Top 5 Flutter Packages that you need to add to your Flutter Project RIGHT NOW.

// Obtain shared preferences.final prefs = await SharedPreferences.getInstance();// the first parameter is called key and second parameter is its value// to save integerawait prefs.setInt('counter', 10);// to save booleanawait prefs.setBool('value', true);// to save doubleawait prefs.setDouble('decimal', 1.5);// to save stringawait prefs.setString('action', 'Start');// to save list of stringsawait prefs.setStringList('list', <String>['Earth', 'Moon', 'Sun']);

// Try reading data from the 'counter' key. If it doesn't exist, returns null.final int? counter = prefs.getInt('counter');// same goes to all the other data types

// Remove data for the 'counter' key.final success = await prefs.remove('counter');

// import the packageimport 'package:http/http.dart' as http;// call the url var url = Uri.https('example.com', 'whatsit/create');// get the responsevar response = await http.post(url, body: {'name': 'doodle', 'color': 'blue'});// get the response status code and bodyprint('Response status: ${response.statusCode}');print('Response body: ${response.body}');

import 'package:flutter/material.dart';import 'package:go_router/go_router.dart';void main() => runApp(App());class App extends StatelessWidget {  App({Key? key}) : super(key: key);@override  Widget build(BuildContext context) {    return MaterialApp.router(      routerConfig: _router,      title: 'GoRouter Example',    );  }final GoRouter _router = GoRouter(    routes: <GoRoute>[      GoRoute(        path: '/',        builder: (BuildContext context, GoRouterState state) {          return ScreenA();        },      ),      GoRoute(        path: '/page1',        builder: (BuildContext context, GoRouterState state) {          return ScreenB();        },      ),    ],  );}

import 'package:google_fonts/google_fonts.dart';// using with default textstyleText(  'This is Google Fonts',  style: GoogleFonts.lato(),),// load font dynamicallyText(  'This is Google Fonts',  style: GoogleFonts.getFont('Lato'),),// using with exisiting text styleText(  'This is Google Fonts',  style: GoogleFonts.lato(    textStyle: TextStyle(color: Colors.blue, letterSpacing: .5),  ),),Text(  'This is Google Fonts',  style: GoogleFonts.lato(textStyle: Theme.of(context).textTheme.headline4),),// override the fontSize, fontWeight, fontstyleText(  'This is Google Fonts',  style: GoogleFonts.lato(    textStyle: Theme.of(context).textTheme.headline4,    fontSize: 48,    fontWeight: FontWeight.w700,    fontStyle: FontStyle.italic,  ),),

theme: ThemeData(  fontFamily: "Lato",  textTheme: GoogleFonts.latoTextTheme(),),

CachedNetworkImage(        imageUrl: "http://via.placeholder.com/350x150",        placeholder: (context, url) => CircularProgressIndicator(),        errorWidget: (context, url, error) => Icon(Icons.error),     ),