title: Video not play in Objective c
body: <p>I want to play video on clicking a button. My AVPlayerViewController is open but not playing an video .Please help.</p>
  
  <pre><code>- (IBAction)btnPlay_Click:(id)sender {
      NSURL *videoURL = [NSURL URLWithString:@"https://player.vimeo.com/video/143506410"];
      AVPlayer *player = [AVPlayer playerWithURL:videoURL];
      AVPlayerViewController *playerViewController = [AVPlayerViewController new];
      playerViewController.player = player;
      [self presentViewController:playerViewController animated:YES completion:nil];
  }
  </code></pre>