blocks|key|2925212|text|这是不可能的。由于各种原因(包括但不限于数据使用)，苹果不允许自动播放视频。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2925213|参见the+accepted+answer+to+this+question。|offset|length|2925214|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5^0|0|2|10|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

<p>It can't be done.  For various reasons (including, but not limited to data usage), Apple doesn't allow auto-playing of videos.</p>

<p>See <a href="https://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5">the accepted answer to this question</a>.</p>


blocks|key|247915|text|我已经尝试了以下内容，当网页视图加载完成时，Youtube视频成功地在全屏中自动播放：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|247916|[self.webView+setAllowsInlineMediaPlayback:YES];
[self.webView+setMediaPlaybackRequiresUserAction:NO];

[self.view+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='100%25%25'+height='%25f'+src='http://www.youtube.com/embed/%25@?enablejsapi=1&rel=0&playsinline=0&autoplay=1'+frameborder='0'allowfullscreen>\
+++++++++++++++++++++++</body>\
+++++++++++++++++++++++</html>",self.webView.frame.size.height,@"Dw9jFO_coww"];


[self.webView+bringSubviewToFront:self.btnBack];
self.webView.backgroundColor+=+[UIColor+clearColor];
self.webView.opaque+=+NO;
[self.webView+loadHTMLString:embedHTML+baseURL:[[NSBundle+mainBundle]+resourceURL]];|code-block|syntax|javascript|247917|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>I have tried with following and Youtube video successfully autoplays in fullscreen when web view finish loading:</p>

<pre><code>[self.webView setAllowsInlineMediaPlayback:YES];
[self.webView setMediaPlaybackRequiresUserAction:NO];

[self.view addSubview:self.webView];

NSString* embedHTML = [NSString stringWithFormat:@"\
                       &lt;html&gt;\
                       &lt;body style='margin:0px;padding:0px;'&gt;\
                       &lt;script type='text/javascript' src='http://www.youtube.com/iframe_api'&gt;&lt;/script&gt;\
                       &lt;script type='text/javascript'&gt;\
                       function onYouTubeIframeAPIReady()\
                       {\
                       ytplayer=new YT.Player('playerId',{events:{onReady:onPlayerReady}})\
                       }\
                       function onPlayerReady(a)\
                       { \
                       a.target.playVideo(); \
                       }\
                       &lt;/script&gt;\
                       &lt;iframe id='playerId' type='text/html' width='100%%' height='%f' src='http://www.youtube.com/embed/%@?enablejsapi=1&amp;rel=0&amp;playsinline=0&amp;autoplay=1' frameborder='0'allowfullscreen&gt;\
                       &lt;/body&gt;\
                       &lt;/html&gt;",self.webView.frame.size.height,@"Dw9jFO_coww"];


[self.webView bringSubviewToFront:self.btnBack];
self.webView.backgroundColor = [UIColor clearColor];
self.webView.opaque = NO;
[self.webView loadHTMLString:embedHTML baseURL:[[NSBundle mainBundle] resourceURL]];
</code></pre>


blocks|key|247938|text|更新:|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|247939|iOS+10%2B现在允许在HTML5+<+video>元素上自动播放，只需将元素上的音频静音即可。Youtube仍然不会。Android仍然是SOL，但是嘿，这是一个开始！|247940|示例：|247941|<video+autoplay+muted>
++<source+src="movie.mp4"+type="video/mp4">
++Sadly,+your+browser+does+not+support+the+video+tag+X_x+
</video>|code-block|syntax|javascript|247942|信息来源：+https://webkit.org/blog/6784/new-video-policies-for-ios/|247943|entityMap|0|LINK|mutability|MUTABLE|url|https://webkit.org/blog/6784/new-video-policies-for-ios/^0|0|3|0|0|0|3|0|0|0|5|6|1K|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|11|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|J|3|K|5|L|7|15|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@$9|19|A|1A|1|1B]]|E|$]]|$1|Q|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

<p><strong>UPDATE :</strong> </p>

<p>iOS 10+ now allows auto-play on HTML5 &lt; video> elements, just have to mute the audio on  elements. Youtube will still not. Android is still SOL too, but hey, its a start!</p>

<p><strong>SAMPLE:</strong></p>

<pre><code>&lt;video autoplay muted&gt;
  &lt;source src="movie.mp4" type="video/mp4"&gt;
  Sadly, your browser does not support the video tag X_x 
&lt;/video&gt;
</code></pre>

<p><strong>INFO SOURCE:</strong> <a href="https://webkit.org/blog/6784/new-video-policies-for-ios/" rel="nofollow noreferrer">https://webkit.org/blog/6784/new-video-policies-for-ios/</a></p>


<p>I have a youtube embeded video link in HTML5 page, which I want to <a href="http://code.google.com/apis/youtube/player_parameters.html#autoplay" rel="noreferrer"><strong>autoplay</strong></a>.</p>

<p>The following code works in browsers, but in iphone; its not working and needs an extra click.</p>

<pre><code>&lt;iframe type="text/html" width="125" height="100" src="http://www.youtube.com/embed/d_g0251EfB8?autoplay=1" frameborder="0"&gt;&lt;/iframe&gt;
</code></pre>

<p>what to do</p>


Youtube embedded video: autoplay feature not working in iphone

Android

HTML5

我有一个youtube嵌入在HTML5页面的视频链接，我想。以下代码在浏览器中运行，但在iphone中运行；它不能运行，需要额外单击。<iframe type="text/html" width="125" height="100" src="http://www.youtube.com/embed/d_g0251Ef...

问Youtube嵌入式视频:自动播放功能在iphone中不起作用
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