errorscreen.java

J2ME手机游戏开发详解中的迷宫穿越游戏。 是一个3d手机游戏

import javax.microedition.lcdui.*;
class ErrorScreen  extends Alert
{
  private static Image image;
  private static Display display;
  private static ErrorScreen instance = null;
  private ErrorScreen()
  {
    super("Error");
    setType(AlertType.ERROR);
    setTimeout(5000);
    setImage(image);
  }
  static void init(Image img, Display disp)
  {
    image = img;
    display = disp;
  }
  static void showError(String message, Displayable next)
  {
    if (instance == null)
    {
      instance = new ErrorScreen();
    }
    instance.setTitle("Error");
    instance.setString(message);
    display.setCurrent(instance, next);
  }
}