在IOS的UIWebView中播放youtube视频时设备没有声音的问题 [英] Issue with not getting sound in device when play youtube video in UIWebView in IOS
本文介绍了在IOS的UIWebView中播放youtube视频时设备没有声音的问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在使用UIWebView播放Yoytube视频.
我的代码就是这样
I am using a UIWebView to play Yoytube Video.
My code is like that
self.webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0,320, 240)];
[self.webView setBackgroundColor:[UIColor clearColor]];
[self.webView setOpaque:NO];
self.webView.delegate=self;
[self.webView setAllowsInlineMediaPlayback:YES];
[self.webView setMediaPlaybackRequiresUserAction:NO];
[self.viewContent addSubview:self.webView];
NSString* embedHTML = [NSString stringWithFormat:@"\
<html>\
<body style='margin:0px;padding:0px;'>\
<script type='text/javascript' src='http://www.youtube.com/iframe_api'></script>\
<script type='text/javascript'>\
function onYouTubeIframeAPIReady()\
{\
ytplayer=new YT.Player('playerId',{events:{onReady:onPlayerReady}})\
}\
function onPlayerReady(a)\
{ \
a.target.playVideo(); \
}\
</script>\
<iframe id='playerId' type='text/html' width='%d' height='%d' src='http://www.youtube.com/embed/%@?enablejsapi=1&rel=0&playsinline=1&autoplay=1' frameborder='0'>\
</body>\
</html>", 320, 240, [dictIW valueForKey:@"embedCode"]];
[self.webView loadHTMLString:embedHTML baseURL:[[NSBundle mainBundle] resourceURL]];
在模拟器中，它的运行完全正常.但是当我在iPhone或iPad上播放此视频时，虽然显示了视频，但声音却没有.
请帮忙.
In Simulator it is playing absolutely fine. But when I play this video in iPhone or iPad, the video is showing, but the sound is not getting.
please help.
推荐答案
在创建UIWebView之前将音频会话类别设置为播放"
Set the audio session category to 'playback' before creating the UIWebView
AVAudioSession *audioSession = [AVAudioSession sharedInstance];
BOOL flag;
NSError *setCategoryError = nil;
flag = [audioSession setCategory:AVAudioSessionCategoryPlayback
error:&setCategoryError];
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