Android声音播放实例代码

布局文件：

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.ch_2013_4_9playsound"
     android:versionCode="1"
     android:versionName="1.0" >

     <uses-sdk
         android:minSdkVersion="8"
         android:targetSdkVersion="17" />

     <application
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
             android:name="com.example.ch_2013_4_9playsound.MainActivity"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>

 </manifest>

Activity：

 package com.example.ch_2013_4_9playsound;

 import java.util.HashMap;

 import android.media.AudioManager;
 import android.media.SoundPool;
 import android.os.Bundle;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
 import android.view.Menu;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.Toast;

 @SuppressLint("UseSparseArrays")
 public class MainActivity extends Activity implements OnClickListener {

     Button btn_play;
     Button btn_play1;
     Button btn_stop;
     Button btn_stop1;

     SoundPool sp;
     HashMap<Integer, Integer> spMap;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         InitSound();
         Init();
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.main, menu);
         return true;
     }
         //http://www.cnblogs.com/sosoft/

     public void Init() {
         btn_play = (Button) findViewById(R.id.btn_play);
         btn_play1 = (Button) findViewById(R.id.btn_play1);
         btn_stop = (Button) findViewById(R.id.btn_stop);
         btn_stop1 = (Button) findViewById(R.id.btn_stop1);

         btn_play.setOnClickListener(this);
         btn_play1.setOnClickListener(this);
         btn_stop.setOnClickListener(this);
         btn_stop1.setOnClickListener(this);
     }

     public void InitSound() {
         sp = new SoundPool(5, AudioManager.STREAM_MUSIC, 0);
         spMap = new HashMap<Integer, Integer>();
         spMap.put(1, sp.load(this, R.raw.fire, 1));
         spMap.put(2, sp.load(this, R.raw.hit, 1));

     }

     public void playSound(int sound, int number) {
         AudioManager am = (AudioManager) this
                 .getSystemService(Context.AUDIO_SERVICE);
         float audioMaxVolumn = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
         float volumnCurrent = am.getStreamVolume(AudioManager.STREAM_MUSIC);
         float volumnRatio = volumnCurrent / audioMaxVolumn;

         sp.play(spMap.get(sound), volumnRatio, volumnRatio, 1, number,  1f);
     }

     @Override
     public void onClick(View v) {
         // TODO Auto-generated method stub
         if (v == btn_play) {
             playSound(1, 0);
             Toast.makeText(this, "play1", Toast.LENGTH_SHORT).show();
         }
         if (v == btn_play1) {
             playSound(2, 1);
             Toast.makeText(this, "play2", Toast.LENGTH_SHORT).show();
         }
         if (v == btn_stop) {
             sp.pause(spMap.get(1));
             Toast.makeText(this, "stop", Toast.LENGTH_SHORT).show();
         }
         if (v == btn_stop1) {
             sp.pause(spMap.get(2));
             Toast.makeText(this, "stop1", Toast.LENGTH_SHORT).show();
         }
     }

 }