Add shadow under tabs when user has scrolled up in sharesheet (de5ebdca) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/ChooserActivity.java

+6 −5

Original line number	Diff line number	Diff line
		@@ -2720,11 +2720,12 @@ public class ChooserActivity extends ResolverActivity implements
		}

		private void setupScrollListener() {
		if (mResolverDrawerLayout == null \|\| shouldShowTabs()) {
		if (mResolverDrawerLayout == null) {
		return;
		}
		final View chooserHeader = mResolverDrawerLayout.findViewById(R.id.chooser_header);
		final float defaultElevation = chooserHeader.getElevation();
		int elevatedViewResId = shouldShowTabs() ? R.id.resolver_tab_divider : R.id.chooser_header;
		final View elevatedView = mResolverDrawerLayout.findViewById(elevatedViewResId);
		final float defaultElevation = elevatedView.getElevation();
		final float chooserHeaderScrollElevation =
		getResources().getDimensionPixelSize(R.dimen.chooser_header_scroll_elevation);

		@@ -2737,12 +2738,12 @@ public class ChooserActivity extends ResolverActivity implements
		if (view.getChildCount() > 0) {
		View child = view.getLayoutManager().findViewByPosition(0);
		if (child == null \|\| child.getTop() < 0) {
		chooserHeader.setElevation(chooserHeaderScrollElevation);
		elevatedView.setElevation(chooserHeaderScrollElevation);
		return;
		}
		}

		chooserHeader.setElevation(defaultElevation);
		elevatedView.setElevation(defaultElevation);
		}
		});
		}