JProgressBar With Timer In Java

Chapter: Swing Last Updated: 05-10-2016 16:37:20 UTC

Program:

            /* ............... START ............... */
                
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JProgressBar;
import javax.swing.Timer;

public class JavaJProgressBarWithTimer {

	public static void main(String[] args) {
		final Timer timer;
		final JProgressBar progressBar = new JProgressBar();
		final JButton button = new JButton("Start");
		JFrame f = new JFrame();
		f.setLayout(new FlowLayout());
		f.add(progressBar);
		f.add(button);

		ActionListener updateProBar = new ActionListener() {
			public void actionPerformed(ActionEvent actionEvent) {
				int val = progressBar.getValue();
				if (val >= 100) {
					// timer.stop();
					button.setText("End");
					return;
				}
				progressBar.setValue(++val);
			}
		};
		timer = new Timer(50, updateProBar);
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (timer.isRunning()) {
					timer.stop();
					button.setText("Start");
				} else if (button.getText() != "End") {
					timer.start();
					button.setText("Stop");
				}
			}
		});
		f.pack();
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		f.setResizable(false);
		f.setLocationRelativeTo(null);
		f.setVisible(true);
	}
}
                /* ............... END ............... */
        

Output


JProgressBar With Timer In Java

Tags

JProgressBar With Timer, Swing, Java

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