public override void ItemSelected(UICollectionView collectionView, NSIndexPath indexPath)
{
var asset = (PHAsset)AssetsFetchResults[indexPath.Item];
_picker.SelectAsset(asset);
_picker.NotifyAssetSelected(asset);
}
public override void ItemSelected(UICollectionView collectionView, NSIndexPath indexPath)
{
var asset = (PHAsset)AssetsFetchResults[indexPath.Item];
var cell = (GMGridViewCell)collectionView.CellForItem(indexPath);
_picker.SelectAsset(asset);
_picker.NotifyAssetSelected(asset);
ConfigureSelectCellAccessibilityAttributes(cell, true, null);
}
public void PhotoLibraryDidChange(PHChange changeInstance)
{
Debug.WriteLine($"{this.GetType().Name}: PhotoLibraryDidChange");
// Call might come on any background queue. Re-dispatch to the main queue to handle it.
DispatchQueue.MainQueue.DispatchAsync(() => {
List <PHFetchResult> updatedCollectionsFetchResults = null;
foreach (var collectionsFetchResult in _collectionsFetchResults)
{
var changeDetails = changeInstance.GetFetchResultChangeDetails(collectionsFetchResult);
if (changeDetails != null)
{
if (updatedCollectionsFetchResults == null)
{
updatedCollectionsFetchResults = _collectionsFetchResults.ToList();
}
updatedCollectionsFetchResults[updatedCollectionsFetchResults.IndexOf(collectionsFetchResult)] = changeDetails.FetchResultAfterChanges;
}
// This only affects to changes in albums level (add/remove/edit album)
if (updatedCollectionsFetchResults != null)
{
_collectionsFetchResults = updatedCollectionsFetchResults;
}
}
// Search for new photos and select them if camera is turned on
if (_picker.AutoSelectCameraImages && _picker.ShowCameraButton)
{
foreach (var collection in _collectionsFetchResultsAssets)
{
foreach (var fetchResult in collection)
{
var changeDetails = changeInstance.GetFetchResultChangeDetails(fetchResult);
if (changeDetails != null && changeDetails.InsertedObjects != null)
{
foreach (var asset in changeDetails.InsertedObjects.OfType <PHAsset>())
{
_picker.SelectAsset(asset);
}
}
}
}
}
// However, we want to update if photos are added, so the counts of items & thumbnails are updated too.
// Maybe some checks could be done here , but for now is OKey.
UpdateFetchResults();
TableView.ReloadData();
});
}