Kotlin Android. Sometimes we need a function where we can pass n number of parameters, and the value of n can be decided at runtime. Kotlin provides us to achieve the same by defining a parameter of a function as vararg .
Read moreWhat does () -> unit mean in Kotlin?
Here, () -> Unit is a function type and the Unit after the -> indicates that this function type does not return any meaningful value . Mentioning the Unit cannot be skipped in function types. Unit for Extending Generics. Every function has to return a value.2 May 2019
Read moreWhat is this () in Kotlin?
In Kotlin, the “this” keyword allows us to refer to the instance of a class whose function we happen to be running .
Read moreWhat is unit in Kotlin Android?
From the Kotlin documentation: If a function does not return any useful value, its return type is Unit. Unit is a type with only one value — Unit.VALUE.
Read moreWhat is callback in Kotlin Android?
Instead of calling the code that should be invoked after the operation is completed straightaway, we extract it into a separate callback, often a lambda, and pass this lambda to the caller in order for it to be called later.
Read moreWhat is callback in Kotlin?
kotlin.Any. ↳ android.telecom.Call.Callback. Defines callbacks which inform the InCallService of changes to a Call . These callbacks can originate from the Telecom framework, or a ConnectionService implementation.10 Şub 2022
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