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example-ui-basic-02.kt
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example-ui-basic-02.kt
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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
// This file was automatically generated from coroutines-guide-ui.md by Knit tool. Do not edit.
package kotlinx.coroutines.javafx.guide.basic02
import kotlinx.coroutines.*
import kotlinx.coroutines.channels.*
import kotlinx.coroutines.javafx.JavaFx as Main
import javafx.application.Application
import javafx.event.EventHandler
import javafx.geometry.*
import javafx.scene.*
import javafx.scene.input.MouseEvent
import javafx.scene.layout.StackPane
import javafx.scene.paint.Color
import javafx.scene.shape.Circle
import javafx.scene.text.Text
import javafx.stage.Stage
fun main(args: Array<String>) {
Application.launch(ExampleApp::class.java, *args)
}
class ExampleApp : Application() {
val hello = Text("Hello World!").apply {
fill = Color.valueOf("#C0C0C0")
}
val fab = Circle(20.0, Color.valueOf("#FF4081"))
val root = StackPane().apply {
children += hello
children += fab
StackPane.setAlignment(hello, Pos.CENTER)
StackPane.setAlignment(fab, Pos.BOTTOM_RIGHT)
StackPane.setMargin(fab, Insets(15.0))
}
val scene = Scene(root, 240.0, 380.0).apply {
fill = Color.valueOf("#303030")
}
override fun start(stage: Stage) {
stage.title = "Example"
stage.scene = scene
stage.show()
setup(hello, fab)
}
}
fun setup(hello: Text, fab: Circle) {
GlobalScope.launch(Dispatchers.Main) { // launch coroutine in the main thread
for (i in 10 downTo 1) { // countdown from 10 to 1
hello.text = "Countdown $i ..." // update text
delay(500) // wait half a second
}
hello.text = "Done!"
}
}