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Thread: Update GUI from thread

  1. #1
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    Default Update GUI from thread

    Hi all.

    I'm new here and relatively new to java, usually specializing in web development languages.

    I have a multi-threading problem with a new application that i'm building which i hope someone might be able to shed some light on.

    I have a main class in which i set up a javafx GUI. On that GUI is a notification text element. This is responsible for displaying various different application status messages on the GUI itself. I also have another thread which sits in it's own class file from which i want to be able to update the GUI on certain actions. So lets say that the thread detects a key press or a mouse movement or something i want to make the GUI aware of this and update the notification Text element.

    Can anyone help me understand how this can be done?

    I've done a bit of research but i can't seem to find what i'm looking for, or i don't quite follow the examples.


  2. #2
    Crazy Cat Lady KevinWorkman's Avatar
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    Default Re: Update GUI from thread

    You should never make changes to the GUI from a thread other than the EDT. Recommended reading: Lesson: Concurrency in Swing (The Java™ Tutorials > Creating a GUI With JFC/Swing)
    Useful links: How to Ask Questions the Smart Way | Use Code Tags | Java Tutorials
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  3. #3
    Administrator copeg's Avatar
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    Default Re: Update GUI from thread

    And more pertinent reading geared towards JavaFX in which the same principle Kevin mentioned applies
    Concurrency in JavaFX | JavaFX 2 Tutorials and Documentation

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