityResultsLocked(r, Activity.RESULT_CANCELED, null);
             r.makeFinishing();
             if (DEBUG_ADD_REMOVE) {
                 RuntimeException here = new RuntimeException("here");