Will this converter be able to precompile embedded JavaScript? That would be very cool. If I remember correctly Rhino can compile JS to bytecode AOT. RoboVM would then be able to compile that bytecode to machine code.
On Wed, Jul 31, 2013 at 8:28 AM, Tom Schindl <tom.schi...@bestsolution.at>wrote: > I don't think it is a good idea to use fxml on embedded and mobile, we are > working on a fxml => java converter so you can add it to your build process. > > Tom > > Von meinem iPhone gesendet > > Am 31.07.2013 um 08:11 schrieb Niklas Therning <nik...@therning.org>: > > >>>> after many days trying to really build iOS apps with JavaFX and RoboVM > >> or > >>>> Avian I’m very frustrated because of the following things: > >>>> > >>>> Based on RoboVM, JavaFX on iOS runs unacceptable slow - I don’t know > >> the > >>>> reason - maybe it’s the rendering model of JavaFX - maybe it’s the > >>>> currently unoptimized RoboVM > >>>> One big problem of RoboVM is it’s dependence of the Android library, > it > >>>> does not support the OpenJDK. That’s a big reason for many many > >> problems > >>>> when using JavaFX. So currently it’s not possible to use fxml files > >>>> (FXMLoader) because of the missing Stax xml parser and classes like > >>>> XMLInputFactory in the android library… > > > > There's now a compatibility library for the jfx78 backport which includes > > the missing sun.* classes from OpenJDK [1]. So that will not be a problem > > when running on RoboVM/Android. Daniel Zwolenski is working on getting > this > > into Maven which will make it nice and easy to develop with > RoboVM+OpenJFX. > > > > FXMLLoader relies an StAX and the Java Scripting API. Those can both be > > made to work on RoboVM/Android. The POM of the compat project [1] > contains > > optional dependencies on the StAX API and JSR 223 API. For StAX you'll > also > > need a StAX provider [2][3]. For scripting you'll need a JSR 223 > > implementation of the scripting language you're using, like Rhino for > > JavaScript [4][5]. Please note that I haven't tested FXML but it should > > work (in theory at least ;-) ). Please give it a go. It will be a great > > blog story if you can make it work on iOS. > > > > As for the performance issues with RoboVM+OpenJFX: those WILL be > addressed! > > You can either wait for it to happen or you can help out. One way to do > > that would be sample code that exercises the code paths that need to be > > optimized (e.g. the button rendering you posted about earlier). > Preferably > > the sample should run repeatedly without user interaction. You should > then > > be able to run Apple's Instruments application to profile this sample. > This > > will help us determine what needs to be optimized. > > > > /Niklas > > > > [1] https://github.com/robovm/robovm-jfx78-compat > > [2] https://github.com/FasterXML/aalto-xml > > [3] http://woodstox.codehaus.org/ > > [4] https://developer.mozilla.org/en-US/docs/Rhino > > [5] > > > https://java.net/projects/scripting/sources/svn/show/trunk/engines/javascript?rev=236 >
