Too Long; Didn't Read
Flutter is Google’s SDK (Software Development Kit) for mobile app development. It is used to develop cross-platform compatible mobile and web apps. The programming language that is used for coding is Dart, developed by Google too. Flutter allows developers to write a single code and use it for the major Operating Systems. It also has a library of widgets and customizable app interfaces for the benefit of mobile app developers. The development process is simplified by using Flutter's hot reloading. The best news is that Flutter can be used for the development of desktop apps.