Flutter State Management Compared: Provider vs Riverpod vs Bloc

Flutter State Management Compared: Provider vs Riverpod vs Bloc Stop guessing which one to use. Here are three real implementations and a clear decision framework. When You Need State Management // ❌ BAD: setState can't share state across widgets class ProfilePage extends StatefulWidget { ... } class _ProfilePageState extends State ProfilePage > { String ? username ; // Want this in another page — setState won't work } Rule of thumb : Single widget only → setState is fine Multiple widgets share