Flutter With Praveen

 Sure, here are short definitions for static, final, and const: Static: Refers to class-level attributes or methods. static members are shared across all instances of the class, meaning they belong to the class itself, not to any specific object. Final: Used to declare variables that can be assigned only once. A final variable must be initialized when it's declared, and its value cannot be changed later. In object-oriented programming, final can also be used to indicate that a method cannot be overridden or a class cannot be inherited. Const: Indicates that a variable's value is constant and known at compile-time. const variables are immutable, and their values are fixed for the entire runtime of the program. In languages like Dart, const also implies the variable is final class Student {   // Static variable   static String? stdBranch;   // Instance variables   String? stdName;   int? roll_num;   // Method to show student information   showStdInf...

Hello everyone, Understanding GridView in Flutter A GridView in Flutter acts like a table or grid, allowing us to neatly present items in rows and columns. It's a handy way to display various elements within a tabular layout, making it easy for users to interact with and select items. What Exactly is a GridView? Layout Organizer: Picture a grid paper divided into rows and columns. Each square of this grid can hold different things—text, pictures, icons, or anything you want to display. Two-Dimensional Display: The GridView displays items in a two-dimensional array, meaning it arranges elements both horizontally and vertically. User Interaction: Users can tap or select items within this grid layout, enabling them to interact with your app by choosing specific items of interest. Why Choose a GridView? Organized Presentation: It's perfect for organizing and showcasing numerous items in an orderly manner, like a photo gallery, product catalog, or a list of options. User-Friendly: H...