Progress Bars (can't Start And Won't Count Down)

May 5, 2014

I'm trying to get a timer to work to decrease the value of a stats bar (like Hunger Level, Energy Level), but it won't paint the bars in the first place, it won't let me start the timer (the start after t.start() is underlined) and now I'm getting an error that won't let me run it at all without putting public static void main (String [] args), even though adding it anywhere is causing other errors

public void hungerTimer () {
int delay = 300;
int period = 300;
interval = 100;
hungerBar.setValue(100);
hungerBar.repaint();
timer = new Timer();

[Code] .....

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Count Number Of 7s (User Input) - Illegal Start Of Expression

Oct 15, 2014

I'm attempting to create a program that employs a method to count the number of 7s a user puts as an input into the program. I'm just getting started, but I'm getting an error when I try to implement a main method that says "Illegal start of expression"

What adjustments could I make to eliminate this error message?

// Add a main method here.
public static void main(String[] args) {
//Error occurs here
public static int countSevens(int n) {
// 0. Clean-up. Get rid of any minus signs as that is not a digit.
n = Math.abs(n);

[Code] .....

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Swing/AWT/SWT :: Update Progress Of A Process In Progress Bar - Java GUI

Nov 29, 2014

In my Java SWT application, I have few methods, that take longer time to complete. These methods has to be initiate and run as response to button click. There I want to implement progress bar to show the progress/status of long run method. Long run methods are Java Processes, in which it executes some command line functionality. (ex: run ls method in Linux).

Process p = Runtime.getRuntime.exec(command)

In progress bar status is set using setSelection method which takes int as argument. How to indicate the progress of process in progress bar, because I don't have int value to pass into setSelection method of progressbar.

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Swing/AWT/SWT :: How To Make Installer That Will Start Automatically As Soon As Windows Start

Oct 16, 2014

I am new to making an installer so far i have made only one and i used "install creator"

I just make a watch (clock) application and i want when the windows start its also starts automatically except if it is closed by the user

just like widows clock widget.

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How To Activate Scroll Bars On JScrollPane

Apr 21, 2015

I got an application with JScrollPanes; they seem to work fine, but fresh after the start, their scrollbars seem dead:I only begin to see their components after resizing the application window with the mouse.Clicking the scroll bars or their buttons (in Metal Look&Feel) does nothing.And there is no 'knob' visible.Dragging the side or bottom of the application window suddenly shows all and makes them operational.My ComponentListener on the window that contains the scrollpanes only does a repaint on the components inside the scrollpanes.Adding such to the code has no effect, neither does a repaint on the scrollpanes themselves.

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Missing Horizontal Scroll Bars

Dec 24, 2014

I am building a java app and i am wanting to color the 6th 8th and 10th columns differently to make them stand out.

// It creates and displays the table
tableEng = new JTable(buildTableModel(rs));

for(int i=0;i < tableEng.getColumnCount();i++){
packColumn(tableEng,i,5);

[code]....

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GUI Bars - Increment Height By About 10 Pixels

Nov 12, 2014

So I'm trying to make a bar graph, each bar will increment the height by about 10 pixels. To do this, I'm making an array of bars. For some reason, using fillrect I cannot not increase the size more than 10 by 10, if I do, it will only show the 10 by 10. I want the bars to increase in height by 10 each time.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class AssortedAssortmentsOfSorts extends JFrame

[Code] .....

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Using Count Element Method To Count Occurrence Of Characters In Array

Jun 30, 2014

I have an array with the following characters {'E', 'L','E','P','H','A','N','T','P','O'}

now, I need an array that will store the first array such that only the occurence occurs e.g {'E','L','P','H','A','N','T','O'} Notice that the characters 'E' and 'P' occur twice and as a result were not repeated the second time in the new array.

How would one go about this using the counting elements technique?

I tried this but not sure how to use the counting elements technique.

char [] arr = new char{'E', 'L','E','P','H','A','N','T','P','O'};
char[] bucket = new char[(arr[0] * arr.length)];
for (int i = 0; i < len; i++)
bucket[arr[i]]++;

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How To Add Progress Bar To File

Dec 16, 2014

i was uploading file to drop-box using java.But the problem is how can i add progress bar to file upload to drop-box.I didn't use java script for it.I didn't get any of this in drop-box API. my code is.

import com.dropbox.core.*;
import java.io.*;
import java.util.Locale;
public class Main {
public static void main(String[] args) throws IOException, DbxException {
// Get your app key and secret from the Dropbox developers website.
final String APP_KEY = "INSERT_APP_KEY";
final String APP_SECRET = "INSERT_APP_SECRET";

[code]....

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Error In Progress Bar

Oct 1, 2014

I am having a error in progress bar ... I want to see the progress upon checking the sha1 of files

This is the code:

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package program1;
 
//Import packages
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

[Code] .....

This is the error

Exception in thread "Thread-2" java.lang.NullPointerException
at program1.ProgressBar$thread1.run(ProgressBar.java:98)
at java.lang.Thread.run(Thread.java:744)

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Swing/AWT/SWT :: Progress Bar Not Working?

Feb 14, 2014

I'm trying to get a progress bar to work on my GUI.

This is what I have so far, the parameters are taken from another class that takes in an image in packets from a Raspberry Pi and stores them to a file on PC.

public void ImageInfoReceivedHandler(int sizeOfFile) {
progressBar.setMinimum(0);
progressBar.setMaximum(sizeOfFile);
progressBar.setIndeterminate(false);

[Code] .....

The println are printing out the correct values and they are being implemented in the methods, but nothing is happening in the GUI.

I have a thread setup in the GUI when a button is pressed

getImageButton.setText("Timer Started");
transmit = new transferImage(port);
lblImgProcess.setText("Getting Image, Please Wait");
transferThread = new Thread(transmit);
transferThread.start();

So the thread starts and image is then transmitted, does the progress bar need to be in that event handler?

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Getting Progress Of Reading Disk?

Oct 16, 2014

I have this method:

Java Code:

public static void listFiles(String path) {
File[] list = null;
File root = new File( path );
list = root.listFiles();
if (list == null) return;
for (File f : list) {
if (f.isDirectory()) {

[code]....

How would I get the overall progress of reading the directory I give to it, for example, if I give it the root directory of my computer, it would read through ALL my files and folders, and that works fine.But how would I get progress for a progress bar?

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Progress Monitor Not Showing

Mar 27, 2014

I thought that simply constructing a progressmonitor would show the dialog, and wrote the following code.

[Code] ....

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.beans.*;
import java.util.Random;

[Code] ....

But apparently i was wrong and all i get is an empty JFrame and no Dialog. I even added my own subclass of SwingWorker in case a SwingWorker had to be created in order for a progress monitor to exist. How can I make it show?

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Progress Bar When Checking Sha1

Oct 1, 2014

I want a progress bar when checking the sha1 . When getting the sha1 there we see the progress of checking

here is the code

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package program1;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.security.MessageDigest;
import java.util.HashSet;

[Code] ....

This is the output

Exception in thread "Thread-2" java.lang.NullPointerException
at program1.ProgressBar$thread1.run(ProgressBar.java:98)
at java.lang.Thread.run(Thread.java:744)

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Progress Bar Inside Datagrid

Oct 5, 2014

I have a datagrid in which i have to display progress bar with the task completed in %.

For example i have  two fields in a table source count and completion count.

Where source count in 100000 rows and 50000 rows have been inserted.

In another table and status is displayed in the table.

So I need to display in a progress bar that 50% task has been completed.

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Swing/AWT/SWT :: Multiple JFrames - Thread And Progress Bar

Mar 29, 2014

I'm struggling with a small project. I have 2 jFrames. The first frame has a button that...

- Display's the second frame containing a progressbar
- Starts a heavy processing thread

I need to update the progressbar on the second jFrame, from a thread started on the first jFrame.

I have 2 problems:

- How do I update the progressbar?
- When the button is clicked, an empty second frame is displayed with no controls. The controls are only rendered/shown, after the large thread process is finished...

I've attached to this post a small screenshot, showing the main idea ...

Source code:

Button action on the first frame:

private void btnGoActionPerformed(java.awt.event.ActionEvent evt) {
Progress progress = new Progress(); // The second frame
progress.setVisible(true);
clsProcess myProcess = new clsProcess(); // The thread process
myProcess.start();

[Code] ....

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Swing/AWT/SWT :: Progress Bar Dialog Sometimes Doesn't Display Components

Mar 7, 2014

I wish to display a progress bar during a lengthy file translation process. When I created a ProgressBar class to do this and tested it with a short test program, it seemed to work fine. But when I add my ProgressBar class to a package containing various other classes, put that package in a jar file, and then execute the class using the progress bar from a menu in my main program, the frame of the progress bar shows up with the appropriate caption but the JLabel, JProgressBar, and JButton are not displayed. I have gone over my code numerous times and checked that the ProgressBar class constructor is getting the proper arguments.

// package gov.nasa.jpl.ephemeris;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* Progress bar with message text above the bar and a Cancel button below it
*/
public class ProgressBar extends JFrame {
private boolean _cancelled = false;
private JProgressBar _progressBar = null;

[Code] ....

I have also been wondering whether I need a separate instance of the border for each panel, or whether I can just create one instance and use it for all three panels.

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JavaFX 2.0 :: Progress Indicator Doesn't Rotate Anymore (8u20)

Aug 28, 2014

Since the upgrade to JavaFX 8u20 my ProgressIndicator won't rotate anymore when using Caspian style. Is there any workaround for this?
 
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ProgressIndicator;
import javafx.stage.Stage;
public class TestApp2 extends Application {
    public static void main(String[] args) {
    
[Code] ....

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JavaFX 2.0 :: Progress Indicator In ListView Has Border And White Background?

Dec 1, 2014

If I "embed" a ProgressIndicator inside a ListView it has an ugly border and a white background. It looks like there's a TextField below the ProgressIndicator.
 
Why does it behave like that and how to solve it so that the progress indicator is transparent.

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.scene.Scene;
import javafx.scene.control.ListCell;
import javafx.scene.control.ListView;
import javafx.scene.control.ProgressIndicator;

[Code] .....

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How To Start New Thread

Apr 27, 2014

how to start a new thread

public class pracDraw extends JFrame {
private Color red=Color.red;
public int i;
private Color white = Color.white;
JPanel pr=new JPanel();
JTextField t=new JTextField();

[code]....

If u run it you can see that the JTextField (t1) is drawn on the panel along the line but it does so with a gray border. How do i eliminate that grey border and only draw the text field along the line and finally make the text field green after it reaches the end of line?

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Illegal Start Of Expression?

May 4, 2015

package com.example;
import com.example.domain.Admin;
import com.example.domain.Director;

[Code]....

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Method Called At Start?

Nov 24, 2014

So, I have a gameOver() method that should when oval goes out of bounds abort game but, as soon as I start the game it runs the gameOver method. I've been looking over it for a while trying different things. I think what stood out to me is removing the abort sequence the game runs mostly as it should after, popup is closed and that if I replace game.gameOver(); with ya = -1 the ball bounces off the wall.

gameOver()
public void gameOver(){
JOptionPane.showMessageDialog(this, "Game Over", "Game Over", JOptionPane.YES_NO_OPTION);
System.exit(ABORT);

[Code] ....

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Illegal Start Of Expression

Jul 30, 2014

How that's possible

import java.util.*;
public class Stars {
public static void main(String[] args) {

line (13);
line (7);
line (35);

System.out.println();
box(10,3);

[Code] ....

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How To Start A Puzzle Game

Nov 25, 2014

I am trying to make a puzzle game in java.I have made it successfully.But the problem is,when it starts its already solved.I want it to start unsolved so the user can solve it.My code is:

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.ImageIO;
import java.io.*;
class Puzzle extends JFrame implements ActionListener

[code]....

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Illegal Start Of Expression

Aug 20, 2014

I am getting the error "Line 54, illegal start of expression". Line 54 is where my "for" starts. It was running ok earlier, now I can't get this error to go away?

public static void main(String[] args) {
double salary;
double commission;
double totalSales;
double annualComp;
double salesTarget;
double incentive;
double accel;
double incentive1;
double notAccel;
double increment;
 
[code]....

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Illegal Start Of Expression Error?

Mar 17, 2014

Lines 7 , 10 ,13 .... All have a Illegal Start of Expression error.

[color=blue]private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
Random rd = new Random();
int random = 0;
random=rd.nextInt(6)+1;
switch(random){

[Code] ....

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