Factory Constructor in Dart & Flutter | When to Use, Why to Use, and Real API Model Example

Опубликовано: 29 Май 2026
на канале: FlutterFly
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Are you confused about factory constructors in Dart?
In this video, we break it down step-by-step in the simplest way possible — with real-world examples you will actually use in Flutter apps.

✅ What You’ll Learn:

What is a Factory Constructor?

How is it different from a Normal Constructor?

When should you use Factory Constructors?

Creating Models from API JSON using factory constructors

Singleton Pattern using Factory Constructor

Real example: User Model with and without Singleton

Bonus: Understanding Object Caching

This tutorial is perfect for:
Flutter Beginners, Intermediate Developers, and anyone learning Dart OOP.