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照片保存到相册，并添加到自定义相册中
-(void)addAssetURL:(NSURL*)assetURL toAlbum:(NSString*)albumName withCompletionBlock:(SaveImageCompletion)completionBlock
{
//相册存在标示
__block BOOL albumWasFound = NO;
ALAssetsLibrary *assetsLibrary = [[ALAssetsLibrary alloc] init];
//search all photo albums in the library
[assetsLibrary enumerateGroupsWithTypes:ALAssetsGroupAlbum usingBlock:^(ALAssetsGroup *group, BOOL *stop)
{
//判断相册是否存在
if ([albumName compare: [group valueForProperty:ALAssetsGroupPropertyName]]==NSOrderedSame) {
//存在
albumWasFound = YES;
//get a hold of the photo's asset instance
[assetsLibrary assetForURL: assetURL
resultBlock:^(ALAsset *asset) {
//add photo to the target album
[group addAsset: asset];
//run the completion block
completionBlock(nil);
} failureBlock: completionBlock];
return;
}
//如果不存在该相册创建
if (group==nil && albumWasFound==NO)
{
__weak ALAssetsLibrary* weakSelf = assetsLibrary;
//创建相册
[assetsLibrary addAssetsGroupAlbumWithName:albumName resultBlock:^(ALAssetsGroup *group)
{
//get the photo's instance
[weakSelf assetForURL: assetURL
resultBlock:^(ALAsset *asset)
{
//add photo to the newly created album
[group addAsset: asset];
//call the completion block
completionBlock(nil);
} failureBlock: completionBlock];
} failureBlock: completionBlock];
return;
}
}failureBlock:completionBlock];
}代码来着QQ群群友分享，感谢分享~
照片保存到相册，并添加到自定义相册中
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