#服务

package com.itheima.runservice;

import android.os.Bundle;
import android.os.IBinder;
import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.view.Menu;
import android.view.View;

public class MainActivity extends Activity {

    private Intent intent;
    private MyServiceConn conn;

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


    public void start(View v){
        startService(intent);
    }
    
    public void stop(View v){
        stopService(intent);
    }
    
    public void bind(View v){
        //绑定服务
        bindService(intent, conn, BIND_AUTO_CREATE);
    }
    
    public void unbind(View v){
        //解绑服务
        unbindService(conn);
    }
    
    class MyServiceConn implements ServiceConnection{
        //服务连接成功时，此方法调用
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
        }

        //服务失去连接时，此方法调用
        @Override
        public void onServiceDisconnected(ComponentName name) {
        }
    }
}
//清单文件<service android:name="com.itheima.runservice.MyService"></service>

package com.itheima.runservice;

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

public class MyService extends Service {

    //绑定时调用
    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        System.out.println("bind方法");
        return null;//返回Activity和MyService的中间人对象
    }

    //解绑时调用
    @Override
    public boolean onUnbind(Intent intent) {
        // TODO Auto-generated method stub
        System.out.println("unbind方法");
        return super.onUnbind(intent);
    }
    
    @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("start方法");
        return super.onStartCommand(intent, flags, startId);
    }
    
    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        System.out.println("destroy方法");
        super.onDestroy();
    }
    
}