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The Complete Guide to Flutter

Solution: Real-Time Bitcoin Transactions

Explore how to connect Flutter apps to real-time Bitcoin transaction data using WebSocket channels. Learn to subscribe, listen, and cleanly disconnect from WebSocket streams while handling JSON data efficiently.

We'll cover the following...

Solutions

Great job on completing all the steps in the previous challenge! Feel free to compare your code solutions with the solutions below:

pubspec.yaml
lib/presentation/transactions_screen.dart
dependencies:
  flutter:
    sdk: flutter
  cupertino_icons: ^1.0.4
  http: ^0.13.4
  intl: ^0.17.0
  web_socket_channel: ^2.1.0
Bitcoin transaction solutions

Challenge 1: Connect to a WebSocket server

First, we add the ...