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Thread: JButton Positioning:

  1. #1
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    Default JButton Positioning:

    import java.awt.GridLayout;
    import javax.swing.*;
     
    public class Screen
    {
        JButton start;
        JButton reset;
        JButton box[][] = new JButton[20][20];
     
        Screen()
        {
            JFrame j = new JFrame();
            j.setSize(700,500);
            j.setLayout(new GridLayout(20,20));
            j.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     
            //create buttons
            for(int row=0;row<20;row++)
            {
                for(int col=0;col<20;col++)
                {
                    box[row][col] = new JButton();
                    j.add(box[row][col]);
                }
            }
     
            //create start button
            start = new JButton("Start");
            j.add(start);
            start.setLocation(0, 0);
     
            //create reset button
            reset = new JButton("Reset");
            j.add(reset);
            reset.setLocation(2, 0);
     
            j.setVisible(true);
     
        }
     
        public static void main(String[] args)
        {
            new Screen();
        }
     
    }

    I am trying to place the buttons on the bottom. I tried a few different things but the grid layout keeps grabbing it and making them a part of the grid at the button. Any advice?


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    Default Re: JButton Positioning:

    Don't have alot of experience with it, but i think you should work with a container,
    so that your frame is your frame, inside your frame you have your jbuttons, and a JPanel where you add your start/reset buttons to,
    I've got it working and i'm a noob ;p

    Java Swing tutorial
    This might get you underway.
    If what I said is horribly wrong, forgive my ignorance
    Last edited by Time4Java; May 20th, 2014 at 11:51 PM.

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    Default Re: JButton Positioning:

    Spend some more time looking at layout managers. Adding to Time4Java's advice, you may want to use a BorderLayout in the main container, use a GridLayout in a JPanel to which the box[][] elements are added, and then add that grid JPanel to the center of the BorderLayout. Then add the Start/Reset buttons to a JPanel which is then added to the South part of the BorderLayout.

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    Default Re: JButton Positioning:

    Cross-post: JButton positioning:

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