Questions tagged [null-layout-manager]
236 questions
245
votes
11 answers
How to add JTable in JPanel with null layout?
I want to add JTable into JPanel whose layout is null. JPanel contains other components. I have to add JTable at proper position.
Sagar
- 2,475
- 2
- 15
- 3
16
votes
4 answers
Why is it frowned upon to use a null layout in Swing?
Recently, I started creating a program for the company I work for. Just as background info, I'm still a student and a beginner programmer, so my solution is probably not recommended and I didn't know how to do it otherwise, but it works and I'm not…
Jumbala
- 4,764
- 9
- 45
- 65
16
votes
4 answers
How to set fix size of jlabel?
I am trying to make a java desktop application where I am using multiple JLabel I want to set fix height and width of JLabel. How can I achieve this?
Here is my code
public class Second extends JFrame
{
JPanel panel1,panel2;
JLabel…
user3506824
- 205
- 1
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- 7
11
votes
6 answers
Placing a JLabel at a specific x,y coordinate on a JPanel
I'm trying to place a series of JLabels at specific X and Y coordinates on a JPanel (and set its height and width, too). No matter what I do, each label winds up immediately to the right of the previous label and has the exact same size as all of…
AndroidDev
- 20,466
- 42
- 148
- 239
7
votes
4 answers
suitable LayoutManager for resizable components
sometime ago I read this article that shows a way to implement mouse resizable components in Swing.
The author uses a null LayoutManager in order to allow absolute component positioning.
I know that a null layout should never be used, so my question…
Heisenbug
- 38,762
- 28
- 132
- 190
5
votes
2 answers
JPanel.setSize() not working
Check out this code friends don't know why i am not able to set the size of JPanel...
.
import java.io.*;
import java.util.*;
import java.sql.*;
//import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/*
user528050
- 157
- 2
- 4
- 21
5
votes
3 answers
Use a absolute layout inside a JScrollPane
I need to use a JScrollPane with absolute layoute. I know that the use of setLayout(null) is not recommendable at all. I've been reading that if you want to use the absolute layout with a JScrollPane it is necessary to set the preferred size…
Jonás
- 1,459
- 4
- 27
- 43
4
votes
2 answers
Why isn't my JScrollPane with a JTextArea visible when using null LayoutManager?
I'm trying to display a JTextArea within a JScrollPane, but I just get an empty frame when I run my (simplified) program:
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import…
Ellen Spertus
- 6,576
- 9
- 50
- 101
4
votes
1 answer
Resizing The GUI?
my question is simple but I can not find exact solution for this. I try to write a program with Java GUI, I use absolute layout for my program and I set frame bounds(100, 100, 450, 300) . When I run the program and make it full screen, components…
ozanonurtek
- 306
- 5
- 18
3
votes
4 answers
JButton() only working when mouse hovers
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import javax.imageio.*;
import java.lang.*;
import java.io.*;
import javax.swing.*;
public class MainClass extends Component{
private Image…
H S
- 179
- 4
- 12
3
votes
1 answer
Alternative solution to null layout manager when absolute positioning is needed
Few months ago i read this Swing tutorial http://zetcode.com/tutorials/javaswingtutorial/resizablecomponent/ for understanding how implementing resizable components inside Swing.
The tutorial tells about using a null LayoutManager in order to have…
Heisenbug
- 38,762
- 28
- 132
- 190
3
votes
3 answers
Adjust layout for 3 columns of common components with other components above/below
I am building a simple GUI for a course assignment, but I am not getting the most out of it.
So this is my objective:
And I am getting this (it lacks of some elements like the button):
So the thing is, how do I code my layout to be tighter like in…
fant0me
- 201
- 1
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- 15
3
votes
1 answer
How to change JLabel's size when the font size is changed?
I've a JLabel. The code for JLabel is as follows.
panelmain = new JPanel();
panelmain.setLayout(null);
panelmain.setPreferredSize(new java.awt.Dimension(800, 600));
panelmain.addComponentListener(listen);
panelmain.setBorder(null);
titlebar = new…
Girish
- 213
- 2
- 13
3
votes
1 answer
JPanel disappearing when changing the text of a JButton added to it
I add a JButton to my JPanel subclass Quiz, and if I change either the text or the font of the button, the Quiz object disappears, showing only the panel underneath it. However, if I change the text or font before adding the button, everything works…
frakjocker
- 39
- 1
3
votes
2 answers
Why I lost visual when I add setLayout(null)?
I am trying to build a small monopoly game. Here you can see the part of the code that I am having trouble with.
public class Board extends JPanel {
private ImageIcon image;
private JLabel label;
static Player p1;
static Player p2;
…
Mehr
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