Merge "Add shadow under tabs when user has scrolled up in sharesheet" into rvc-dev

This commit is contained in:
TreeHugger Robot
2020-04-22 19:52:49 +00:00
committed by Android (Google) Code Review

View File

@@ -2721,11 +2721,12 @@ 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);
@@ -2738,12 +2739,12 @@ 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);
}
});
}