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Commit 552071b5 authored by Kevin's avatar Kevin
Browse files

Boost correct layer for Recents Go transition 

For transition from app to fallback recents, the apps were on the same
Z-layer causing both to show up in the animation. We should instead
boost the closing app so that it's visually on top as it shrinks down.

Bug: 114136250
Test: Press overview in app to go to recents, behaves as expected
Change-Id: Iaca1e4fc1486721468a5bfffb1d139259d48739f
parent 7f5083b7

go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java

+4 −2
Original line number Diff line number Diff line
@@ -173,8 +173,10 @@ final class AppToOverviewAnimationProvider<T extends BaseDraggingActivity> imple 


        // Keep recents visible throughout the animation.

        SurfaceParams[] params = new SurfaceParams[2];

        // Closing app should stay on top.

        int boostedMode = MODE_CLOSING;

        params[0] = new SurfaceParams(recentsTarget.leash, 1f, null /* matrix */,

                null /* windowCrop */, getLayer(recentsTarget, MODE_OPENING), 0 /* cornerRadius */);

                null /* windowCrop */, getLayer(recentsTarget, boostedMode), 0 /* cornerRadius */);



        valueAnimator.addUpdateListener(new MultiValueUpdateListener() {

            private final FloatProp mScaleX;
@@ -214,7 +216,7 @@ final class AppToOverviewAnimationProvider<T extends BaseDraggingActivity> imple 
                m.postTranslate(mTranslationX.value, mTranslationY.value);



                params[1] = new SurfaceParams(appTarget.leash, mAlpha.value, m,

                        null /* windowCrop */, getLayer(appTarget, MODE_CLOSING),

                        null /* windowCrop */, getLayer(appTarget, boostedMode),

                        0 /* cornerRadius */);

                surfaceApplier.scheduleApply(params);

            }