Androdi 网页记载进度条应用

package gongzibai.co.cc;

import android.Manifest.permission;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;

public class Webview1Activity extends
Activity {

private Handler handler = new Handler();
private ProgressDialog progressDialog = null;

/** Called when the activity is first created. */
@Override
public void onCreate(
Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

setContentView(R.layout.main);

final WebView webview = (WebView) findViewById(R.id.webView1);

progressDialog = ProgressDialog
.show(Webview1Activity.this,
"请稍等...",
"获取数据中...",
true);

new Handler().postDelayed(
new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub

webview.loadUrl("http://www.qq.com/");
progressDialog
.dismiss();

}
}, 2000);

}
}