サンプルコード
public class MyWebViewActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.main); WebView webView = (WebView) findViewById(id.webview); webView.setWebViewClient(new WebViewClient() { @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { super.onPageStarted(view, url, favicon); setProgressBarIndeterminateVisibility(true); } @Override public void onPageFinished(WebView view, String url) { super.onPageFinished(view, url); setProgressBarIndeterminateVisibility(false); } }); webView.loadUrl(requestToken); } }