back button to appbar, added round add button to add entries

lib/pages/main_page.dart

@@ -38,22 +38,37 @@ class MyHomePageState extends State<MyHomePage> {
 
   @override
   Widget build(BuildContext context) {
-    var settingsModel = context.watch<SettingsProvider>();
+    var settingsProvider = context.watch<SettingsProvider>();
-    var tasksModel = context.watch<TasksProvider>();
+    var tasksProvider = context.watch<TasksProvider>();
-    _isConfigured = settingsModel.initialized;
+    PageProvider pageProvider = context.watch<PageProvider>();
+
+    _isConfigured = settingsProvider.initialized;
     return Scaffold(
       appBar: AppBar(
-          title: Text(
+          title: Row(
-              '${pages.values.elementAt(_selectedIndex)['title']} ${_isConfigured ? "Gruppe ${settingsModel.settings?.group}" : ""}')),
+        children: [
-      body: SingleChildScrollView(
+          Stack(
-        child: pages.values.elementAt(_selectedIndex)['page'],
+            children: [
+              const SizedBox(
+                width: 70,
               ),
+              if (pageProvider.showForm)
+                IconButton(
+                    icon: const Icon(Icons.arrow_back, color: Colors.white),
+                    onPressed: pageProvider.swap),
+            ],
+          ),
+          Text(
+              '${pages.values.elementAt(_selectedIndex)['title']} ${_isConfigured ? "Gruppe ${settingsProvider.settings?.group}" : ""}')
+        ],
+      )),
+      body: pages.values.elementAt(_selectedIndex)['page'],
       bottomNavigationBar: NavigationBar(
           onDestinationSelected: _onItemTapped,
           selectedIndex: _selectedIndex,
           destinations: pages.keys.map((key) {
             return NavigationDestination(
-                icon: tasksModel.tasks[key] ?? false
+                icon: tasksProvider.tasks[key] ?? false
                     ? MyToDoIcon(pages[key]?['icon'])
                     : pages[key]!['icon'],
                 label: pages[key]?['title']);

lib/widgets/round_button_widget.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class RoundAddButton extends StatelessWidget {
+  final VoidCallback onPressed;
+
+  const RoundAddButton({super.key, required this.onPressed});
+
+  @override
+  Widget build(BuildContext context) {
+    return ElevatedButton(
+      onPressed: onPressed,
+      style: ElevatedButton.styleFrom(
+        shape: const CircleBorder(),
+        padding: const EdgeInsets.all(20),
+        backgroundColor: Colors.green, // <-- Button color
+        foregroundColor: Colors.blue, // <-- Splash color
+      ),
+      child: const Icon(Icons.add_outlined, color: Colors.white),
+    );
+  }
+}

lib/widgets/view_form_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:smoke_cess_app/services/pages_service.dart';
+import 'package:smoke_cess_app/widgets/round_button_widget.dart';
 import '../providers/input_provider.dart';
 import '../providers/page_provider.dart';
 import '../providers/tasks_provider.dart';
@@ -17,25 +18,20 @@ class ViewFormPage extends StatelessWidget {
   Widget build(BuildContext context) {
     PageProvider pageProvider = context.watch<PageProvider>();
     TasksProvider tasksProvider = context.watch<TasksProvider>();
-    return Wrap(children: [
+    return Column(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
-      Align(
-        alignment: Alignment.topLeft,
-        child: IconButton(
-          icon: pageProvider.showForm
-              ? const Icon(Icons.arrow_back, color: Colors.black)
-              : const Icon(Icons.add_outlined, color: Colors.black),
-          onPressed: tasksProvider.tasks[page] ?? true
-              ? pageProvider.swap
-              : () => showTaskDonePopup(context, page),
-        ),
-      ),
       pageProvider.showForm
           ? Center(
               child: ChangeNotifierProvider(
               create: (context) => InputProvider(),
               child: form,
             ))
-          : Center(child: view)
+          : Center(child: view),
+      if (!pageProvider.showForm)
+        RoundAddButton(
+          onPressed: tasksProvider.tasks[page] == true
+              ? () => pageProvider.swap()
+              : () => showTaskDonePopup(context, page),
+        )
     ]);
   }
 }