采用mediaPlayer 管理声音资源

音频接口

import android.content.Context;
import android.media.MediaPlayer;
import android.net.Uri;

public class AudioClip {
	private final static String TAG = "AudioClip";
	private String name;
	private MediaPlayer mPlayer;
	protected boolean mLoop;
	protected boolean mPlaying;

	public AudioClip(Context ctx, int resid) {
		name = ctx.getResources().getResourceName(resid);
		mPlayer = MediaPlayer.create(ctx, resid);
		setInitListener();
	}

	public AudioClip(Context ctx, Uri uri) {
		name = uri.toString();
		mPlayer = MediaPlayer.create(ctx, uri);
		setInitListener();
	}

	private void setInitListener() {
		mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
			public void onCompletion(MediaPlayer mp) {
				mPlaying = false;
				if (mLoop) {
					mPlayer.start();
				}
			}
		});
	}

	public synchronized void play() {
		if (mPlaying)
			return;
		if (mPlayer != null) {
			mPlaying = true;
			mPlayer.start();
		}
	}

	public synchronized void play(int vol) {
		if (mPlayer != null)
			mPlayer.setVolume((float) Math.log(vol), (float) Math.log(vol));
		play(vol);
	}

	public synchronized void stop() {
		if (!mPlaying)
			return;
		if (mPlayer != null) {
			mLoop = false;
			mPlaying = false;
			mPlayer.stop();
		}
	}

	public synchronized void loop() {
		mLoop = true;
		mPlaying = true;
		mPlayer.start();
	}
}