diff --git a/android/app/build.gradle b/android/app/build.gradle
index 993c251..b2c4977 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -47,10 +47,11 @@ android {
         applicationId "com.example.demoapp"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
     buildTypes {
diff --git a/android/app/google-services.json b/android/app/google-services.json
new file mode 100644
index 0000000..e9032e0
--- /dev/null
+++ b/android/app/google-services.json
@@ -0,0 +1,46 @@
+{
+  "project_info": {
+    "project_number": "576683162451",
+    "project_id": "gemeinde-trommler",
+    "storage_bucket": "gemeinde-trommler.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:576683162451:android:b792a81fceafa932083fa6",
+        "android_client_info": {
+          "package_name": "com.example.demoapp"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "576683162451-pl7mb5k00rj5dhg3krqcqh8bpvn8ijbq.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAWjSjX1f2rGUGHLbXQS873DYY_oXqcHhs"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "576683162451-pl7mb5k00rj5dhg3krqcqh8bpvn8ijbq.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "576683162451-vf1g0qoge66lb3bmpsg4neckv4opovub.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "com.example.demoapp"
+              }
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file
diff --git a/ios/Runner/GoogleService-Info.plist b/ios/Runner/GoogleService-Info.plist
new file mode 100644
index 0000000..5ef6bbd
--- /dev/null
+++ b/ios/Runner/GoogleService-Info.plist
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CLIENT_ID</key>
+	<string>576683162451-vf1g0qoge66lb3bmpsg4neckv4opovub.apps.googleusercontent.com</string>
+	<key>REVERSED_CLIENT_ID</key>
+	<string>com.googleusercontent.apps.576683162451-vf1g0qoge66lb3bmpsg4neckv4opovub</string>
+	<key>API_KEY</key>
+	<string>AIzaSyDV441PhkPEC7igZmYMpJ_axLMc2bKQ5fY</string>
+	<key>GCM_SENDER_ID</key>
+	<string>576683162451</string>
+	<key>PLIST_VERSION</key>
+	<string>1</string>
+	<key>BUNDLE_ID</key>
+	<string>com.example.demoapp</string>
+	<key>PROJECT_ID</key>
+	<string>gemeinde-trommler</string>
+	<key>STORAGE_BUCKET</key>
+	<string>gemeinde-trommler.appspot.com</string>
+	<key>IS_ADS_ENABLED</key>
+	<false></false>
+	<key>IS_ANALYTICS_ENABLED</key>
+	<false></false>
+	<key>IS_APPINVITE_ENABLED</key>
+	<true></true>
+	<key>IS_GCM_ENABLED</key>
+	<true></true>
+	<key>IS_SIGNIN_ENABLED</key>
+	<true></true>
+	<key>GOOGLE_APP_ID</key>
+	<string>1:576683162451:ios:2fd841a4b4ca70d5083fa6</string>
+</dict>
+</plist>
\ No newline at end of file
diff --git a/ios/firebase_app_id_file.json b/ios/firebase_app_id_file.json
new file mode 100644
index 0000000..2f82506
--- /dev/null
+++ b/ios/firebase_app_id_file.json
@@ -0,0 +1,7 @@
+{
+  "file_generated_by": "FlutterFire CLI",
+  "purpose": "FirebaseAppID & ProjectID for this Firebase app in this directory",
+  "GOOGLE_APP_ID": "1:576683162451:ios:2fd841a4b4ca70d5083fa6",
+  "FIREBASE_PROJECT_ID": "gemeinde-trommler",
+  "GCM_SENDER_ID": "576683162451"
+}
\ No newline at end of file
diff --git a/lib/AddPage.dart b/lib/AddPage.dart
index 422d66d..7049861 100644
--- a/lib/AddPage.dart
+++ b/lib/AddPage.dart
@@ -1,7 +1,10 @@
 import 'dart:io';
 
+import 'package:firebase_storage/firebase_storage.dart';
 import 'package:flutter/material.dart';
 import 'package:image_picker/image_picker.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
+
 
 class AddScreen extends StatefulWidget {
   @override
@@ -24,6 +27,23 @@ class _AddScreenState extends State<AddScreen> {
     }
   }
 
+
+  Future<void> addNewElementToFirestore(String title, String description, File imageFile) async {
+    // Zunächst das Bild in Firebase Storage speichern
+    Reference ref = FirebaseStorage.instance.ref().child("images/${DateTime.now().toString()}");
+    UploadTask uploadTask = ref.putFile(imageFile);
+    String imageUrl = await (await uploadTask).ref.getDownloadURL();
+
+    // Das neue Element in der Firestore-Sammlung "Issues" speichern
+    await FirebaseFirestore.instance.collection("Issues").add({
+      "title": title,
+      "description": description,
+      "imageUrl": imageUrl,
+      "createdDate": DateTime.now(),
+    });
+  }
+
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -47,10 +67,15 @@ class _AddScreenState extends State<AddScreen> {
             padding: const EdgeInsets.only(right: 8.0),
             child: IconButton(
               icon: Icon(Icons.check),
-              onPressed: () {
-                if (_formKey.currentState!.validate()) {
-                  // Hier wird die Logik zum Hinzufügen des neuen Elements ausgeführt
-                  Navigator.pop(context);
+              onPressed: () async {
+                if (_formKey.currentState!.validate() && _imageFile != null) {
+                  try {
+                    await addNewElementToFirestore(_titleController.text, _descriptionController.text, _imageFile!);
+                    Navigator.pop(context);
+                  } catch (e) {
+                    print(e);
+                    // Fehlerbehandlung hier
+                  }
                 }
               },
             ),
diff --git a/lib/UserDefinedList.dart b/lib/UserDefinedList.dart
index 2b44801..beca511 100644
--- a/lib/UserDefinedList.dart
+++ b/lib/UserDefinedList.dart
@@ -1,18 +1,20 @@
 import 'package:flutter/material.dart';
-
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'DetailPage.dart';
 
+
+
 class UserDefinedItem extends StatelessWidget {
   final String title;
   final String description;
   final Image? image;
 
+
   const UserDefinedItem({super.key,
     required this.title,
     required this.description,
     this.image,
   });
-
   @override
   Widget build(BuildContext context) {
     String shortDescription = "${description.substring(0, 30)}...";
diff --git a/lib/firebase_options.dart b/lib/firebase_options.dart
new file mode 100644
index 0000000..76b0ef2
--- /dev/null
+++ b/lib/firebase_options.dart
@@ -0,0 +1,76 @@
+// File generated by FlutterFire CLI.
+// ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
+import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;
+import 'package:flutter/foundation.dart'
+    show defaultTargetPlatform, kIsWeb, TargetPlatform;
+
+/// Default [FirebaseOptions] for use with your Firebase apps.
+///
+/// Example:
+/// ```dart
+/// import 'firebase_options.dart';
+/// // ...
+/// await Firebase.initializeApp(
+///   options: DefaultFirebaseOptions.currentPlatform,
+/// );
+/// ```
+class DefaultFirebaseOptions {
+  static FirebaseOptions get currentPlatform {
+    if (kIsWeb) {
+      return web;
+    }
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+        return android;
+      case TargetPlatform.iOS:
+        return ios;
+      case TargetPlatform.macOS:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for macos - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      case TargetPlatform.windows:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for windows - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      case TargetPlatform.linux:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions have not been configured for linux - '
+          'you can reconfigure this by running the FlutterFire CLI again.',
+        );
+      default:
+        throw UnsupportedError(
+          'DefaultFirebaseOptions are not supported for this platform.',
+        );
+    }
+  }
+
+  static const FirebaseOptions web = FirebaseOptions(
+    apiKey: 'AIzaSyBmdRrWkqosCAtlOeqs-G-4oWAvwLt3KnQ',
+    appId: '1:576683162451:web:71c67b5ef44ab7c1083fa6',
+    messagingSenderId: '576683162451',
+    projectId: 'gemeinde-trommler',
+    authDomain: 'gemeinde-trommler.firebaseapp.com',
+    storageBucket: 'gemeinde-trommler.appspot.com',
+    measurementId: 'G-ZH37BQ8679',
+  );
+
+  static const FirebaseOptions android = FirebaseOptions(
+    apiKey: 'AIzaSyAWjSjX1f2rGUGHLbXQS873DYY_oXqcHhs',
+    appId: '1:576683162451:android:b792a81fceafa932083fa6',
+    messagingSenderId: '576683162451',
+    projectId: 'gemeinde-trommler',
+    storageBucket: 'gemeinde-trommler.appspot.com',
+  );
+
+  static const FirebaseOptions ios = FirebaseOptions(
+    apiKey: 'AIzaSyDV441PhkPEC7igZmYMpJ_axLMc2bKQ5fY',
+    appId: '1:576683162451:ios:2fd841a4b4ca70d5083fa6',
+    messagingSenderId: '576683162451',
+    projectId: 'gemeinde-trommler',
+    storageBucket: 'gemeinde-trommler.appspot.com',
+    iosClientId: '576683162451-vf1g0qoge66lb3bmpsg4neckv4opovub.apps.googleusercontent.com',
+    iosBundleId: 'com.example.demoapp',
+  );
+}
diff --git a/lib/main.dart b/lib/main.dart
index f297fd7..6a451e2 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -2,9 +2,19 @@
 import 'package:flutter/material.dart';
 
 import 'home.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'firebase_options.dart';
 
-void main() {
+// ...
+
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp(
+    options: DefaultFirebaseOptions.currentPlatform,
+  );
   runApp(const MyApp());
+
 }
 
 class MyApp extends StatelessWidget {
diff --git a/pubspec.lock b/pubspec.lock
index b8d192d..110783f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _flutterfire_internals:
+    dependency: transitive
+    description:
+      name: _flutterfire_internals
+      sha256: f175bc1414e4edf8c5b83372c98eeabecf8353f39c9da423c2cfdf1f1f508788
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   async:
     dependency: transitive
     description:
@@ -33,6 +41,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      sha256: f5431cf41ab5c5e9c64e03ac2af103e10be22bf89020f394130c04b81add0010
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.1"
+  cloud_firestore_platform_interface:
+    dependency: transitive
+    description:
+      name: cloud_firestore_platform_interface
+      sha256: "29349a0687bc31290ab81d1de2b1cdadb40d0ea3ab30d247323c6c5be0d4c6fc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.12.0"
+  cloud_firestore_web:
+    dependency: transitive
+    description:
+      name: cloud_firestore_web
+      sha256: "228f1944fb3c61ddf5de3647ec5b6ed88d6aacb0a4d485ef597c1211fe98ef8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.4.1"
   collection:
     dependency: transitive
     description:
@@ -65,6 +97,78 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  firebase_auth:
+    dependency: "direct main"
+    description:
+      name: firebase_auth
+      sha256: e5254a39daab8c5bc76b17f5a161c11a7a97a3718cd314f460e2b4366c850c7d
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.4.1"
+  firebase_auth_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_auth_platform_interface
+      sha256: "5d5f283517ba34afd69ef448cc81ea23bcf8887393bedae4f70f45060b045fb9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.13.0"
+  firebase_auth_web:
+    dependency: transitive
+    description:
+      name: firebase_auth_web
+      sha256: c631ec90d05c990fe971774ff12e96ee88fc3dd22839d5cab3b04c8693859116
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.1"
+  firebase_core:
+    dependency: "direct main"
+    description:
+      name: firebase_core
+      sha256: ed611fb8e67e43ecc7956f242cecca383d87cf71aace27287aa5dd4bdba4ac07
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.9.0"
+  firebase_core_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_core_platform_interface
+      sha256: "0df0a064ab0cad7f8836291ca6f3272edd7b83ad5b3540478ee46a0849d8022b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.6.0"
+  firebase_core_web:
+    dependency: transitive
+    description:
+      name: firebase_core_web
+      sha256: "347351a8f0518f3343d79a9a0690fa67ad232fc32e2ea270677791949eac792b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  firebase_storage:
+    dependency: "direct main"
+    description:
+      name: firebase_storage
+      sha256: a27909491c25acef90acc932be4d87bafb9d33fb98678edd2f81eaec9568a109
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.1.0"
+  firebase_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_storage_platform_interface
+      sha256: f254e064890df4ee588f10bea06d679e047018910451a4bc3c529b9791adb0a9
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  firebase_storage_web:
+    dependency: transitive
+    description:
+      name: firebase_storage_web
+      sha256: b6d3c104fecafdce5fe1795306d33856c9a11fa76f73fe7eb062430fc151d686
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.4.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -82,10 +186,10 @@ packages:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      sha256: "4bef634684b2c7f3468c77c766c831229af829a0cd2d4ee6c1b99558bd14e5d2"
+      sha256: c224ac897bed083dabf11f238dd11a239809b446740be0c2044608c50029ffdf
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.8"
+    version: "2.0.9"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -116,34 +220,34 @@ packages:
     dependency: "direct main"
     description:
       name: image_picker
-      sha256: "22207768556b82d55ec70166824350fee32298732d5efa4d6e756f848f51f66a"
+      sha256: "8b0efbf350ba4f2be1531d629396a994983d0c02f4a82a128aed84d954b90cfa"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.6+3"
+    version: "0.8.7+2"
   image_picker_android:
     dependency: transitive
     description:
       name: image_picker_android
-      sha256: "68d067baf7f6e401b1124ee83dd6967e67847314250fd68012aab34a69beb344"
+      sha256: dfb5b0f28b8786fcc662b7ed42bfb4b82a6cbbd74da1958384b10d40bdf212a7
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.5+7"
+    version: "0.8.6+6"
   image_picker_for_web:
     dependency: transitive
     description:
       name: image_picker_for_web
-      sha256: "66fc6e3877bbde82c33d122f3588777c3784ac5bd7d1cdd79213ef7aecb85b34"
+      sha256: "98f50d6b9f294c8ba35e25cc0d13b04bfddd25dbc8d32fa9d566a6572f2c081c"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.11"
+    version: "2.1.12"
   image_picker_ios:
     dependency: transitive
     description:
       name: image_picker_ios
-      sha256: "39aa70b5f1e5e7c94585b9738632d5fdb764a5655e40cd9e7b95fbd2fc50c519"
+      sha256: a1546ff5861fc15812953d4733b520c3d371cec3d2859a001ff04c46c4d81883
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.6+9"
+    version: "0.8.7+3"
   image_picker_platform_interface:
     dependency: transitive
     description:
@@ -152,6 +256,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.6.3"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      sha256: "910f85bce16fb5c6f614e117efa303e85a1731bb0081edf3604a2ae6e9a3cc91"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.17.0"
   js:
     dependency: transitive
     description:
@@ -279,4 +391,4 @@ packages:
     version: "2.1.4"
 sdks:
   dart: ">=2.18.2 <3.0.0"
-  flutter: ">=3.0.0"
+  flutter: ">=3.3.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index a833461..47a95fe 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -37,6 +37,10 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   image_picker: ^0.8.6+3
+  firebase_core: ^2.9.0
+  firebase_auth: ^4.4.1
+  firebase_storage: ^11.1.0
+  cloud_firestore: ^4.5.1
 
 dev_dependencies:
   flutter_test: