Flutter Lifecycle: didChangeDependencies() vs didUpdateWidget()

didChangeDependencies() vs didUpdateWidget() in Flutter 🧩 Understanding when each lifecycle method runs can save you from subtle bugs and unnecessary rebuilds. 🔹 didChangeDependencies() Triggered when an inherited dependency changes (e.g. Theme, MediaQuery, Provider, InheritedWidget) Can be called multiple times, not just once 👉 Use it when your widget relies on data coming from context. 🔹 didUpdateWidget() Triggered when the parent widget rebuilds and passes new values Called on the same widget instance 👉 Use it to respond to changes in widget parameters. 🧠 Quick rule of thumb Data from context → didChangeDependencies() Data from parent → didUpdateWidget() Understanding this distinction leads to cleaner code and better performance 🚀 #Flutter #FlutterDev #MobileDevelopment #AppDevelopment #FlutterTips #Performance #VibeCoding #Mobile #App

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