Do not allow fling if we didn't get onGestureStarted (54904458) · Commits · e / os / BlissLauncher3

quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java

+7 −2

Original line number	Diff line number	Diff line
		@@ -134,6 +134,8 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity> {
		private static final long MIN_SWIPE_DURATION = 80;

		private static final float MIN_PROGRESS_FOR_OVERVIEW = 0.5f;
		private static final float SWIPE_DURATION_MULTIPLIER =
		Math.min(1 / MIN_PROGRESS_FOR_OVERVIEW, 1 / (1 - MIN_PROGRESS_FOR_OVERVIEW));

		private final ClipAnimationHelper mClipAnimationHelper = new ClipAnimationHelper();

		@@ -559,12 +561,15 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity> {
		public void onGestureEnded(float endVelocity) {
		Resources res = mContext.getResources();
		float flingThreshold = res.getDimension(R.dimen.quickstep_fling_threshold_velocity);
		boolean isFling = Math.abs(endVelocity) > flingThreshold;
		boolean isFling = mGestureStarted && Math.abs(endVelocity) > flingThreshold;

		long duration = MAX_SWIPE_DURATION;
		final float endShift;
		if (!isFling) {
		endShift = mCurrentShift.value >= MIN_PROGRESS_FOR_OVERVIEW ? 1 : 0;
		endShift = mCurrentShift.value >= MIN_PROGRESS_FOR_OVERVIEW && mGestureStarted ? 1 : 0;
		long expectedDuration = Math.abs(Math.round((endShift - mCurrentShift.value)
		* MAX_SWIPE_DURATION * SWIPE_DURATION_MULTIPLIER));
		duration = Math.min(MAX_SWIPE_DURATION, expectedDuration);
		mLogAction = Touch.SWIPE;
		} else {
		endShift = endVelocity < 0 ? 1 : 0;