标签：android style ar os sp on art cti bs
package mars.handler;
import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button;
public class HandlerActivity extends Activity { /** Called when the activity is first created. */ //声明两个按钮控件 private Button startButton = null; private Button endButton = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //根据控件的ID得到代表控件的对象，并未这两个按钮设置相应的监听器 startButton = (Button)findViewById(R.id.startButton); startButton.setOnClickListener(new StartButtonListener()); endButton = (Button)findViewById(R.id.endButton); endButton.setOnClickListener(new EndButtonListener()); } class StartButtonListener implements OnClickListener{
@Override public void onClick(View v) { //调用Handler的post方法，将要执行的线程对象添加到队列当中 handler.post(updateThread); } } class EndButtonListener implements OnClickListener{
@Override public void onClick(View v) { handler.removeCallbacks(updateThread); } } //创建一个Handler对象 Handler handler = new Handler(); //将要执行的操作写在线程对象的run方法当中 Runnable updateThread = new Runnable(){
@Override public void run() { System.out.println("UpdateThread"); //在run方法内部，执行postDelayed或者是post方法 handler.postDelayed(updateThread, 3000); } }; }
标签：android style ar os sp on art cti bs
原文地址：http://www.cnblogs.com/softapp/p/4088897.html
