API and async

Almost every real app consumes external data. These exercises cover the full flow: REST API calls using the http package, loading and error state management with FutureBuilder, and infinite scroll pagination with ScrollController. Mastering these is essential for building connected apps.

• Dio with interceptors in Flutter: solved exercise
• WebSockets in Flutter: solved exercise with web_socket_channel
• Flutter timeout and retry: solved exercise
• Loading, error and empty states in Flutter: solved exercise
• Pagination with cache invalidation: solved exercise
• SWR-like pull to refresh in Flutter: solved exercise
• Typed JSON parsing in Flutter: solved exercise
• Infinite Scroll in Flutter: solved pagination exercise
• FutureBuilder in Flutter: solved exercise for loading states
• Flutter API Call with http: solved REST exercise