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Questions - companion-object

Property would not be serialized into a 'Parcel'. Add '@IgnoredOnParcel' annotation to remove the warning

Hey I am working in android Kotlin. I am getting this weird warning Property would not be serialized into a 'Parcel'. Add '@IgnoredOnParcel' annotation to remove the warning I don't want to add @Igno...
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Kotlin Learner

android

kotlin

parcelable

companion-object

Votes: 0

Answers: 1

Latest Answer

Remove the companion object and use val: import android.os.Parcelable import kotlinx.parcelize.Parcelize @Parcelize data class XYZ( val value: String? = null, ) : Parcelable { val valueIn...
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Mario Huizinga

Kotlin. How to declare constant?

I have class, which in primary constructor has some fields: class SomeData(val counter: Int...) { // some logic} I need to create a constant. I usually do it like this: companion object { priva...
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testivanivan

kotlin

constants

companion-object

primary-constructor

val

Votes: 0

Answers: 3

Latest Answer

If your MAX_VALUE is based on other data in the object, then it is by definition not a constant. What you need instead is a read-only property. There are two easy ways to create this: First, what you ...
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Moshe Katz

Kotlin - Companion Object changes it value when the variable is changed

I am having a data class which is having data in form of Lists (Companion Objects). I assign these lists to my variables (lists) in Activity class according to my requirement. The problem is that when...
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Gulfam

kotlin

companion-object

Votes: 0

Answers: 1

Latest Answer

Everything besides inline classes and primitives is always passed by a reference copy, not a deep value copy. Inline classes and primitives are sometimes passed by value copy, but the distinction hard...
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Tenfour04

Kotlin - Accessing Objects of class if the name of Object is stored in a String

I have a class which is having multiple companion objects which are lists of strings. In another class (Activity) I am having a string which can have name of any of the companion object. Is there a wa...
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Gulfam

android

android-studio

kotlin

companion-object

Votes: 0

Answers: 1

Latest Answer

You could use reflection: import kotlin.reflect.full.companionObject import kotlin.reflect.full.memberProperties class ProjectDataLists { companion object { var Countries: List<String> = ...
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lukas.j

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