iOS-删除相册照片

#import <Photos/Photos.h> 

 

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(takeScreenSheetAction:) name:UIApplicationUserDidTakeScreenshotNotification object:nil];

 

-(void)takeScreenSheetAction:(NSNotification *)notification{

 

    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

        PHFetchOptions *options = [[PHFetchOptions alloc] init];

        options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];

        PHFetchResult *assetsFetchResults = [PHAsset fetchAssetsWithOptions:options];

 

        PHAsset *asset = [assetsFetchResults firstObject];

        if (asset) {

            NSArray *delAssets = [[NSArray alloc] initWithObjects:asset, nil];

            [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{

                [PHAssetChangeRequest deleteAssets:delAssets];

            } completionHandler:^(BOOL success, NSError * _Nullable error) {

                

            }];

        }

    });

}