extremely simplyfied code

Frontend-user/lib/expand.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+//this was used in a earlier version of the app and will possibly be removed in future versions.
+
 class Expand extends StatefulWidget {
   final Widget child;
   final bool expand;

Frontend-user/lib/finance.dart

@@ -24,15 +24,8 @@ class Transaction {
   Transaction(this.art, this.betrag, this.datum, this.beschreibung);
 }
 
-class Finance extends StatefulWidget {
-  const Finance({super.key});
-
-  @override
-  State<Finance> createState() => _Finance();
-}
-
 //sample data
-class _Finance extends State<Finance> {
+class Finance extends StatelessWidget {
   final List<Transaction> transactions = [
     Transaction(Art.monatlBeitrag, 0, now, ''),
     Transaction(Art.aufladung, 2042, now, ''),
@@ -61,6 +54,8 @@ class _Finance extends State<Finance> {
         'Korrektur des Warenkorbs')
   ];
 
+  Finance({super.key});
+
   @override
   Widget build(BuildContext context) {
     initializeDateFormatting('de_DE');
@@ -76,7 +71,6 @@ class _Finance extends State<Finance> {
                   children: [
                     Icon(
                       Icons.euro,
-                      //color: Colors.black,
                       //semanticLabel: 'Text for screenreader',
                     ),
                     Column(
@@ -106,8 +100,12 @@ class _Finance extends State<Finance> {
                   onTap: () {
                     transactions[index].elevated =
                         !transactions[index].elevated;
-                    setState(() {});
+                    showBottomSheet(
-                    debugPrint('Card tapped');
+                        context: context,
+                        builder: (BuildContext context) {
+                          return SizedBox.expand(
+                              child: Text(transactions[index].beschreibung));
+                        });
                   },
                   child: Padding(
                     padding: const EdgeInsets.all(8.0),
@@ -119,19 +117,11 @@ class _Finance extends State<Finance> {
                             : Icons.money),
                         Column(
                           children: [
-                            Row(
+                            Text(
-                              children: [
+                                DateFormat("EEEE, dd. MMMM yyyy HH:mm", 'de_DE')
-                                Text(DateFormat(
-                                        "EEEE, dd. MMMM yyyy HH:mm", 'de_DE')
                                     .format(now)),
-                                Text(
+                            Text(
-                                    '${transactions[index].art}:  ${transactions[index].betrag / 100}€'),
+                                '${transactions[index].art}:  ${transactions[index].betrag / 100}€')
-                              ],
-                            ),
-                            if (transactions[index].beschreibung != '')
-                              Expand(
-                                  expand: transactions[index].elevated,
-                                  child: Text(transactions[index].beschreibung))
                           ],
                         ),
                       ],

Frontend-user/lib/main.dart

@@ -81,7 +81,7 @@ class _MyHomePageState extends State<MyHomePage> {
           alignment: Alignment.center,
           child: Text('Page $test'),
         ),
-        const Finance(),
+        Finance(),
         const Text(
             'Hier könnten Einstellungen zu Darkmode mit shared_preferences und riverpod sein')
       ][currentPageIndex],