Kotlin Use Enum/EnumSet as Bit Flags

Dec 19, 2019
enum class Mode {    IMAGE, CARD, ALBUM}

Initialize

Initialize with None

val modes = EnumSet.noneOf(Mode::class.java)

Initialize with Single

val modes = EnumSet.of(Mode.IMAGE)

Initialize with Multiple

val modes = EnumSet.of(Mode.IMAGE, Mode.ALBUM)

Add/Remove Flag

Add Flag

modes.add(Mode.IMAGE)

Remove Flag

modes.remove(Mode.IMAGE)

Check Flag

Check Flag

if (modes.contains(Mode.IMAGE)) {}

❤️ Is this article helpful?

Buy me a coffee ☕ or support my work via PayPal to keep this space 🖖 and ad-free.

Do send some 💖 to @d_luaz or share this article.

✨ By Desmond Lua

A dream boy who enjoys making apps, travelling and making youtube videos. Follow me on @d_luaz

👶 Apps I built

Travelopy - discover travel places in Malaysia, Singapore, Taiwan, Japan.

Tags
Related articles
Kotlin Properties Serialization (encode data class to map)Kotlin Convert Data Class to MapKotlin Serialization and Json (Android)Android Kotlin Coroutine Scope for Activity, Fragment and ViewModel (Architecture Components)Setup Android Kotlin Coroutines (1.1) With Coroutine ScopeAndroid Kotlin Coroutines Setup and Basic UsageKotlin Difference of let, also, apply, run, withSetup Dagger 2 For Android KotlinGuide to learning Android Dev with Kotlin and Architecture Components (ViewModel, LiveData and Room)Kotlin Remove/Replace Invalid Charters For FilenameParse Date String to LocaldateKotlin RangeKotlin Hide Name Shadowed WarningKotlin Add to Non Mutable ListKotlin (Android) Async (Unresolved reference)Kotlin Map Filter Null ValueError: Could Not Find Method Kapt for ArgumentsKotlin Create List of N ItemsKotlin Handle ExceptionKotlin Initialized Once if Null