手机版泡泡龙游戏

				package paopao;
				
				import javax.microedition.midlet.*;
				import javax.microedition.lcdui.*;
				
				public class PaoPao
				    extends MIDlet {
				  private static PaoPao instance;
				  private static Logo logo;
				  private static Menu menu;
				  private static GameWorld gw;
				  static boolean isNewGame = true;
				  static final int LOGO_ID = 1;
				  static final int MENU_ID = 2;
				  static final int GAMEWORLD_ID = 3;
				  /** Constructor */
				  public PaoPao() {
				    instance = this;
				
				  }
				
				  private static void loadResource() {
				    Resource.init(40);
				    for (int i = 1; i 				      Resource.setImage(i, Resource.DIR + "point" + i * 6 + ".png");
				    Resource.setImage(Resource.BG, Resource.DIR + "bg.png");
				    Resource.setImage(Resource.BALL, Resource.DIR + "ball.png");
				    // Resource.setImage(Resource.BALL_BOMB,Resource.DIR + "ball_bomb.png");
				    // Resource.setImage(Resource.POINT,Resource.DIR + "point.png");
				    // Resource.setImage(Resource.AID_LINE,Resource.DIR + "aid_line.png");
				    //Resource.setImage(Resource.PROPS,Resource.DIR + "props.png");
				    //Resource.setImage(Resource.BBALL,Resource.DIR + "bball.png");
				  }
				
				  /** Main method */
				  public void startApp() {
				    if (isNewGame) {
				      Resource.loadAngleValue();
				      loadResource();
				      isNewGame = false;
				      shiftCanvas(GAMEWORLD_ID, 6);
				    }
				  }
				
				  /** Handle pausing the MIDlet */
				  public void pauseApp() {
				  }
				
				  /** Handle destroying the MIDlet */
				  public void destroyApp(boolean unconditional) {
				    gw = null;
				    isNewGame = true;
				    instance.notifyDestroyed();
				    instance = null;
				    System.gc();
				
				  }
				
				  /** Quit the MIDlet */
				  public static void quitApp() {
				    instance.destroyApp(true);
				  }
				
				  protected static void shiftCanvas(int canvasId, int hardLevel) {
				    switch (canvasId) {
				      case LOGO_ID:
				        logo = new Logo();
				        Display.getDisplay(instance).setCurrent(logo);
				        break;
				      case MENU_ID:
				        menu = new Menu();
				        Display.getDisplay(instance).setCurrent(menu);
				        break;
				      case GAMEWORLD_ID:
				        if (gw == null)
				          gw = new GameWorld(hardLevel);
				        gw.show();
				        Display.getDisplay(instance).setCurrent(gw);
				        break;
				      default:
				        break;
				    }
				  }
				
				}