A Guide on Flutter Realtime Database with Firebase

A flutter realtime database is an important part of some applications. In this video, we go through the realtime database offered by Firebase. This video shows you the differences between Firestore and realtime databases of Firebase in terms of structure. It also shows you how to implement the real time database in 3 scenarios. First, you need to have a realtime connection for only 1 specific field in your database. Second, if you want to have realtime connection on multiple fields. Finally, the realtime connection on several fields as a list in your application.

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[dumisilendlovu]

error: A value of type 'Object?' can't be assigned to a variable of type 'Map<dynamic, dynamic>'. (invalid_assignment at [flutterfirebase] lib\main.dart:)

[avinashpatel]

how to get notification on Realtime database change???

[mapwebfiles]

the program has error in line 112 "data.forEach(", its said : Exception has occurred.
_TypeError (type 'String' is not a subtype of type 'Map<dynamic, dynamic>'),
, then what should i do?

[chrisl]

112 "data.forEach(", its said : Exception has occurred.
_TypeError (type 'String' is not a subtype of type 'Map<dynamic, dynamic>'),
I am tired of searching and made it this far can you tell me the fix please. Thank You

[khoirulumam]

which version of flutter you are using it?

[javaclass]

friend if you provide source code then it will helpful for someone