Flutter is a mobile app development framework that was created by Google to help developers build beautiful and performance native apps for iOS and Android from a single code base. With Flutter, developers can create high-quality user interfaces, fast and easy app development, expressive and flexible designs, and a great development experience. Flutter uses the Dart programming language, which was also created by Google, and includes a wide range of pre-built widgets and tools that make app development faster and more efficient. With its hot-reload feature, developers can make changes to their code and see the results in real-time, which helps to speed up the development process and improve productivity. Whether you are an experienced mobile app developer or a beginner just getting started, this book is designed to provide you with the knowledge and skills you need to build beautiful and performance native apps using Flutter. So let's get started!