import processing.serial.*;
Serial myPort;
int xPos = 1;
int HorizontalLines = 30;
int VerticalLines = 20;
 
void setup ()
{
  size(200, 300);       
  println(Serial.list());
  myPort = new Serial(this, Serial.list()[1], 9600);
  myPort.bufferUntil(' ');
  resetbg();
}

void draw () {

 
}
 
void serialEvent (Serial myPort) {
 

  String inString = myPort.readStringUntil(' ');
 
  if (inString != null) {
    // trim off any whitespace:
    inString = trim(inString);
    // convert to an int and map to the screen height:
    float inByte = float(inString);
    inByte = map(inByte, 0, 1023, 0, height);
    
    // draw the line:
    stroke(0,0,0);
    //line(xPos, height, xPos, height - inByte);
    strokeWeight(3);
    point(xPos, height - inByte);
    
    // at the edge of the screen, go back to the beginning:
    if (xPos >= width) {
      xPos = 0;
      resetbg();
    } else {
      // increment the horizontal position:
      xPos++;
    }
  }
}

void resetbg() {
  background (255,255,255);
  stroke(255,0,0);
  strokeWeight(1);

  float distanceBetweenHorizontalLines = (float)height/HorizontalLines;
  float distanceBetweenVerticalLines = (float)width/VerticalLines;

  for(int i = 0; i < HorizontalLines; i++)
  {
    line(0, i*distanceBetweenHorizontalLines, width, i*distanceBetweenHorizontalLines);

  }

  for(int i = 0; i < VerticalLines; i++)
  {
    line (i*distanceBetweenVerticalLines,0,i*distanceBetweenVerticalLines, height);
  }
}
 

This is my code!

I want to take from my arduino, via bluetooth, a voltage to make a live graph on the screen.

When i run it on standard processing it's looks great...



but on android mode… no…