Category "kotlin"

Killing a thread or an asynchronous task

let's say I use a jar that IBM has created. Let's say that this Jar has a function that I need but is ultimately build as such: while (true) { System.ou

How to access variant.outputFileName in Kotlin

We've been using a snippet like this one to rename the APK file generated by our Gradle build: android.applicationVariants.all { variant -> variant.outp

KMM - Casting a sealed class/interface in swift not possible

Within my KMM library I use sealed interfaces/classes to represent certain states/errors. I decided to use sealed interfaces/classes because these states must h

How to query an Entity from a Many-to-Many realtionship dependendt on two ore more conditions in Ktor with the Kotlin Exposed Framework?

I have 3 entities: User id: Int name: String Room id: Int name: String RoomUser id: Int room_id: Int (Reference on Room.id) user_id: Int (Reference on User.i

How to eliminate passing View Model to this Jetpack Compose Kotlin Home Screen?

I'm trying to clean-up my code and eliminate View Models where not necessary. I'd like to be able to access itemList, filtering, and itemListFiltered in my Home

Set Drawable instance to Image in Jetpack Compose

In Jetpack Compose, who can tell me is there a way to assign a Drawable Object to the Image compose view? I took the apps installed on an Android device. I get

Jetpack Compose - Column - Gravity center

I'm creating a layout with Jetpack Compose and there is a column. I would like center items inside this column: Column(modifier = ExpandedWidth) { Tex

Is 'constructor LocationRequest()' deprecated in google maps v2?

I stumbled upon this message recently, and I was pretty sure that this constructor wasn't deprecated in prior versions to 18.0.0, but I cannot find information

java.lang.NullPointerException: DataBindingUtil.setConte….layout.activity_chapter) must not be null

I have just build a project with android kotlin but when I run the app it got crash, and in the logcat I found this error java.lang.NullPointerException: DataB

Kotlin: Equivalent of property wrappers from Swift

What is the equivalent property wrappers for Kotlin: @propertyWrapper struct Foo { var wrappedValue: String { get { return "Test

Custom parameter names with a bean for request parameters in Spring 5

I'm trying to use Spring 5 to have a custom bean for my request parameters. In theory this is easy, but I want to have the field names be different from the par

How can I convert a Long value to date time and convert current time to Long kotlin?

The Code A can convert a long value to date value, just like 2018.01.10 I hope to get Date + Time value , such as 2018.01.10 23:11, how can I do with Kotlin?

Fragment navigation and menu. How to remove latest fragment? Check description

I was incapable of finding an answer for the following context: Let's say we have a menu and a nav graph instanced in the main activity. We have 3 fragment: Hom

How to inject data class in android with dagger where data class parameter have no default value?

My data class like: data class Animal(var id:Int = 2) { } My Provides method in module class like: @Provides @Singleton fun provide():

Kotlin Multiplatform Project Unit Test Issue

Today I just updated my Android Studio to Android Studio 3.5.2 Build #AI-191.8026.42.35.5977832, built on October 31, 2019 JRE: 1.8.0_202-release-1483-b49-5587

Firestore returns empty list [duplicate]

I have 3 entries in my firestore database. I need to query the data and fetch it, then input it into an ArrayList. The problem is my query is

Cannot access 'java.lang.Object' which is a supertype of... Check your module classpath for missing or conflicting dependencies

I thought it would be fun and informative to learn more about static code analysis by implementing my own custom linter. I've been trying to declare the below d

Why use Arrow's Options instead of Kotlin nullable

I was having a look at the Arrow library found here. Why would ever want to use an Option type instead of Kotlin's built in nullables?

Filtering a recyclerview list using map or switchmap

I've been trying to figure this out for 2 days now - I just can't seem to get it to work! I'm using MVVM with a Repository pattern. Could someone tell me what I

Error receiving broadcast Intent when using SmsRetriever

When authenticating using Firebase Auth, I want to auto input the code that is received via SMS. I am able to receive SMS and go through auth process manually,