chaudharydeepanshu

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override

chaudharydeepanshu

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, this.themeMode, this.onThemeMode})
      : super(key: key);

  final ThemeMode? themeMode; //
  final ValueChanged<ThemeMode>? onThemeMode; //

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

chaudharydeepanshu

import 'package:flutter/material.dart';

class CustomDrawer extends StatefulWidget {
  const CustomDrawer({
    Key? key,
    required this.themeMode,
    required this.onThemeMode,
  }) : super(key: key);
  final ThemeMode? themeMode;
  final ValueChanged<ThemeMode>? onThemeMode;

chaudharydeepanshu

class _MyAppState extends State<MyApp> {
  //Keeps track of theme
  late ThemeMode? themeMode = widget.savedThemeMode;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',

      //Add themeMode as themeMode

chaudharydeepanshu

class MyApp extends StatefulWidget {
  const MyApp({Key? key, this.savedThemeMode}) : super(key: key);

  final ThemeMode? savedThemeMode;

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {

chaudharydeepanshu

class MyApp extends StatelessWidget {
  const MyApp({Key? key, this.savedThemeMode}) : super(key: key);

  final ThemeMode? savedThemeMode;
  
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      

chaudharydeepanshu

import 'package:flutter/material.dart';
import 'package:flutter_dark_mode_demo/sharedPreferences/app_theme_shared_preferences.dart';

Future<void> main() async {
  WidgetsBinding widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
  int? retrieveSavedThemeModeIndex = await retrieveSavedThemeMode();
  final ThemeMode savedThemeMode = retrieveSavedThemeModeIndex == 0
      ? ThemeMode.system
      : retrieveSavedThemeModeIndex == 1
          ? ThemeMode.light

chaudharydeepanshu

import 'package:shared_preferences/shared_preferences.dart';

Future<int?> retrieveSavedThemeMode() async {
  final prefs = await SharedPreferences.getInstance();
  // Check where the name is saved before or not
  if (!prefs.containsKey('savedThemeModeIndex')) {
    //if not return zero for ThemeMode.System
    return 0;
  }
  //else return the saved theme

chaudharydeepanshu

Dart       18 hrs 40 mins ███████████████████▊░  94.5%
TypeScript 31 mins        ▌░░░░░░░░░░░░░░░░░░░░   2.6%
Ezhil      13 mins        ▏░░░░░░░░░░░░░░░░░░░░   1.2%
JavaScript 10 mins        ▏░░░░░░░░░░░░░░░░░░░░   0.9%
YAML       7 mins         ▏░░░░░░░░░░░░░░░░░░░░   0.7%

chaudharydeepanshu

import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/services.dart';

// Platform messages are asynchronous, so we initialize in an async method.
Future<ConnectivityResult?> initConnectivity(
    {required Connectivity connectivity}) async {
  // Platform messages may fail, so we use a try/catch PlatformException.
  try {
    return await connectivity.checkConnectivity();