[BLOG] Example of contract between ViewModel and View

SettinngsScreen.kt

data class ViewState(
    val firstName: String,
    val lastName: String,
    val notificationsChecked: Boolean,
    val notificationsEnabled: Boolean
)

sealed class Interaction {
    data class NotificationSwitchChanged(val enabled: Boolean) : Interaction()
    data class FirstNameChange(val firstName: String) : Interaction()
    data class LastNameChange(val lastName: String) : Interaction()
    object NotificationSettingButtonClick : Interaction()
    object HelpButtonButtonClick : Interaction()
    object LogOutButtonClick : Interaction()
    object AdvancedSettingsButtonClick : Interaction()
}