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();
        }
    }

}