android实现背景音乐播放及网页超链接

package com.android; import java.io.IOException; import android.app.Service; import android.content.Intent; import android.media.MediaPlayer; import android.os.IBinder; public class yypService extends Service { private MediaPlayer mp; @Override public void onStart(Intent intent, int startId) { // TODO Auto-generated method stub // 开始播放音乐 mp.start(); // 音乐播放完毕的事件处理 mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { public void onCompletion(MediaPlayer mp) { // TODO Auto-generated method stub // 循环播放 try { mp.start(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); // 播放音乐时发生错误的事件处理 mp.setOnErrorListener(new MediaPlayer.OnErrorListener() { public boolean onError(MediaPlayer mp, int what, int extra) { // TODO Auto-generated method stub // 释放资源 try { mp.release(); } catch (Exception e) { e.printStackTrace(); } return false; } }); super.onStart(intent, startId); } @Override public void onCreate() { // TODO Auto-generated method stub // 初始化音乐资源 try { // 创建MediaPlayer对象 mp = new MediaPlayer(); // 将音乐保存在res/raw/xingshu.mp3,R.java中自动生成{public static final int xingshu=0x7f040000;} mp = MediaPlayer.create(yypService.this, R.raw.xingshu); // 在MediaPlayer取得播放资源与stop()之后要准备PlayBack的状态前一定要使用MediaPlayer.prepeare() mp.prepare(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } super.onCreate(); } @Override public void onDestroy() { // TODO Auto-generated method stub // 服务停止时停止播放音乐并释放资源 mp.stop(); mp.release(); super.onDestroy(); } @Override public IBinder onBind(Intent intent) { // TODO Auto-generated method stub return null; } } /* * public class MyService extends Service { private MediaPlayer mp; * * @Override public void onStart(Intent intent, int startId) { // TODO * Auto-generated method stub //开始播放音乐 mp.start(); //音乐播放完毕的事件处理 * mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { * * public void onCompletion(MediaPlayer mp) { // TODO Auto-generated method stub * //循环播放 try { mp.start(); } catch (IllegalStateException e) { // TODO * Auto-generated catch block e.printStackTrace(); } } }); //播放音乐时发生错误的事件处理 * mp.setOnErrorListener(new MediaPlayer.OnErrorListener() { * * public boolean onError(MediaPlayer mp, int what, int extra) { // TODO * Auto-generated method stub //释放资源 try { mp.release(); } catch (Exception e) { * e.printStackTrace(); } * * return false; } }); * * super.onStart(intent, startId); } * * @Override public void onCreate() { // TODO Auto-generated method stub * //初始化音乐资源 try { //创建MediaPlayer对象 mp = new MediaPlayer(); * //将音乐以Import的方式保存在res/raw/zhou.mp3 mp = MediaPlayer.create(MyService.this, * R.raw.zhou); //在MediaPlayer取得播放资源与stop()之后要准备PlayBack的状 * 态前一定要使用MediaPlayer.prepeare() mp.prepare(); } catch (IllegalStateException e) * { // TODO Auto-generated catch block e.printStackTrace(); } catch * (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } * * super.onCreate(); } * * @Override public void onDestroy() { // TODO Auto-generated method stub * //服务停止时停止播放音乐并释放资源 mp.stop(); mp.release(); * * super.onDestroy(); } * * @Override public IBinder onBind(Intent intent) { // TODO Auto-generated * method stub return null; } * * } */