Android Open Source - SnowLand Android Music

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.walrus.framework.implementation;
// www .  java 2s  .  c o m
import java.io.IOException;

import android.content.res.AssetFileDescriptor;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.media.MediaPlayer.OnSeekCompleteListener;
import android.media.MediaPlayer.OnVideoSizeChangedListener;

import com.walrus.framework.Music;

public class AndroidMusic implements Music, OnCompletionListener, OnSeekCompleteListener, OnPreparedListener, OnVideoSizeChangedListener {
    MediaPlayer mediaPlayer;
    boolean isPrepared = false;

    public AndroidMusic(AssetFileDescriptor assetDescriptor) {
        mediaPlayer = new MediaPlayer();
        try {
            mediaPlayer.setDataSource(assetDescriptor.getFileDescriptor(),
                    assetDescriptor.getStartOffset(),
                    assetDescriptor.getLength());
            mediaPlayer.prepare();
            isPrepared = true;
            mediaPlayer.setOnCompletionListener(this);
            mediaPlayer.setOnSeekCompleteListener(this);
            mediaPlayer.setOnPreparedListener(this);
            mediaPlayer.setOnVideoSizeChangedListener(this);
            
        } catch (Exception e) {
            throw new RuntimeException("Couldn't load music");
        }
    }

    @Override
    public void dispose() {
    
       if (this.mediaPlayer.isPlaying()){
             this.mediaPlayer.stop();
              }
        this.mediaPlayer.release();
    }

    @Override
    public boolean isLooping() {
        return mediaPlayer.isLooping();
    }

    @Override
    public boolean isPlaying() {
        return this.mediaPlayer.isPlaying();
    }

    @Override
    public boolean isStopped() {
        return !isPrepared;
    }

    @Override
    public void pause() {
        if (this.mediaPlayer.isPlaying())
            mediaPlayer.pause();
    }

    
    
    @Override
    public void play() {
        if (this.mediaPlayer.isPlaying())
            return;

        try {
            synchronized (this) {
                if (!isPrepared)
                    mediaPlayer.prepare();
                mediaPlayer.start();
            }
        } catch (IllegalStateException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void setLooping(boolean isLooping) {
        mediaPlayer.setLooping(isLooping);
    }

    @Override
    public void setVolume(float volume) {
        mediaPlayer.setVolume(volume, volume);
    }

    @Override
    public void stop() {
       if (this.mediaPlayer.isPlaying() == true){
        this.mediaPlayer.stop();
        
       synchronized (this) {
           isPrepared = false;
        }}
    }

    @Override
    public void onCompletion(MediaPlayer player) {
        synchronized (this) {
            isPrepared = false;
        }
    }

  @Override
  public void seekBegin() {
    mediaPlayer.seekTo(0);
    
  }


  @Override
  public void onPrepared(MediaPlayer player) {
    // TODO Auto-generated method stub
     synchronized (this) {
             isPrepared = true;
          }
    
  }

  @Override
  public void onSeekComplete(MediaPlayer player) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public void onVideoSizeChanged(MediaPlayer player, int width, int height) {
    // TODO Auto-generated method stub
    
  }
}
Java Source Code List
