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What does the abbreviation MVI mean and how is it used in application development?

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Answer from AI

MVI (Model-View-Intent) is an architectural pattern used in application development, especially on Android, for managing state and interaction with the UI.

Main components of MVI:

  • Model — describes the state of the application or UI.
  • View — displays the model's state and sends user intents.
  • Intent — user intentions or actions, which are transformed into state changes.

In MVI, data flow is usually unidirectional: the View generates Intents, which are processed and change the Model, and the updated Model state is reflected back in the View.

This helps make the application more predictable, easier to test, and manage state.

Example: a user presses a button (Intent), the application updates the state (Model), and the View redraws with the new state.