This guide was originally put together by Kirk Saviour as referenced on this thread. To create new Android Kotlin activity, Go to File -> New-> Kotlin Activity. Starting from Kotlin version 1.0.2, action to create new activity in Kotlin has been added. This is good news for wannabe developers, owing to its. Mutable variable: var x = 5 // `Int` type is inferredįunction having two Int parameters with Int return type: fun sum ( a : Int, b : Int ) : Int If Kotlin is your first programming language, we recommend starting with the Atomic Kotlin book or signing up for the free Kotlin Basics track on JetBrains Academy. Kotlin is one of two official languages used in Android development and is Google’s preferred choice when it comes to the platform. Val c : Int // Type required when no initializer is providedĬ = 1 // definite assignment int a = 1 int b = 1 int c c = 1 You can check the Kotlin version in Tools Kotlin Configure Kotlin Plugin Updates. When you accept the suggestion, it automatically updates the Kotlin plugin to the new version. Syntax Crash Course VariablesĪssign-once (read-only) local variable: val a : Int = 1 val b = 1 // `Int` type is inferred IntelliJ IDEA and Android Studio suggest updating to a new release once it is out. Take a look at this cheatsheet and quick reference.
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