- (IBAction)tt:(id)sender {
NSLog(@"%@",@"FF");
[self insertImage: NULL intoAlbumNamed:@"bbbbsssss"];
}
- (void)insertImage:(UIImage *)image intoAlbumNamed:(NSString *)albumName {
//Fetch a collection in the photos library that has the title "albumNmame"
PHAssetCollection *collection = [self fetchAssetCollectionWithAlbumName: albumName];
if (collection == nil) {
//If we were unable to find a collection named "albumName" we'll create it before inserting the image
[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
[PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle: albumName];
} completionHandler:^(BOOL success, NSError * _Nullable error) {
if (error != nil) {
NSLog(@"Error inserting image into album: %@", error.localizedDescription);
}
if (success) {
//Fetch the newly created collection (which we *assume* exists here)
PHAssetCollection *newCollection = [self fetchAssetCollectionWithAlbumName:albumName];
// [self insertImage:image intoAssetCollection: newCollection];
}
}];
} else {
//If we found the existing AssetCollection with the title "albumName", insert into it
// [self insertImage:image intoAssetCollection: collection];
}
}
- (PHAssetCollection *)fetchAssetCollectionWithAlbumName:(NSString *)albumName {
PHFetchOptions *fetchOptions = [PHFetchOptions new];
//Provide the predicate to match the title of the album.
fetchOptions.predicate = [NSPredicate predicateWithFormat:[NSString stringWithFormat:@"title == '%@'", albumName]];
//Fetch the album using the fetch option
PHFetchResult *fetchResult = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum subtype:PHAssetCollectionSubtypeAlbumRegular options:fetchOptions];
//Assuming the album exists and no album shares it's name, it should be the only result fetched
return fetchResult.firstObject;
}
ios創建相冊
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