welcomecanvas.java

用J2ME写的手机游戏。“北京浮生记”是您工作学习之余消遣休闲理想的小游戏

import javax.microedition.lcdui.*;

import com.nokia.mid.ui.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class WelcomeCanvas
    extends FullCanvas
    implements Runnable {
  Image image;
  Display display;
  Thread thread;
  private int width, height;
  int index;

  public WelcomeCanvas(Display display, int index) {
    System.out.println(1);
    this.display = display;
    this.index = index;
    width = this.getWidth();
    height = this.getHeight();
    System.out.println(2);
    //导入资源
    try {
          System.out.println(3);
      if (index == 0) {
        image = Image.createImage("/res/pic001.png");
      }
      else if (index == 1) {
        image = Image.createImage("/res/pic002.png");
      }
      System.out.println(4);
    }
    catch (Exception e) {
          System.out.println("aaaa"+e);
    }
    System.out.println(5);
    thread = new Thread(this);
    thread.start();
    System.out.println(6);
  }

  //重载paint函数
  protected void paint(Graphics g) {
    g.setColor(0xffffff);
    g.fillRect(0, 0, width, height);
    g.setColor(0, 0, 0);

    //画菜单背景
    System.out.println(7);
    if(image != null){
          g.drawImage(image, 0, 0, Graphics.LEFT | Graphics.TOP);
    }else{
          System.out.println(9);
    }
    System.out.println(8);
  }

    //线程处理
    public void run() {
      try {

        Thread.sleep(2000);
      }
      catch (Exception e) {}
      //
      //thread = null;
      System.gc();
      if (index == 0) {
        WelcomeCanvas w = new WelcomeCanvas(display, 1);

        if(display == null){
              System.out.println(2222);
        }else{
              display.setCurrent(w);
        }
        image = null;
      }
      else if (index == 1) {
        display.setCurrent(new MenuListCanvas(display));
        image = null;
      }

    }
  }