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Commit be88eb44 authored by Yasin Kilicdere's avatar Yasin Kilicdere
Browse files

Add null checks to UserSwitchingDialog. 

Bug: 279819448
Test: atest FrameworksServicesTests:UserControllerTest
Test: atest UserLifecycleTests
Change-Id: Ie1e5c3ee78153316b7b0b2090fa685f4a8163a4c
parent 45d3fa60

services/core/java/com/android/server/am/UserSwitchingDialog.java

+19 −4
Original line number Diff line number Diff line
@@ -266,12 +266,11 @@ class UserSwitchingDialog extends Dialog { 
    }



    private void startProgressAnimation(Runnable onAnimationEnd) {

        if (mDisableAnimations) {

        final AnimatedVectorDrawable avd = getSpinnerAVD();

        if (mDisableAnimations || avd == null) {

            onAnimationEnd.run();

            return;

        }

        final ImageView progressCircular = findViewById(R.id.progress_circular);

        final AnimatedVectorDrawable avd = (AnimatedVectorDrawable) progressCircular.getDrawable();

        avd.registerAnimationCallback(new Animatable2.AnimationCallback() {

            @Override

            public void onAnimationEnd(Drawable drawable) {
@@ -281,7 +280,23 @@ class UserSwitchingDialog extends Dialog { 
        avd.start();

    }



    private AnimatedVectorDrawable getSpinnerAVD() {

        final ImageView view = findViewById(R.id.progress_circular);

        if (view != null) {

            final Drawable drawable = view.getDrawable();

            if (drawable instanceof AnimatedVectorDrawable) {

                return (AnimatedVectorDrawable) drawable;

            }

        }

        return null;

    }



    private void startDialogAnimation(Animation animation, Runnable onAnimationEnd) {

        final View view = findViewById(R.id.content);

        if (mDisableAnimations || view == null) {

            onAnimationEnd.run();

            return;

        }

        animation.setDuration(DIALOG_SHOW_HIDE_ANIMATION_DURATION_MS);

        animation.setAnimationListener(new Animation.AnimationListener() {

            @Override
@@ -299,7 +314,7 @@ class UserSwitchingDialog extends Dialog { 


            }

        });

        findViewById(R.id.content).startAnimation(animation);

        view.startAnimation(animation);

    }



    private void asyncTraceBegin(String subTag, int subCookie) {