JLabel is only a display of text or image and it cannot get focus. Here's a snapshot of an application with three labels, two decorated with an icon: The program uses one image icon to contain and paint the yellow splats. JLabel is used to display a short string or an image icon. In the Windows Control Panel, click on Programs. Swing provides a particularly useful implementation of the Icon interface: ImageIcon, which paints an icon from a GIF, JPEG, or PNG image.
#Java swing set icon how to
My JPG loads fine in other image viewers, so that's ruled out as well. Following example showcase how to change the default icon of the window in Swing based application. Windows 10 Right-click on the Start button and select the Control Panel option. But I have now already exhausted my understanding of images and icons in the mighty, wide world of Swing. So that leaves me to believe there's something that getResource() doesn't like about the JPG itself. I have subsequently placed the JPG in just about every directory inside my project, just to rule file location out as the culprit. You can also create a repl by clicking on the + icon under the Create section. It changes the icon which is displayed at the left side of Frame or Window. Dont worry about setting up java environment in your local.
The setIconImage () method of Frame class is used to change the icon of Frame or Window. I have used the (new File(".").getAbsolutePath()) trick to locate the directory where the image JPG should be stored, and still nothing worked. How to change TitleBar icon in Java AWT and Swing. To me, there's only 2 possibilities here: (1) the myImage.jpg is in the wrong directory, or (2) getResource() doesn't like something about my image (I had to convert it from CMYK to RGB in Photoshop so I could use the same image elsewhere with ImageIO.)
#Java swing set icon code
This code fails down in loadIcon when making a call to the getResource() method. Private ImageIcon loadIcon(String strPath) ImageIcon myAppImage = loadIcon("myimage.jpg") How to change a JFrame Icon Create a new ImageIcon object and add it to your frame: ImageIcon img new ImageIcon (path) tIconImage (img. Here's "my" code (heavily borrowed from other posts and the internet at large): public class MyApp extends JFrame I've seen many different examples showing how to set a JFrame's IconImage so that the application uses that icon instead of the standard coffee mug.
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