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

this.startService(new Intent(this, PlayService.class));
}

@Override
protectedvoid onDestroy() {
super.onDestroy();
this.stopService(new Intent(this,PlayService.class));
}

package com.service.su;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

publicclass ServiceActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */
Button buttonOn, buttonOff;
String TAG ="ServiceActivity";

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

buttonOn = (Button) findViewById(R.id.button_on);
buttonOff = (Button) findViewById(R.id.button_off);

buttonOn.setOnClickListener(this);
buttonOff.setOnClickListener(this);
Log.v(TAG, "ActivityonCreate");
}

@Override
publicvoid onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case (R.id.button_on):
Log.v(TAG, "ActivitystartService");
this.startService(new Intent(this,PlayService.class));
// startService(new Intent(this, PlayService.class));

break;
case (R.id.button_off): {
Log.v(TAG, "ActivitystopService");
this.stopService(new Intent(this,PlayService.class));
//stopService(new Intent(this, PlayService.class));

}
break;

default:
break;

}

}

@Override
protectedvoid onStop() {
// TODO Auto-generated method stub
super.onStop();
Log.v(TAG, "ActivityonStop");
}

@Override
protectedvoid onDestroy() {
// TODO Auto-generated method stub
Log.v(TAG, "ActivityonDestroy");
super.onDestroy();

}

}

package com.service.su;

import java.io.IOException;

import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;

publicclass PlayService extends Service {
String TAG ="ServiceActivity";
MediaPlayer mediaPlayer;

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

@Override
publicvoid onCreate() {
// TODO Auto-generated method stub
super.onCreate();
Toast.makeText(this, "Play Service Created", Toast.LENGTH_LONG).show();
Log.v(TAG, "ServiceonCreate");

mediaPlayer = MediaPlayer.create(this, R.raw.test);

/*
* 要用MediaPlayer来创建，不能用MediaPlayer的对象来创建 // 不用带后缀 mediaPlayer = new
* MediaPlayer(); mediaPlayer.create(this, R.raw.test);
*/

/*
* try { mediaPlayer.setDataSource("/sdcard/music/lost times.mp3");
* mediaPlayer.prepare();
*
*
* //方法二，从网上的链接获取歌曲 try { mediaPlayer.setDataSource(
* "http://www.yousss.com/uploadfile/mp3/2007-11/20071129134414713.mp3"
* );
*/

// mediaPlayer.setLooping(true);
}

@Override
publicvoid onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);
/*
* //可以在OnCreate里面创建与音乐的链接，也可以在OnStart里面创建 mediaPlayer =
* MediaPlayer.create(this, R.raw.test);
*/
Toast.makeText(this, "Play Service onStart", Toast.LENGTH_LONG).show();
Log.v(TAG, "ServiceonStart");
mediaPlayer.start();
}

@Override
publicvoid onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
Toast.makeText(this, "Play Service Stopped", Toast.LENGTH_LONG).show();
Log.v(TAG, "ServiconDestroy");
mediaPlayer.stop();
}

}