From 2dd338eae30f2582d653ad692cda946f53627b3a Mon Sep 17 00:00:00 2001
From: Jerry Chang <chenghsiuchang@google.com>
Date: Mon, 27 Mar 2023 15:35:24 +0000
Subject: [PATCH] Fix wrong alpha value when animation IME with split

Update condition of setting IME_ANIMATION_NO_ALPHA flag when animating
IME in portait split screen to support both show/hide directions.

Fix: 275141725
Test: http://recall/-/fLARJNt42LVxc3tt86SneW/fDv7mcCDczBn2O4WZIMqnr
Change-Id: I459fb16e11fc754e204af23753248ca301261ef5
---
 .../src/com/android/wm/shell/common/split/SplitLayout.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
index 5459094fd9efb..9eba5ecd36f1e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
@@ -1120,7 +1120,7 @@ public final class SplitLayout implements DisplayInsetsController.OnInsetsChange
             setDividerInteractive(!mImeShown || !mHasImeFocus || isFloating, true,
                     "onImeStartPositioning");
 
-            return needOffset ? IME_ANIMATION_NO_ALPHA : 0;
+            return mTargetYOffset != mLastYOffset ? IME_ANIMATION_NO_ALPHA : 0;
         }
 
         @Override