Flutter is a popular open-source mobile application development framework that allows developers to create high-performance, visually stunning, and cross-platform apps for iOS and Android. It uses the Dart programming language and offers a wide range of customizable widgets and tools, making it a preferred choice for building mobile applications.

In this tutorial, we will start with an introduction to Flutter and its architecture, including how to set up a development environment, create a new Flutter project, and run it on different devices. We will also explore the basics of Dart programming language, such as variables, data types, control structures, functions, and classes.

After that, we will dive deeper into the Flutter framework, focusing on the various widgets and layouts available, including stateless and stateful widgets, navigation, input handling, and animation. We will also discuss the concept of Flutter packages and how to use them to add third-party libraries and functionalities to your app.

In the latter part of the tutorial, we will build a simple mobile application from scratch, step-by-step, to demonstrate how to apply the concepts learned throughout the tutorial. This app will showcase some of the most commonly used features in mobile applications, such as user authentication, data storage, and API integration.

By the end of this tutorial, you will have a solid foundation in Flutter development and will be able to create your own cross-platform mobile applications with ease.