How to add an image dynamically at runtime in java?

GetRuntime(). Exec is for launching an external program. To simple load a file to use in your Java application you can simply treat it like any other file.

Indeed if you are using Swing, the ImageIcon constructor will take a String containing the file path as an argument.

GetRuntime(). Exec is for launching an external program. To simple load a file to use in your Java application you can simply treat it like any other file.

Indeed if you are using Swing, the ImageIcon constructor will take a String containing the file path as an argument. stackoverflow.com/questions/299495/java-... The above question explains how to add an image to a JPanel and this can be done at runtime by an event handler.

I was sort of giving context for why I'm adding an image with the p.Runtime.getRuntime().exec()...that is just running a python script that saves out the image I am looking to post. It has nothing to do with the image except for generating it. – Brandon Apr 14 '10 at 22:18.

That is just running a python script that saves out the image I am looking to post Sounds like the problem is that the code is trying load the image before the python script finishes creating the image. Try: Process p = Runtime.getRuntime(). Exec("..."); p.waitFor(); Icon icon = new ImageIcon(...).

1 for waitFor The whole processing ( invoking the script and waiting for the result ) should be run in a separate thread though. Otherwise it will freeze the UI. Later it should call SwingUtilities.

InvokeLater to update the UI – OscarRyz Apr 15 '10 at 0:09.

You can also use labels to display images. This tutorial shows you how.

Roc_image is a label...therefore it's already being added to a label. – Brandon Apr 14 '10 at 22:41.

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