Android Open Source - NotATop Sound Control

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Back to project page NotATop.

License

The source code is released under:

GNU General Public License

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Java Source Code

package com.gg.module;
/*w w  w.j  a va2 s.c o  m*/
import java.util.HashMap;
import java.util.Map;
import com.gg.view.R;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.SoundPool;

public class SoundControl {
  
  private MediaPlayer music ;  //music ????
  public AudioManager am;  //?????????????????
  private SoundPool soundPool ; // short music

  private boolean soundOn ; //short music control
  
  private Context context ;  
  
  private Map<Integer , Integer> soundMap;   //??????Id????????????Id?????????
  
  
  public SoundControl(Context context){
    init(context);
  }
  
  //??????????????
  private void initMusic(){
    music = MediaPlayer.create(context, R.raw.backmusic);
    music.setLooping(true);
  }
  
  
  //??????????????
  private void initSound(){
    soundPool = new SoundPool(10,AudioManager.STREAM_MUSIC,100);
    
    soundMap = new HashMap<Integer,Integer>();
    
    soundMap.put(R.raw.choose, soundPool.load(context, R.raw.choose,1));
    
    soundMap.put(R.raw.end, soundPool.load(context, R.raw.end,1));
    
    soundMap.put(R.raw.pai, soundPool.load(context, R.raw.pai,1));
    
    soundMap.put(R.raw.runing, soundPool.load(context, R.raw.runing,1));
    
  }      

  //????????????????
  public void init(Context c){
  
    context = c ;
  
    initMusic();
    
    initSound();
  }
  
  
  //????????????
  public boolean isSoundOn(){
    return soundOn;
  }
  
  
  //???????????
  public void playSound(int resId){
    am=(AudioManager)context.getSystemService(context.AUDIO_SERVICE);
      float audioMaxVolumn=am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);  //??????AudioManager?????????????
      float audioCurrentVolumn=am.getStreamVolume(AudioManager.STREAM_MUSIC);//??????AudioManager??????????
      float volumnRatio=audioCurrentVolumn/audioMaxVolumn;
      if(isSoundOn() == false)//????????????
      return ;
      soundPool.play(
          soundMap.get(resId),           //?????????id
          volumnRatio,             //??????????
          volumnRatio,             //??????????
          1,                   //???????0????
          0,               //?????????0????????-1????????
          1                  //?????? ???????0.5-2.0???1????????
    );
    
    Integer soundId = soundMap.get(resId);
    if(soundId != null)
      soundPool.play(soundId, 1, 1, 1, 0, 1);
  }
  
  
  //???????
  public void setMusic(){
    if(music.isPlaying()){
      music.pause();
      soundOn = false;
    }
    else{
      music.start();
      soundOn = true;
    }
  }
  
  
  //????????
  public void paisound(){
    playSound(R.raw.pai);
  }
  
  public void end(){
    playSound(R.raw.end);
  }
  
  public void choose(){
    playSound(R.raw.choose);
  }
  
  public void running(){
    playSound(R.raw.runing);
  }
  
  
  //??????????????
  public void releasemusic(){
    music.release();
    soundPool.release();
  }
  
}

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