DART

learn flutter

Ah so you wanna learn flutter? Alright:
 Prerequirements:
   Knowledge of Dart
   Android Studio Installed
   Flutter Installed
 Learning process:
   Google codelab
   Sample example
 Rough Idea of flutter:
   Everything is a widget, a widget is an element on the screen, 
   it can manage it's own state
   
Start >>> https://flutter.dev/learn

learn flutter

Best way to learn Flutter: https://sideguide.dev/courses/flutter?ref=grepper
You can literally learn inside VS Code! Thank me later :)

should i learn dart before flutter

Yes, because flutter is a framework or library which uses dart language

Should I learn Dart for Flutter?

Yes, it is very necessary to learn Dart language for building Flutter application.