diff --git a/core/java/com/android/internal/app/ChooserActivity.java b/core/java/com/android/internal/app/ChooserActivity.java index fbf050ad08f6f..3a89dcd964872 100644 --- a/core/java/com/android/internal/app/ChooserActivity.java +++ b/core/java/com/android/internal/app/ChooserActivity.java @@ -3134,6 +3134,7 @@ public class ChooserActivity extends ResolverActivity implements // ends up disabled. That's because at some point the old tab's vertical scrolling is // disabled and the new tab's is enabled. For context, see b/159997845 setVerticalScrollEnabled(true); + mResolverDrawerLayout.scrollNestedScrollableChildBackToTop(); } @Override diff --git a/core/java/com/android/internal/widget/ResolverDrawerLayout.java b/core/java/com/android/internal/widget/ResolverDrawerLayout.java index 3f708f84750c1..90eeabb47e9aa 100644 --- a/core/java/com/android/internal/widget/ResolverDrawerLayout.java +++ b/core/java/com/android/internal/widget/ResolverDrawerLayout.java @@ -464,11 +464,7 @@ public class ResolverDrawerLayout extends ViewGroup { smoothScrollTo(mCollapsibleHeight + mUncollapsibleHeight, yvel); mDismissOnScrollerFinished = true; } else { - if (isNestedListChildScrolled()) { - mNestedListChild.smoothScrollToPosition(0); - } else if (isNestedRecyclerChildScrolled()) { - mNestedRecyclerChild.smoothScrollToPosition(0); - } + scrollNestedScrollableChildBackToTop(); smoothScrollTo(yvel < 0 ? 0 : mCollapsibleHeight, yvel); } } @@ -493,6 +489,17 @@ public class ResolverDrawerLayout extends ViewGroup { return handled; } + /** + * Scroll nested scrollable child back to top if it has been scrolled. + */ + public void scrollNestedScrollableChildBackToTop() { + if (isNestedListChildScrolled()) { + mNestedListChild.smoothScrollToPosition(0); + } else if (isNestedRecyclerChildScrolled()) { + mNestedRecyclerChild.smoothScrollToPosition(0); + } + } + private void onSecondaryPointerUp(MotionEvent ev) { final int pointerIndex = ev.getActionIndex(); final int pointerId = ev.getPointerId(pointerIndex);