From 0f1babb7067a5ede7a6ca73c8404a1b6548dce86 Mon Sep 17 00:00:00 2001
From: Matt Casey <mrcasey@google.com>
Date: Thu, 13 Jun 2019 15:24:58 -0400
Subject: Ensure onDarkIntensity is called on the proper thread.

Bug: 135064217
Test: Verified thread behavior via logging.
Change-Id: Ib1a6dcacb22dc2eeabc49c6a7568ca248ae79cdf
---
 packages/SystemUI/src/com/android/systemui/ScreenDecorations.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java b/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
index eff705415957..73e57de3f915 100644
--- a/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
+++ b/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
@@ -768,6 +768,10 @@ public class ScreenDecorations extends SystemUI implements Tunable,
 
     @Override
     public void onDarkIntensity(float darkIntensity) {
+        if (!mHandler.getLooper().isCurrentThread()) {
+            mHandler.post(() -> onDarkIntensity(darkIntensity));
+            return;
+        }
         if (mOverlay != null) {
             CornerHandleView assistHintTopLeft = mOverlay.findViewById(R.id.assist_hint_left);
             CornerHandleView assistHintTopRight = mOverlay.findViewById(R.id.assist_hint_right);
-- 
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