3,671 Topics
Hi everybody. I'm trying to display web page that located in my computer or just (google web page). But everytime I'mgetting nullpointer exception. Please help me to figure out the problem. here is the absolute path that I'm using: [CODE]serg@serg-PORTEGE-Z835:~$ find $PWD -type f -name test1.html /home/serg/Projects/java/GUI/src/its/TestData/test1.html [/CODE] But the …
Hey everyone, I'm trying to make a button have an image, it used to work but for some reason, now it doesn't. This is the error: [COLOR="Red"]Exception in thread "main" java.lang.NullPointerException at javax.swing.ImageIcon.<init>(Unknown Source) at Main.createImageIcon(Main.java:109) at Main.<init>(Main.java:82) at Main.main(Main.java:103) [/COLOR] I see that the error is the: [CODE]ImageIcon NewFileIcon …
How did you learn Java? I just watched the basic and intermediary video tutorials from thenewboston.com and I'm still not 100 percent. I've moved onto the android application development tutorials which deals with a lot of java, and I still don't totally understand it. It started off with a bunch …
Hi, I am porting Delphi project to WPF. I was using SDL Delphi Component Suite from [url]www.lohninger.com[/url][^] (Math pack & Gui Pack) for the engineering drawing graphs in Delphi. Math Pack - [url]http://www.lohninger.com/mathpack.html[/url][^] GUI Pack - [url]http://www.lohninger.com/guipack.html[/url][^] Can anyone suggest similar libraries in WPF environment?? Any suggestions will be highly …
Hi, I am porting Delphi project to WPF. I was using SDL Delphi Component Suite from [url]www.lohninger.com[/url][^] (Math pack & Gui Pack) for the engineering drawing graphs in Delphi. Math Pack - [url]http://www.lohninger.com/mathpack.html[/url][^] GUI Pack - [url]http://www.lohninger.com/guipack.html[/url][^] Can anyone suggest similar libraries in WPF environment?? Any suggestions will be highly …
Hi guys, i have a tricky problem with this wxgtk gui and thread nesting. As you can see i'm trying to collect data through a buffer ( self.data= dict() ) through the main gui. I need to get the data from the ComboBox and the three textfields then i need …
hi there, i have a simple code of voice chat found it in Java Developer Solutions [URL="http://javasolution.blogspot.com/2007/04/voice-chat-using-java.html"]http://javasolution.blogspot.com/2007/04/voice-chat-using-java.html[/URL] i tried to add simple GUi consists of a text where i can enter the server ip and a button click it to connect (calls CaptureAudio()) but when i try to use this …
Hi I am working on Linux and I am trying to create a GUI app to go with my executable I have made. For some reason it unexpectedly ends. There is no error message, it just says in the Qt console window it unexpectedly ended with exit code 0. Can …
I'm working on a music player and I want to make it so that if I'm playing a song and I click on another song in the list the first song stops before I hit play on the second one, without having to manually stop the first. So just the …
Here is my assignment: > Here is your assignment: You work for a Landscape architect. They have asked you to be a part of their team as they need a computer programmer, analyst, and designer to aid them in calculating engineering specification. Specifically, you have been assigned to the Pools, …
Hi, I'm trying to make a menu and when you click on one of the JButtons, it'll go from my first class's GUI to my second class's GUI. But when I run the program, and I press the button algorithm, it changes to a blank screen, and not to the …
Hi everybody! Help me plz to figure out obe little thing. so imagine little window with 4 buttons and a JLable. I want to ask how to add JLable to the panel and not give it a Grid Layout. I mean that I want my JLable be under 4 buttons. …
Hi guys, still Noob here, so i apologize for not using the correct terminology. I will be as detailed and accurate as possible! I've been using QT Designer, and been trying to figure out how to "combine" the GUI ive created with the python script I wrote before making a …
The program has no errors and when ran will show the logo, buttons but not the inventory data. I have been working on figuring out why it will not display the cd information with no luck. Could use some fresh eyes to look at this and help me figure out …
The objective is to have the user guess the letters of a word which has to be the name of an object that can be seen. The user is presented with an array of 26 buttons corresponding to the 26 letters of the alphabet. Additionally the user is presented with …
Hi everyone, In my simple GUI, I have a part where I use JFileChooser to let user browse for a file. The problem is that when browsing for that file, in order to open a sub folder, user has always to double click that the main folder to open the …
Hi everyone, I want to create a simple GUI that prompts user to browse for a text file, read in that file and display them in the GUI as a list. Then it should allow user to select from that list. Once an element is selected, there should be a …
i got problem when i clicl the checkbox 0r radiobutton..when i compile there is no error..and also how can i put the background image at my gui??hope you guys can help me.. import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.text.*; import java.text.DecimalFormat; import javax.swing.border.*; import java.awt.GridLayout; import java.awt.FlowLayout; import java.awt.BorderLayout; …
I have an image processing project using c++ language. I have also linked opencv to integrate some optimized algorithms.However, I would like to create a nice GUI using Visual C#. Is it possible to call a certain program in c++ in visual c#. (P.S. I have no idea about dll, …
I'm having some problems when trying to set a panel within my JFrame to visible when someone either presses enter or clicks the JButton within my two methods shown in previous post. I am getting the following error: Cannot make a static reference to the non-static field Interface.panel. The code …
Ok - so I have an object "A" that has a value (for the sake of example here, it's initialized to 0). I'm making a GUI and I've created a panel that is supposed to display the amount from object "A" in a label which shows up on the screen. …
I need to use a GUI for a program (with a main, superclass and subclass) that I've already written (am quite proud of actually. LOL). I'm super new at this so I want to keep it simple and just display the output of my program (an array of inventory objects) …
Hi guys, converting .ui to .py to .exe using Qt Designer (PyQt4), Python 2.7, and py2exe Ive been able to do this with Tkinter gui's but having problems with gui's from Qt Designer? First error was due to missing msvcp90.dll which ive downloaded and copied into the python dll directory, …
Just wondering if it is worth taking the time to learn the GUI packages, or do most developers use GUI designers? I am guessing the GUI designers are more often used by hobbyist, while the professional developers write the code?
I have been searching high and low to find something remotely close to what I am trying to accomplish and have failed, miserably. I have read Oracle and tutorials, but have a hard time comprehending everything related to java. It is all so confusing. I would just be grateful for …
I am having a problem with setting JButtons so the are not opaque to i can see the image behind them. I also have a JTextfield and here it is working, I dont know what i am doing wrong, I'm creating a gui for the mainmenu of my game. here …
Hello All, I'm in the process of making a GUI for a search engine, I have never coded a GUI before so just experimenting with user input in Textfields and also the use of ActionListeners and i'm having a slight problem. My code can pick up what the user has …
I have looked this up and cant seem to find a solution. Nothing I can find will work with my code. I really need help because i am doing this for a class project and nothing will work. Heres what i'm trying to get it to work with. [CODE] import …
Hi Everyone, I need some help in Tcl Tk Gui Application Development. In that GUI i need 2 drop down lists 1) Subject : , so here a list of subjects will be present 2) Assignment : , So here depending upon the subject again a list of assignments related …
Hello, So I've got trouble with a program I'm working on. The program is supposed to register studends and teachers to a register, and when I close it, I want to save all data with DataInputStream/DataOutputStream. So when I open the program, I want to see what I've registered. It's …
Im working on a Search index that searches through files that you manually add to the index, I'm having trouble with my GUI right now. Never used any java IDE before and its giving some unfamiliar suggestions. Netbeans wanted to make my main class abstract (but for no reason stopped) …
Hi, I'm working on a project and I am stuck on the AccountTest.java right at where the program is supposed to process the transaction-code within a while-loop. Below is the pseudocode for that was written for this particular assignment. This is my first post so I hope that I've formated …
i m working on a project and i want to implement a java code such that if user enters a number say 5 then after submitting on the next frame 5 textboxes should be displayed?? please help me!!
I know alot of you guys get the same posts over and over about intro JavaII Classes, but I have tried to refrain from asking something that has already been solved and try learning on my own, but Im stumped. Im having trouble with this program, specifically at my calculation …
Hello, I'm a python beginner and glad I joined this forum :). I'm wanting to make a simple program where the window is hidden for x seconds/minutes and is then shown again. My problem is that using time.sleep() causes the Hide() function to not run until after time.sleep() is complete. …
GUIdancer 3.2, the latest version of flagship automated GUI testing tool from Bredex, now "officially" supports Windows 7 and Vista, and includes additional enhancements to its library of pre-built test actions. It began shipping on Nov. 3. Before you decide that US$5785 is too much to pay for an automated …
Can anyone assist me with the GUI for this program. I have tried several times will little luck. Here is the source code. Any help would be greatly appreciated. [CODE]import java.text.DecimalFormat; import javax.swing.JFrame; public class Inventory1 { public static void main(String[] args) { // Information on the Cds used Cd …
Hi all, I'm in my 2nd year of software development (doing C#) and having come from a Java background, and having programmed a few GUI's in C#/Visual Studio's; I was wondering... Like in Java You can use an IDE to build a GUI, however you can also simply add Frames, …
What is the difference between standard, int main(int nargs,....); and [CODE]int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nShowCmd ); [/CODE] I am making a cross-platform program, for windows and linux, and until this point, I used main, without WinMain, for windows and linux. My app calls windows …
I have a simple program with a potential complicated output (see below). I am asked to make a simple for loop that displays results in GUI. Can I do this without with showmessagedialog instead of doing a JTextbox/label ect? I need this: sample gui output: After year 1 $11000 After …
I need a custom dialog. I've been playing around for hours trying to create one and simply don't get it! All I need is the standard wx.TextEntryDialog but with 2 text fields. Can anyone please help? Thanks.
Im planning on creating a program that stores & retrieves data (names and addr. 4 now)which lang will do this (gui too) and will give room to make d program more complex (as i get better)i already know a little java and python your suggestions,advise will be appreciated(ive got roughly …
Hi , In my application I have to implement Tooltip for Link Button. When mouse hover on link button , I should get a Tooltip. It can be a Telerik ToolTip as well. Please help me with this concept. I need step by step process for implementing this. Regards.
Hi, I noticed many programmers accuse C++ as very hard language for GUI and very good language for the code. Is there any way to integrate 2 languages, C++ and any other language which is easy to make GUI with? Thanks.
I'm noob at GUI Swing. I have 2 questions. 1)I'm trying to implement a program that reads a text file, so I can use it to add multiple tabs to the program based on the amount of data in the text file. For example, text file have 3 names. I …
i have a db that stores film and film reviews and using php i have created a system where the user can search for a review and then a list of reviews appear, i want to create a button with each review so that when selected the individual review can …
Hey can anyone help me out with this code? Im am really stuck and need to complete it for my engineering degree but none of lecturers have any coding knowledge so im really in trouble. I have a GUI and in the GUI is 3 comboboxes with different options. Depending …
I'm going to ask a very general question, I'll apologize now. I have no idea what to ask or where to start when building a Database Application. I'm using windows xp and do have office 2002 but don't want to use microsoft access. I want it to run on a …
I am having problems with a GUI I'm working on. The idea is to have a tree list of signals and be able to drag them onto the plot. Eventually having a long list of signals and multiple plots etc.. However the code segmentation faults after a seemingly random number …
Hi I've been playing for a while with WxRuby and I just acn make the TreeCtrl event evt_tree_expanded or evt_tree_expanding please help me here is the code mi problem its at line 46: [CODE]require 'wx' include Wx class MyFrame < Frame def initialize super(nil, :title => "prueba" ) @my_panel = …
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