This video explains how to use java.awt.GridLayout to arrange buttons in rows and columns. This will also show how to add padding between the grid of buttons.
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package AwtDemoPkg; import java.awt.Button; import java.awt.Frame; import java.awt.GridLayout; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; public class FrameWindow extends Frame implements WindowListener { public FrameWindow(String FrameTitle) { //Display the Frame Window super(FrameTitle); setSize(460, 170); setLocation(100,100); addWindowListener(this); //Sample 01: Create 5 Buttons Button btn1 = new Button("01"); Button btn2 = new Button("02"); Button btn3 = new Button("03"); Button btn4 = new Button("04"); Button btn5 = new Button("05"); Button btn6 = new Button("06"); //Sample 02: Set the Layout Manager setLayout(new GridLayout(2,3)); //Sample 03: Add All the Buttons add(btn1); add(btn2); add(btn3); add(btn4); add(btn5); add(btn6); } public void windowOpened(WindowEvent e) {} public void windowClosed(WindowEvent e) {} public void windowIconified(WindowEvent e) {} public void windowDeiconified(WindowEvent e) {} public void windowActivated(WindowEvent e) {} public void windowDeactivated(WindowEvent e) {} public void windowClosing(WindowEvent e) { this.dispose(); } } ============================================== //Replace Snippet 01-03 with the following //Sample 01: Set the Layout Manager GridLayout grdLayout = new GridLayout(5,10); setLayout(grdLayout); //Sample 02: Set Gap between rows & columns grdLayout.setHgap(6); grdLayout.setVgap(10); //Sample 03: Add Components for(int i=1; i<51; i++) { //3.1: Create the Buttons String btnCaption = Integer.toString(i); Button btn = new Button(btnCaption); add(btn); } |
Categories: AWT-Tube
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