#Service（服务和Activity是运行在进程中的，一个进程可以有多个服务，）

package com.itheima.startservice;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;

public class MainActivity extends Activity {

    private Intent intent;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        intent = new Intent(this, MyService.class);
    }


    public void click(View v){
        //显式启动服务
        startService(intent);
    }
    public void click2(View v){
        //关闭服务
//        Intent intent = new Intent(this, MyService.class);
        stopService(intent);
    }
    
}

//清单文件：显示启动服务
//<service android:name="com.itheima.startservice.MyService"></service>

package com.itheima.startservice;

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

public class MyService extends Service {

    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void onCreate() {
        // TODO Auto-generated method stub
        super.onCreate();
        System.out.println("create方法");
    }


    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        // TODO Auto-generated method stub
        System.out.println("startCommand方法");
        return super.onStartCommand(intent, flags, startId);
    }

    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
        System.out.println("destroy方法");
    }

    
}