1 files changed, 17 insertions, 0 deletions
diff --git a/src/com/android/cellbroadcastreceiver/CellBroadcastAlertDialog.java b/src/com/android/cellbroadcastreceiver/CellBroadcastAlertDialog.java
index b2874f250..5664e5736 100644
--- a/src/com/android/cellbroadcastreceiver/CellBroadcastAlertDialog.java
+++ b/src/com/android/cellbroadcastreceiver/CellBroadcastAlertDialog.java
@@ -25,10 +25,12 @@ import android.app.NotificationManager;
 import android.app.StatusBarManager;
 import android.app.PendingIntent;
 import android.app.RemoteAction;
+import android.content.BroadcastReceiver;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -161,6 +163,18 @@ public class CellBroadcastAlertDialog extends Activity {
     // Show the opt-out dialog
     private AlertDialog mOptOutDialog;
 
+    /** BroadcastReceiver for screen off events. When screen was off, remove FLAG_TURN_SCREEN_ON to
+     * start from a clean state. Otherwise, the window flags from the first alert will be
+     * automatically applied to the following alerts handled at onNewIntent.
+     */
+    private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent){
+            Log.d(TAG, "onSreenOff: remove FLAG_TURN_SCREEN_ON flag");
+            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
+        }
+    };
+
     /**
      * Animation handler for the flashing warning icon (emergency alerts only).
      */
@@ -360,6 +374,8 @@ public class CellBroadcastAlertDialog extends Activity {
             clearNotification(intent);
         }
 
+        registerReceiver(mScreenOffReceiver, new IntentFilter(Intent.ACTION_SCREEN_OFF));
+
         if (mMessageList == null || mMessageList.size() == 0) {
             Log.e(TAG, "onCreate failed as message list is null or empty");
             finish();
@@ -976,6 +992,7 @@ public class CellBroadcastAlertDialog extends Activity {
 
     @Override
     public void onDestroy() {
+        unregisterReceiver(mScreenOffReceiver);
         super.onDestroy();
     }