Animation With PNG Files

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class GIFDemo extends MIDlet {

private boolean boolMotion=false;
private int iX=10,iY=60;

Display mDisplay;
Thread th;

public void destroyApp(boolean unconditional){}

public void pauseApp() {}

public void startApp() {
mDisplay = Display.getDisplay(this);

final MyCanvas can = new MyCanvas();

mDisplay.setCurrent(can);
}

}

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class MyCanvas extends Canvas implements Runnable {
Image img[]=new Image[3];
public MyCanvas() {
try {
img[0]=Image.createImage("/img1.png");
img[1]=Image.createImage("/img2.png");
img[2]=Image.createImage("/img3.png");

}catch(Exception e){}

Thread th=new Thread(this);
th.start();

}

//Display GIF image
public void paint(Graphics g) {
g.drawImage(img[imgIndex],0,0,g.TOP|g.LEFT);
}

//Handling keyEvents
protected void keyPressed(int keyCode) {

}

public void run() {
while(true) {
imgIndex++;
imgIndex%=3;
try {
Thread.sleep(500);
}catch(Exception e){}
}
}

}