Merge "Task footer - use temporary motion for show and hide." into ub-launcher3-qt-r1-dev

quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java

@@ -498,6 +498,8 @@ public class TaskView extends FrameLayout implements PageCallbacks, Reusable {
         mSnapshotView.setDimAlpha(curveInterpolation * MAX_PAGE_SCRIM_ALPHA);
         setCurveScale(getCurveScaleForCurveInterpolation(curveInterpolation));
 
+        float fade = Utilities.boundToRange(1.0f - 2 * scrollState.linearInterpolation, 0f, 1f);
+        mTaskFooterContainer.setAlpha(fade);
         if (mMenuView != null) {
             mMenuView.setPosition(getX() - getRecentsView().getScrollX(), getY());
             mMenuView.setScaleX(getScaleX());

quickstep/res/layout/task.xml

@@ -40,6 +40,8 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:orientation="vertical"
+        android:animateLayoutChanges="true"
+        android:forceHasOverlappingRendering="true"
         android:layout_gravity="bottom|center_horizontal">
         <FrameLayout
             android:id="@+id/proactive_suggest_container"