public override void OnDestroyView()
{
base.OnDestroyView();
Browse.instance = null;
FolderBrowse.instance = null;
YoutubeSearch.instances = null;
adapter?.Dispose();
TabLayout tabs = Activity.FindViewById<TabLayout>(Resource.Id.tabs);
tabs.RemoveAllTabs();
tabs.Visibility = ViewStates.Gone;
((AppBarLayout.LayoutParams)Activity.FindViewById<CollapsingToolbarLayout>(Resource.Id.collapsingToolbar).LayoutParameters).ScrollFlags = 0;
instance = null;
}
