JavaFX 2.0 :: Preloader Not Shown Into Native Package
Jul 28, 2014
After some attempts I seen that my preloader is not shown using native package (Windows and Mac).
Running the jar that is run from the file.exe instead I can see the splash screen.
This is the relevant part of my build.xml
<fx:application id="fxApplication" name="app" version="3.0" mainClass="it.app.Main" preloaderclass="it.app.preloader.SplashScreenUi" toolkit="fx" />
As said, running the jar file instead of exe file the splash screen is displayed.
I printed some logs into splash screen class: when I run the app from the jar this logs are printed, instead when I run the app from .exe file these logs are not present.
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Aug 27, 2014
When reading RT-38432 I see that Danno mentions the possibility to use:
com.sun.javafx.application.LauncherImpl.launchApplication(YourMainClass.class, Preloader.class, args);
I've never used the javafx-packager and have always used the above instead. However, I assumed I was missing out on some optimization related to example 9-5 and example 9-6 of Deploying JavaFX Applications: Preloaders | JavaFX 2 Tutorials and Documentation. I always assumed the supported packaging:
1) Loads only the JARs / resources needed to launch the Preloader.
2) Launches the Preloader.
3) Loads all other application JARs / resources.
4) Launches the application.
Now I'm thinking that's only the case for Web Start deployments. For standalone deployments is it the same as a normal Java application where all of the application JARs are included as part of the classpath?
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Dec 3, 2014
I done a small application with Javafx that start an Embedded Jetty. All works fine in Windows also with native package. Instead in Mac it works only before native packaging. Seems that the problem is how relative path are considered.
The tree of the content is this:
myfile.jar
webapp (folder)
libs (folder)
Look at this code:
String webAppDir = "webapp";
File f = new File(webAppDir);
log.debug("Path webapp folder: " + f.getAbsolutePath());
if (!f.exists())
throw new Exception("The folder " + f.getAbsolutePath() + " doesn't exist");
[Code] ....
The problem is that before the packaging in Mac the relative path is that where the main .jar is located an so the code works because the webapp folder is found. Instead after the bundle the path became /Users/MyUser/webapp and of course the folder is not found because it is bundled inside the file.app near the libs folder.
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Jun 30, 2014
At the end I just copy and paste the code from section 9.3.4 (the long startup task example) and it still won't work. After starting the application I only see some black screen flickering at the upper left screen and then the main app shows up.
What I have done:
Using Netbeans 8.0 under Linux(Fedora20 64bit), JDK 1.8u5 ...
Here are the two classes - the main app :
import javafx.application.Application;
import javafx.application.Platform;
import javafx.application.Preloader.ProgressNotification;
[Code]....
On my machine I see only a little black flickering on the left upper screen and then immediately the app is shown...
The only way I can get this to run is to set the custom preloader property in the Netbeans-project properties. If you use a maven based project in Netbeans you did not got this option ...
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Aug 29, 2014
I'm trying to set up a splash screen where a native splash screen is shown initially and then replaced with the stage from my preloader. This is fairly simple to do. I use the below code to get everything lined up properly.
private void alignStage(Stage stage) {
SplashScreen splashScreen = SplashScreen.getSplashScreen();
if (splashScreen != null) {
// Align the stage based on the current splash location
Rectangle bounds = splashScreen.getBounds();
stage.setX(bounds.getX());
stage.setY(bounds.getY());
[Code] ....
The problem I'm having is that my Stage isn't actually shown by the time the commented event gets fired. The API for onShown says:
Called just after the Window is shown.
My guess is the window has transitioned to being shown, but there's a slight delay until it gets rendered on screen. If that's a decent assumption, is there a reliable way I can make sure my preloader stage is visible on screen before I hide the native splash?
The best option I can think of so far is to delay hiding the native splash until the preloader gets the BEFORE_START notification. This works (no flicker), but, since both splash screens are actually visible for a while, using a transparent splash doesn't work very well (which actually isn't too big of a deal).
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Jul 21, 2014
I created an ant script to create an installer for my JavaFx app:
<?xml version="1.0" encoding="UTF-8"?>
<project name="app-javafx" default="do-deploy" basedir="." xmlns:fx="javafx:com.sun.javafx.tools.ant">
<property name="java8.jdk.home" value="/Library/Java/JavaVirtualMachines/jdk1.8.0_11.jdk/Contents/Home" />
<property name="javafx.tools.ant.jar" value="${java8.jdk.home}/lib/ant-javafx.jar" />
<target name="init-fx-tasks">
[Code] ....
During compiling I see:
Using base JDK at:
/Library/Java/JavaVirtualMachines/jdk1.8.0_11.jdk
Using default package resource [Bundle config file] (add package/macosx/Info.plist to the class path to customize)
Using default package resource [icon] (add package/macosx/app.icns to the class path to customize)
Creating app bundle: /Users/Utente/Documents/workspaceServer/javafx/target/deploy/bundles/app.app
Config files are saved to /var/folders/q6/vmt_h0tx3rgdbt_4h2_2f3780000gn/T/build6635061168386632777.fxbundler/macosx.
Use them to customize package.
fxbund
ler/macosx. Use them to customize package.
So I get files inside the temp directory and I copied them inside my project target directory. Unfortunally javafxbuilder don't use them to customize the package so I think the path where I have to put that files is wrong.
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[Code] ....
If it's relevant the error:
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at java.io.BufferedInputStream.fill(Unknown Source)
[Code] .....
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[Code] ....
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[Code]....
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