package com.alorma.github.ui.activity.login; import core.User; public interface AlternateLoginPresenterViewInterface { void willLogin(); void onGenericError(); void finishAccess(User user); void didLogin(); class NullView implements AlternateLoginPresenterViewInterface { @Override public void willLogin() { } @Override public void onGenericError() { } @Override public void finishAccess(User user) { } @Override public void didLogin() { } } }