/* *http://blog.programfan.com/blog.asp?author=qq14923349 *程序之巢制作 @J2ME计时器@ *如果有图片 *图片存在rec目录下，记得在存之前把格式转换成png,具体方法是: 1,点击开始 2,附件 3,图画板 4,打开图片 5,另存为(可以存作ＰＮＧ了，不要直接改后续名，否则运行不了) 6,其他工具，可以选用ＰＳ，或者ACDSEE等等改 */ import javax.microedition.midlet.MIDlet;import javax.microedition.lcdui.*;import javax.microedition.lcdui.game.GameCanvas;import javax.microedition.lcdui.game.*;import java.util.*; public class Hourmeter extends MIDlet{   public void startApp(){  new Count(Display.getDisplay(this)).start();         }  public void pauseApp(){}  public void destroyApp(boolean e){}  class Count extends GameCanvas implements Runnable{  private Display display; private Random rand; private boolean Runonce=true; private int hour,minute,second;//当前时间 private int X,Y=60;//移动框 private int sign=1;//当前第几个框 private boolean once=true;//第一次画屏 private Calendar calendar; private boolean down3=false;//第三个框给按下  public Count(Display d){  super(true);  display=d;  display.setCurrent(this);         }    private void start(){ try{ rand=new Random();     } catch(Exception e){     }  Thread t=new Thread(this); t.start();        }    public void run(){ Graphics g=getGraphics();  while(Runonce){ update();  timeCount();  g=timeRect();  draw(g);    try{ Thread.sleep(100);     } catch(Exception e){}     }    }  private void update() {   int keyState=getKeyStates();  if((keyState&LEFT_PRESSED)!=0) {  } else if((keyState&RIGHT_PRESSED)!=0) {  } if((keyState&FIRE_PRESSED)!=0) { switch(sign) { case 1:System.out.println("你选择了1");break; case 2:System.out.println("你选择了2");break; case 3:introductory();down3=!down3;break; default:; }  } if((keyState&UP_PRESSED)!=0) { Graphics g=getGraphics(); g.setColor(0xff0000); g.fillRect(0,Y,60,20);  if(Y==60)  {draw(g);   } else { Y-=20; sign-=1; System.out.println(sign); draw(g); } } if((keyState&DOWN_PRESSED)!=0) { Graphics g=getGraphics(); g.setColor(0xff0000); g.fillRect(0,Y,60,20);  if(Y==100) draw(g); else{ Y+=20; sign+=1; System.out.println(sign); draw(g);     } }  }//-------------------------------- private void timeCount(){ calendar=Calendar.getInstance(TimeZone.getTimeZone("GMT+08:00")); hour=calendar.get(Calendar.HOUR_OF_DAY); minute=calendar.get(Calendar.MINUTE); second=calendar.get(Calendar.SECOND);     }//-------------------------------- private Graphics timeRect(){ Graphics g=getGraphics();  g.setColor(0x008800); g.fillRect(0,60,60,60); g.setColor(0x000000); g.drawRect(0,60,60,20); g.drawRect(0,60,60,40); g.drawRect(0,60,60,60);  g.setColor(0x0000ff);    g.drawString("  计时开始",0,60,Graphics.TOP|Graphics.LEFT); g.drawString("  计时停止",0,80,Graphics.TOP|Graphics.LEFT); g.drawString("  关    于",0,100,Graphics.TOP|Graphics.LEFT);  if(down3==true) introductory();  return g;               } //-------------------------------- private void introductory(){  Graphics g=getGraphics();  g.setFont(Font.getFont(Font.FACE_SYSTEM,Font.STYLE_PLAIN,Font.SIZE_SMALL)); g.setColor(0x00ff00); g.drawString("本程序由剑2008制作",20,60,Graphics.TOP|Graphics.LEFT); g.drawString("qq14923349",20,80,Graphics.TOP|Graphics.LEFT);  g.drawString("v1.0版本",20,100,Graphics.TOP|Graphics.LEFT);        }//-------------------------------- private void draw(Graphics g){   if(once==true){ g.setColor(0xffffff); g.fillRect(0,0,getWidth(),getHeight());   g.setColor(0x000000); g.drawString("@J2ME计时器@",20,20,Graphics.TOP|Graphics.LEFT); g.drawString(""+hour+" : "+minute+" : "+second,10,40,Graphics.TOP|Graphics.LEFT); once=false;  } else {g.setColor(0xffffff); g.fillRect(10,40,120,20); g.setColor(0x000000); g.drawString("@J2ME计时器@",20,20,Graphics.TOP|Graphics.LEFT);  g.drawString(""+hour+" : "+minute+" : "+second,10,40,Graphics.TOP|Graphics.LEFT); }   flushGraphics();         }                 } }  

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