I created a JApplet which can display a catalogue of images which are navigated via a CardLayout using the left and right arrow keys of the user's keyboard. It was created for FireFox under Windows Vista. I need to use Webstart to have it run properly with Internet Explorer under Vista. I therefore converted the JApplet code to a JFrame. The application launches from my web server except the icon in the JFrame and the images do not display.
The line beginning with Toolkit is where the problem is. I cannot use the same code as in the JApplet to retrieve the images because I now have a JFrame.
posted 8 years ago
Yes, I think Toolkit is only usable in applets. You can use the javax.imegio.ImageIO class to read files from an URL. That will hand you a BufferedImage object, which can be used wherever an Image can be used (and, as a bonus, in a few other places as well).
Java Web Start provides limited support for applets through its built-in applet viewer. However, this is not intended to be a full- scale applet environment, such as the one provided by Java Plug-in. Java Web Start's applet viewer has certain limitations; for example, you cannot specify class files as resources, and it does not accept policy files.
So, Web Start does have some support for applets, at least in the most recent versions. I don't know whether this helps your particular situation or not.
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