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Commit e52fee8b authored by Fengjiang Li's avatar Fengjiang Li
Browse files

Opt-in predicitive back before register the back button 

The predictive back infra checks the opt-in status when a callback is registered, and drops the registration if the Application / Activity is not opted-in

Fix: 326627953
Test: manual
Flag: ACONFIG launcher.enable_predictive_back_gesture DISABLED
Change-Id: I8f2e2378d0bf966b3784cf08c12045509b6d5682
parent 08a4e68b

quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

+4 −1
Original line number Diff line number Diff line
@@ -647,10 +647,13 @@ public class QuickstepLauncher extends Launcher { 


    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        // Back dispatcher is registered in {@link BaseActivity#onCreate}. For predictive back to

        // work, we must opt-in BEFORE registering back dispatcher. So we need to call

        // setEnableOnBackInvokedCallback() before super.onCreate()

        if (Utilities.ATLEAST_U && enablePredictiveBackGesture()) {

            getApplicationInfo().setEnableOnBackInvokedCallback(true);

        }

        super.onCreate(savedInstanceState);

        if (savedInstanceState != null) {

            mPendingSplitSelectInfo = ObjectWrapper.unwrap(

                    savedInstanceState.getIBinder(PENDING_SPLIT_SELECT_INFO));