Progress Bar in Java Swing
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.html.*;
public class SwingProgressBar{
final static int interval = 1000;
int i;
JLabel label;
JProgressBar pb;
Timer timer;
JButton button;
public SwingProgressBar() {
JFrame frame = new JFrame("Swing Progress Bar");
button = new JButton("Start");
button.addActionListener(new ButtonListener());
pb = new JProgressBar(0, 20);
pb.setValue(0);
pb.setStringPainted(true);
label = new JLabel("jebaraj.net");
JPanel panel = new JPanel();
panel.add(button);
panel.add(pb);
JPanel panel1 = new JPanel();
panel1.setLayout(new BorderLayout());
panel1.add(panel, BorderLayout.NORTH);
panel1.add(label, BorderLayout.CENTER);
panel1.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
frame.setContentPane(panel1);
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create a timer.
timer = new Timer(interval, new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if (i == 20){
Toolkit.getDefaultToolkit().beep();
timer.stop();
button.setEnabled(true);
pb.setValue(0);
String str = "<html>" + "<font color=\"#FF0000\">" + "<b>"
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.html.*;
public class SwingProgressBar{
final static int interval = 1000;
int i;
JLabel label;
JProgressBar pb;
Timer timer;
JButton button;
public SwingProgressBar() {
JFrame frame = new JFrame("Swing Progress Bar");
button = new JButton("Start");
button.addActionListener(new ButtonListener());
pb = new JProgressBar(0, 20);
pb.setValue(0);
pb.setStringPainted(true);
label = new JLabel("jebaraj.net");
JPanel panel = new JPanel();
panel.add(button);
panel.add(pb);
JPanel panel1 = new JPanel();
panel1.setLayout(new BorderLayout());
panel1.add(panel, BorderLayout.NORTH);
panel1.add(label, BorderLayout.CENTER);
panel1.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
frame.setContentPane(panel1);
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create a timer.
timer = new Timer(interval, new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if (i == 20){
Toolkit.getDefaultToolkit().beep();
timer.stop();
button.setEnabled(true);
pb.setValue(0);
String str = "<html>" + "<font color=\"#FF0000\">" + "<b>"
+ "Downloading completed." + "</b>" + "</font>" + "</html>";
label.setText(str);
}
i = i + 1;
pb.setValue(i);
}
});
}
class ButtonListener implements ActionListener {
public void actionPerformed(ActionEvent ae) {
button.setEnabled(false);
i = 0;
String str = "<html>" + "<font color=\"#008000\">" + "<b>"
label.setText(str);
}
i = i + 1;
pb.setValue(i);
}
});
}
class ButtonListener implements ActionListener {
public void actionPerformed(ActionEvent ae) {
button.setEnabled(false);
i = 0;
String str = "<html>" + "<font color=\"#008000\">" + "<b>"
+ "Downloading is in process......." + "</b>" + "</font>" + "</html>";
label.setText(str);
timer.start();
}
}
public static void main(String[] args) {
SwingProgressBar spb = new SwingProgressBar();
}
}
output:
label.setText(str);
timer.start();
}
}
public static void main(String[] args) {
SwingProgressBar spb = new SwingProgressBar();
}
}
output:
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