iOS-沙盒内视频导出到相册

来源：互联网发布：现代启示录知乎编辑：程序博客网时间：2024/05/29 17:03

1.视频导出:

UIAlertController *av = [UIAlertController alertControllerWithTitle:@"提示" message:@"您确定要将视频导出到相册?" preferredStyle:UIAlertControllerStyleActionSheet];        [av addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {            //保存视频至相册（异步线程）            //videoSuccessI 记录上传成功的个数            videoSuccessI = 0;            //allVideos 取出沙盒内所有视频的视频名称            allVideos = [DataBaseTool videoFromDB];            [SVProgressHUD showWithStatus:@"正在导出,请耐心等待..."];            for (NSString *videoName in allVideos) {            //urlStr 沙盒内视频的完整路径                NSString *urlStr = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:videoName];                dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{                    if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(urlStr)) {                    //保存相册核心代码                        UISaveVideoAtPathToSavedPhotosAlbum(urlStr, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);                    }                });            }        }]];

#pragma mark 视频保存完毕的回调- (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInf{    if (error) {        [SVProgressHUD showErrorWithStatus:@"导出失败!"];        [SVProgressHUD dismiss];        NSLog(@"保存视频过程中发生错误，错误信息:%@",error.localizedDescription);    }else{        videoSuccessI++;        if (videoSuccessI == allVideos.count) {            [SVProgressHUD showSuccessWithStatus:@"视频导出成功,请在相册中查看!"];            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.8 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{                [SVProgressHUD dismiss];            });//            UIAlertController *AV = [UIAlertController alertControllerWithTitle:nil message:@"视频导出成功,请在相册中查看!" preferredStyle:UIAlertControllerStyleAlert];//            [self presentViewController:AV animated:YES completion:nil];        }        NSLog(@"视频保存成功.");    }}

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