Removed source-swap button

lib/screens/metering/components/bottom_controls/components/widget_button_secondary.dart

@@ -14,7 +14,8 @@ class MeteringSecondaryButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return FilledCircle(
+    return Center(
+      child: FilledCircle(
         color: Theme.of(context).colorScheme.surfaceVariant,
         size: 48,
         child: Center(
@@ -24,6 +25,7 @@ class MeteringSecondaryButton extends StatelessWidget {
             icon: Icon(icon),
           ),
         ),
+      ),
     );
   }
 }

lib/screens/metering/components/bottom_controls/widget_bottom_controls.dart

@@ -5,12 +5,10 @@ import 'components/widget_button_measure.dart';
 import 'components/widget_button_secondary.dart';
 
 class MeteringBottomControls extends StatelessWidget {
-  final VoidCallback onSourceChanged;
   final VoidCallback onMeasure;
   final VoidCallback onSettings;
 
   const MeteringBottomControls({
-    required this.onSourceChanged,
     required this.onMeasure,
     required this.onSettings,
     super.key,
@@ -32,17 +30,16 @@ class MeteringBottomControls extends StatelessWidget {
             child: Row(
               mainAxisAlignment: MainAxisAlignment.spaceEvenly,
               children: [
-                MeteringSecondaryButton(
-                  onPressed: onSourceChanged,
-                  icon: Icons.flip_camera_android,
-                ),
+                const Spacer(),
                 MeteringMeasureButton(
                   onTap: onMeasure,
                 ),
-                MeteringSecondaryButton(
+                Expanded(
+                  child: MeteringSecondaryButton(
                     onPressed: onSettings,
                     icon: Icons.settings,
                   ),
+                ),
               ],
             ),
           ),

lib/screens/metering/screen_metering.dart

@@ -86,7 +86,6 @@ class _MeteringScreenState extends State<MeteringScreen> {
                     ),
                   ),
                   MeteringBottomControls(
-                    onSourceChanged: () {},
                     onMeasure: () => context.read<MeteringBloc>().add(const MeasureEvent()),
                     onSettings: () {
                       Navigator.push(context, MaterialPageRoute(builder: (context) => const SettingsScreen()));