Back to JFrame ↑Question We would like to know how to dynamically changing JPanels on JFrame. Answer import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; /* w w w . j a v a 2 s . c om*/ import javax.swing.JButton; import javax.swing.JFrame; import...
initialize(); g.drawImage(image, 0, 0, this); } public static void main(String[] args) { JFrame f = new JFrame("Display Colours"); f.getContentPane().add(new Main()); f.setSize(300, 300); f.setLocation(100, 100); f.addWindowListener(new WindowAdapter() { public void windowC...
I'm new to Java and am working on a project for school. I created a MouseListener on my JFrame. When the mouse is clicked I want to change the background color on my JFrame but it isn't working. Here is what I have so far: 01public class I...
if(frame.getExtendedState()== JFrame.MAXIMIZED_BOTH){ frame.setExtendedState(JFrame.NORMAL); }else{ frame.setExtendedState(JFrame.MAXIMIZED_BOTH); } } }); frame.add(button, BorderLayout.NORTH); frame.setVisible(true); In order to minimize and restore the frame with a button click, you can...
//1. Create the frame. JFrame frame = new JFrame("FrameDemo"); //2. Optional: What happens when the frame closes? frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //3. Create components and put them in the frame.//...create emptyLabel...frame.getContentPane().add(emptyLabel,...
javax.swing.JFrame; import javax.swing.Timer; public class Main { public static void main(String[] args) { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton button = new JButton("Bring me to top after 3 seconds")...
7) Create installer background and application icon The default icon for an executable JAR is a coffee cup. To add a custom icon, we need to create an.icnsfile. Use the following commands to download a sample PNG image, resize the image to appropriate dimensions for an icon, and convert...
In fact, two of the classes we developed earlier actually did everything you need to know to draw an image into a graphics context. if (image != null) { g.drawlmage (image,xloc,yloc, getBackground() ,this); } This call simply draws the “image” object at (xloc,yloc) in the ...
(false); button.setBackground(Color.WHITE); button.setToolTipText(uri.toString()); button.addActionListener(new OpenUrlAction()); container.add(button); frame.setVisible(true); } private static void open(URI uri) { if (Desktop.isDesktopSupported()) { try { Desktop.getDesktop().browse(uri...
to give the layered pane a preferred size and a border, and add a mouse-motion listener to it. The mouse-motion listener just moves the Duke image around in response to mouse movement. Although we do not show the code here, the example adds the layered pane to the frame's content ...