together_mobile/lib/models/token_model.dart

import 'package:flutter/material.dart';

import 'package:shared_preferences/shared_preferences.dart';

class Token extends ChangeNotifier {
  String token = '';
  SharedPreferences? prefs;

  Future<void> init() async {
    prefs = await SharedPreferences.getInstance();
    String? localToken = prefs!.getString('token');
    if (localToken != null) {
      token = localToken;
    }
  }

  Future<void> updateToken(String newToken) async {
    await prefs!.setString('token', newToken);
    token = newToken;
  }

  Future<void> clear() async {
    await prefs!.remove('token');
    token = '';
  }
}