Flutter Design Patterns: 12 — Command

An overview of the Command design pattern and its implementation in Dart and Flutter

Previously in the series, I analysed and implemented one of the most popular and useful creational design patterns — Abstract Factory. This time, I would like to introduce an OOP design pattern that belongs to the category of behavioural design patterns — the Command.

Update 2022–09–15: I moved this blog to my personal website. For a better reading experience, up to date articles, interactive code examples and some extra content FOR FREE, check kazlauskas.dev.

Table of Contents

• What is the Command design pattern?
• Analysis
• Implementation
• Other articles in this series
• Your contribution

What is the Command design pattern?

A dangerous command (source)

Command, also known as Action or Transaction, is one of the behavioural design patterns which intention is described in the GoF book:

Encapsulate a request as an…