webview加载网页，tel协议不会调出拨号盘？

Question

WebView  wView =(WebView)findViewById(R.id.webview);
wView.setWebViewClient(new WebViewClient(){
       @Override
     public boolean shouldOverrideUrlLoading(WebView view, String url) {
        if (url.startsWith("tel:") { 
                Intent intent = new Intent(Intent.ACTION_VIEW,
                        Uri.parse(url)); 
                startActivity(intent); 
                } 
        view.loadUrl(url);
        return true;
        }）;