facebook-javascript-sdk Archives

Kotlin: How I can use callback in Kotlin?

February 1, 2021 Bellamy Joanne

Question or issue of Kotlin Programming: I have View and one CircleShape , which should show toast in this View. And I use it in main Activity. This is my interface

Kotlin: Why do I have to return Unit.INSTANCE when implementing in Java a Kotlin function that returns a Unit?

January 17, 2021 Gelbero William

Question or issue of Kotlin Programming: If I have a Kotlin function

Kotlin: access Kotlin companion object in Java

January 17, 2021 Dina Emily

Question or issue of Kotlin Programming: I convert one of my Java class to Kotlin and the class as below.

Round Double to 1 decimal place kotlin: from 0.044999 to 0.1

January 17, 2021 Barnaby Elizabeth

Question or issue of Kotlin Programming: I have a Double variable that is 0.0449999 and I would like to round it to 1 decimal place 0.1 .

Kotlin: Android vibrate is deprecated. use VibrationEffect in Android>= API 26

January 17, 2021 Anderson Tracy

Question or issue of Kotlin Programming: I am using Android’s VIBRATOR_SERVICE to give a haptic feedback for a button touch.

Kotlin: How are coroutines implemented in JVM langs without JVM support?

January 17, 2021 Smith Oscar

Question or issue of Kotlin Programming: This question came up after reading the Loom proposal, which describes an approach of implementing coroutines in the Java programming language.

Kotlin: Private constructor in Kotlin

January 17, 2021 Dallin Sophie

Question or issue of Kotlin Programming: In Java it’s possible to hide a class’ main constructor by making it private and then accessing it via a public static method inside that class:

Unable to get provider com.google.android.gms.ads.MobileAdsInitProvider: java.lang.IllegalStateException

January 17, 2021 Barron Noah

Question or issue of Kotlin Programming: I update my Android Studio (3.2.1) and its sdk to the latest version. After that it required a manual update for Manifest by adding these tags:

Kotlin: Kotlin gradle Could not initialize class class org.jetbrains.kotlin.gradle.internal.KotlinSourceSetProviderImplKt

January 17, 2021 Duska William

Question or issue of Kotlin Programming: I tried to use gradle for transpiling Kotlin to Js. When I run the example from https://www.codeflow.site/fr/article/kotlin-javascript I got the error : Could not initialize class org.jetbrains.kotlin.gradle.internal.KotlinSourceSetProviderImplKt which comes from line apply plugin: ‘kotlin2js’ of build.gradle.

Kotlin: Use a lambda in place of a functional interface?

January 17, 2021 Ashby Isla

Question or issue of Kotlin Programming: In Java we can do this Events.handler(Handshake.class, hs -> out.println(hs));