Architectural Layers 1. Framework The flutter framework is the first layer of the architecture. Developers interact through this framework layer, As you can see in the image it includes the different types of platforms, layouts, libraries and this provides a modern, reactive framework that is written in Dart Language. Let's discuss in details all about the framework : In flutter there are two types of libraries : Material Cupertino - With the help of material library design, the UI for Android and helps developers easily build high-quality, digital experiences. - It provides the different types of widgets with the guidelines so developers can use this easily and make their own Designs for the application. Also, use the Material design for iOs Application Design. - With the help of Cupertino library design the UI for iOS also uses Material library for iOS design but Cupertino provides the standard iOS Widgets to create an application. - In this You can technically run a Cuper...