From 6d5708c55b416a90b2bb61ebc63ba99412e52617 Mon Sep 17 00:00:00 2001
From: Jiaquan He <hejq@google.com>
Date: Wed, 24 May 2017 16:00:10 -0700
Subject: [PATCH] Fix the back button ripple.

Bug: 62141426
Test: Manually checked that the default highlight doesn't show up
when tapping on the back button on the navigation bar.
Change-Id: Iedef32077c869e55f14dbd0aa92c4ce3220e0d1a
---
 .../android/systemui/statusbar/policy/KeyButtonRipple.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonRipple.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonRipple.java
index 8e51ddb89a350..cc7943b85bc19 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonRipple.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonRipple.java
@@ -194,6 +194,11 @@ public class KeyButtonRipple extends Drawable {
         return true;
     }
 
+    @Override
+    public boolean hasFocusStateSpecified() {
+        return true;
+    }
+
     public void setPressed(boolean pressed) {
         if (mDark != mLastDark && pressed) {
             mRipplePaint = null;