DateTimeView: don't assume you have an ApplicationContext.

Bug: 22840771
Change-Id: I3be6369936f90e9ce4e61a59ea81b0d3408a0f99

1 files changed, 7 insertions, 3 deletions

diff --git a/core/java/android/widget/DateTimeView.java b/core/java/android/widget/DateTimeView.java
index 0b5824a..dcb2437 100644
--- a/core/java/android/widget/DateTimeView.java
+++ b/core/java/android/widget/DateTimeView.java
@@ -25,7 +25,6 @@ import android.os.Handler;
 import android.text.format.Time;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.widget.TextView;
 import android.widget.RemoteViews.RemoteView;
 
 import java.text.DateFormat;
@@ -228,14 +227,14 @@ public class DateTimeView extends TextView {
             final boolean register = mAttachedViews.isEmpty();
             mAttachedViews.add(v);
             if (register) {
-                register(v.getContext().getApplicationContext());
+                register(getApplicationContextIfAvailable(v.getContext()));
             }
         }
 
         public void removeView(DateTimeView v) {
             mAttachedViews.remove(v);
             if (mAttachedViews.isEmpty()) {
-                unregister(v.getContext().getApplicationContext());
+                unregister(getApplicationContextIfAvailable(v.getContext()));
             }
         }
 
@@ -258,6 +257,11 @@ public class DateTimeView extends TextView {
             return result;
         }
 
+        static final Context getApplicationContextIfAvailable(Context context) {
+            final Context ac = context.getApplicationContext();
+            return ac != null ? ac : context;
+        }
+
         void register(Context context) {
             final IntentFilter filter = new IntentFilter();
             filter.addAction(Intent.ACTION_TIME_TICK);