To define a property that computes lazily, use 'by lazy'. #KotlinTips

You can define an extension to a companion object. #KotlinTips

#KotlinTips. Null-safety is the bread and butter of Kotlin! Use the null-safe call to avoid if-null checks:

If you need an array of primitives, like an array of ints, use a specific type like 'IntArray' rather then 'Array<Int>' . #KotlinTips

Learn Kotlin Collection Functions: associateBy. Check the example. Learn and Share 🚀. #AndroidDev #Kotlin #KotlinTips #Developer #Android

#KotlinTips. We prefer using default arguments instead of overloading. Default arguments in Kotlin remove nearly all use cases for method and constructor overloading.

Kotlin Collection Functions: all. Check the example. Learn and Share . #AndroidDev #Kotlin #KotlinTips #Android #Developer

In Foo::bar, bar can also be an extension to Foo. Like in Char::isLetterOrDigit. #KotlinTips

Kotlin filtering function - partition(): filters a collection by a predicate and keeps the elements that don't match it in a separate list. Share it if you learned something new. #Kotlin #KotlinTips #AndroidDev #Android

You can implement an interface to your companion object or extend it from a class. #Kotlin #KotlinTips #Android #AndroidDev

To create a map from an iterable or a sequence, use ‘associate’ function and specify how to build a map entry from each element. If an element becomes a key, use 'associateWith'. If it becomes a value, use 'associateBy' instead. #KotlinTips

Kotlin - Idiomatic way to remove duplicate strings from an array. - distinct().- toSet().- toMutableSet().- toHashSet(). Share it if you learned something new. #Kotlin #KotlinTips #AndroidDev

Checkout, plus (+) and minus (-) operators work for map -👇 #AndroidDev #KotlinTips

Kotlin Best Practices: Advantage of using const. #AndroidDev #Kotlin #KotlinTips #Android

If you want to reference enum constants directly in the code, not as just import them. #KotlinTips

Inspired by @JorgeCastilloPr tweet I decided to present & describe various ways of exposing LiveData from ViewModel to a View (usually Fragment). #AndroidDev #Kotlin #KotlinTips #LiveData

Kotlin Best Practices: Constants in Kotlin. Check the example. Learn and Share. #Kotlin #KotlinTips #AndroidDev #Developer

Kotlin Collection Functions are useful, take advantage of it while coding. Use them based on your use-cases. Check the example. Share it if you learned something new. #AndroidDev #Kotlin #KotlinTips

Learn Kotlin Collection Functions: chunked. Check the example. Learn and Share 🚀. #AndroidDev #Kotlin #KotlinTips #Android #Developer