ExampleContract.kt

interface ExampleContract : BaseContract {

    interface View : BaseContract.View {
        /**
         * example of successful response
         */
        fun onProfileNameReceived(name: String)

        /**
         * example of a failure response
         */
        fun onProfileNameRequestFailed(exception: Exception)
    }

    interface Presenter : BaseContract.Presenter<View> {
        /**
         * example of a network/database/logic request
         * non blocking request that will run on another thread
         * and return the result using
         *
         * [View.onProfileNameReceived] for successful result
         * [View.onProfileNameRequestFailed] for failure result
         */
        fun fetchProfileName()
    }
}

ExamplePresenter.kt

open class ExamplePresenter : BasePresenter<ExampleContract.View>(),
	ExampleContract.Presenter {


	override fun fetchProfileName() {
		launch {
			try {
				val name = fetchProfileNameFromDatabase()
				//request completed successfully

				withContext(uiContext) {
					view.onProfileNameReceived(name)
				}
			} catch (io: IOException) {
				withContext(uiContext) {
					view.onProfileNameRequestFailed(io)
				}
			}
		}
	}

	@Throws(IOException::class)
	open suspend fun fetchProfileNameFromDatabase(): String {
		//Perform long operation that might work and might not
		return withContext(databaseContext) {
			"Gil Goldzweig"
		}
	}
}

ExampleView.kt

class ExampleView : ExampleContract.View {

	override fun onProfileNameReceived(name: String) {
		//Some action
	}

	override fun onProfileNameRequestFailed(exception: Exception) {
		//Some action
	}
}