Câu hỏi phỏng vấn Flutter
Câu hỏi

Explain the different types of Streams?

Câu trả lời

There are two main types of streams in Dart and Flutter:

  1. Single Subscription Streams: These streams allow only one listener at a time. If you add another listener, the previous one is automatically canceled. Single subscription streams are suitable for streams that emit a limited amount of data, such as the results of a network request[1][3].
dart Copy
StreamController singleStreamController = StreamController();
  1. Broadcast Streams: Broadcast streams can have an unlimited number of listeners. However, events added before subscribing are not received by late listeners, and events are not buffered for late subscribers[1][3].
dart Copy
StreamController broadcastStreamController = StreamController.broadcast();

Some key points about streams:

  • Streams are a powerful tool for handling asynchronous data in Dart, making them essential for various application scenarios, particularly in Flutter development[1].
  • Streams can emit data events, error events, and a done event when the stream is closed[4].
  • The listen() met...
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