From 45eb757ea7321aeb8b34803681ec2eb4532b6d55 Mon Sep 17 00:00:00 2001
From: Hyunyoung Song <hyunyoungs@google.com>
Date: Fri, 1 Jul 2016 18:04:07 -0700
Subject: [PATCH] Remove relayouts b/29945805

> Workspace relayout occurs when window flag is set to
change the status bar. This should not cause AllAppsTransitionController
to be initialized.
> Setting/Unsetting background drawables on the hotseat
also causes unnecessary layout. Fix this issue.

Change-Id: I73a3bfd3eb4bc34cf6760ffbd9826e3fef867056
---
 src/com/android/launcher3/Hotseat.java                       | 5 ++---
 .../launcher3/allapps/AllAppsTransitionController.java       | 1 +
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index b2f24bec54..b75d2c0da1 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -220,11 +220,10 @@ public class Hotseat extends FrameLayout
     }
 
     public void setBackgroundTransparent(boolean enable) {
-        // This causes re-layout. Should replace the logic with simply setting the background alpha
         if (enable) {
-            setBackground(null);
+            mBackground.setAlpha(0);
         } else {
-            setBackground(mBackground);
+            mBackground.setAlpha(255);
         }
     }
 
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 3ae8cd8fad..87236aa918 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -444,5 +444,6 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
         if (!mLauncher.isAllAppsVisible()) {
             setProgress(mShiftRange);
         }
+        mHotseat.removeOnLayoutChangeListener(this);
     }
 }