import javax.microedition.midlet.MIDlet;import javax.microedition.lcdui.*;import javax.microedition.lcdui.game.*;//import java.unit.*;import java.io.*; //简单的动画canvas by sword2008@程序之巢 public class test2 extends MIDlet{ private Display display;  public test2(){   }  public void startApp(){  new test(Display.getDisplay(this)).start();}  public void pauseApp(){ }  public void destroyApp(boolean unkowmn){ }   class test extends GameCanvas implements Runnable{////////////////////////////////////// private Display display; private long frameDelay; private boolean sleeping;// private Random rand; private Sprite ken; private int XSpeed,YSpeed; private TiledLayer backgroundLayer;//////////////////////////////////////int layerMap[]={1,2,3,4,  5,6,7,8,  9,10,11,12,  13,14,15,16};//////////////////////////////////////  public test(Display d){ super(true); display=d;  frameDelay=80;   }//========================================== public void start(){ display.setCurrent(this); XSpeed=YSpeed=0;// rand=new Random(); try{ken= new Sprite(Image.createImage("/ken2.png"),64,58); backgroundLayer=new TiledLayer(4,4,Image.createImage("/0.png"),32,32); } catch(Exception e){System.out.println(e.toString());}//------------------------------------------ sleeping=false;//============================== for(int i=0;i<layerMap.length;i++) {int column=i%4; int row=(i-column)/4; backgroundLayer.setCell(column,row,layerMap[i]); }//============================== Thread t=new Thread(this); t.start();   }//------------------------------------------ public void run(){ Graphics g=getGraphics(); while(!sleeping){ update(); draw(g); try{Thread.sleep(frameDelay);} catch(Exception e){}   }   }private void draw(Graphics g){ g.setColor(0x000000); g.fillRect(0,0,getWidth(),getHeight());// backgroundLayer.paint(g); ken.paint(g); flushGraphics();   }public  void go(){for(int i=0;i<3;i++)  {if(i==1) ken.prevFrame(); else ken.nextFrame();  }}public void update(){//------------------------------------------- int keyState=getKeyStates(); if((keyState&LEFT_PRESSED)!=0) {XSpeed--;go();} if((keyState&RIGHT_PRESSED)!=0) {XSpeed++;go();}//------------------------------------------- ken.move(XSpeed,YSpeed);/* for(int i=0;i<3;i++)  {if(i==1) ken.prevFrame(); else ken.nextFrame(); }*/}  } }

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