|
import 'package:flutter/material.dart'; |
|
import 'package:shared_preferences/shared_preferences.dart'; |
|
|
|
void main() { |
|
runApp( |
|
MaterialApp( |
|
debugShowCheckedModeBanner: false, |
|
home: QuranScreen(), |
|
), |
|
); |
|
} |
|
|
|
class QuranScreen extends StatelessWidget { |
|
const QuranScreen({Key? key}) : super(key: key); |
|
|
|
void saveData() async { |
|
SharedPreferences preferences = await SharedPreferences.getInstance(); |
|
await preferences.setString("name", "Omar"); |
|
await preferences.setString("Ui color", "Blue"); |
|
await preferences.setBool("Dark Theme", false); |
|
await preferences.setInt("undo count", 30); |
|
|
|
var name = preferences.getString("name"); |
|
print(name); |
|
|
|
var username = preferences.getString("username") ?? "not found"; |
|
print(username); |
|
|
|
// remove with key |
|
preferences.remove("name"); |
|
|
|
// // clear all preferences |
|
// preferences.clear(); |
|
} |
|
|
|
void saveLogged() async { |
|
SharedPreferences preferences = await SharedPreferences.getInstance(); |
|
preferences.setBool("loggedIn", true); |
|
} |
|
|
|
void checkLogged() async { |
|
SharedPreferences preferences = await SharedPreferences.getInstance(); |
|
var loggedIn = preferences.getBool("loggedIn") ?? false; |
|
print(loggedIn); |
|
} |
|
|
|
void logOut() async { |
|
SharedPreferences preferences = await SharedPreferences.getInstance(); |
|
preferences.clear(); |
|
} |
|
|
|
@override |
|
Widget build(BuildContext context) { |
|
return Scaffold( |
|
appBar: AppBar(), |
|
body: Column( |
|
children: [ |
|
ElevatedButton(onPressed: saveData, child: Text("Save data")), |
|
ElevatedButton(onPressed: saveLogged, child: Text("save logged")), |
|
ElevatedButton(onPressed: checkLogged, child: Text("check logged")), |
|
ElevatedButton(onPressed: logOut, child: Text("logOut")), |
|
], |
|
), |
|
); |
|
} |
|
} |