passing Context into Application?

Richard Bair richard.bair at
Mon Feb 24 00:45:24 PST 2014

What if you had an AndroidApplication extends Application that added the new APIs, such that somebody could specialize behave by using the AndroidApplication subclass?

On Feb 24, 2014, at 9:03 AM, Johan Vos <johan at> wrote:

> I've been working on using the Android API's in a JavaFX application. As
> explained in my blog post at
> we're
> using a (imo) rather dirty trick.
> The problem is that all Android API's need to be accessed via a Context
> instance. The Java FXActivity that we use to bootstrap the JavaFX
> Application extends Context, but it is only accessible in the JavaFX app
> since we add it as a static field on FXActivity. When FXActivity calls the
> LauncherImpl to start the application, we can't pass context information.
> We can pass String[] but that is not useful here.
> In general, I think the environment that launches a JavaFX Application
> (Android, iOS, script, JNLP, management software,...) may want to pass some
> context information. Of course this context information is very specific,
> with Object being the ugly common denominator.
> I realize it goes against the wora principles, but having the possibility
> to either inject or set a context on javafx.application.Application would
> definitely help using JavaFX in other environments.
> - Johan

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