display selected exposure pair on timer screen

lib/l10n/intl_en.arb

@@ -117,5 +117,6 @@
     "tooltipResetToZero": "Reset to zero",
     "tooltipUseLightSensor": "Use lightsensor",
     "tooltipUseCamera": "Use camera",
-    "tooltipOpenSettings": "Open settings"
+    "tooltipOpenSettings": "Open settings",
+    "exposurePair": "Exposure pair"
 }

lib/l10n/intl_fr.arb

@@ -117,5 +117,6 @@
     "tooltipResetToZero": "Remise à zéro",
     "tooltipUseLightSensor": "Utiliser un capteur de lumière",
     "tooltipUseCamera": "Utiliser la caméra",
-    "tooltipOpenSettings": "Ouvrir les paramètres"
+    "tooltipOpenSettings": "Ouvrir les paramètres",
+    "exposurePair": "Paire d'exposition"
 }

lib/l10n/intl_ru.arb

@@ -117,5 +117,6 @@
     "tooltipResetToZero": "Сбросить до 0",
     "tooltipUseLightSensor": "Использовать датчик освещенности",
     "tooltipUseCamera": "Использовать камеру",
-    "tooltipOpenSettings": "Открыть настройки"
+    "tooltipOpenSettings": "Открыть настройки",
+    "exposurePair": "Пара экспозиции"
 }

lib/l10n/intl_zh.arb

@@ -117,5 +117,6 @@
     "resetToZero": "重置为零",
     "tooltipUseLightSensor": "使用光线传感器",
     "tooltipUseCamera": "使用摄像头",
-    "tooltipOpenSettings": "打开设置"
+    "tooltipOpenSettings": "打开设置",
+    "exposurePair": "曝光对"
 }

lib/screens/timer/components/metering_config/widget_metering_config_timer.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/data/models/exposure_pair.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/res/dimens.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+
+class TimerMeteringConfig extends StatelessWidget {
+  final ExposurePair exposurePair;
+
+  const TimerMeteringConfig({
+    required this.exposurePair,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surface,
+        borderRadius: const BorderRadius.only(
+          bottomLeft: Radius.circular(Dimens.borderRadiusL),
+          bottomRight: Radius.circular(Dimens.borderRadiusL),
+        ),
+      ),
+      padding: const EdgeInsets.all(Dimens.paddingM),
+      child: SafeArea(
+        bottom: false,
+        child: Row(
+          children: [
+            Expanded(
+              child: ReadingValueContainer.singleValue(
+                value: ReadingValue(
+                  label: S.of(context).exposurePair,
+                  value: exposurePair.toString(),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/screens/timer/screen_timer.dart

@@ -4,6 +4,7 @@ import 'package:lightmeter/data/models/exposure_pair.dart';
 import 'package:lightmeter/res/dimens.dart';
 import 'package:lightmeter/screens/shared/bottom_controls_bar/widget_bottom_controls_bar.dart';
 import 'package:lightmeter/screens/timer/bloc_timer.dart';
+import 'package:lightmeter/screens/timer/components/metering_config/widget_metering_config_timer.dart';
 import 'package:lightmeter/screens/timer/components/text/widget_text_timer.dart';
 import 'package:lightmeter/screens/timer/components/timeline/widget_timeline_timer.dart';
 import 'package:lightmeter/screens/timer/event_timer.dart';
@@ -64,24 +65,11 @@ class _TimerScreenState extends State<TimerScreen> with TickerProviderStateMixin
       listenWhen: (previous, current) => previous.runtimeType != current.runtimeType,
       listener: (context, state) => _updateAnimations(state),
       child: Scaffold(
-        appBar: AppBar(
+        body: Center(
-          automaticallyImplyLeading: false,
-          centerTitle: true,
-          elevation: 0,
-          title: Text(
-            widget.exposurePair.toString(),
-            style: TextStyle(
-              color: Theme.of(context).colorScheme.onSurface,
-              fontSize: Dimens.grid24,
-            ),
-          ),
-        ),
-        body: SafeArea(
-          bottom: false,
-          child: Center(
           child: Column(
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
+              TimerMeteringConfig(exposurePair: widget.exposurePair),
               const Spacer(),
               Padding(
                 padding: const EdgeInsets.all(Dimens.paddingL),
@@ -129,7 +117,6 @@ class _TimerScreenState extends State<TimerScreen> with TickerProviderStateMixin
           ),
         ),
       ),
-      ),
     );
   }