Kotlin Multiplatform by Tutorials by By Kevin Moore & By Saeed Taheri & By Carlos Mota

Author:By Kevin Moore & By Saeed Taheri & By Carlos Mota
Language: eng
Format: epub
Publisher: Ray Wenderlich

Android

Still in the shared module, open KoinAndroid.kt from androidMain and add this block of code:

actual val platformModule = module { single<Settings> { AndroidSettings(get()) } }

Make sure to import the Settings from com.russhwolf.settings.Settings package.

AndroidSettings is the Android implementation of Settings.

You’re using Koin’s single keyword, so it provides this dependency as a singleton.

AndroidSettings needs an instance of SharedPreferences in its constructor. You’re asking Koin to fetch that dependency at runtime. Don’t worry! To prevent a crash, you’ll provide that dependency soon.

Open OrganizeApp.kt in androidApp module. As you may remember, the initKoin function had a parameter named appModule. Now it’s time to use it.

Pass this block of code to the appModule parameter:

module { //1 single<Context> { this@OrganizeApp } //2 single<SharedPreferences> { get<Context>().getSharedPreferences( "OrganizeApp", Context.MODE_PRIVATE ) } }

Here’s what’s going on in the code above:

Setting up SharedPreferences requires an instance of Android Context. You’re declaring to Koin that it can use the application instance as the singleton context.

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