build.gradle

buildscript {
  repositories {
    jcenter()
  }

  dependencies {
    classpath 'org.javafxports:jfxmobile-plugin:1.3.15'
  }
}

plugins {
  id 'gradle-clojure.clojure' version '0.4.0'
  id 'application'
  id 'com.github.johnrengelman.shadow' version '2.0.4'
  id 'maven-publish'
}

apply plugin: 'org.javafxports.jfxmobile'

group = 'lyrion'
version = '0.1.0-SNAPSHOT'

mainClassName = 'lyrion.cec'

repositories {
  mavenCentral()
  jcenter()
  maven {
    name = 'clojars'
    url = 'https://repo.clojars.org'
  }
}

dependencies {
  implementation 'org.clojure:clojure:1.9.0'
  implementation 'clojurefx:clojurefx:0.5.0-SNAPSHOT'

  testImplementation 'junit:junit:4.12'

  devImplementation 'org.clojure:tools.namespace:0.3.0-alpha4'
}

clojure {
  builds {
    main {
      aotAll()
    }
  }
}

jfxmobile {
  android {
    applicationPackage = 'lyrion.cec'
  }
}

publishing {
  publications {
    shadow(MavenPublication) { publication ->
      project.shadow.component(publication)
    }
  }
  repositories {
    maven {
      name = 'clojars'
      url = 'https://repo.clojars.org'
      credentials {
        username = System.env['CLOJARS_USER']
        password = System.env['CLOJARS_PASSWORD']
      }
    }
  }
}

cec.clj

(ns lyrion.cec
  (:gen-class
    :extends javafx.application.Application
    :prefix "fx-")
  (:require [clojurefx.clojurefx :as fx])
  (:import (javafx.stage Stage Screen)
           (javafx.scene Scene)
           (javafx.scene.control Label)
           (javafx.geometry Rectangle2D)))

(defn fx-start [^Stage stage]
  (fx/run-now (let [content ^Label (Label. "Hello World")
                    visual-bounds ^Rectangle2D (.getVisualBounds (.getPrimary Screen))
                    scene ^Scene (Scene. content (.getWidth visual-bounds) (.getHeight visual-bounds))]
                (.setScene stage)
                (.show stage))))

(defn -main
  "I don't do a whole lot ... yet."
  [& args]
  (println "Hello, World!"))