Use ChoiceGroup : ChoiceGroup « J2ME « Java Tutorial

1. Java Tutorial
2. J2ME
3. ChoiceGroup

import java.io.IOException;

import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Image;
import javax.microedition.midlet.MIDlet;

public class ChoiceGroupMIDlet extends MIDlet {
  protected Display display;

  protected void startApp() {
    display = Display.getDisplay(this);

    Form form = new Form("Demo");

    form.append("line");
        try {
          Image red = Image.createImage("/red.png");
          Image green = Image.createImage("/green.png");
          Image blue = Image.createImage("/blue.png");
    
          String[] strings = new String[] { "Red", "Green", "Blue" };
          Image[] images = new Image[] { red, green, blue };
          ChoiceGroup exGroup = new ChoiceGroup("Choose one", ChoiceGroup.EXCLUSIVE,
                                                      strings, images);
          form.append(exGroup);
          ChoiceGroup multiGroup = new ChoiceGroup("Choose any", ChoiceGroup.MULTIPLE);
          form.append(multiGroup);
          multiGroup.append("Use SSL", null);
          multiGroup.append("Reconnect on failure", null);
          multiGroup.append("Enable tracing", null);
       } catch (IOException ex) {
          form.append("Failed to load images");
       }


    display.setCurrent(form);
  }

  protected void pauseApp() {
  }

  protected void destroyApp(boolean unconditional) {
  }
}

31.9.ChoiceGroup
	31.9.1.	Use ChoiceGroup
	31.9.2.	Add choice to ChoiceGroup