App freezes in the elevator? Build a robust offline experience using connectivity_plus, Hive caching, Optimistic UI updates, and Background Sync with WorkManager.
Establishing TCP connection is expensive. Reuse it for multiple requests.
Yellow stripes appear when the keyboard pops up? Learn how to handle layout overflows using resizeToAvoidBottomInset, SingleChildScrollView, and tricks for chat apps.
HTTP is Walkie-Talkie (Over). WebSocket is Phone (Hello). The secret tech behind Chat and Stock Charts.
IP addresses change like home addresses. MAC addresses are like DNA or Fingerprints. Burned into hardware.
Hive for "Read" operations offline.workmanager to upload data when connection returns.Offline support transforms your app from "Fragile" to "Robust".