Java by API/javax.microedition.lcdui/ChoiceGroup

ChoiceGroup.MULTIPLE

   <source lang="java">

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) {
 }

}

 </source>
   
  
 
  

ChoiceGroup(String label, int choiceType)

   <source lang="java">

import javax.microedition.lcdui.Choice; import javax.microedition.lcdui.ChoiceGroup; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Form; import javax.microedition.lcdui.StringItem; import javax.microedition.midlet.MIDlet; public class J2MECheckBoxes extends MIDlet implements CommandListener {

 private Display display;
 private Form form = new Form("Movies");
 private Command exit = new Command("Exit", Command.EXIT, 1);
 private Command process = new Command("Process", Command.SCREEN, 2);
 private ChoiceGroup movies = new ChoiceGroup("Select Movies You Like to See", Choice.MULTIPLE);
 private int movieIndex;
 public J2MECheckBoxes() {
   display = Display.getDisplay(this);
   movies.append("A", null);
   movies.append("R", null);
   movies.append("C", null);
   movies.append("H", null);
   movieIndex = form.append(movies);
   form.addCommand(exit);
   form.addCommand(process);
   form.setCommandListener(this);
 }
 public void startApp() {
   display.setCurrent(form);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }
 public void commandAction(Command command, Displayable displayable) {
   if (command == process) {
     boolean picks[] = new boolean[movies.size()];
     StringItem message[] = new StringItem[movies.size()];
     movies.getSelectedFlags(picks);
     for (int x = 0; x < picks.length; x++) {
       if (picks[x]) {
         message[x] = new StringItem("", movies.getString(x) + "\n");
         form.append(message[x]);
       }
     }
     form.delete(movieIndex);
     form.removeCommand(process);
   } else if (command == exit) {
     destroyApp(false);
     notifyDestroyed();
   }
 }

}

 </source>