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Commit 90f587f3 authored by Alex Chau's avatar Alex Chau
Browse files

Maintain TaskView's scroll invariant when swiping down 

Fixes: 186881810
Test: Swipe down from task other than running task, snaps in proper position in fullscreen
Change-Id: If1a667246804ebff8432b295a0bb22d17feb5c31
parent cc65b07d

quickstep/src/com/android/quickstep/views/RecentsView.java

+6 −2
Original line number Diff line number Diff line
@@ -1636,8 +1636,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T 
        if (endTarget == GestureState.GestureEndTarget.NEW_TASK

                || endTarget == GestureState.GestureEndTarget.LAST_TASK) {

            // When switching to tasks in quick switch, ensures the snapped page's scroll maintain

            // invariant between quick switch and overview grid, to ensure a smooth animation

            // transition.

            // invariant between quick switch and overview, to ensure a smooth animation transition.

            updateGridProperties();

        }

    }
@@ -3036,6 +3035,11 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T 
            return new PendingAnimation(duration);

        }



        // When swiping down from overview to tasks, ensures the snapped page's scroll maintain

        // invariant between quick switch and overview, to ensure a smooth animation transition.

        updateGridProperties();

        updateScrollSynchronously();



        int targetSysUiFlags = tv.getThumbnail().getSysUiStatusNavFlags();

        final boolean[] passedOverviewThreshold = new boolean[] {false};

        ValueAnimator progressAnim = ValueAnimator.ofFloat(0, 1);