Android 开启一个新线程

package com.example.che;

import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.widget.TextView;

public class MainActivity extends Activity {
TextView tv01;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv01=(TextView) this.findViewById(R.id.wenzi);
yunXing();
}

public void yunXing(){
new Thread(){
public void run() {
Log.i("xuhaitao", "子线程打印");
}
}.start();  //开启一个线程
}
}