java dialog webview

public void notifwebview(String dataurl){
        WebView myWebView = new WebView(this);
        String content = "<!DOCTYPE html><html><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><head><style>body{background: transparent;}img{width: 300px; height: 150px;}</style></head><body>";
        content += dataurl+"<br/><br/></body></html>";
        if (dataurl.contains("<p>")||dataurl.contains("<br/>"))myWebView.loadData(content, "text/html; charset=utf-8", "UTF-8");
        else if (dataurl.startsWith("http"))myWebView.loadUrl(dataurl);
        else myWebView.loadData(dataurl, "text/html", "base64");
        myWebView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }
        });
        new AlertDialog.Builder(init.context)
            .setView(myWebView)
            .setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {

                    dialog.dismiss();
                }
            })
            .show();
    }