标签：color os io 文件 for ar div 代码
@implementation ALAssetsLibrary (ZHExpand)/** * 创建本地相册 * * @param name 相册名称 * @param enumerateGroupsFailureBlock 遍历相册分组失败回调 * @param hasGroup 本地已经存在该相册，请重新命名 * @param createSuccessedBlock 创建相册成功回调 * @param createFaieldBlock 创建相册失败回调 */- (void)zh_createAssetsGroupWithName:(NSString*)name enumerateGroupsFailureBlock:(void (^) (NSError *error))enumerateGroupsFailureBlock hasTheNewGroupBlock:(void (^) (ALAssetsGroup *group))hasGroup createSuccessedBlock:(void (^) (ALAssetsGroup *group))createSuccessedBlock createFaieldBlock:(void (^) (NSError *error))createFaieldBlock{ __block BOOL hasTheNewGroup = NO; [self enumerateGroupsWithTypes:ALAssetsGroupAlbum usingBlock:^(ALAssetsGroup *group, BOOL *stop) { hasTheNewGroup = [name isEqualToString:[group valueForProperty:ALAssetsGroupPropertyName]]; if (hasTheNewGroup) { [ZHBlock dispatchOnMainThread:^{ hasGroup(group); }]; *stop = YES; } if (!group && !hasTheNewGroup && !*stop) {//遍历完毕，本地没有该文件夹，非手动停止的遍历 [self addAssetsGroupAlbumWithName:name resultBlock:^(ALAssetsGroup *agroup) { [ZHBlock dispatchOnMainThread:^{ createSuccessedBlock(agroup); }]; } failureBlock:^(NSError *error) { [ZHBlock dispatchOnMainThread:^{ createFaieldBlock(error); }]; }]; } } failureBlock:^(NSError *error) { [ZHBlock dispatchOnMainThread:^{ enumerateGroupsFailureBlock(error); }]; }];}/** * 保存视频到指定相册（直接调用可保存到指定分组） * * @param path 视频路径 * @param name 相册名称 * @param saveSuccessBlock 保存成功回调 * @param saveFaieldBlock 保存失败回调 */- (void)zh_saveVideoWithVideoPath:(NSString*)path toAlbum:(NSString*)name saveSuccessBlock:(void (^) (ALAssetsGroup *group, NSURL *assetURL, ALAsset *asset))saveSuccessBlock saveFaieldBlock:(void (^) (NSError *error))saveFaieldBlock{ [self writeVideoAtPathToSavedPhotosAlbum:[NSURL fileURLWithPath:path] completionBlock:^(NSURL *assetURL, NSError *error) {//先添加到公众相册 if (error) { [ZHBlock dispatchOnMainThread:^{ saveFaieldBlock(error); }]; return; } [self zh_addVideoToAssetGroupWithAssetUrl:assetURL toAlbum:name addSuccessBlock:^(ALAssetsGroup *targetGroup, NSURL *currentAssetUrl, ALAsset *currentAsset) { [ZHBlock dispatchOnMainThread:^{ saveSuccessBlock(targetGroup,currentAssetUrl,currentAsset); }]; } addFaieldBlock:^(NSError *error) { [ZHBlock dispatchOnMainThread:^{ saveFaieldBlock(error); }]; }]; }];}/** * 添加相册视频到指定分组 * * @param assetURL 视频在相册的URL * @param name 指定分组名称 * @param addSuccessBlock 添加成功回调 * @param addFaieldBlock 添加失败回调 */- (void)zh_addVideoToAssetGroupWithAssetUrl:(NSURL*)assetURL toAlbum:(NSString*)name addSuccessBlock:(void (^) (ALAssetsGroup *targetGroup, NSURL *currentAssetUrl, ALAsset *currentAsset))addSuccessBlock addFaieldBlock:(void (^) (NSError *error))addFaieldBlock{ [self zh_createAssetsGroupWithName:name enumerateGroupsFailureBlock:^(NSError *error) { if (error) { [ZHBlock dispatchOnMainThread:^{ addFaieldBlock(error); }]; return ; } } hasTheNewGroupBlock:^(ALAssetsGroup *group) { [self assetForURL:assetURL resultBlock:^(ALAsset *asset) {//得到视频的ALAsset实例 [group addAsset:asset];//添加视频到指定相册分组 [ZHBlock dispatchOnMainThread:^{ addSuccessBlock(group,assetURL,asset); }]; } failureBlock:^(NSError *error) { if (error) { [ZHBlock dispatchOnMainThread:^{ addFaieldBlock(error); }]; return ; } }]; } createSuccessedBlock:^(ALAssetsGroup *group) { [self assetForURL:assetURL resultBlock:^(ALAsset *asset) { [group addAsset:asset]; [ZHBlock dispatchOnMainThread:^{ addSuccessBlock(group,assetURL,asset); }]; } failureBlock:^(NSError *error) { if (error) { [ZHBlock dispatchOnMainThread:^{ addFaieldBlock(error); }]; return ; } }]; } createFaieldBlock:^(NSError *error) { if (error) { [ZHBlock dispatchOnMainThread:^{ addFaieldBlock(error); }]; return ; } }];}标签：color os io 文件 for ar div 代码
原文地址：http://www.cnblogs.com/android-dev/p/3906583.html
