Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.MediaTracker;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Main extends JPanel implements ActionListener {
    ImageIcon images[];
    int totalImages = 30, currentImage = 0, animationDelay = 50;
    Timer animationTimer;

    public Main() {
        images = new ImageIcon[totalImages];
        for (int i = 0; i < images.length; ++i)
            images[i] = new ImageIcon("images/java" + i + ".gif");
        startAnimation();
    }

    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        if (images[currentImage].getImageLoadStatus() == MediaTracker.COMPLETE) {
            images[currentImage].paintIcon(this, g, 0, 0);
            currentImage = (currentImage + 1) % totalImages;
        }
    }

    public void actionPerformed(ActionEvent e) {
        repaint();
    }

    public void startAnimation() {
        if (animationTimer == null) {
            currentImage = 0;
            animationTimer = new Timer(animationDelay, this);
            animationTimer.start();
        } else if (!animationTimer.isRunning())
            animationTimer.restart();
    }

    public void stopAnimation() {
        animationTimer.stop();
    }

    public static void main(String args[]) {
        Main anim = new Main();
        JFrame app = new JFrame("Animator test");
        app.add(anim, BorderLayout.CENTER);
        app.setSize(300, 300);
        app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        app.setSize(anim.getPreferredSize().width + 10, anim.getPreferredSize().height + 30);
    }
}