Flutter UI design online

The basics of Flutter architecture Flutter consists of two major parts – a framework with a UI library based on widgets and a software development kit (SDK) . In a nutshell, a framework is a UI Library based on widgets, which contains various reusable UI elements, such as sliders, buttons, text inputs, and others.

Flutter is a dynamic instability of an elastic structure in a fluid flow, caused by positive feedback between the body’s deflection and the force exerted by the fluid flow .