复制代码 代码如下:

package com.example.test_thread;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.TextView;

public class MainActivity extends Activity {

    TextView mTextView = null;
//  static TextView mTextView = null; 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mTextView = (TextView)findViewById(R.id.textview);
        Thread th = new Thread(new Runnable() {

            @Override
            public void run() {
                // TODO Auto-generated method stub 
                for(int i = 0;i<1000;i++)
                {
                    try {
                        Thread.sleep(500);
                        System.out.println(\"Thread running :\"+i+\"!\");
                        Message msg = new Message();
                        msg.what = i;
                        mHandler.sendMessage(msg);
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block 
                        e.printStackTrace();
                    }
                }
            }
        });
        th.start();

    }
    public Handler mHandler = new Handler(){
//    public static Handler mHandler = new Handler(){ 

        @Override
        public void handleMessage(Message msg) {
            // TODO Auto-generated method stub 
            super.handleMessage(msg);

            mTextView.setText(String.valueOf(msg.what));
        }

    };

}