Sufyan b. Mastering Flutter. A Beginner's Guide 2023

Textbook in PDF format

Mastering Flutter helps the reader master the popular Flutter framework for rapid cross-platform app development.
Mobile applications grow in popularity every year, and developers keep looking for new tools to help them design them. A Google-backed, free and open-source mobile user interface framework, Flutter, stands out among these products.
Flutter enables developers to construct a native mobile app using just a single line of code. This implies that one could design two different applications using the same programming language and codebase (iOS and Android).
Preface
Getting Started with Flutter and Dart
Data Types and Control Flow Statements
Dart Functions and Object-Oriented Programming
Dart Advanced
Basics of Flutter
APPRAISAL