List CheckBox : List « J2ME « Java

1. Java
2. J2ME
3. List

List CheckBox

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

*/
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;

public class ListCheckBox extends MIDlet implements CommandListener {
  private Display display;

  private Command exit = new Command("Exit", Command.EXIT, 1);

  private Command submit = new Command("Submit", Command.SCREEN, 2);

  private List list = new List("Select Media", List.MULTIPLE);

  public ListCheckBox() {
    display = Display.getDisplay(this);

    list.append("Books", null);
    list.append("Movies", null);
    list.append("Television", null);
    list.append("Radio", null);

    list.addCommand(exit);
    list.addCommand(submit);
    list.setCommandListener(this);
  }

  public void startApp() {
    display.setCurrent(list);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

  public void commandAction(Command command, Displayable Displayable) {
    if (command == submit) {
      boolean choice[] = new boolean[list.size()];
      StringBuffer message = new StringBuffer();
      list.getSelectedFlags(choice);
      for (int i = 0; i < choice.length; i++) {
        if (choice[i]) {
          message.append(list.getString(i));
          message.append(" ");
        }
      }
      Alert alert = new Alert("Choice", message.toString(), null, null);
      alert.setTimeout(Alert.FOREVER);
      alert.setType(AlertType.INFO);
      display.setCurrent(alert);
      list.removeCommand(submit);
    } else if (command == exit) {
      destroyApp(false);
      notifyDestroyed();
    }
  }
}


           
       

Related examples in the same category

1.	List Demo
2.	List Implicit
3.	List RadioButton
4.	GUI Test in MIDlet
5.	Travel List
6.	Payment MIDlet
7.	multiple Choice List
8.	Implicit List
9.	List Item MIDlet