Android 4.4.2 - Youtube webview plays only the sound of the video -

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i'm writing application , in activity there webview youtube video or channel. worked until upgraded phone android 4.4.2 kitkat. plays sound of video. webview:

 webview web_video = (webview) findviewbyid(r.id.web_video);  websettings websettings = web_video.getsettings();  websettings.setjavascriptenabled(true);  web_video.setwebviewclient(new callback());  web_video.setwebchromeclient(new webchromeclient() {       @override       public void onprogresschanged(webview view, int newprogress) {           super.onprogresschanged(view, newprogress);           if(newprogress==100){                loading.dismiss();           }       }  });  web_video.loadurl("http://www.youtube.com/watch?v=rc0ayg9jj9i");

anyone know problem?

please check notes in google developer page changed webview behaviour. suspect custom url handling causing problem.

the webview implementation changed in 4.4 webkit base chrome base.

http://developer.android.com/guide/webapps/migrating.html#urls


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