Building a simple app from scratch.

Knowing and understanding the folder structure plays a vital role in understanding the app you are building as well and how you can use what the framework provides. Here is a detailed explanation of all the files that come with the initial set up of Flutter app. Want to say hello to the world of Flutter? Here is something that will help you understand a very rudimentary concept of the main, runApp function and introduce you to a simple Text widget. We will create a small app that displays “Hello World” in the centre of the screen.