A simple calculator application with multimodule architecture


A simple calculator application with multimodule architecture, MVI, Compose, Voyager for courses


Calculator FeatureSettings Feature

User Interface Layer Architecture (MVI+)(Aleshin)

Main components:

  1. View (Screen or Fragment/Activity) – user interaction and displays status
  2. BaseViewModel – intermediate logic layer
  3. Actor – processing and distribution of event
  4. Reducer – updating the state by action
  5. WorkProcessor – main work (with managers, interactors etc)
  6. State Communicator – state storage
  7. CoroutineManager – working with asynchrony
  8. Contract – contains ViewState, Events, Effects, Actions


Copyright 2023 Stanislav Aleshin

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


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