JavaFX and OpenJDK

Question

I m trying to decide whether I could switch to JavaFX for the user interface of my Java application  Most of my users would be using the Oracle JRE  which has JavaFX integrated these days  However  some are using OpenJDK  on linux   This  old  question suggests that OpenJDK deals very badly with JavaFX  According to this question  the alternative OpenJFX will only be fully integrated into OpenJDK in version 9  So my question is twofold    Is the JavaFX support in OpenJDK still so bad  If so  are there any Linux distributions that already offer an OpenJFX package so users wouldn t have to build it themselves

User · Answer

For me this worked     sudo apt-get install openjfx

User · Answer

JavaFX is part of OpenJDK  The JavaFX project itself is open source and is part of the OpenJDK project   Update Dec 2019  For current information on how to use Open Source JavaFX  visit https   openjfx io   This includes instructions on using JavaFX as a modular library accessed from an existing JDK  such as an Open JDK installation    The open source code repository for JavaFX is at https   github com openjdk jfx     At the source location linked  you can find license files for open JavaFX  currently this license matches the license for OpenJDK  GPL classpath exception    The wiki for the project is located at  https   wiki openjdk java net display OpenJFX Main  If you want a quick start to using open JavaFX  the Belsoft Liberica JDK distributions provide pre-built binaries of OpenJDK that  currently  include open JavaFX for a variety of platforms   For distribution as self-contained applications  Java 14  is scheduled to implement JEP 343  Packaging Tool  which  Supports native packaging formats to give end users a natural installation experience  These formats include msi and exe on Windows  pkg and dmg on macOS  and deb and rpm on Linux    for deployment of OpenJFX based applications with native installers and no additional platform dependencies  such as a pre-installed JDK      Older information which may become outdated over time  Building JavaFX from the OpenJDK repository  You can build an open version of OpenJDK  including JavaFX  completely from source which has no dependencies on the Oracle JDK or closed source code   Update  Using a JavaFX distribution pre-built from OpenJDK sources  As noted in comments to this question and in another answer  the Debian Linux distributions offer a JavaFX binary distibution based upon OpenJDK    https   packages qa debian org o openjfx html Install via   sudo apt-get install openjfx     currently this only works for Java 8 as far as I know    Differences between Open JDK and Oracle JDK with respect to JavaFX  The following information was provided for Java 8   As of Java 9  VP6 encoding is deprecated for JavaFX and the Oracle WebStart Browser embedded application deployment technology is also deprecated   So future versions of JavaFX  even if they are distributed by Oracle  will likely not include any technology which is not open source    Oracle JDK includes some software which is not usable from the OpenJDK   There are two main components which relate to JavaFX    The ON2 VP6 video codec  which is owned by Google and Google has not open sourced  The Oracle WebStart Browser Embedded application deployment technology    This means that an open version of JavaFX cannot play VP6 FLV files   This is not a big loss as it is difficult to find VP6 encoders or media encoded in VP6     Other more common video formats  such as H 264 will playback fine with an open version of JavaFX  as long as you have the appropriate codecs pre-installed on the target machine    The lack of WebStart Browser Embedded deployment technology is really something to do with OpenJDK itself rather than JavaFX specifically   This technology can be used to deploy non-JavaFX applications     It would be great if the OpenSource community developed a deployment technology for Java  and other software  which completely replaced WebStart and Browser Embedded deployment methods  allowing a nice light-weight  low impact user experience for application distribution   I believe there have been some projects started to serve such a goal  but they have not yet reached a high maturity and adoption level   Personally  I feel that WebStart Browser Embedded deployments are legacy technology and there are currently better ways to deploy many JavaFX applications  such as self-contained applications     Update Dec  2019   An open source version of WebStart for JDK 11  has been developed and is available at https   openwebstart com    Who needs to create Linux OpenJDK Distributions which include JavaFX  It is up to the people which create packages for Linux distributions based upon OpenJDK  e g  Redhat  Ubuntu etc  to create RPMs for the JDK and JRE that include JavaFX   Those software distributors  then need to place the generated packages in their standard distribution code repositories  e g  fedora red hat network yum repositories    Currently this is not being done  but I would be quite surprised if Java 8 Linux packages did not include JavaFX when Java 8 is released in March 2014   Update  Dec 2019    Now that JavaFX has been separated from most binary JDK and JRE distributions  including Oracle s distribution  and is  instead  available as either a stand-alone SDK  set of jmods or as a library dependencies available from the central Maven repository  as outlined as https   openjfx io   there is less of a need for standard Linux OpenJDK distributions to include JavaFX   If you want a pre-built JDK which includes JavaFX  consider the Liberica JDK distributions  which are provided for a variety of platforms   Advice on Deployment for Substantial Applications  I advise using Java s self-contained application deployment mode   A description of this deployment mode is      Application is installed on the local drive and runs as a standalone   program using a private copy of Java and JavaFX runtimes  The   application can be launched in the same way as other native   applications for that operating system  for example using a desktop   shortcut or menu entry    You can build a self-contained application either from the Oracle JDK distribution or from an OpenJDK build which includes JavaFX   It currently easier to do so with an Oracle JDK   As a version of Java is bundled with your application  you don t have to care about what version of Java may have been pre-installed on the machine  what capabilities it has and whether or not it is compatible with your program   Instead  you can test your application against an exact Java runtime version  and distribute that with your application   The user experience for deploying your application will be the same as installing a native application on their machine  e g  a windows  exe or  msi installed  an OS X  dmg  a linux  rpm or  deb    Note  The self-contained application feature was only available for Java 8 and 9  and not for Java 10-13   Java 14  via JEP 343  Packaging Tool  is scheduled to again provide support for this feature from OpenJDK distributions   Update  April 2018  Information on Oracle s current policy towards future developments   The Future of JavaFX and Other Java Client Roadmap Updates by Donald Smith  Sr  Director of Product Management  Oracle  Java Client Roadmap Update - March 2018 an Oracle White Paper

User · Answer

Also answering this question   Where can I get pre-built JavaFX libraries for OpenJDK  Windows   On Linux its not really a problem  but on Windows its not that easy  especially if you want to distribute the JRE   You can actually use OpenJFX with OpenJDK 8 on windows  you just have to assemble it yourself   Download the OpenJDK from here  https   github com AdoptOpenJDK openjdk8-releases releases tag jdk8u172-b11  Download OpenJFX from here  https   github com SkyLandTW OpenJFX-binary-windows releases tag v8u172-b11  copy all the files from the OpenFX zip on top of the JDK  voila  you have an OpenJDK with JavaFX   Update   Fortunately from Azul there is now a OpenJDK OpenJFX build which can be downloaded at their community page  https   www azul com downloads zulu-community   amp version java-8-lts amp os windows amp package jdk-fx

User · Answer

According to Oracle integration of OpenJDK  amp  javaFX will be on Q1-2014   see roadmap   http   www oracle com technetwork java javafx overview roadmap-1446331 html    So  for the 1st question the answer is that you have to wait until then  For the 2nd question there is no other way  So  for now go with java swing or start javaFX and wait

User · Answer

Try obuildfactory   There is need to modify these scripts  contains error and don t exactly do the  thing  required   i will upload mine scripts forked from obuildfactory in next few days  and so i will also update my answer accordingly   Until then enjoy  sir

User · Answer

As a quick solution you can copy the JavaFX runtime JAR file and those referenced from Oracle JRE JDK  or any self-contained application that uses JavaFX e g  JavaFX Scene Builder 2 0    cp  lt JRE WITH JAVAFX HOME gt  lib ext jfxrt jar      lt JRE HOME gt  lib ext  cp  lt JRE WITH JAVAFX HOME gt  lib javafx properties  lt JRE HOME gt  lib  cp  lt JRE WITH JAVAFX HOME gt  lib amd64 libprism     lt JRE HOME gt  lib amd64  cp  lt JRE WITH JAVAFX HOME gt  lib amd64 libglass so  lt JRE HOME gt  lib amd64  cp  lt JRE WITH JAVAFX HOME gt  lib amd64 libjavafx    lt JRE HOME gt  lib amd64    just make sure you have the gtk 2 18 or higher

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