protected virtual void SetupLayoutConstraints()
{
this.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints();
this.AddConstraints(
SearchBar.AtTopOfSafeArea(this),
SearchBar.AtLeftOf(this),
SearchBar.AtRightOf(this),
SearchBar.Above(CollectionView));
this.AddConstraints(
IndicatorView.WithSameCenterX(this),
IndicatorView.WithSameCenterY(this));
this.AddConstraints(
//CollectionView.Above(SearchBar),
CollectionView.AtBottomOfSafeArea(this),
CollectionView.AtLeftOf(this),
CollectionView.AtRightOf(this));
}