From f74ff847347d2eb3e7b2f3147b7616d1321cac4c Mon Sep 17 00:00:00 2001
From: Bruno Martins <bgcngm@gmail.com>
Date: Fri, 2 Feb 2018 18:29:32 +0000
Subject: [PATCH] DndTile: Avoid NPE during boot phase

 * Listening handling can only take place once mController
   is properly initialized.

Change-Id: Icbef2d506417f132e1ab47e23d457dacb9c00146
---
 packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
index 9e265e2295c38..52b4c0ac4e1a1 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
@@ -235,6 +235,7 @@ public class DndTile extends QSTileImpl<BooleanState> {
     public void handleSetListening(boolean listening) {
         if (mListening == listening) return;
         mListening = listening;
+        if (mController == null) return;
         if (mListening) {
             mController.addCallback(mZenCallback);
             Prefs.registerListener(mContext, mPrefListener);