added send file to server function

lib/other/intro_screen.dart

@@ -0,0 +1,169 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+class IntroScreen extends StatefulWidget {
+  const IntroScreen({super.key});
+
+  @override
+  State<IntroScreen> createState() => _IntroScreenState();
+}
+
+class _IntroScreenState extends State<IntroScreen> {
+  TextEditingController addresse1C = TextEditingController();
+  TextEditingController bLandC = TextEditingController();
+  TextEditingController apiAddress = TextEditingController();
+
+  Future<void> _saveData() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    await prefs.setString('addresse1', addresse1C.text);
+    await prefs.setString('bLand', bLandC.text);
+    await prefs.setBool('isFirstLaunch', false);
+    await prefs.setString('apiAddress', apiAddress.text);
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _loadPrefs();
+  }
+
+  void _loadPrefs() {
+    Future.delayed(Duration.zero, () async {
+      SharedPreferences prefs = await SharedPreferences.getInstance();
+      setState(() {
+        apiAddress.text = prefs.getString('apiAddress') ?? "";
+        addresse1C.text = prefs.getString('addresse1') ?? "";
+        bLandC.text = prefs.getString('bLand') ?? "";
+      });
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('FFOrte'),
+      ),
+      body: Center(
+        child: Container(
+          padding: const EdgeInsets.all(31),
+          child: Column(
+            children: [
+              TextField(
+                decoration: InputDecoration(
+                    hintText: AppLocalizations.of(context)!.benutzername),
+                controller: addresse1C,
+                onChanged: (value) => setState(() {
+                  addresse1C.text = value;
+                }),
+              ),
+              const SizedBox(
+                height: 15,
+              ),
+              Column(
+                children: [
+                  DropdownButton(
+                    hint: Text(bLandC.text),
+                    items: const [
+                      DropdownMenuItem(
+                        value: 'Baden-Württemberg',
+                        child: Text('Baden-Württemberg'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Bayern',
+                        child: Text('Bayern'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Berlin',
+                        child: Text('Berlin'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Brandenburg',
+                        child: Text('Brandenburg'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Bremen',
+                        child: Text('Bremen'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Hamburg',
+                        child: Text('Hamburg'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Hessen',
+                        child: Text('Hessen'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Mecklenburg-Vorpommern',
+                        child: Text('Mecklenburg-Vorpommern'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Niedersachsen',
+                        child: Text('Niedersachsen'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Nordrhein-Westfalen',
+                        child: Text('Nordrhein-Westfalen'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Rheinland-Pfalz',
+                        child: Text('Rheinland-Pfalz'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Saarland',
+                        child: Text('Saarland'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Sachsen',
+                        child: Text('Sachsen'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Sachsen-Anhalt',
+                        child: Text('Sachsen-Anhalt'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Schleswig-Holstein',
+                        child: Text('Schleswig-Holstein'),
+                      ),
+                      DropdownMenuItem(
+                        value: 'Thüringen',
+                        child: Text('Thüringen'),
+                      ),
+                    ],
+                    onChanged: (value) {
+                      setState(() {
+                        bLandC.text = value!;
+                      });
+                    },
+                  ),
+                  TextField(
+                    controller: bLandC,
+                  ),
+                  const SizedBox(
+                    height: 15,
+                  ),
+                  TextField(
+                    decoration: InputDecoration(
+                        hintText: AppLocalizations.of(context)!.apiaddress),
+                    controller: apiAddress,
+                  )
+                ],
+              ),
+              const SizedBox(
+                height: 15,
+              ),
+              ElevatedButton(
+                  onPressed: () {
+                    _saveData();
+                    Navigator.pushNamedAndRemoveUntil(
+                        context, '/home', (route) => false);
+                  },
+                  child: Text(AppLocalizations.of(context)!.continueB))
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}