mwpcheung/listRecentlyDeleted.mm

## listRecentlyDeleted.mm
void listRecentlyDeleted()
{
    // iOS list system recently deleted photo and delete them
    [PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
        PHFetchOptions* opt = [[PHFetchOptions alloc]init];
        opt.includeAllBurstAssets = YES;
        opt.includeHiddenAssets = YES;
        opt.includeAssetSourceTypes = YES;
        PHFetchResult *result = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeSmartAlbum subtype:(PHAssetCollectionSubtype)1000000201 options:opt];
        NSMutableArray* items = [[NSMutableArray alloc]init];
        for (PHAssetCollection*collection in result){
            PHFetchOptions *options = [[PHFetchOptions alloc] init];
            options.wantsIncrementalChangeDetails = YES;
            options.predicate = [NSPredicate predicateWithFormat:@"mediaType == %d",PHAssetMediaTypeImage];
            PHFetchResult *fetchResult = [PHAsset fetchAssetsInAssetCollection:collection options:options];
            NSLog(@"album title %@ album photo count %ld", collection.localizedTitle, fetchResult.count);
            for (PHAsset* asset in fetchResult){
                [items addObject:asset];
            }
        }
        NSLog(@"here we get the system recently deleted photos");
        [PHPhotoLibrary.sharedPhotoLibrary performChanges:^(){
				NSLog(@"to delete items %ld", items.count);
				[PHAssetChangeRequest performSelector:@selector(expungeAssets:) withObject:items];
			} completionHandler:^(BOOL success, NSError* error){
                NSLog(@"delete system image asset finished"
			}];
    }];
}
	void listRecentlyDeleted()
	{
	// iOS list system recently deleted photo and delete them
	[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
	PHFetchOptions* opt = [[PHFetchOptions alloc]init];
	opt.includeAllBurstAssets = YES;
	opt.includeHiddenAssets = YES;
	opt.includeAssetSourceTypes = YES;
	PHFetchResult *result = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeSmartAlbum subtype:(PHAssetCollectionSubtype)1000000201 options:opt];
	NSMutableArray* items = [[NSMutableArray alloc]init];
	for (PHAssetCollection*collection in result){
	PHFetchOptions *options = [[PHFetchOptions alloc] init];
	options.wantsIncrementalChangeDetails = YES;
	options.predicate = [NSPredicate predicateWithFormat:@"mediaType == %d",PHAssetMediaTypeImage];
	PHFetchResult *fetchResult = [PHAsset fetchAssetsInAssetCollection:collection options:options];
	NSLog(@"album title %@ album photo count %ld", collection.localizedTitle, fetchResult.count);
	for (PHAsset* asset in fetchResult){
	[items addObject:asset];
	}
	}
	NSLog(@"here we get the system recently deleted photos");
	[PHPhotoLibrary.sharedPhotoLibrary performChanges:^(){
	NSLog(@"to delete items %ld", items.count);
	[PHAssetChangeRequest performSelector:@selector(expungeAssets:) withObject:items];
	} completionHandler:^(BOOL success, NSError* error){
	NSLog(@"delete system image asset finished"
	}];
	}];
	}