package ch09.section07;

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

//顏色選擇器主程序
public class MiniColor
    extends MIDlet
    implements CommandListener {
  private Display display;

  private MiniColorChooser chooser;

  //退出按鈕
  private Command exitCommand = new Command("退出", Command.EXIT, 1);

  public MiniColor() {
    display = Display.getDisplay(this);
    chooser = new MiniColorChooser();
    //設置事件監(jiān)聽器
    chooser.addCommand(exitCommand);
    chooser.setCommandListener(this);

    chooser.setColor(0xffff00);
  }

  //應用程序入口
  public void startApp() {
    display.setCurrent(chooser);
  }

  //掛起應用程序
  public void pauseApp() {
  }

  //撤銷應用程序
  public void destroyApp(boolean unconditional) {
  }

  //響應按鈕事件
  public void commandAction(Command c, Displayable s) {
    if (c == exitCommand) {
      destroyApp(true);
      notifyDestroyed();
    }
  }
}