进度条与线程

package com.yanjun;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.widget.ProgressBar;

public class MainActivity extends Activity {
  private ProgressBar mProgress;
  private int i = 0;
  private Handler mHandler = new Handler();

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    mProgress = (ProgressBar) findViewById(R.id.progressBar1);

    new Thread(new Runnable() {

      public void run() {

        while (i < 100) {
          try {
            new Thread().sleep(1000);
          } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
          }
          i = i + 10;
          mHandler.post(new Runnable() {

            public void run() {
              mProgress.setProgress(i);
            }
          });
        }
      }
    }).start();

  }
}