YouTube video playback broken on iOS6 (works fine on iOS5)

Question

In my app, I have a button which, when pressed, lets you watch a youtube video (a movie trailer). Within the app, without launching safari. Below you can see a code snippet.

Answer 1

Apple changed how YouTube videos are handled in iOS6. I also was using the findButtonInView method but that no longer works.

I've discovered the following seems to work (untested in iOS < 6):

- (void)viewDidLoad 
{
    [super viewDidLoad];
    self.webView.mediaPlaybackRequiresUserAction = NO;
}

- (void)playVideo
{
    self.autoPlay = YES;
    // Replace @"y8Kyi0WNg40" with your YouTube video id
    [self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@%@", @"http://www.youtube.com/embed/", @"y8Kyi0WNg40"]]]];
}

// UIWebView delegate
- (void)webViewDidFinishLoad:(UIWebView *)webView {
    if (self.autoPlay) {
        self.autoPlay = NO;
        [self clickVideo];
    }
}

- (void)clickVideo {
    [self.webView stringByEvaluatingJavaScriptFromString:@"\
        function pollToPlay() {\
            var vph5 = document.getElementById(\"video-player\");\
            if (vph5) {\
                vph5.playVideo();\
            } else {\
                setTimeout(pollToPlay, 100);\
            }\
        }\
        pollToPlay();\
     "];
}