MVP

LoginContract.kt

interface LoginContract {
    interface View : BaseContract.View {
        fun showEmailError(error: String?)
        fun showPasswordError(error: String?)
        fun disableButton()
        fun enableButton()
    }

    interface Presenter : BaseContract.Presenter<View> {
        fun login(email: String?, password: String?)
        fun checkEmail(email: String)
        fun checkPassword(password: String)
    }
}