You cannot disable the sound when using webview To Play flash or video files.

Imagebutton webclose = (imagebutton) This. findviewbyid (R. id. webclose); webclose. setonclicklistener (New onclicklistener () {@ override public void onclick (view v) {// todo auto-generated method stubBrowser. Destroy ();// You can stop the sound finish () When you disable the video; // Android. OS. process. killprocess (Android. OS. process. mypid ());}});

When you use webview to play a YouTube video on a tablet of Android or later,
To perform hardware acceleration and upgrade to the latest Flash Player, refer to other blog posts for details.