[core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp() مشيت معاك خطوه خطوه بس بيطلعلي الايرور دا و دورت كتير مش لاقي حل
hello, my friend, the problem is with the version of firebase_core so I changed everything to this and exactly like this without the ( ^ ) and it works fine for me : cupertino_icons: ^1.0.2 firebase_core: 1.0.1 firebase_auth: 1.0.1 cloud_firestore: 1.0.1