Kotlin screen saver template for macOS

See also: KotlinLogo-ScreenSaver for a more complex implementation and more references.

Contents:

• KotlinScreenSaver: an Xcode screen saver project
• src/appleMain:
  • KotlinScreenSaverView: an abstract screen saver class that the Swift code delegates calls to, choose the concrete implementation used at the top of this file
  • MyAppKitScreenSaverView: demo of AppKit being used to put content on the screen with Kotlin code
  • MyComposeScreenSaverView: demo of Compose Multiplatform rendering on macOS native target
  • Main.kt: a macOS native main function to run the Compose code on native, in a window, without needing to package and load a screen saver
• src/commonMain contains the shared Compose UI code
• src/jvmMain contains a JVM entry point to run the Compose code as a desktop app, with Compose Hot Reload configured for easier editing

Running the apps:

Build the screen saver:

cd KotlinScreenSaver
xcodebuild -scheme KotlinScreenSaver build

Run the native app:

./gradlew runDebugExecutableMacosArm64

Run the JVM desktop app with Compose Hot Reload:

./gradlew hotRunJvm --mainClass "MainKt" --auto