matifdeveloper

import 'package:flutter/material.dart';

class DottedBorder extends StatelessWidget {
  final double strokeWidth;
  final Color color;
  final double dashLength;
  final double dashGap;
  final Shape shape;
  final Widget child;

matifdeveloper

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

matifdeveloper

import 'dart:async';

void main() async {
  var stopWatch = Stopwatch();

  stopWatch.start();

  await Future.delayed(const Duration(seconds: 2), () {});

  stopWatch.stop();

matifdeveloper

import 'dart:async';

void main() {
  // Create a StreamController with integers
  StreamController<int> streamController = StreamController<int>();

  // Create a stream from the controller
  Stream<int> stream = streamController.stream;

  // Add a listener to the stream

matifdeveloper

void main() {
  // Assuming the current year is 2024
  int currentYear = 2024;

  // Age input
  int age = 4;

  // Calculate birth year
  int birthYear = currentYear - age;

matifdeveloper

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

matifdeveloper

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

matifdeveloper

void main() {
  String path = "assets/images/abc.svg";

  String file = path.fileExtension();

  print("File extension: $file");
}

extension StringExtension on String {
  String fileExtension() {

matifdeveloper

class ChatsModel {
  int? id;
  String? title;
  String chatName;
  String chatType;
  String icon;
  bool isPinned;

  ChatsModel({this.id, this.title, required this.chatName, required this.chatType, required this.icon, required this.isPinned});
}

matifdeveloper

extension StringExtension on String {
  String? getTextInsideBrackets() {
    RegExp regExp = RegExp(r'\[([^\]]*)\]');
    RegExpMatch? match = regExp.firstMatch(this);

    return match?.group(1);
  }
}

void main() {