對(duì)于Service兩種方式在概述里已經(jīng)介紹了，下面是學(xué)習(xí)是StartService的代碼實(shí)例。

service啟動(dòng)代碼：

package com.example.service01;

import android.app.Service;

import android.content.Intent;

import android.os.IBinder;

import android.util.Log;

public class Service01 extends Service {

@Override

public IBinder onBind(Intent arg0) {

return null; // 由于不是綁定模式，所以在啟動(dòng)Service時(shí)不會(huì)被調(diào)用，直接返回null即可

}

@Override

public void onCreate() {

// TODO Auto-generated method stub

System.out.println("Example Service --> ONCreate");

super.onCreate();

}

@Override

public void onDestroy() {

// TODO Auto-generated method stub

System.out.println("Example Service --> ONDestory");

super.onDestroy();

}

@Override

public int onStartCommand(Intent intent, int flags, int startId) {

// TODO Auto-generated method stub

System.out.println("Example Service --> OnStartCommand");

return super.onStartCommand(intent, flags, startId);

}

}

Activity代碼:

package com.example.service01;

import android.app.Activity;

import android.app.Service;

import android.content.Intent;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity {

private Button buttonStart =null;

private Button buttonStop =null;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

buttonStart = (Button)findViewById(R.id.buttonstart);

buttonStop = (Button)findViewById(R.id.buttonstop);

buttonStart.setOnClickListener(Listener);

buttonStop.setOnClickListener(Listener);

// buttonStart.setOnClickListener(new buttonStartOnClickLister());

//buttonStop.setOnClickListener(new buttonStopOnClickLister());

}

private OnClickListener Listener = new OnClickListener() {

@Override

public void onClick(View arg0) {

Intent intent = new Intent(MainActivity.this,Service01.class); //必須放到類中聲明

switch (arg0.getId()) {

case R.id.buttonstart:

startService(intent); // 調(diào)用StartService啟動(dòng)服務(wù)

break;

case R.id.buttonstop:

stopService(intent); // 調(diào)用stopService 關(guān)閉服務(wù)

default:

break;

}

}

};

/*

class buttonStartOnClickLister implements OnClickListener{

@Override

public void onClick(View arg0) {

// TODO Auto-generated method stub

}

}

class buttonStopOnClickLister implements OnClickListener

{

@Override

public void onClick(View arg0) {

// TODO Auto-generated method stub

}

}

*/

}

AndroidManifest.xml中：

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