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youtubeWebView.setWebViewClient(new WebViewClient());

    youtubeWebView.setWebChromeClient(new WebChromeClient());

    WebSettings webSettings = youtubeWebView.getSettings();

    webSettings.setJavaScriptEnabled(true);

    webSettings.setDomStorageEnabled(true);

    android:hardwareAccelerated="true" on application Tag

mediaTrailerUrl = mediaTrailerUrl + "?mode=opaque&rel=0&autohide=1&showinfo=0&wmode=transparent";
    String frameVideo = "<!DOCTYPE HTML> <html><body style="margin:0 0 0 0; padding:0 0 0 0;"> <iframe width="100%" height="200%" src="" + mediaTrailerUrl + "" frameborder="0" ></iframe> </body> </html> ";


    youtubeWebView.setWebViewClient(new WebViewClient());
    youtubeWebView.setWebChromeClient(new WebChromeClient());
    WebSettings webSettings = youtubeWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    webSettings.setDomStorageEnabled(true);
    webSettings.setPluginState(WebSettings.PluginState.ON);
    youtubeWebView.setBackgroundColor(Color.TRANSPARENT);
    youtubeWebView.loadData(frameVideo, "text/html", "UTF-8");

}