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Tray Icon implementation for JavaFX applications. Say goodbye to using AWT's SystemTray icon, instead use a JavaFX Tray Icon.

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FXTrayIcon

Maven Central Travis CI Build

Library for use in JavaFX applications that makes adding a System Tray icon easier. The FXTrayIcon class handles all the messy AWT and Swing parts of constructing an icon, displaying notifications, creating a context menu, etc. This means that users of FXTrayIcon can work solely with its public API and JavaFX classes that they are already familiar with.

Check out the runnable test application in the test directory for an example of how this works.

Usage

From within your JavaFX application, adding a tray icon is as simple as two lines of code. Yes, really, that's it!

// Pass in the app's main stage, and path to the icon image
FXTrayIcon icon = new FXTrayIcon(stage, getClass().getResource("someImageFile.png"));
icon.show();

Or use Builder Style

FXTrayIcon icon = new FXTrayIcon.Builder(stage, iconURL).menuItem("Menu 1", e-> myMethod()).addExitItem().show().build();

Click here for a Builder tutorial

How do I add to my project

The project is available as a Maven dependency on Central. Add the following to POM.xml

<dependency>
  <groupId>com.dustinredmond.fxtrayicon</groupId>
  <artifactId>FXTrayIcon</artifactId>
  <version><!--See Below --></version>
</dependency>

Or, if using Gradle to build, add the below to your Gradle build file

compile group: 'com.dustinredmond.fxtrayicon', name: 'FXTrayIcon', version: '<see below>'

You can even use it from a Groovy script!

@Grapes(
  @Grab(group='com.dustinredmond.fxtrayicon', module='FXTrayIcon', version='<see below>')
)

Note, for the current stable version number, use the following: Maven Central

Features & Screenshots

CheckMenuItems

FXTrayIcon now supports the use of CheckMenuItems - See Javadocs for specifics.

FXTCheck

Animated Icons

FXTrayIcon now offers a convenient way to animate the icon in the tray. This is great for things like letting the user know when the program is processing something or even to subtly get their attention.

animation

The way you use it is straightforward. First, create all the frames of the animation and save each frame into a file. The turning circle above, for example, took 45 files to create. Once you have the files, you can load them into FXTrayIcon in one of two ways: Pass in LinkedList<java.io.File> or LinkedList<javafx.scene.image.Image>.

For example, create a LinkedList<File> containing the File objects of each frame, and then pass them into FXTrayIcon using the Builder or after FXTrayIcon has been instantiated. We recommend putting the files into their own folder; numbered in sequence, then create the list from that folder.

Creating the list:

File[]  files = new File("path/to/my/imageFiles").listFiles();
LinkedList<File> fileList = new LinkedList<>(Arrays.asList(files));
fileList.sort(Comparator.comparing(File::getName));

Using the list with the Builder:

trayIcon = new FXTrayIcon.Builder(primaryStage, iconFile)
    .animate(fileList, 75)
    .addExitMenuItem("Exit", e -> Main.stopRunning())
    .show()
    .build();  

Or after instantiation:

trayIcon.newAnimation(fileList, 75);

The .newAnimation() method can also be used to replace an existing animation.

The number after fileList is the amount of time that each frame will be shown, specified in milliseconds.

These methods can be used to play and control the animation:

trayIcon.play();
trayIcon.playFromStart();
trayIcon.stop();
trayIcon.pause();
trayIcon.pauseResume();
trayIcon.stopReset();
trayIcon.resetIcon();

Use these methods to get the state of the animation:

trayIcon.isRunning();
trayIcon.isPaused();
trayIcon.isStopped();

And if you need access to the timeline of the animation for any reason, just use trayIcon.getTimeline()

There is a full working program in the test folder called Animation. It will show you everything you need to know. The JavaDocs are also available and are very thorough.

FXTrayIcon on Windows 10's tray

FXTrayIcon example

Above is an example of FXTrayIcon running on Windows 10, of course, you choose your own icon file. Here we used a link icon from Icons8, they provide thousands of amazing icons for developers, both free (with an attribution) and paid.

Context Menu - uses JavaFX MenuItem

FXTrayIcon menu example

An example of FXTrayIcon's custom context menu, built using JavaFX MenuItems. Surprise, surprise, JavaFX MenuItems get translated into AWT MenuItems by FXTrayIcon, so there's no need to use those! A developer can work solely with JavaFX Menus and MenuItems.

Tray notifications

The following can be used to show notifications. Note that the showMessage() method uses the icon from FXTrayIcon in the notification, while the others use different icons to indicate the level of severity of the message.

  • showMessage(String caption, String content)

    • or showMessage(String content)

      showMessage

  • showInfoMessage(String caption, String content)

    • or showInfoMessage(String content)

      showInfoMessage

  • showWarnMessage(String caption, String content)

    • or showWarnMessage(String content)

      showWarnMessage

  • showErrorMessage(String caption, String content)

    • or showErrorMessage(String content)

      showErrorMessage

Supported operating systems

OS Support Status Unsupported Features
Windows 11 Fully supported N/A
Mac OS Partially supported In the displayMessage() methods. Custom notification icons are not supported in AppleScript calls, but the TrayIcon is.
Linux Partially supported Some desktop environments that support java.awt.SystemTray are supported. Many are not. You should not rely on the isSupported method as a matter of truth, testing on individual desktop environments is strongly encouraged.

Call FXTrayIcon.isSupported() to see if the current platform supports the system tray.

Access to TrayIcon

Being a JavaFX library, much care has gone into keeping the AWT portions of the library out of sight within your IDE while using FXTrayIcon. However, we realize that there are situations where it would be useful to have access to the underlying TrayIcon awt object, so this can be done in two different ways.

  • You can extend FXTrayIcon and in that extended class, you can access the getTrayIcon() protected method.
  • Once you have FXTrayIcon instantiated, you can call the getRestricted() method then gain access to the TrayIcon object through that method.

About icon sizes

The nature of how FXTrayIcon needing to be a library that works side by side with Swing, because we still do not have a native JavaFX means for utilizing the system tray, icon sizing can be problematic with different operating systems. If you use the methods that do not require you to specify the icon size, then FXTrayIcon will use the best size for whichever operating system you're running it on. Windows requires a slightly smaller size than Macs.

This animation feature does not have any options for specifying the size of the icon because it is best to just let it use the defaults. However, if you still want to control the size of the icon and the animation icon, then you can override the defauoy by using:

.setIconSize(width, height);
.setIconSize(oneValueWH);

Then those values will become the default icon size that the Builder uses anywhere an icon size isn't required, and also the animation feature will use those values.

You can use that method in the build statement or after instantiation. The Builder will not build anything until the end so that you have an opportunity to change those values if desired.

Projects using FXTrayIcon

  • JDKMon - A tool that monitors your installed JDK's and informs you about updates.
  • GlucoStatusFX - Glucose status monitor for Nightscout implemented in JavaFX.
  • GistFX - A utility that makes managing and organizing your GitHub Gists easy and convenient.
  • NFC4PC - Makes your desktop PC react to NFC tags by opening them just like a mobile phone.

If your project uses FXTrayIcon, let us know via Pull Request, and we'll feature your project on this README.

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Tray Icon implementation for JavaFX applications. Say goodbye to using AWT's SystemTray icon, instead use a JavaFX Tray Icon.

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