animationcanvas.java

j2me radius soket radius client

package org.gui.com;
import org.httpClient.com.HttpHandler;
import org.httpClient.com.RMStore;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
import javax.microedition.lcdui.*;
public class AnimationCanvas extends Canvas  implements Runnable {
    boolean stopFlag = false;
    private int k =0; 
    private int canW, canH;
    private TextBox next; 
    public int curIndex = 0;
    final static int LEN = 7;
    private Image imgList[];
    private Display display;
    private RMStore cookie;
    private String message = null;
    private HttpClientSetForm setForm;
    private HttpClient hc;
    private String URL;
    public AnimationCanvas(Display display,String URL,RMStore cookie,HttpClient hc) {
    	 this.display = display;
    	 this.cookie = cookie;
    	 this.hc = hc;
    	 this.cookie = cookie;
         loadPic();
         canW =  getWidth();
         canH = getHeight();
         this.URL = URL;
         new Thread(this).start();
    }
    public AnimationCanvas(Display display,HttpClient hc){
    	this.display = display;
    	this.hc = hc;
    	 loadPic();
         canW =  getWidth();
         canH = getHeight();    
         new Thread(this).start();
    }
    public void loadPic(){
    	 try {
             imgList = new Image[7];//LEN
             for (int i=1;i<8;i++) {
                 imgList[i-1] = Image.createImage("/"+ i +".png");              
             }
         } catch (Exception e) {
             System.out.println("Can not load images: " + e);
         }       
    }
    public void run() {
        while(!stopFlag) {
            curIndex ++;
            if (curIndex == LEN-1) {
                //中间有一个明显的停顿
                curIndex = 0;
            }
            try {
                repaint();
                k++;
                if(k*10>this.getWidth())
                {      	
                	stopFlag = true;
                	new HttpHandler(display,URL,null,"get",cookie,hc).start();          	
                }
                Thread.sleep(300);
            } catch (Exception e) {
            }
        }
      
    }
    
    /**
     * 在这个方法中绘制屏幕
     */
    protected void paint(Graphics g) {
        //清除屏幕 - 背景黑色
        g.setColor(0xffffff);
        g.fillRect(0, 0, this.getWidth(), this.getHeight());
        
        //在屏幕的中央绘制动画
        int x, y, w, h;
        if (curIndex>=0 && imgList[curIndex] != null) {
            w = imgList[curIndex].getWidth();
            h = imgList[curIndex].getHeight();
            x = (canW - w) / 2;
            y = (canH - h) / 2;
            g.drawImage(imgList[curIndex], x, y, 
                    Graphics.TOP | Graphics.LEFT);
            
        }
        g.setColor(0xffff);
        g.fillRect(0, this.getHeight()-20, k*10, this.getHeight());
        
    }
    public boolean stop(){
    	return stopFlag;
    }
}