private void TryRestoreSelectedIndex()
{
if (!_tabLayout.IsAlive())
{
return;
}
var activityView = _tabLayout.Context as IActivityView;
if (activityView == null)
{
return;
}
var bundle = activityView.Mediator.Bundle;
if (bundle != null)
{
var i = bundle.GetInt(SelectedIndexKey, int.MinValue);
if (i != int.MinValue)
{
if (_tabLayout.TabCount > i)
{
_tabLayout.GetTabAt(i).Select();
}
}
}
var stateListener = ReflectionExtensions.CreateWeakEventHandler <TabLayoutItemsSourceGenerator, ValueEventArgs <Bundle> >(this, (generator, o, arg3) => generator.ActivityViewOnSaveInstanceState(arg3));
activityView.Mediator.SaveInstanceState += stateListener.Handle;
}