沙盒内视频或图片保存到手机相册

保存UIImage *img0 = [UIImage imageWithContentsOfFile:[CommonTools getPathByfileName:@"hello_0.bmp"]];UIImage *img1 = [UIImage imageWithContentsOfFile:[CommonTools getPathByfileName:@"hello_1.bmp"]];UIImage *img2 = [UIImage imageWithContentsOfFile:[CommonTools getPathByfileName:@"hello_2.bmp"]];NSString * videoName = @"livevideo.mp4";NSString *urlStr = [CommonTools getPathByfileName:videoName];dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(urlStr)) {保存图片到相册中UIImageWriteToSavedPhotosAlbum(img0, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);UIImageWriteToSavedPhotosAlbum(img1, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);UIImageWriteToSavedPhotosAlbum(img2, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);保存视频相册核心代码UISaveVideoAtPathToSavedPhotosAlbum(urlStr, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);}});回调#pragma mark 视频保存完毕的回调- (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{if (error) {[CommonTools alertDialog:@"视频导出失败!"];NSLog(@"保存视频过程中发生错误，错误信息:%@",error.localizedDescription);}else{}NSLog(@"视频保存成功.");}#pragma mark --- 图片保存完成后，调用的回调方法:- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{// Was there an error?if (error != NULL){// Show error message…NSLog(@"保存照片过程中发生错误，错误信息:%@",error.localizedDescription);[CommonTools alertDialog:@"图片导出失败!"];}else // No errors{// Show message image successfully savedNSLog(@"Save image successful");}}