A pure Kotlin, UI framework

Doodle helps you create beautiful, modern apps entirely in Kotlin. Its render model is intuitive yet powerful, making it easy to achieve complex UIs with pixel level precision and layouts. This simplicity and power applies to everything from user input to drag and drop. Doodle lets you build and animate anything.

Start creating your app for Web and Desktop; just define your View hierarchy and business logic, and go.

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Hello World

import io.nacular.doodle.application.Application
import io.nacular.doodle.application.application
import io.nacular.doodle.core.Display
import io.nacular.doodle.core.plusAssign
import io.nacular.doodle.core.view
import io.nacular.doodle.drawing.Color.Companion.Black
import io.nacular.doodle.drawing.text
import org.kodein.di.instance

class HelloWorld(display: Display): Application {
    init {
        display += view {
            size   = display.size
            render = {
                text("Hello, world!", color = Black)
            }
        }
    }

    override fun shutdown() {}
}

fun main() {
    application {
        HelloWorld(display = instance())
    }
}

Examples and Documentation

Check out the documentation site for more details and examples. You can also find helpful tutorials at doodle-tutorials.

Doodle is still under active development, so there are going to be gaps and bugs. Please report issues, and submit feature requests.

You can also join the discussion on the #doodle Kotlin Slack channel. Go to http://slack.kotl.in for instructions on getting an invitation.

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