How to add a new JButton in JFrame every time a button is clicked.
In simple words when a button is pressed in JFrame an other button with some specific location is created automatically.
I have created a gui which accepts username in the text field and once clicking on submit button it fetches user details and throws it on gui via JTable.
But when i click submit for the second time using different username the background process goes well and good the vector that i pass to jtable changes with new data but the values in gui still contain the old data.
Is it possible to go from one method to another when a jbutton is clicked?
View Replies View RelatedI have two classes one is called main.java another is called Gui.java
in gui.java, will create a JFrame and some component.here is some code in main.java.
Java Code:
public static void main(String[] args){
while(true)//will always loop once user close the window
Gui gui = new Gui();
gui.setVisible();
if()//at here need to determine button in Gui.java is press or not to process the user input
{
String fromUser = gui.Jusertxt.getText();
}
} mh_sh_highlight_all('java');
what is the code need to use to know Button in Gui.java is clicked or not? i try use method to return true value, but in not working.
The gist of it is to create a very basic memory game. There are 12 buttons, each associated with an icon. Every button that you click will display the icon and will stay there until clicked again. I got the bulk of it taken care of, but my issue lies with switching the icons back and forth. I can get them to display one at a time, but when I click on a new button, all the icons except the button I just clicked don't display. Essentially, only one shows up at a time.
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.SwingConstants;
[code]....
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.ImageIcon;
[Code] .....
I want the Jbutton Button1 icon to change when i click it howerer i am getting the error can not find symbol for the code in the actionPerformrd method.
I have a JButton with a .PNG icon on it. I want to get that button click in actionPerformed Method but Jbutton have no Label... How i will know that which button clicked?
View Replies View RelatedThis is an old project that I had working probably 2 years ago. Since I reopened it the only thing I have changed is the database location. This is a very basic project I did to dip my toes in to Java. I'm going to add it to my portfolio but just to clarify I am not a Java developer so this is mainly there to show that I am not completely blind when it comes to Java.
//Import libraries
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.KeyEvent;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.sql.Connection;
import java.sql.DriverManager;
[Code]...
Errors when I click the button that launches the JFrame:
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 6 >= 6
at java.util.Vector.elementAt(Unknown Source)
at javax.swing.table.DefaultTableModel.getValueAt(Unknown Source)
at javax.swing.JTable.getValueAt(Unknown Source)
at javax.swing.JTable.prepareRenderer(Unknown Source)
at javax.swing.plaf.basic.BasicTableUI.paintCell(Unknown Source)
[Code]...
It will launch the window but it will be blank. If I resize the window it will show me the headers. If I click below the headers were the data should be, it will show me the data.
Since it has been so long the only thing I can think of is some of the code has become antiquated. As I said, this was working originally. I just fired it up again to take some screenshots for my portfolio.
im trying to play a sound when button is clicked. here is the following code
InputStream in;
try {
in = new FileInputStream(new File("failure1.wav"));
AudioStream audios = new AudioStream(in);
AudioPlayer.player.start(audios);
} catch (Exception e) {
}
just wondering why it does load;
i do get the warning
warning: AudioStream is internal proprietary API and may be removed in a future release
AudioStream audios = new AudioStream(in);
warning: AudioStream is internal proprietary API and may be removed in a future release
AudioStream audios = new AudioStream(in);
warning: AudioPlayer is internal proprietary API and may be removed in a future release
AudioPlayer.player.start(audios);
What are a couple of examples to code a button that if it's clicked the panel's visibility is set to false?
View Replies View RelatedI have following code to populate a dynamic menu from categories retrieved from database
<jsp:useBean id="category" class="category.CatBean" scope="application"></jsp:useBean>
<c:if test="${applicationScope.cartList == null}">
<c:set var="catList" value="${category.categoryList}" scope="application"/>
</c:if>
<div id="categoryBrowse"><label>Browse by Category</label></div>
<div id="cssmenu">
[Code] ....
It works fine. But every time I click on a link on the menu, it duplicates the whole menu.
Okay i have done some research and have found that when using the JOptionPane, when the cancel or x button is clicked, the value is returned as null for the particular JOptionPane. It does not seem to work when I try to code it though, I have tried the following:
Java Code:
public static int getBoardType()
{
int boardType = 0;
String boardInput;
boardInput = JOptionPane.showInputDialog(null,
"Enter 1 (LongBoard), 2 (Shortboard), or 3 (BoogieBoard)." ,
"Dwelling Type",
JOptionPane.QUESTION_MESSAGE);
[Code] ....
If the "X" button or the Cancel button does in fact return a null value, why is the way I have this set up not working?
We are creating a quiz as a school program, we are using netbeans and we have a little problem. The problem is that our JButton opens a new JFrame in a new window and we want it to stay in the same window. The code we are using is:
private void PlayButtonActionPerformed(java.awt.event.ActionEve nt evt) {
Question1 s = new Question1 ();
s.setVisible(true);
}
Is it possible to make it stay in the same window?
I am trying to to insert time onto my jFrame (Netbeans) by using textfields. this is the code i've tried to put into the textfield so whenever i run the program it automatically shows the time.
Calendar now = Calendar.getInstance();
hours = now.get(Calendar.HOUR);
minutes = now.get(Calendar.MINUTE);
seconds = now.get(Calendar.SECOND);
millis = now.get(Calendar.MILLISECOND);
[Code] ....
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] ....
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.
I have to write a program that will generate 20 random circles with random radius lengths. If any of these circles intersect with another, the circle must be blue, and if it does not intersect, the color is red. I must also place a button on the JFrame. If this button is pressed, it needs to clear out the JFrame, and generate a new set of 20 circles following the same color rules. I am extremely new to Java Swing and am really stuck. I have everything working except the button. I cannot get a new set of circles to generate.
import java.awt.Graphics;
import javax.swing.JPanel;
import java.util.Random;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
[Code] ....
I am trying to put
Java Code:
import javax.swing.*;
import java.awt.event.*;
public class menu {
public static void main (String[] args){
JFrame frame = new JFrame("Menu");
frame.setVisible (true);
[Code] ....
I'm working on a memory game project on Khan and I'm stuck. Right now my game works by matching 2 of the same image. However, my professor wants me to add a button that allows 4 images to be paired at the same time. Right now, there are 20 images total but half of them are duplicates so that they have a match. My issue with this button is that I'm not sure how to make 5 groups of 4 of the same image. So rather than 10 different images, there will be only 5. (Still a total of 20 because every image has duplicates) My professor told me that a hint is to use a boolean variable called quadButton and work from there. URL...
View Replies View RelatedIn one jframe i have insert one jfilechooser but when i open in second time jfilechooser when i want close...don't close.
When I close jframe i want destroy memory of jfilechooser... How to do???
For to close jframe i write:
jframe.dispose();
but don't to do nothing....
I want to switch panel on click of a button and code for switching panels is written in update method (Which gets called from notify observer of another class as part of Observer pattern.
unoGameController.playGame(playerFirst.getText(), playerSecond.getText());
playGame in Panel 1 of class 1 calls another class (class 2)and data comes in update method of class 1(Observer interface).
Now for switching panels code is in gameControllerDataProcessing . I am not able to switch the panels when this functionality runs.
However if i dont call the unoGameController.playGame(playerFirst.getText(), playerSecond.getText() and directly call the update method or directly write the switching panel code . then it works fine.
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if((!(playerFirst.getText().equalsIgnoreCase("") ||playerSecond.getText().equalsIgnoreCase(""))&&(!playerFirst.getText().equalsIgnoreCase(playerSecond.getText())) ) ){
unoGameController.playGame(playerFirst.getText(), playerSecond.getText());
[Code] .....
I am trying to have a Jbutton (blocker02) act like a wall that will not allow a moving Jbutton to pass through. I tried using " if (blocker02. getBounds (). intersects(r_wall)) but it hasn't been successful.
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.geom.Rectangle2D;
[code]....
So I have this line of code...
ioexception11.addChoosableFileFilter(new Jframe());
And when I compile it gives me...
error: constructor Jframe in class Jframe cannot be applied to given types;
ioexception11.addChoosableFileFilter(new Jframe());
I am working on an assignment that I can't seem to figure out the final part to. The program takes in course data such as the time the class starts and how long it lasts. The time is in military time (0000 - 2400)
I need the output time to be the time the class started, plus the length of the class, and displayed in military time.
for example,
Start Time = 0930
Length = 50 minutes
Endtime = 1020
I can't for the life of me figure out how to do this. I have gotten a program that works for this time and minutes, and displays the correct 1020. But when I change the information to say
Start time: 0700
Length = 90 minutes
I get:
Endtime = 90
90 is technically correct, the way the formula is setup, but I need it to display 0900 not 90.
Here is the code that I have. Be easy, I'm still learning, and this is just the file I created to get the formula to work. Also, the verbose in here is just for my own debugging to make sure values should be what I'm expecting them to be.
public class calc
{
public static void main(String[] args) {
double hours, minutes, length;
double temp;
int time = 2400;
hours = time / 100;
System.out.println("Hours are: " + hours);
[Code] ....
I have two classes. time_runner is used for testing my code.
This is what I'm using to test my code:
class time_runner
{
public static void main(String str[]) throws IOException {
Time time1 = new Time(14, 56);
System.out.println("time1: " + time1);
System.out.println("convert time1 to standard time: " + time1.convert());
System.out.println("time1: " + time1);
System.out.print("increment time1 five times: ");
time1.increment();
[code]....
The two constructors are "Time()", which is the default constructor that sets the time to 1200, and "Time(int h, int m)" Which says If h is between 1 and 23 inclusive, set the hour to h. Otherwise, set the hour to 0. If m is between 0 and 59 inclusive, set the minutes to m. Otherwise, set the minutes to 0. Those are my two constructors that I pretty much have down. The three methods however I'm having trouble with. The "String toString()" Returns the time as a String of length 4. The "String convert()" Returns the time as a String converted from military time to standard time. The "void increment()" Advances the time by one minute.
public class Time {
private int hour;
private int minute;
public Time(int h, int m) {
if(h > 1 && h < 23)
hour = h;
[code]....
I am using netbeans swing to do my little project . I have one table which is populated by data from a database. I also have another table which should be populated when a user selects a certain row in the first table.Both table have only one column. The logic is when a user selects on row 1,the data in that row should be obtained and should be used to search for certain entities in the database which are returned and used to populate table 2.So after a user selects row1 and decides to select row2 the second table should be updated accordingly. I have attached the java file
/*
* 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.
*/
package UI;
import java.awt.CardLayout;
import java.sql.SQLException;
import java.util.logging.Level;
[Code] ....