android-activity Archives

Kotlin: Kotlin Coroutines the right way in Android

February 13, 2021 Baxter Jennifer

Question or issue of Kotlin Programming: I’m trying to update a list inside the adapter using async, I can see there is too much boilerplate.

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: Android Data Binding Library vs Kotlin Android Extensions

February 1, 2021 Barnes Megan

Question or issue of Kotlin Programming: I’m reading about how the MVVM architecture works and how to use Android Data Binding Library help.

Kotlin: failed to find style ‘cardView Style’ in current theme

January 17, 2021 Bates Damian

Question or issue of Kotlin Programming: After updating support library version 27.1.0 Android Studio unable to render CardView. It shows error message as

Kotlin: kotlin and ArgumentCaptor – IllegalStateException

January 17, 2021 Ellington Isla

Question or issue of Kotlin Programming: I have a problem with capturing the Class argument via ArgumentCaptor. My test class looks like this:

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: Why a viewmodel factory is needed in Android?

January 17, 2021 Dallin Sophie

Question or issue of Kotlin Programming: We have been discussing about this but we don’t know the reason of creating a viewmodel factory to create a viewmodel instead of instantiate the viewmodel directly. What is the gain of creating a factory that just creates the viewmodel?

Kotlin: create constructor of custom view with Kotlin

January 17, 2021 Bellamy Joanne

Question or issue of Kotlin Programming: I’m trying to use Kotlin in my Android project. I need to create custom view class. Each custom view has two important constructors:

Android: Kotlin with Butterknife

January 17, 2021 Jones Charles

Question or issue of Kotlin Programming: I’m trying to use Kotlin with Butterknife for my Android Application.