两种方式播放音乐
main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <Button android:id="@+id/url" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="url方式播放" /> <Button android:id="@+id/uri" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="uri方式播放" /> <Button android:id="@+id/stop" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="停止" /></LinearLayout>
?SdService.java
package com.cat.test;import android.content.Context;import android.media.MediaPlayer;import android.media.MediaPlayer.OnCompletionListener;import android.net.Uri;import android.util.Log;public class playService{private static MediaPlayer mPlayer;/** 为url时 */public static final int URLPLAY = 0;/** 为uri时 */public static final int URIPLAY = 1;private static final String TAG = "playService";public static void PlayMusic(Context context, String url, int play){mPlayer = new MediaPlayer();switch (play){case URLPLAY:urlPlayMusic(url);break;case URIPLAY:Uri uri = Uri.parse(url);uriPlayMusic(uri, context);break;default:break;}}public static void stopMusic(){if (mPlayer != null){/* 是否正在播放 */if (mPlayer.isPlaying()){// 重置MediaPlayer到初始状态mPlayer.stop();}}}private static void urlPlayMusic(String url){try{Log.v(TAG, "urlPlayMusic-->" + url);// 重置MediaPlayermPlayer.reset();// 设置要播放的文件的路径mPlayer.setDataSource(url);// 准备播放mPlayer.prepare();// 开始播放mPlayer.start();// 音乐播放完执行的操作mPlayer.setOnCompletionListener(new OnCompletionListener(){@Overridepublic void onCompletion(MediaPlayer mp){// TODO Auto-generated method stub}});} catch (Exception e){// TODO: handle exceptionLog.v(TAG, "urlPlayMusic-->" + "播放失败");}}private static void uriPlayMusic(Uri uri, Context context){try{Log.v(TAG, "uriPlayMusic-->" + uri.toString());mPlayer.reset();/* 设置要播放的文件的路径 */mPlayer.setDataSource(context, uri);/* 准备播放 */mPlayer.prepare();/* 开始播放 */mPlayer.start();mPlayer.setOnCompletionListener(new OnCompletionListener(){@Overridepublic void onCompletion(MediaPlayer mp){// TODO Auto-generated method stub}});} catch (Exception e){// TODO: handle exceptionLog.v(TAG, "uriPlayMusic-->" + "播放失败");}}}?
?PlayMusicActivity.java
package com.cat.test;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class PlayMusicActivity extends Activity{/** Called when the activity is first created. */private Button urlPlayButton;private Button uriPlayButton;private Button stopButton;private String playUrlString;@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);urlPlayButton = (Button) findViewById(R.id.url);uriPlayButton = (Button) findViewById(R.id.uri);playUrlString = SdService.getSDPath() + "/test.mp3";stopButton = (Button) findViewById(R.id.stop);OnClickListener playOnClickListener = new OnClickListener(){@Overridepublic void onClick(View v){// TODO Auto-generated method stubswitch (v.getId()){case R.id.url:playService.PlayMusic(PlayMusicActivity.this,playUrlString, playService.URLPLAY);break;case R.id.uri:playService.PlayMusic(PlayMusicActivity.this,playUrlString, playService.URIPLAY);break;case R.id.stop:playService.stopMusic();break;default:break;}};};urlPlayButton.setOnClickListener(playOnClickListener);uriPlayButton.setOnClickListener(playOnClickListener);stopButton.setOnClickListener(playOnClickListener);}}?