commanddemo.java

J2ME高级用户界面的学习代码

//CommandDemo.java

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;


public class CommandDemo extends MIDlet {
  private Display display;
  private TextBox textBox;

  public CommandDemo() {
    display = Display.getDisplay(this);
    textBox = new TextBox("Command Demostration", "Add many COMMAND soft keys",
                          50, 0);
    textBox.addCommand(new Command("Open", Command.SCREEN, 1));
    textBox.addCommand(new Command("Save", Command.SCREEN, 2));
    textBox.addCommand(new Command("Info", Command.SCREEN, 3));
    textBox.addCommand(new Command("Back", Command.SCREEN, 4));
    textBox.addCommand(new Command("Exit", Command.SCREEN, 5));
  }

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

  public void pauseApp() {}

  public void destroyApp(boolean unconditional) {}
}