Hello all, I started some basic implementations on Kotlin multiplatform and started following some amazing blogs written by everyone here. I am trying to implement a basic Service Locator that relies on a lateinit var. I dont see a way to initialize this var in my iOS Code and I also dont see the var in the native compiled code. Code -

@ThreadLocal
object ServiceLocator {

    lateinit var applicationContext: ApplicationContext

    val CareApi by lazy { CareZoneApi(PlatformServiceLocator.httpClientEngine) }

    val performLogin: PerformLogin
        get() = PerformLogin(CareApi)

    val loginPresenter: LoginPresenter
        get() = LoginPresenter(performLogin, getUserSettings(applicationContext))

}

How do I access the

applicationContext

in my iOS app code to assign it a value. The ApplicationContext is my custom class. PS: Please let me know if this is also not the right place to ask this query.

on iOS side you can't access to

ServiceLocator

instance, on iOS it will be

ServiceLocator().applicationContext = •••

...to avoid it you can create global function like:

fun setupServiceLocator(context: ApplicationContext) {
    ServiceLocator.applicationContext = context
}

and on iOS side it will be:

ServiceLocatorKt.setupServiceLocator(context: •••)

if file named ServiceLocator.kt (name of class with global functions generated from filename)

Calling

ServiceLocator()

gives you the

ServiceLocator

instance. It looks like an initializer/method call but it’s always returning the same object.

Yes,

ServiceLocator().x

on iOS in this case is identical to

ServiceLocator.x

on JVM/Android. I guess it’s this way because of some kind of limitations in the language translation.

Yes even I thought so, but I am not able to access it in iOs code though. Now when I looked at it further, it is there in the

shared.h

header file in my imported framework, but it doesnt show up when I do

import shared

in my Viewcontroller. Which probably means some old shared framework is getting imported. Dont know from where though.

Xcode can get confused sometimes. If everything seems like it should work but isn’t, first try clean. If that doesn’t help delete the derived data folder.

Why did you mark the

ServiceLocator

as

ThreadLocal

? I’ve seen this already a couple of time in other examples, but couldn’t figure out the reason 🤔