mainmidlet.java

来自「拼图游戏的手机源码 有三种不同难度的选择」· Java 代码 · 共 53 行

package jigsawpuzzle;

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

public class MainMidlet extends MIDlet {

    private static MainMidlet instance;
    private static Display display;
    private static Stack screens = new Stack();

    public MainMidlet() {
        instance = this;
        display = Display.getDisplay(this);
        MenuListForm menuListForm = new MenuListForm("Jigsaw Puzzle", List.IMPLICIT);
        pushScreen(menuListForm);
    }

    public void startApp() {
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public static void quitApp() {
        instance.destroyApp(true);
        instance.notifyDestroyed();
        instance = null;
    }

    public static void pushScreen(Displayable d) {
        screens.push(d);
        display.setCurrent((Displayable) screens.peek());
    }

    public static void popScreen() {
        screens.pop();
        display.setCurrent((Displayable) screens.peek());
    }

    public static Displayable peekScreen() {
        return (Displayable) screens.peek();
    }

    public static Display getDisplay() {
        return display;
    }
}