simplified example of Android sound player

MediaPlayer-excerpt.java

    /**
     * Convenience method to create a MediaPlayer for a given resource id.
     * On success, {@link #prepare()} will already have been called and must not be called again.
     * <p>When done with the MediaPlayer, you should call  {@link #release()},
     * to free the resources. If not released, too many MediaPlayer instances will
     * result in an exception.</p>
     *
     * @param context the Context to use
     * @param resid the raw resource id (<var>R.raw.&lt;something></var>) for
     *              the resource to use as the datasource
     * @return a MediaPlayer object, or null if creation failed
     */
    public static MediaPlayer create(Context context, int resid) {
        try {
            AssetFileDescriptor afd = context.getResources().openRawResourceFd(resid);
            if (afd == null) return null;

            MediaPlayer mp = new MediaPlayer();
            mp.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
            afd.close();
            mp.prepare();
            return mp;
        } catch (IOException ex) {
            Log.d(TAG, "create failed:", ex);
            // fall through
        } catch (IllegalArgumentException ex) {
            Log.d(TAG, "create failed:", ex);
           // fall through
        } catch (SecurityException ex) {
            Log.d(TAG, "create failed:", ex);
            // fall through
        }
        return null;
    }

PlaySound.java

package com.locateexpress.app;

import java.util.HashSet;
import android.content.Context;
import android.media.MediaPlayer;
import android.util.Log;

final class PlaySound {
    private static HashSet<MediaPlayer> mpSet = new HashSet<MediaPlayer>();

    static void play(Context context, int resId) {
        MediaPlayer mp = MediaPlayer.create(context, resId);
        mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                mpSet.remove(mp);
                mp.stop();
                mp.release();
            }
        });
        mpSet.add(mp);
        mp.start();
    }

    static void stop() {
        for (MediaPlayer mp : mpSet) {
            if (mp != null) {
                mp.stop();
                mp.release();
            }
        }
        mpSet.clear();
    }
}

PlaySound2.java

package com.locateexpress.app;

import java.util.HashSet;
import java.io.IOException;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.net.Uri;
import android.util.Log;

final class PlaySound2 {
    private static HashSet<MediaPlayer> mpSet = new HashSet<MediaPlayer>();

    static void play(Context context, int resId) {
        try {
            MediaPlayer mp = new MediaPlayer();
            mp.setDataSource(context, Uri.parse("android.resource://" + Config.PACKAGE + "/" + resId));
            mp.setAudioStreamType(AudioManager.STREAM_RING);
            mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
                @Override
                public void onCompletion(MediaPlayer mp) {
                    mpSet.remove(mp);
                    mp.stop();
                    mp.release();
                }
            });
            mp.prepare();
            mpSet.add(mp);
            mp.start();
        } catch (IOException e) {
            if (Config.DEBUG) Log.e(Config.APP_NAME, "Error playing audio resource", e);
        }
    }

    static void stop() {
        for (MediaPlayer mp : mpSet) {
            if (mp != null) {
                mp.stop();
                mp.release();
            }
        }
        mpSet.clear();
    }
}