This is about loading youtube videos using latest embedded format (iframe) inside a webview.
Example of the iframe embed format
This worked for me- the code opens youtube site and can play its videos inside WebView:
mWebView = (WebView) findViewById(R.id.webview);
WebSettings webSettings = mWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
String frameVideo = "Youtube video ..
";
mWebView.loadData(frameVideo, "text/html", "utf-8");
mWebView.loadUrl("http://www.youtube.com/");
mWebView.setWebViewClient(new WebViewClient());