WebView ProgressBar İle Kullanımı

WebView ProgressBar İle Kullanımı
public class MainActivity extends AppCompatActivity {
     WebView webView;
     ProgressBar progressBar1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        progressBar1 = (ProgressBar) findViewById(R.id.pBar1);
        webView = (WebView) findViewById(R.id.webView);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.loadUrl("http://www.caglayangrup.com.tr/carigiris.aspx");
        webView.setWebViewClient(new WebViewClient(){
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                super.onPageStarted(view, url, favicon);
                progressBar1.setVisibility(View.VISIBLE);
                setTitle("sad");
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                progressBar1.setVisibility(View.GONE);
                setTitle(view.getTitle());
            }
        });
}