Update « JProgressBar « Java Swing Q&A

1. Update JProgressBar from new Thread stackoverflow.com

How can I update the JProgressBar.setValue(int) from another thread? My secondary goal is do it in the least amount of classes possible. Here is the code I have right now:

**Part of the main ...

2. Update JProgressBar stackoverflow.com

I can't update my progressbar... this is my code

Thread t=new Thread(new Runnable(){
        public void run(){
          ...

3. JProgressbar not showing (without threads) stackoverflow.com

i have a program that takes some time creating pdf files i would like to show progress to user when i finish making a pdf file i try to call the progressbar to ...

4. Update progressbar from worker thread stackoverflow.com

I'm building a java program that downloads N elements from a server. I'd like to have a working progress bar, that shows "already downloaded elements"/N percentage. Right now, I update progressbar ...

5. java update progressbar stackoverflow.com

I have a JFrame and following components. JButton = jButton1 Progress Bar = progressBar and its public static JLabel = status and its public static When button clicks then different statements execute. I ...

6. Update JProgressBar Without Knowing Progress stackoverflow.com

I want to use a JProgressBar but I don't have any measurement of progress for how long the task will take to complete. The idea is to have a progress bar ...

7. How to update/paint JProgressBar while Swing is loaded building the GUI stackoverflow.com

I have a GUI which is quite heavy to build/initialize on the platform on which it runs.. Therefore I want to update progress while it initializes.. I have a small undecorated JDialog ...

8. JProgressBar update stackoverflow.com

Could someone help me ? I would be grateful. I've got example code:

....
int sizeFile;
RandomAccessFile raf;
InputStream in; 
int val= 0; 
int downloaded= 0;           ...

9. Wait for Swing to finish updating JProgressBar before continuing stackoverflow.com

I have a JFrame with a CardLayout set as its layout manager. This has two JPanel subclasses in it. One is a panel, WordsLoadingPanel, which displays the text "Loading words..." and ...

10. progressbar in a thread does not update its UI until the work was done in the main thread stackoverflow.com

i am cutting a big file into blocks, and want to display the rate of the progress. when i click startCut Button, here is the code to execute?

FileInputStream in = new FileInputStream(sourceFile);
int ...

11. java: live updating upload progress in TextArea/JProgressBar using JSch SFTP stackoverflow.com

I have two class fils upload.java and transferProgress.java. upload.java makes applet GUI and uploads file to remote SSH server. transferProgress.java class gives transfer percentage. The upload percentage completed can be seen ...

12. Query on Updating of ProgressBar coderanch.com

13. Problem with Updating ProgressBar coderanch.com

14. updating JProgressBar coderanch.com

Hi! I'm trying to update values in a JProgressBar based on user selection but I can't seem to get the updated values to reflect in the progress bar. I looked up past threads and Sun's site, from which I derived that it had to be done using invokeLater(). But it doesn't work still. The value is being updated in the object, ...

15. JProgressBar Does Not Update From Action, DnD, or Cut and Paste coderanch.com

Hi, I can't get the JProgressBar to update correctly. Any ideas? I think it may be a bug? I tested from 1.3.1 to the 1.4.1_02. package test.swing.table; import java.awt.*; import java.awt.datatransfer.*; import java.awt.dnd.*; import java.awt.event.*; import javax.swing.*; public class DnDProgress extends JPanel implements KeyEventDispatcher { private MyDropTarget dropListener = new MyDropTarget(); private BorderLayout borderLayout1 = new BorderLayout(); private static JProgressBar bar ...

16. Help! Problem updating JProgressBar. coderanch.com

Can someone help me here. When I click a button (which then does a number of things including calling the progressBar.setValue( int ) every now and then), the whole thing basically hangs until it's done. Then the progress bar shows 100%. HOWEVER, if I include a call to: JOptionPane.showMessageDialog( ( Component ) null, "mess" ); every time I set the value, ...

17. Updating a JProgressBar from another thread? java-forums.org

I see what you are doing. You have the right code, but the wrong execution of the concept. *Never* update a Component from a thread other than the EDT. You are correct to use invokeLater() to execute code on the EDT. However, the code executed on the EDT should do setValue(), and there is no need to synchronize. You may need ...

18. Updating JProgressBar java-forums.org

19. JProgressBar is not updating even in new Thread ! forums.oracle.com

Thanks everyone for the advice... scphan, u asked me how much time does class Crypt take to finish? This depends on the size of the file. For instance, it takes less than one minute to encrypt a 80 MB file. Big daddy, as u know, SwingWorker has been a part of the jjava platform after JDK 1.5. So, while I'm working ...

20. updating jProgressBar forums.oracle.com

This is a SWAG, but could this be a concurrency problem? Since you're using Swing and you have a time or CPU-intensive process, could it be that this is running on the EDT and preventing your Swing components from updating? If so, then a solution would be to use a background thread (I recommend use of SwingWorker if you are using ...