From 3804f91a46782092a62021d58605b2c49f8011ee Mon Sep 17 00:00:00 2001
From: Marvin Bernal <marvinbernal@google.com>
Date: Wed, 31 Mar 2021 00:39:17 +0000
Subject: [PATCH] Add System Back function to SystemUiProxy

Bug: 183988752
Test: mp launcher
Change-Id: Iaddd1f8a9440c80840209d653c0b3e59b8138a26
---
 .../src/com/android/quickstep/SystemUiProxy.java      | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index cf71eaeeb8..1f332c4dda 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -87,6 +87,17 @@ public class SystemUiProxy implements ISystemUiProxy,
         setNavBarButtonAlpha(1f, false);
     }
 
+    @Override
+    public void onBackPressed() {
+        if (mSystemUiProxy != null) {
+            try {
+                mSystemUiProxy.onBackPressed();
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call onBackPressed", e);
+            }
+        }
+    }
+
     @Override
     public IBinder asBinder() {
         // Do nothing