JPanel Not Showing Up In JFrame

Apr 5, 2014

I'm attempting to add a Jpanel in a JFrame but it isn't working out.

import javax.swing.JFrame;
import javax.swing.JPanel;
public class stepone {
public static void main (String[]args){
JFrame frame = new JFrame("CSC LAB 12");
JPanel colorJPanel = new JPanel();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

[code]....

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Feb 21, 2015

In my if statement on line 46 & 47 im trying to add the buttons to the screen if the player has lost and the "game over" screen have popped up. But the buttons aren't showing... what am i doing wrong?

import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

[code]...

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Nov 14, 2014

MyGraphics worked before I added a background but, even now when I take the background away it isn't showing up.

package com.snow.game;
import javax.swing.*;
import java.awt.*;
class MyGraphics extends JComponent { //creating a class for graphics
public void draw(Graphics g){
//calling Graphics making a new graphics (g) now you can use it to make objects
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[Code] ......

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Aug 30, 2014

This is right from a book I'm reading but it doesn't work. The problem is to write an application that lets you determine the integer value returned by the InputEvent method getModifiers() when you click your left, right, or middle mouse button on a JFrame.

This is the code copied directly from the book. What is missing:

import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
public class JLeftOrRight {

[Code] ......

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Sep 4, 2014

my JFrame is not showing anything, (Perhaps test it in your own IDE on your own PCs/laptop)

// Project: RestaurantBillCalculator.java Calculates a table's bill.
 
// Import statements for different classes
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JComboBox;

[code]....

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Apr 9, 2014

I have a Jframe and i want to add inside 4 different jpanel.This is easy.

what is difficult is how can i change them dynamically with 4 other new jpanels and 4 other new jpanels?

I have try with BorderLayout but not working.

It's a wizard like but not the same.

I have a jpanel with jbuttons jpanel with a jtable jpanel with textarea and jpanel with jlabels. All this have to change with other 4 jpanels, where to look?

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Swing/AWT/SWT :: Why Jpanel Is Not Inserted In Jframe

Apr 4, 2014

I pick this code from Head first Java

package GUI;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Graphics;
import java.awt.Color;
public class gui5 {
int x=0;
int y=0;
public static void main(String... x) {

[code]...

but just a Jframe is appearing no Jpanel no green color circle?What is wrong with code

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Swing/AWT/SWT :: Cannot Instantiate JPanel And Add It To JFrame

Mar 27, 2014

I am try to do an application based in multiples JFrames, each one with its particular responsibilities, and use one JPanel as a menu with buttons that connect one JFrame to another, But this menu is instantiated at run in view (layout made by netbeans) the Main Jframe appears with its internal JPanel, but the instantiated JPanel does not appear or does not show it's buttons. (notice only run method in the second class):

JPanel Menu that will be used in all alone JFrames of application:

public class MenuSuperior extends javax.swing.JPanel {
public MenuSuperior() {
initComponents();
} private void initComponents() {

[Code] .....

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Resizing JPanel And JFrame At Same Time

Jan 7, 2015

I am trying to develop a GUI through hard coding. I encountered a challenge:

I created a Jframe and onto this I added a JPanel. I assigned thge flow layout manager of the frame to null(because i want to do the positioning of my components manually)

The program is running perfect except when i click the maximise button of the frame, the JPanel does not change its size.

With Netbeans IDE - i found that the propert is Horizontal Resizable propert. I have tried to look for the method but in vain.

I am trying to develop identical things from hard coding and in drag and drop environment. so with drag and drop its easy but in hard coding how do I work it out?

Here is the code :

public class JPanelDemo {
JFrame frame;
JPanel panel;
JPanelDemo(){
createFrame();

[Code] ....

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Jan 2, 2014

I am trying to put a button (in a container) on a jpanel in a jframe with a background but the container is covering up the background with white color.Below I have an excellent SCCE:

Java Code:

package drawFramePackage;
//drawFramePackage
// Author: Nathan Nelson
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JPanel;
import java.awt.Dimension;
import javax.swing.JFrame;

[code]...

Basically I just need to set the containers background to transparent.

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Apr 4, 2014

I trying to replace original (and empty) JPanel in JFrame with my own made one, components does no appear right, when I pass the mouse first button appears:

MainViewClass:
...
private void initComponents() {
...
MenujPanel = new MenuSuperior();
MenujPanel.setBorder(
BorderFactory.createTitledBorder("Dados Pessoais"));

[Code] .....

Here is the video:

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Jan 29, 2015

I have created a JFrame that contains 3 JPanel.

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Jan 20, 2015

public void paint(Graphics g) {
g.drawImage(Background, bg1.getbX(), bg1.getbY(), this);
for(int i=0;i==400;i+=10){
g.drawImage(block1,fg1.getBlockX(),fg1.getBlockY(),this);
g.drawImage(block2,fg1.getBlockX(),fg1.getBlockY()+10,this);
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}

This is what im dealing with right now. When i click run i only get the background image showing the other two are not showing on the screen.

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Jun 9, 2014

I am making a game in java and i want to make a title screen. What I am trying to do is make a jpanel and load another jpanel when a button is pressed in one of the japenls. Here is the code for the runner

import java.awt.BorderLayout;
import javax.swing.JFrame;
public class Runner extends JFrame {
// Have these set up so they can be seen everywhere
public static final int GAMEWIDTH = 540;
public static final int GAMEHEIGHT = 710;
static boolean loading = false;

[Code] ....

here is the code for the jpanel that loads the other jpanel

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;

[Code] ...

How do load a jpanel when a button is pressed in another jpanel

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Jun 17, 2014

I have a Main() class that extends JPanel and I'm trying to add Card() that also extends JPanel.When I add a Card() or Main() object to the JFrame directly, it works fine. The problem arises when I try to add a Card() object to the Main() object.

I edited the code a little bit to make it easier to read so hopefully it's fine.

Main() code:
public class Main extends JPanel implements Runnable {
// HARDCODED OPTIONS
public static final int WIN_WIDTH = 1200;
public static final int WIN_HEIGHT = 800;

public static final int GRID_X = 9;
public static final int GRID_Y = 5;

[Code] ...

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So I have this line of code...

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Why? I tried everything I googled.

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2) With ref variable of parent always non overridden methods of parent run then it must value of 10 [If i forgot 1st point ]

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I have three classes.. 1. panel class 2. frame class and 3. tester class...I am creating the objects like so but when I add button to panel then panel to frame I am not seeing the button. here is my code

import javax.swing.JButton;
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[code]....

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[Code] ....

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[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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