download video

download.m

-(void) downloadVideo:(NSString *) urlToDownload
{
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        NSLog(@"Downloading Started");
        
        NSURL  *url = [NSURL URLWithString:urlToDownload];
        NSData *urlData = [NSData dataWithContentsOfURL:url];
        if ( urlData )
        {
            NSString *outputURL =  NSTemporaryDirectory();
            outputURL = [outputURL stringByAppendingPathComponent:@"downloaded.mp4"];
            
            //saving is done on main thread
            dispatch_async(dispatch_get_main_queue(), ^{
                [urlData writeToFile:outputURL atomically:YES];
                NSLog(@"downloaded! %@", outputURL);
                [self.loadingImageIndicator setHidden:YES];
                self.videoView = [[VideoPlayerView alloc] init];
                [self loadVideoToView:[NSURL fileURLWithPath:outputURL]];
 
            });
        }
    });
}