From 424b8dee5ebebe0890f20f618f8ea1523b2af958 Mon Sep 17 00:00:00 2001
From: Sihua Ma <sihua@google.com>
Date: Fri, 8 Nov 2024 22:51:29 +0000
Subject: [PATCH] Resetting workspace alpha when the animation is cancelled

Bug: 364465567
Test: Manual
Flag: EXEMPT bug fix
Change-Id: I0dcc62a10ca96670c5ed794001c58fd319e36854
---
 .../com/android/quickstep/util/ScalingWorkspaceRevealAnim.kt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/quickstep/src/com/android/quickstep/util/ScalingWorkspaceRevealAnim.kt b/quickstep/src/com/android/quickstep/util/ScalingWorkspaceRevealAnim.kt
index db02f55c0a..f719bed5e7 100644
--- a/quickstep/src/com/android/quickstep/util/ScalingWorkspaceRevealAnim.kt
+++ b/quickstep/src/com/android/quickstep/util/ScalingWorkspaceRevealAnim.kt
@@ -217,6 +217,11 @@ class ScalingWorkspaceRevealAnim(
         animation.addListener(
             AnimatorListeners.forEndCallback(
                 Runnable {
+                    // The workspace might stay at a transparent state when the animation is
+                    // cancelled, and the alpha will not be recovered (this doesn't apply to scales
+                    // somehow). Resetting the alpha for the workspace here.
+                    workspace.alpha = 1.0F
+
                     workspace.setLayerType(View.LAYER_TYPE_NONE, null)
                     hotseat.setLayerType(View.LAYER_TYPE_NONE, null)