iOS-使用ALAssetsLibrary擷取相簿圖片視頻

來源:互聯網
上載者:User

標籤:set   bsp   script   color   integer   fail   bool   生產   error   

直接上代碼:

 

ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];        [library enumerateGroupsWithTypes:ALAssetsGroupSavedPhotos                           usingBlock:^(ALAssetsGroup *group, BOOL *stop) {                                                              // Filter down to only photos                               [group setAssetsFilter:[ALAssetsFilter allPhotos]];                                                              // Grab the first photo return                               [group enumerateAssetsAtIndexes:[NSIndexSet indexSetWithIndex:0]                                                       options:0                                                    usingBlock:^(ALAsset *result, NSUInteger index, BOOL *stop) {                                                                                                                if (result) {                                                                                                                        id repressentation = [result defaultRepresentation];                                                                                                                        // 可以生產一個AVAsset                                                            NSURL *url = [repressentation url];                                                            AVAsset *asset = [AVAsset assetWithURL:url];                                                                                                                        // 也可以直接擷取image                                                            self.view.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageWithCGImage:[repressentation fullResolutionImage]]];                                                                                                                    }                                                    }];                           } failureBlock:^(NSError *error) {                                                              NSLog(@"Error: %@", [error localizedDescription]);                           }];

 

iOS-使用ALAssetsLibrary擷取相簿圖片視頻

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