Android Open Source - beatbox Beats Pallete

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From Project

Back to project page beatbox.

License

The source code is released under:

Copyright 2014 Giovanni Arroyo

Java Source Code

package gio.beatboxer;
//from   ww  w  .ja v a  2  s .c  om
import java.io.IOException;

import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.content.res.AssetManager;
import android.graphics.Color;
import android.media.AudioManager;
import android.media.SoundPool;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.RelativeLayout;

public class BeatsPallete 
{
  int[] effectsIDs;
  SoundPool sndPoolPalleteEffects;
  
  AssetManager sndEffectsManager;
  AssetFileDescriptor descriptor;
  
  Context context;
  
  RelativeLayout beatPalet;
  RelativeLayout.LayoutParams beatPaletParams;
  Button[] paletBtns;
  
  int[] effectsIDs2;
  SoundPool sndPoolGridEffects;
  SoundBox sb;
  
  BeatsGrid bg;
  
  int index = 0;
  
  static int instanceTotal = 0;
  int instanceNumber;
  
  int effectsSize;
    
  BeatsPallete(Context context, BeatsGrid bg, int effectsSize, SoundBox sb)
  {
    this.sb = sb;
    
    
    this.context = context;
    this.bg = bg;
    this.loadPallete();
    this.loadBtns(effectsSize);
    this.loadEffectsArray(effectsSize);
    this.loadEffectsListeners(effectsSize);
      instanceTotal++;
      this.instanceNumber = instanceTotal;
    this.effectsSize = effectsSize;
    
  }
  
  private void loadPallete()
  {
    this.beatPalet = new RelativeLayout(this.context);
    this.beatPaletParams = new RelativeLayout.LayoutParams(80, 480);
    beatPalet.setLayoutParams(beatPaletParams);
    beatPalet.setBackgroundColor(Color.rgb(100, 0, 0));
  }
  
  private void loadBtns(int effectsSize)
  {
    this.paletBtns = new Button[effectsSize];
    for(int i = 0; i <= effectsSize -1; i++)
    {
      this.paletBtns[i] = new Button(this.context);
        RelativeLayout.LayoutParams buttonParams = new RelativeLayout.LayoutParams(80, 80);
        
        this.paletBtns[i].setId(i+1);
        if(i > 0)
        {
           buttonParams.addRule(RelativeLayout.BELOW, i);
        }
        
        this.paletBtns[i].setLayoutParams(buttonParams);
    }
    
    for(int i = 0; i <= effectsSize -1; i++)
    {
      this.beatPalet.addView(paletBtns[i]);
    }  
  }
  
  public void loadEffectsArray(int effectsSize)
  {
    this.sndEffectsManager = context.getAssets();
    this.sndPoolPalleteEffects = new SoundPool(12, AudioManager.STREAM_MUSIC, 0);
    this.descriptor = null;
    
    this.effectsIDs = new int[effectsSize];
    for(int i = 0; i <= effectsSize -1; i++)
    {
      this.effectsIDs[i] = -1;
    }
    
    this.sndPoolGridEffects = new SoundPool(12, AudioManager.STREAM_MUSIC, 0);
    this.effectsIDs2 = new int[effectsSize];
  }
  
  public void loadEffectsListeners(int effectsSize)
  {
    for(int i = 0; i <= effectsSize -1; i++)
    {
      this.paletBtns[i].setOnClickListener(new EffectsListener(this.paletBtns[i]));
    }
    
  }
    
  public void loadEffect(String fileName)
  {    
    try
    {
    descriptor = sndEffectsManager.openFd(fileName);
      this.effectsIDs[index] = sndPoolPalleteEffects.load(descriptor, 1); 
      this.effectsIDs2[index] = sndPoolGridEffects.load(descriptor, 1); 
      index++;
      
      sb.loadEffect(fileName);
    }
    
    catch(IOException ex)
    {
      Log.v("BeatsPallete", fileName + "WAS NOT LOADED");
    }
  }
  
  public RelativeLayout getView()
  {
    return this.beatPalet;
  }
  
  public void setBeatsGrid(BeatsGrid bg)
  {
    this.bg = bg;
  }
  
  public void setId(int id)
  {
    this.beatPalet.setId(id);
  }
  
    private class EffectsListener implements View.OnClickListener
    {
      Button btnEffect;
      
      public EffectsListener(Button btnEffect)
      {
        this.btnEffect = btnEffect;
      }

    @Override
    public void onClick(View v) 
    {
        sndPoolPalleteEffects.play(effectsIDs[this.btnEffect.getId()-1], 1, 1, 0, 0, 1);
        sb.currentSoundEffectId = sb.soundpoolIDS.get((this.btnEffect.getId() - 1) + ((instanceNumber-1) * effectsSize));
    }
    }
}

Java Source Code List

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