From 3feebeb19669c65d99ad0f12b2986e2444da51cc Mon Sep 17 00:00:00 2001
From: Tony Wickham <twickham@google.com>
Date: Tue, 24 Aug 2021 17:06:41 -0700
Subject: [PATCH] Fix taskbar folder leave-behind not being drawn

I guess FrameLayout has willNotDraw=true by default, so we need to set it to false in order to get onDraw().

Test: open a folder on taskbar
Bug: 197866264
Change-Id: Ia521bc3da28527b9c3f1fa7bcdaf5d9ffb7feccf
---
 quickstep/src/com/android/launcher3/taskbar/TaskbarView.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index a4a92f7567..2280c491b5 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -90,6 +90,9 @@ public class TaskbarView extends FrameLayout implements FolderIcon.FolderIconPar
         // We layout the icons to be of mIconTouchSize in width and height
         mItemMarginLeftRight = actualMargin - (mIconTouchSize - actualIconSize) / 2;
         mItemPadding = (mIconTouchSize - actualIconSize) / 2;
+
+        // Needed to draw folder leave-behind when opening one.
+        setWillNotDraw(false);
     }
 
     protected void init(TaskbarViewController.TaskbarViewCallbacks callbacks) {