Arc : Shape « J2ME « Java

1. Java
2. J2ME
3. Shape

Arc

//jad file (please verify the jar size)
/*
MIDlet-Name: ArcExampleMIDlet
MIDlet-Version: 1.0
MIDlet-Vendor: MyCompany
MIDlet-Jar-URL: ArcExampleMIDlet.jar
MIDlet-1: ArcExampleMIDlet, , ArcExampleMIDlet
MicroEdition-Configuration: CLDC-1.0
MicroEdition-Profile: MIDP-1.0
MIDlet-JAR-SIZE: 100

*/
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;

public class ArcExampleMIDlet extends MIDlet {
  private Display display;

  private MyCanvas canvas;

  public ArcExampleMIDlet() {
    display = Display.getDisplay(this);
    canvas = new MyCanvas(this);
  }

  protected void startApp() {
    display.setCurrent(canvas);
  }

  protected void pauseApp() {
  }

  protected void destroyApp(boolean unconditional) {
  }

  public void exitMIDlet() {
    destroyApp(true);
    notifyDestroyed();
  }
}

class MyCanvas extends Canvas implements CommandListener {
  private Command exit;

  private ArcExampleMIDlet arcExample;

  public MyCanvas(ArcExampleMIDlet arcExample) {
    this.arcExample = arcExample;
    exit = new Command("Exit", Command.EXIT, 1);
    addCommand(exit);
    setCommandListener(this);
  }

  protected void paint(Graphics graphics) {
    graphics.setColor(255, 255, 255);
    graphics.fillRect(0, 0, getWidth(), getHeight());
    graphics.setColor(255, 0, 0);
    graphics.drawArc(0, 0, getWidth(), getHeight(), 180, 180);
  }

  public void commandAction(Command command, Displayable displayable) {
    if (command == exit) {
      arcExample.exitMIDlet();
    }
  }
}

           
       

Related examples in the same category

1.	Rectangle Example
2.	Rectangles
3.	Filled Rectangle Example
4.	Arc Filled Example
5.	Draw arc on a canvas