We need to import a external package 'package:crypto/crypto.dart' and a dart built-in library 'dart:convert' . Now lets see the code for encrypting a text import…
First we have to initialize routes. Let’s check the code : void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); //…
Flutter is a powerful framework for building cross-platform apps with a reactive UI. One of its core concepts is state management, and setState is the…
We use where() method with collections (like list, set ..) to filter out that collection elements. A where() method returns a new iterable which satisfies…
Through SharedPreferences we can store and retrieve key value pair even after closing the app. The key-value pair stored through SharedPreferences are not deleted after…
replaceAll() is a string method. It is used to replace all occurrences of the specified substring inside a string with another substring. Syntax:actualString.replaceAll( oldSubstring, newSubstring…
The ‘late‘ keyword is used to declare non-nullable variables before their initialization. But that initialization will be done before that variable is accessed. Lets understand…
