mWebView = (WebView) findViewById(R.id.web_view);
WebSettings webSettings = mWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
mWebView.setWebViewClient(new WebViewClient(){
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {

if( url.startsWith("http:") || url.startsWith("https:") ) {

return false;

}

        // Otherwise allow the OS to handle things like tel, mailto, etc.
        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
        startActivity( intent );
        return true;
    }
});
mWebView.loadUrl(url);