[ Processing for Android ] A Simple TouchMotion example

import processing.core.*; 
import processing.data.*; 
import processing.event.*; 
import processing.opengl.*; 

import android.view.MotionEvent; 

import java.util.HashMap; 
import java.util.ArrayList; 
import java.io.*;

public class TestTouchMotion extends PApplet {

public void setup() {
 

  orientation(PORTRAIT);
  stroke(255);
  smooth();

}

public void draw() {
  background(0);
}

public void showCircle(float x, float y, float siz) {
  int circleSize = 500;
  float diameter = circleSize * siz;
  noFill();
  strokeWeight(20);
  colorMode(RGB, 255);
  stroke(PApplet.parseInt(random(0,255)),PApplet.parseInt(random(0,255)),PApplet.parseInt(random(0,255)));
  ellipse(x, y, diameter, diameter);
  fill(0,255,0);
  ellipse(x, y, 8, 8);
}

public boolean dispatchTouchEvent(MotionEvent me) {
  int numPointers = me.getPointerCount();
  for(int i=0; i < numPointers; i++) {
    int pointerId = me.getPointerId(i);
    float x = me.getX(i);
    float y = me.getY(i);
    float siz = me.getSize(i);
    showCircle(x, y, siz);
  }
  return super.dispatchTouchEvent(me);
}


  public int sketchWidth() { return displayWidth; }
  public int sketchHeight() { return displayHeight; }
}