From f87635813cabbf4f7dc0236fffc6b07a2715aff3 Mon Sep 17 00:00:00 2001
From: Jorim Jaggi <jjaggi@google.com>
Date: Mon, 20 Jul 2015 12:19:52 -0700
Subject: Allow navigation bar drawing during window animations

Bug: 22605259
Change-Id: I080dc7bf2dfdc6666a5f38eebecc7c9a6034d04a
---
 .../android/systemui/statusbar/phone/NavigationBarView.java    | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index f40f5016528b..416fb366d48d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -40,6 +40,7 @@ import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewRootImpl;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.FrameLayout;
@@ -184,6 +185,15 @@ public class NavigationBarView extends LinearLayout {
         mBarTransitions = new NavigationBarTransitions(this);
     }
 
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        ViewRootImpl root = getViewRootImpl();
+        if (root != null) {
+            root.setDrawDuringWindowsAnimating(true);
+        }
+    }
+
     public BarTransitions getBarTransitions() {
         return mBarTransitions;
     }
-- 
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