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Commit dd64243d authored by Winson's avatar Winson Committed by Winson Chung
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Fixing stack scroll when dismissing tasks. 

- Should be adjusting the offset when pulling forward, not the whole
  stack scroll.  This caused a visual regression where the whole stack 
  shifted when you dismiss the non-first task.

Change-Id: I93158287a168f407a0a024e0be24f264dd0c2b6e
parent 7b3ccf54

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java

+3 −4
Original line number Diff line number Diff line
@@ -1220,14 +1220,13 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal 
            } else if (pullStackForward) {

                // Otherwise, offset the scroll by the movement of the anchor task

                float anchorTaskScroll = mLayoutAlgorithm.getStackScrollForTask(anchorTask);

                float newStackScroll = mStackScroller.getStackScroll() +

                        (anchorTaskScroll - prevAnchorTaskScroll);

                float stackScrollOffset = (anchorTaskScroll - prevAnchorTaskScroll);

                if (mLayoutAlgorithm.getFocusState() != TaskStackLayoutAlgorithm.STATE_FOCUSED) {

                    // If we are focused, we don't want the front task to move, but otherwise, we

                    // allow the back task to move up, and the front task to move back

                    newStackScroll /= 2;

                    stackScrollOffset /= 2;

                }

                mStackScroller.setStackScroll(newStackScroll);

                mStackScroller.setStackScroll(mStackScroller.getStackScroll() + stackScrollOffset);

                mStackScroller.boundScroll();

            }