All Questions
16
questions
0
votes
1
answer
374
views
JPanel inside JFrame doesn't show content sometimes. Why?
I managed to fix it but I don't understand why the same code results in different results. Some classmates have had the same problem.
The issue is that it I use miVentana.setVisible(true); before ...
0
votes
1
answer
46
views
Calling JFrame from separate class
I am using Intellij IDEA 2017. I am learning how to use JFrames, and am trying to create a basic GUI.
I am trying to create two JFrames in separate classes, and call them from the Main class.
What I ...
0
votes
3
answers
41
views
Jframe suddently not visible anymore
I was building a musicplayer. Everything worked out perfect. But when I tried to add a JList to my second JPanel it all failed.. The file compiles and does run the program in command prompt.. I think.....
- 43
0
votes
1
answer
47
views
JFrame error actionperformed
I want to set the visibility of frame 2 to false, but whenever I do that, I get an error. I read something about this and it said that I needed to make my method I private method, but I can't do that ...
1
vote
1
answer
336
views
JPanel isn't visible in JFrame
I Know these kind of question have been asked but i couldn't find any solution to my problem.
I'm trying to paint some animation in my JPanel, which will be in a JFrame. The JPanel isn't visible, the ...
- 644
0
votes
1
answer
72
views
JTextFields don't show up, but they're still there. (the first one is "bugily" visible)
It worked an hour ago, but I must have done something to the code and I have no idea what. My JTextFields don't show up, but if I set them to editable, they're still there. The first JTextField does ...
- 117
1
vote
1
answer
19
views
get onVisibilityChangeActionListener
How can I call some method after frame visibility changed to true?
frame.setVisible(true);
My application has 2 frames. if I open second frame main frame hided. After closing second frame main frame ...
- 685
0
votes
4
answers
1k
views
JFrame and visibility: issue with fading out and getting a screenshot
In an action (i.e. a method) executed by pressing a button deployed into a JFrame, I want to hide the java app and then to get a screenshot. Finally, once the screenshot is taken, I need to make the ...
- 13.4k
1
vote
1
answer
968
views
The Contents Of JFrame Are Not Shown
I am using the frame for Showing messages but contents of the frame are not displayed.
Below is the code for my MessageBox frame.
public class MessageBox extends javax.swing.JFrame {
/**
* ...
- 1,006
0
votes
3
answers
3k
views
Prevent Multiple Instances of Java Frame
The application that I am working on involves frames that are created from a JPanel based upon what the user selects. I am trying to prevent a user from launching multiple instances of the same frame ...
- 4,497
0
votes
1
answer
6k
views
How to set the previous jframe visible when current jframe is disposed
I am making a Java gui project and it consists of two frames.
The problem is that when I call the secondframe from the firstframe, I have set it such that the firstframe visibility is set to false. ...
- 1,724
3
votes
2
answers
3k
views
Bringing borderless swing window to front
I have a swing program which creates a fullscreen borderless window -- I am running on Windows 7. I need the program to be able to focus and bring itself to the front. However, when I attempt to use ...
- 91
0
votes
3
answers
182
views
How to change visibility of ALL items in a JFrame at once?
I wonder whether there is a possiblity to change the visibility of more than one item (textbox, button, chart ...) in a JFrame in one simple(?) command.
Thanks for answers and ideas!
(Hiding the ...
- 1,181
3
votes
3
answers
6k
views
Why are my panels not showing up in the JFrame
public class InputPanel extends JPanel{
public static int shapeType; //1: Rectangle; 2: Oval; 3: Line
public static boolean isFilled; //whether or not the shape is filled
public static ...
- 31
0
votes
0
answers
455
views
Why a JFrame would not show in a netbeans application context?
I'm developing an application over the Netbeans API and I need to show a JFrame object. I have already designed this frame in an independent Swing application and it seems to work fine but when I want ...
- 1,119