Using GUI With Buttons And ArrayList
Sep 18, 2014
Right now, i'm trying to do is when a user clicks on my GUI button, it would display a text of information on the button they selected. I'm using an arraylist of objects and i'm trying to input the function inside the mouse click function. But I'm not sure how to properly display that information. Here is my GUI code. I'm working on the raven button. I have animal interface, with a parent class of Bird, and child class of Raven. How I could display this correctly...
public class AnimalJF extends JFrame {
private JPanel contentPane;
private JTextArea textArea = new JTextArea();
/**
* Launch the application.
*/
public static ArrayList<Bird> Birdlist = new ArrayList<Bird>();
public static void main(String[] args) {
Birdlist.add(new Eagle());
[Code] .....
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Feb 28, 2014
I'm trying to create my own arraylist using Collection. My program doesn't do anything. Obviously, I haven't a clue.
import java.util.Collection;
import java.util.Iterator;
public class MyArrayList<T> implements java.util.Collection<T> {
private int size = 4;
private T[] mArray;
public MyArrayList(String[] args) {
[Code] ....
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Dec 22, 2014
I have started to create a calculator using Java SWING. I am new to this and don't know a huge amount. I don't know what to do now.
How do I add actions to the buttons? So when the button is pressed it will appear in the text area?
Where do I put these commands also? Within public void gui?
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
lic class Calc extends JFrame implements ActionListener {
private JButton ZeroButton = new JButton("0");
private JButton OneButton = new JButton("1");
[code]....
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Sep 7, 2014
I am learning out design patterns and doing a little fun project on Model Control View (MCV). I got the concept down, it is pretty simple for the most part. However my buttons are not working.
Here is the code:
public class Controller
{
private Model model;
private View view;
Controller(Model model, View view) {
this.model = model;
this.view = view;
[code]....
It runs but nothing. My other questions is how can I make a box that will print the results.
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May 22, 2014
So I have a Jframe that has a set of functions that act on a node. What I want to do is allow the user to expand the gui by creating new sets (copies) of these functions when they have more nodes.I thought of hiding extra sets and making it appear they are adding them by making them visible.
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Nov 6, 2014
I have made two classes. See below. But in my second class the buttons will not be show if I run the application.
class 1:
package h01;
import java.awt.Color;
import javax.swing.*;
public class kopieer extends JFrame{
public kopieer()
{
JFrame venster = new JFrame();
[code]....
class 2:
package h01;
import javax.swing.*;
import java.awt.event.*;
public class kopieerpanel extends JPanel implements ActionListener
{
private JTextField veld1;
private JTextField veld2;
private JButton actieknop;
[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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Dec 7, 2014
I am attempting to get the x and y coordinate of a matrix of buttons. I have googled my way to failure and read the docs and I think I am traveling of track.
Below is where I create a matrix of buttons via Swing
public class View extends Mybuttons{
private static final long serialVersionUID = 1L;
JFrame frame;
JPanel matrixPanel, optionsPanel;
Mybuttons[][] matrixBtn;
Later in this class:
JPanel matrixPan(){
matrixBtn = new Mybuttons[25][25];
JPanel panel = new JPanel();
panel.setSize(550,550);
panel.setLayout(new GridLayout(25,25));
//creating a 25x25 matrix of buttons
[Code]...
In the controller class I am trying to get the index of each button in the getUnvisitedChildNode method. I need to do this so I can search the buttons around the button passed to it and check if they are been visited yet. Below getUnvisitedChildNode you will be bfs (breadth first search).
private Mybuttons getUnvisitedChildNode(Mybuttons b){
//example of some of the things I have tried
int x= Mybuttons.getComponentAt(b);
int y= Mybuttons.indexOf(b);
int j=0;
return b;
}
[Code]...
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May 5, 2015
I'm just wondering whether it is possible to use images as a button in Java. I have two images that I want to use to create a rollover effect, is this possible? And then I would like to reset my java program when the button is clicked, is this also possible?
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Sep 22, 2014
I'm learning the swing options of Java, and my first exercise was the typical Chat Room. I got everything right: TextField, TextArea, the jpanel at left side and the buttons inside of it. BUT I can't order the 2 buttons (1 north, 1 south). I've already looked for answers, but didn't find anything and I tried to asked the teacher, but she was too lazy to look for the error. Here is my code:
f=new JFrame("Chat Room");
b1=new JButton("Send");
b2=new JButton("Emoticons");
public void showWindow(){
p1=new JPanel();
f.getContentPane().add(p1,BorderLayout.EAST);
p1.add(b1,BorderLayout.NORTH);
p1.add(b2,BorderLayout.SOUTH);
}
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Nov 27, 2014
I am new to swing and I wanted to know how to be able to make a second row of buttons. Right now I have a text pane at the top and at the bottom one row of buttons. But I need to add another row or two of buttons. I've only been coding in Java.
public class TextPane {
public static void main(String[] args) throws IOException
{
/////////////
//I/O FILES//
/////////////
//Create the input file
FileWriter inputFile = new FileWriter("userInputStory.txt");//story user creates with the <nouns>, <verbs>, etc
PrintWriter inputFileWriter = new PrintWriter(inputFile);
[Code] .....
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Sep 26, 2014
I'm writing a temperature converter for class, and I'm done but one piece that I can't wrap my head around.My input scale radiobuttons work fine, but the output scale radiobuttons don't deselect automatically. They're two different button groups and I wrote them identical save for the variable names.
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
[code]....
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Apr 23, 2014
I have a GUI with a menu to do various options. However I want to change that menu to use buttons instead. I'm working with JSwing components and I'm a little familiar with the JButton function, but I don't know how to convert the menu to a button. I think I'll have to remove the menu completely..anyway I tried to start with the file menu but the compiler says no suitable method found for setForeground(javax.swing.JMenu). Why is it giving me an error related to JMenu when I'm using Jbutton objects? Can I not use JButton objects inside a menubar scope? I'll bold the area it highlighted:
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
[Code]...
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Apr 29, 2015
1. BALL
import javax.swing.Timer;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Ball extends JPanel {
private int delay = 10;
private Timer timer = new Timer(delay, new TimerListener());
private int x = 0; private int y = 0;
[Code] ...
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Dec 6, 2014
I did or at least thought I create a matrix of Buttons with values inside of them.
I will show code snippets from different classes:
Made into the view class
for(int i=0; i<25; i++){
for(int j=0;j<25;j++)
[Code].....
My IDE says counter cannot be resolved or is not a field. I understand what it is saying but why not? I try my best not to put a bunch of code on here.
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Feb 10, 2014
I'm trying to make a program with two buttons... when you click the first a label shows a red square when you click the second it shows a green square... right now i have the imageicons as a comment because when they weren't a comment and i ran the program i saw nothing... the same thing happens when i add label2 to panel3.
Java Code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class GUI3{
public static void main(String[] args){
//frame
JFrame frame = new JFrame("Test");
[code]...
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Mar 18, 2015
How can I remove the ActionListener from the buttons of my application after i have got something happen.
Please consider the following application:
Java Code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Exer1218659 extends JFrame {
private String[] textButtons;
private Container contents;
[Code] .....
After the line 37 executes I expect that the ActionHandler (ah) will be removed from all of the buttons but this do not happen, then all the remaining button still responding to the clicks. Where is the problem in my code.
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Apr 29, 2014
I'm having an issue with a swing application I'm working on. Java version is 4 (I know...). I have a main screen panel with multiple sub-panels (rows). Each of these row panels contains an additional 2 sub-panels. One of these 2 sub-panels contains buttons. When 1 button is pressed, I want to disable all of the buttons on-screen (or any other way of blocking user input) until a background event finishes. The row panels do not know about each other.
The first thing I have tried doing is, when a button is pressed, getting the parent. Using the parent I then iterate through its components, and so on until I'm iterating through the buttons. For each button, I am doing a .setEnabled(false); However, this does not work, why. I've also tried wrapping this process in SwingUtilities.invokeLater() out of desperation, but that didn't work either.
What would be the cleanest way to disable all buttons? Or block all user input? I've also tried adding an opaque dialog which hasn't worked. Last resort would be maintaining some sort of button list, but I'd rather not.
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May 18, 2014
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
[Code]....
I am trying to program an A* algorithm and I cannot even get past the buttons. I need a 2D array of buttons to handle this problem but I am getting the following errors.
at java.awt.AWTEventMulticaster.componentShown(AWTEventMulticaster.java:162)
at java.awt.AWTEventMulticaster.componentShown(AWTEventMulticaster.java:162)
at java.awt.AWTEventMulticaster.componentShown(AWTEventMulticaster.java:162)
at java.awt.AWTEventMulticaster.componentShown(AWTEventMulticaster.java:162)
[Code] ....
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Apr 25, 2014
I want a java program
Program must be jframe that contain 2 buttons and a graphic.
Graphic is any thing car or human or any thing and by changing x-axis of of the graphic it will be as if it walk from place to another.
We must use the function timer that change the x-axis after defined time.
The two buttons are one for stop walking and another for resume.
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Dec 4, 2014
package smile;
import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
import javax.swing.JLabel;
import javax.swing.JPanel;
[code]....
I would like to be able to have the smile face frown when I click the frown button, and smile when I click the smile button. I believe I'm on the right track so far. However, if you compile the program you will see there are some errors. I would like ironing these errors out.
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Jul 25, 2014
I would like to have a touchable listview and two image buttons underneath.
Eclipse allows me to do this but I suspect the touchable listview won't work.
public class MainActivity extends ListActivity implements OnClickListener {
.....
But I can't use
insClick.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
.......
}
});
Because the IDE does not like setOnClickListener, OnClickListener and onClick. How to allow a combination of listview and image buttons..
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Nov 17, 2014
/*
* 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.
*/
import javax.swing.*;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.*;
public class IncrementDecrementPanel extends JPanel {
[Code] ....
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Feb 15, 2015
cm2yOUa.jpg
Write a piece of code that would change something in the one of the buttons created using the loop? I have spent few hours reading about the arrays, different methods and can't think or apply a working solution.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class C2loops extends JFrame implements ActionListener {
private JButton jBTile, jBClicker;
private JPanel jPLeft, jPRight;
[Code] ....
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Sep 26, 2014
I am thinking of creating a quiz application and facing one problem.
On first question I don`t have to show previous button and on last question I don`t have to show next button.And for in between question I have to show both the buttons.
.
How can I do that in a JSP page.
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Dec 15, 2014
I am trying to create a JFrame where I have two radio buttons (choose one room or two rooms), but they need to be mutually exclusive. I know there is a lot missing from my code, but I'm trying to work through one issue at a time
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class JCottageFrame extends JFrame //implements ActionListener
{
final int ONE_ROOM = 600;
final int TWO_ROOMS = 850;
final int ROWBOAT = 60;
int price;
[code]....
I believe the errors are because I am trying to add the radio buttons to the button group and making them mutually exclusive, but I'm struggling to follow the textbook on how to properly do this. When I remove the two lines of code that are causing the errors, my code compiles and the JFrame shows correctly. The only issue is that it is allowing me to select "One room" and "Two rooms" at the same time.
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