From 31ea98c081cddc95bec273b202c9f89889039e34 Mon Sep 17 00:00:00 2001
From: Fabian Kozynski <kozynski@google.com>
Date: Mon, 1 Aug 2022 12:35:31 -0400
Subject: [PATCH] Fix Keep rules for MotionLayout

We need to add keep rules for Key so the scene KeyFrames can be
processed properly. Without this, all the alpha elements in the
KeyFrames are not read.

Test: mp sysuig
Bug: 215584502
Change-Id: I960725d67bb80a0c0e2f76f434ca975dfeb08b76
---
 packages/SystemUI/proguard.flags | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/SystemUI/proguard.flags b/packages/SystemUI/proguard.flags
index 5b9299c278a97..7538555e1bcdc 100644
--- a/packages/SystemUI/proguard.flags
+++ b/packages/SystemUI/proguard.flags
@@ -11,6 +11,11 @@
 -keep class * extends com.android.systemui.CoreStartable
 -keep class * implements com.android.systemui.CoreStartable$Injector
 
+# Needed for builds to properly initialize KeyFrames from xml scene
+-keepclassmembers class * extends androidx.constraintlayout.motion.widget.Key {
+  public <init>();
+}
+
 -keepclasseswithmembers class * {
     public <init>(android.content.Context, android.util.AttributeSet);
 }