KotlinKronicles-extension-prefs.kt

import android.content.Context
import android.content.SharedPreferences

private fun doSomething(context: Context) {
    val prefs = context.getSharedPreferences("app_prefs", Context.MODE_PRIVATE).edit()
    prefs.persist(key = "my_name", value = "Kaushal Dhruw")
}

fun SharedPreferences.Editor.persist(key: String, value: String) {
    putString(key, value)
    apply()
}