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Flutter Mobile Development · Lesson

BLoC Pattern with Streams

Learn the BLoC (Business Logic Component) pattern in Flutter to separate business logic from UI using events, states and streams.

What Is BLoC?

BLoC stands for Business Logic Component. It is a pattern that keeps your business logic out of widgets by turning events into states through a stream.

  • UI sends events in
  • BLoC processes them
  • New states flow back out to the UI

Why Another Pattern?

You already know setState, Provider, and Riverpod. BLoC shines when logic is complex and you want:

  • Clear separation of UI and logic
  • Predictable, testable state transitions
  • A reactive stream-based flow

All lessons in this course

  1. setState & InheritedWidget
  2. Provider Package Basics
  3. Riverpod for State
  4. BLoC Pattern with Streams
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