[ZZ][Android]bindServiceでサービスを開始

package com.zhf.local;


import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;

/**
 *          MyService   ，               
 * @author Administrator
 *
 */
public class LocalServiceActivity extends Activity {
	/** Called when the activity is first created. */
	private MyService myService;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		Intent intent = new Intent(this, MyService.class);
		bindService(intent, connection, Context.BIND_AUTO_CREATE);
	}

	private ServiceConnection connection = new ServiceConnection() {

		@Override
		public void onServiceDisconnected(ComponentName name) {
			myService = null;
		}

		@Override
		public void onServiceConnected(ComponentName name, IBinder service) {
			myService = ((MyService.MyBinder) service).getService();
			System.out.println("Service    ");
			//  Service       
			myService.excute();
		}
	};

	protected void onDestroy() {
		super.onDestroy();
		unbindService(connection);
	};
}

package com.zhf.local;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;

public class MyService extends Service {
    private final IBinder binder=new MyBinder();
	@Override
	public IBinder onBind(Intent intent) {
		return binder;
	}
	
	public class MyBinder extends Binder{
		MyService getService(){
			return MyService.this;
		}
	}
	
	public void excute(){
		System.out.println("  Binder  Service      Service     ");
	}

	@Override
	public void onDestroy() {
		//      (      unbindService)            
		super.onDestroy();
	}

	@Override
	public boolean onUnbind(Intent intent) {
		//      (      unbindService)            
		System.out.println("      ");
		return super.onUnbind(intent);
	}
}