public override void ViewDidLoad()
{
base.ViewDidLoad();
GalleryDataSource.LoadImages();
GalleryCollectionView.RegisterClassForSupplementaryView(typeof(Header),
UICollectionElementKindSection.Header, Constants.GalleryHeaderKey);
GalleryCollectionView.Source = new GalleryCollectionViewSource(this);
var layout = new UICollectionViewFlowLayout
{
SectionInset = new UIEdgeInsets(
Constants.GallerySectionVerticalSpacing,
Constants.GallerySectionSize,
Constants.GallerySectionSize,
Constants.GallerySectionSize),
ItemSize = new CGSize(Constants.GalleryTileWidth, Constants.GalleryTileHeight),
ScrollDirection = UICollectionViewScrollDirection.Vertical,
MinimumLineSpacing = Constants.GalleryLayoutMinLinSpacing,
MinimumInteritemSpacing = Constants.GalleryLayoutMinIterItemSpacing,
HeaderReferenceSize = new CGSize(GalleryCollectionView.Frame.Size.Width, Constants.GalleryHeaderHeight)
};
GalleryCollectionView.SetCollectionViewLayout(layout, true);
GenerateNavBarButtons();
GenerateToolBar();
ResetGalleryTitle();
}
public override void ViewWillAppear(bool animated)
{
GalleryDataSource.LoadImages();
GalleryCollectionView.ReloadData();
}