Events and States
Explore how the BLoC pattern uses events to capture user interactions and data changes, and states to represent the UI status. Understand mapping events to states for effective state management in Flutter apps.
We'll cover the following...
We'll cover the following...
The BLoC pattern is all about messages flowing from the UI to the BLoC (events) and vice versa (states).
How events and states flow between the UI and BLoC
Events
Events are pieces of data that are emitted by a source, usually to carry a message or signal a change. Events are crucial in Flutter applications, and they are used in many different scenarios:
Handle user interactions: When a user interacts with a widget, it can emit an event that signals that the interaction has occurred. For example, when a user selects an item from a ...