Android Open Source - Pd-Processing-Template Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.twobigears.pdprocessingtemplate;
/* w  w  w .j a  va  2  s  .  c o  m*/
import java.io.File;
import java.io.IOException;

import org.puredata.android.io.AudioParameters;
import org.puredata.android.service.PdService;
import org.puredata.android.utils.PdUiDispatcher;
import org.puredata.core.PdBase;
import org.puredata.core.utils.IoUtils;



import processing.core.PApplet;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.MotionEvent;
import android.widget.Toast;

public class MainActivity extends PApplet {
  
  
  public int sketchWidth() {
    return displayWidth;
  }

  public int sketchHeight() {
    return displayHeight;
  }

  public String sketchRenderer() {
    return JAVA2D;
  }
  
  private PdService pdService = null;
  private PdUiDispatcher dispatcher;
  float pd = 0;
  String TAG="Processing Template";
  
  int bgCol = color(28, 28, 28);
  
  
  /**
   * setting up libPd as a background service the initPdService() method binds
   * the service to the background thread. call initPdService in onCreate() to
   * start the service.
   */

  protected final ServiceConnection pdConnection = new ServiceConnection() {
    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
      pdService = ((PdService.PdBinder) service).getService();

      try {
        initPd();
        loadPatch();
      } catch (IOException e) {
        Log.e(TAG, e.toString());
        finish();
      }

    }

    @Override
    public void onServiceDisconnected(ComponentName name) {
      // Never called

    }
  };

  /* Bind pd service */

  private void initPdService() {

    new Thread() {
      @Override
      public void run() {
        bindService(new Intent(MainActivity.this, PdService.class),
            pdConnection, BIND_AUTO_CREATE);
      }
    }.start();
  }

  /* initialise pd, also setup listeners here */
  protected void initPd() throws IOException {

    // Configure the audio glue
    int sampleRate = AudioParameters.suggestSampleRate();


    pdService.initAudio(sampleRate, 0, 2, 10.0f);
    
    pdService.startAudio(new Intent(this, MainActivity.class),
        R.drawable.icon, "Sample", "Return to Processing");

    dispatcher = new PdUiDispatcher();
    PdBase.setReceiver(dispatcher);



  }

  protected void loadPatch() throws IOException {

    if (pd == 0) {
      File dir = getFilesDir();
      IoUtils.extractZipResource(
          getResources().openRawResource(
              com.twobigears.pdprocessingtemplate.R.raw.synth), dir,
          true);
      File patchFile = new File(dir, "synth.pd");
      pd = PdBase.openPatch(patchFile.getAbsolutePath());


    }
  }

  //setup Processing stuff
  
  public void setup(){
    frameRate(60);
    background(bgCol);
  }
  
  public void draw(){
    background(bgCol);
  }


  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //setContentView(R.layout.activity_main);
    initPdService();
  }
  
  @Override
  public boolean dispatchTouchEvent(MotionEvent event) {


    width = displayWidth;
    height = displayHeight;
    
    //get and normalise the touch coordinates
    float x = (event.getX())/width;
    float y = (event.getY())/height;
    
    int action = event.getActionMasked();
    
    switch(action){
    case MotionEvent.ACTION_DOWN:
      PdBase.sendFloat("pd_toggle",1);
      bgCol=color(x*255,y*255,Math.abs(x-y)*255);
      break;
    
    
    case MotionEvent.ACTION_UP:
      PdBase.sendFloat("pd_toggle",0);
      bgCol=color(28,28,28);
      break;
    
    case MotionEvent.ACTION_MOVE:
      PdBase.sendFloat("pd_x", x);
      PdBase.sendFloat("pd_y", y);
      bgCol=color(x*255,y*255,Math.abs(x-y)*255);
      break;
      
    }
    return super.dispatchTouchEvent(event);
  }
  
  @Override
  public void onDestroy() {
    super.onDestroy();

    // release all resources called by pdservice
    dispatcher.release();
    if (pd != 0) {
      PdBase.closePatch((int) pd);
      pd = 0;
    }
    pdService.stopAudio();
    unbindService(pdConnection);
  }



}

Java Source Code List

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