# Java Swing Boot Animation Simulation
Here's a Java Swing application that simulates a computer booting process with a graphical boot screen:
```java
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class BootAnimation extends JFrame {
private JLabel bootLabel;
private JProgressBar progressBar;
private Timer timer;
private int progressValue = 0;
private String[] bootMessages = {
"Initializing hardware...",
"Loading BIOS...",
"Checking memory...",
"Detecting storage devices...",
"Loading operating system...",
"Starting services...",
"Preparing desktop environment...",
"Boot complete!"
};
private int currentMessageIndex = 0;
public BootAnimation() {
setTitle("System Boot Simulation");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setUndecorated(true); // Remove window decorations for full-screen effect
setExtendedState(JFrame.MAXIMIZED_BOTH); // Start maximized
// Set black background
getContentPane().setBackground(Color.BLACK);
setLayout(new BorderLayout());
// Boot label with white text
bootLabel = new JLabel("", SwingConstants.CENTER);
bootLabel.setForeground(Color.WHITE);
bootLabel.setFont(new Font("Monospaced", Font.PLAIN, 24));
add(bootLabel, BorderLayout.CENTER);
// Progress bar at bottom
progressBar = new JProgressBar(0, 100);
progressBar.setStringPainted(true);
progressBar.setForeground(Color.GREEN);
progressBar.setBackground(Color.BLACK);
progressBar.setFont(new Font("Monospaced", Font.PLAIN, 14));
add(progressBar, BorderLayout.SOUTH);
// Create timer for boot animation
timer = new Timer(1000, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
updateBootProgress();
}
});
}
private void updateBootProgress() {
if (currentMessageIndex < bootMessages.length) {
bootLabel.setText(bootMessages[currentMessageIndex]);
currentMessageIndex++;
}
progressValue += 10 + (int)(Math.random() * 5); // Random increment
if (progressValue > 100) progressValue = 100;
progressBar.setValue(progressValue);
progressBar.setString(progressValue + "%");
if (progressValue >= 100) {
timer.stop();
// After boot completes, show desktop or close after delay
Timer closeTimer = new Timer(2000, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose();
// Here you would launch your main application
new DesktopEnvironment().setVisible(true);
}
});
closeTimer.setRepeats(false);
closeTimer.start();
}
}
public void startBooting() {
timer.start();
setVisible(true);
}
// Simple desktop environment that would show after boot
static class DesktopEnvironment extends JFrame {
public DesktopEnvironment() {
setTitle("Desktop Environment");
setSize(800, 600);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JLabel desktopLabel = new JLabel("Desktop Environment Loaded", SwingConstants.CENTER);
desktopLabel.setFont(new Font("Arial", Font.BOLD, 24));
add(desktopLabel);
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new BootAnimation().startBooting();
}
});
}
}
```
## Features of this Boot Animation:
1. **Full-screen boot screen** with black background (like real BIOS screens)
2. **Progressively displayed boot messages** that simulate different boot stages
3. **Animated progress bar** that shows boot completion percentage
4. **Automatic transition** to a "desktop environment" after boot completes
5. **Monospaced font** for authentic computer terminal look
## How to Enhance This Further:
1. **Add BIOS logo** at the beginning:
```java
// Add this to the constructor
JLabel logoLabel = new JLabel(new ImageIcon("bios_logo.png"));
add(logoLabel, BorderLayout.NORTH);
```
2. **Add POST beep sound**:
```java
Toolkit.getDefaultToolkit().beep(); // Add this at appropriate places
```
3. **More realistic timing** with varying delays between steps:
```java
// Replace the timer with variable delays
Timer messageTimer = new Timer(0, new ActionListener() {
private int[] delays = {1500, 1200, 800, 2000, 2500, 1800, 1200, 1000};
// ...
});
```
4. **Add hardware detection details**:
```java
String[][] detailedMessages = {
{"CPU: Intel Core i7-9700K @ 3.60GHz", "Memory: 32768MB OK"},
// ... more hardware info
};
```
5. **Make it interactive** (press ESC to enter BIOS setup):
```java
getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "enterBIOS");
getRootPane().getActionMap().put("enterBIOS", new AbstractAction() {
public void actionPerformed(ActionEvent e) {
showBiosSetup();
}
});
```
Would you like me to explain any part in more detail or add any specific features to this boot animation?
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