1) In simple cases the controller is just a value notifier because that's all you need
2) In more complex cases, the controller publishes events and allows the user to subscribe to them (either via a Stream or controller provided subscription mechanism).
1) In simple cases the controller is just a value notifier because that's all you need
2) In more complex cases, the controller publishes events and allows the user to subscribe to them (either via a Stream or controller provided subscription mechanism).