Added some RepaintBoundary

lib/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart

@@ -49,6 +49,7 @@ class _MeteringMeasureButtonState extends State<MeteringMeasureButton> {
           _isPressed = false;
         });
       },
+      child: RepaintBoundary(
         child: SizedBox.fromSize(
           size: const Size.square(Dimens.grid72),
           child: Stack(
@@ -77,6 +78,7 @@ class _MeteringMeasureButtonState extends State<MeteringMeasureButton> {
             ],
           ),
         ),
+      ),
     );
   }
 }

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

@@ -37,17 +37,13 @@ class MeteringBottomControls extends StatelessWidget {
               mainAxisAlignment: MainAxisAlignment.spaceEvenly,
               children: [
                 if (onSwitchEvSourceType != null)
-                  Expanded(
+                  _SideIcon(
-                    child: Center(
+                    onPressed: onSwitchEvSourceType!,
-                      child: IconButton(
-                        onPressed: onSwitchEvSourceType,
                     icon: Icon(
                       context.listen<EvSourceType>() != EvSourceType.camera
                           ? Icons.camera_rear
                           : Icons.wb_incandescent,
                     ),
-                      ),
-                    ),
                   )
                 else
                   const Spacer(),
@@ -56,14 +52,10 @@ class MeteringBottomControls extends StatelessWidget {
                   isMetering: isMetering,
                   onTap: onMeasure,
                 ),
-                Expanded(
+                _SideIcon(
-                  child: Center(
-                    child: IconButton(
                   onPressed: onSettings,
                   icon: const Icon(Icons.settings),
                 ),
-                  ),
-                ),
               ],
             ),
           ),
@@ -72,3 +64,27 @@ class MeteringBottomControls extends StatelessWidget {
     );
   }
 }
+
+class _SideIcon extends StatelessWidget {
+  final Icon icon;
+  final VoidCallback onPressed;
+
+  const _SideIcon({
+    required this.icon,
+    required this.onPressed,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Expanded(
+      child: Center(
+        child: RepaintBoundary(
+          child: IconButton(
+            onPressed: onPressed,
+            icon: icon,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/screens/metering/components/camera_container/components/camera_controls/widget_camera_controls.dart

@@ -25,7 +25,8 @@ class CameraControls extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Column(
+    return RepaintBoundary(
+      child: Column(
         children: [
           Expanded(
             child: ExposureOffsetSlider(
@@ -41,6 +42,7 @@ class CameraControls extends StatelessWidget {
             onChanged: onZoomChanged,
           ),
         ],
+      ),
     );
   }
 }

lib/screens/metering/components/camera_container/components/camera_preview/widget_camera_preview.dart

@@ -22,7 +22,8 @@ class CameraPreview extends StatefulWidget {
 class _CameraPreviewState extends State<CameraPreview> {
   @override
   Widget build(BuildContext context) {
-    return AspectRatio(
+    return RepaintBoundary(
+      child: AspectRatio(
         aspectRatio: PlatformConfig.cameraPreviewAspectRatio,
         child: Center(
           child: Stack(
@@ -57,6 +58,7 @@ class _CameraPreviewState extends State<CameraPreview> {
             ],
           ),
         ),
+      ),
     );
   }
 }

lib/screens/metering/components/shared/readings_container/components/reading_value_container/widget_container_reading_value.dart

@@ -72,7 +72,8 @@ class _ReadingValueBuilder extends StatelessWidget {
           softWrap: false,
         ),
         const SizedBox(height: Dimens.grid4),
-        AnimatedSwitcher(
+        RepaintBoundary(
+          child: AnimatedSwitcher(
             duration: Dimens.switchDuration,
             child: Text(
               reading.value,
@@ -81,6 +82,7 @@ class _ReadingValueBuilder extends StatelessWidget {
               overflow: TextOverflow.ellipsis,
               softWrap: false,
             ),
+          ),
         )
       ],
     );