Questions tagged [javafx]

JavaFX is the Java API for Java based UI programming.

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Raspberry pi, javaFX, lcd touch display, cursor misconfigured?

Im starting my java-application on the pi, the program works fine on my stationary computer. However, when I transfer the jar-file to the pi and start the program, I can see everything, but when I try ...
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0answers
34 views

JavaFX missing class JFXPanel

So I have an OpenJDK 8 installed on Raspbian Stretch; it crashes all the time. I then manually installed Oracle JDK 8u201 ; my app runs fine now no crashes. It misses JavaFX, though. I installed ...
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1answer
148 views

Gstreamer with Java | WARNING and Failed to load plugin

I try to launch the gst1-java binder on the Raspberry Pi 3B with the latest Raspbian Stretch and latest firmware. If I launch anything with gst-launch-1.0 it work great, I have hardware ...
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1answer
287 views

JavaFX and transparency

I'm working on a project who involve JavaFX and Omxplayer. On Windows, where I develop, my code works. I set my stage to stage.initStyle(StageStyle.TRANSPARENT); stage.setOpacity(0.5); On Windows, ...
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0answers
272 views

Numpad keys don't throw KeyEvents under JavaFX on RPi3 [closed]

While programming a JavaFX application for the Raspberry Pi 3 using the official JavaFXPorts from Gluon, I encountered the following problem: Pressing the numpad keys on my keyboard doesn't give me ...
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1answer
1k views

JavaFX: Cannot open display problem

I want to create some GUI for Raspberry Pi 1 B. So I found JavaFX is best for my purpose. Installed it following this tutorial : oracle.com/webfolder/technetwork/tutorials/obe/java/RaspberryPiFX/...
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0answers
131 views

Autorun JavaFX Application (Raspbian) [closed]

I am trying to autrun my JavaFX application right after booting. The Application works fine when executing it by "java -jar Application.jar". I have tried many different ways to autorun my ...
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1answer
876 views

JavaFX on Raspberry PI 3 (Fullscreen/Black Bars)

I have Raspbian installed on my Pi 3. I am trying to develop a JavaFX application which needs to send and receive data over serial interface so I use PI4J. Now i have a few problems when running this ...
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0answers
495 views

Unable to capture high-quality video on pi in Java(FX)

Current I am developing a JavaFX application that should display video to the user. I use https://github.com/sarxos/webcam-capture to retreive video data. I use v4l4j to get video on the pi. I use ...
3
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1answer
355 views

Java/OpenJFX exception at FileChooser.showOpenDialog

I'm developing a JavaFX application which works perfectly fine on any Windows computer. Now I am trying to transfer that onto the Raspbian OS. My initial thought of perfect platform-independent Java ...
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2answers
1k views

JavaFX Setup on Raspbian Jessie Lite

I've Downloaded 2017-04-10-raspbian-jessie-lite.img to run my JavaFX application. But it's not working. On Google I've noticed that Java8 doesn't have support for JavaFX on ARM like Raspberry, but we ...
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1answer
139 views

A java jar file runs fine if run from console but generates exception if run at startup

I wrote a JavaFX program which also utilizes JSON. When run at startup, the try catch around the JSON parsing piece of the code throws an exception. I can't see the exception printed in the console ...
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0answers
554 views

Fullscreen JavaFX application on RPi Cursor Bug

I posted this issue on the Raspberry Pi forums, however I didn't receive any replies and am hoping you guys might be able to help me out. I am having an issue running fullscreen JavaFX applications ...
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0answers
323 views

javafx 7" touchscreen blanking

I recently bought a Raspberry Pi 3 and the official 7" touchscreen. The goal is to run a JavaFX application that serves as a central point to control home automation services. While everything seems ...
3
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0answers
507 views

Raspberry Pi 2 and JavaFX8: Can't render small images without more GPU RAM

I'm trying to write a simple FX8 image display program on the Raspberry Pi2 without increasing the GPU memory beyond the default 64MB. I seem to get me a NullPointer Exception at com.sun.prism.impl....
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2answers
499 views

Alternative to java for an embedded system

Right now I am working on a project that requires sending ascii commands via serial to control a machine (i.e, turning a machine on off, change speed, etc.). The whole thing will be controlled with a ...
1
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1answer
273 views

Can I open a JavaFX dialog in my Java app?

I have written a Java application that opens a dialog (FileChooser) which runs fine on Windows but when I try and run it on the Pi, the dialog fails to appear. What may be wrong?