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Commit c9b7df97 authored by Yasin Kilicdere's avatar Yasin Kilicdere
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Prevent app icons blinking after a user switch. 

This CL moves OverviewProxyService from onUserChanged to
onUserChanging, to allow the jank to happen earlier while the user
switch is happening (i.e. while the screen is frozen),

Bug: 275349347
Test: Visual (screen recordings attached to the bug)
Change-Id: I8a5c2f56ff5d94f8c3754acac410f99675a3e1a2
parent 342bac9d

packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java

+9 −1
Original line number Diff line number Diff line
@@ -112,6 +112,7 @@ import java.io.PrintWriter; 
import java.util.ArrayList;

import java.util.List;

import java.util.Optional;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.Executor;

import java.util.function.Supplier;
@@ -445,6 +446,10 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis 
            notifySystemUiStateFlags(mSysUiState.getFlags());



            notifyConnectionChanged();

            if (mLatchForOnUserChanging != null) {

                mLatchForOnUserChanging.countDown();

                mLatchForOnUserChanging = null;

            }

        }



        @Override
@@ -499,11 +504,14 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis 
        }

    };



    private CountDownLatch mLatchForOnUserChanging;

    private final UserTracker.Callback mUserChangedCallback =

            new UserTracker.Callback() {

                @Override

                public void onUserChanged(int newUser, @NonNull Context userContext) {

                public void onUserChanging(int newUser, @NonNull Context userContext,

                        CountDownLatch latch) {

                    mConnectionBackoffAttempts = 0;

                    mLatchForOnUserChanging = latch;

                    internalConnectToCurrentUser("User changed");

                }

            };