mobile-flutter/covas_mobile/lib/pages/EditSettings.dart

import 'package:covas_mobile/classes/MyDrawer.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'dart:convert';
import 'dart:io';

import '../classes/MyDrawer.dart';

import '../classes/alert.dart';
import '../classes/eventAdded.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: EditSettings(),
    );
  }
}

class EditSettings extends StatefulWidget {
  const EditSettings({super.key});

  @override
  _EditProfileState createState() => _EditProfileState();
}

class _EditProfileState extends State<EditSettings>
    with ShowAlertDialog, ShowEventDialog {
  TextEditingController inputUserName = TextEditingController();
  int? kilometer;

  Future<void> getParameter() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    setState(() {
      var kilometer = prefs.getDouble("kilometer")?.toInt() ?? null;
    });
  }

  Future<void> setParameter() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    if (kilometer != null) {
      prefs.setDouble("kilometer", kilometer?.toDouble() ?? 50);
      showAlertDialog(context, "Update", "Mise à jour des paramètres");
    }
  }

  @override
  void initState() {
    super.initState();
    getParameter();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        backgroundColor: Colors.white,
        appBar: AppBar(
          title: Text("Settings"),
          backgroundColor: Colors.blue,
          foregroundColor: Colors.white,
        ),
        drawer: MyDrawer(),
        body: Form(
          child: SingleChildScrollView(
            child: Column(
              children: <Widget>[
                Padding(
                  padding: const EdgeInsets.only(
                    left: 15.0,
                    right: 15.0,
                    top: 15.0,
                    bottom: 0.0,
                  ),
                  child: DropdownButtonFormField<int>(
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      labelText: 'Define kilometer',
                    ),
                    value:
                        kilometer, // Set the initial selected value here, or leave as `null` if unselected.
                    items: [
                      DropdownMenuItem(
                        value: 5,
                        child: Text('5km'),
                      ),
                      DropdownMenuItem(
                        value: 25,
                        child: Text('25km'),
                      ),
                      DropdownMenuItem(
                        value: 50,
                        child: Text('50km'),
                      ),
                      DropdownMenuItem(
                        value: 75,
                        child: Text('75km'),
                      ),
                      DropdownMenuItem(
                        value: 100,
                        child: Text('100km'),
                      ),
                    ],
                    onChanged: (int? newValue) {
                      // Handle selection
                      kilometer = newValue;
                    },
                  ),
                ),
                SizedBox(
                  height: 30,
                ),
                Container(
                  height: 50,
                  width: 250,
                  decoration: BoxDecoration(
                      color: Colors.blue,
                      borderRadius: BorderRadius.circular(20)),
                  child: TextButton(
                    onPressed: () {},
                    child: Text(
                      'Mettre à jour les paramètres',
                      style: TextStyle(color: Colors.white, fontSize: 25),
                    ),
                  ),
                )
              ],
            ),
          ),
        ));
  }
}