separated IconPlaceholder

lib/l10n/intl_en.arb

@@ -54,6 +54,7 @@
     "isoValuesFilterDescription": "Select the ISO values to display. These may be your most commonly used values or those supported by your camera.",
     "equipmentProfile": "Equipment profile",
     "equipmentProfiles": "Equipment profiles",
+    "tapToAdd": "Tap to add",
     "general": "General",
     "keepScreenOn": "Keep screen on",
     "haptics": "Haptics",
@@ -86,4 +87,4 @@
             }
         }
     }
-}
+}

lib/l10n/intl_fr.arb

@@ -42,6 +42,7 @@
     "film": "Pellicule",
     "equipment": "Équipement",
     "equipmentProfileName": "Nom du profil de l'équipement",
+    "tapToAdd": "Appuie pour ajouter",
     "equipmentProfileNameHint": "Praktica MTL5B",
     "equipmentProfileAllValues": "Tout",
     "apertureValues": "Valeurs Aperture",
@@ -86,4 +87,4 @@
             }
         }
     }
-}
+}

lib/l10n/intl_ru.arb

@@ -54,6 +54,7 @@
     "isoValuesFilterDescription": "Выберите значения ISO для отображения. Это может быть наиболее часто используемые значения или значения, поддерживаемые вашей камерой.",
     "equipmentProfile": "Оборудование",
     "equipmentProfiles": "Профили оборудования",
+    "tapToAdd": "Нажмите, чтобы добавить",
     "general": "Общие",
     "keepScreenOn": "Запрет блокировки",
     "haptics": "Вибрация",
@@ -86,4 +87,4 @@
             }
         }
     }
-}
+}

lib/l10n/intl_zh.arb

@@ -54,6 +54,7 @@
     "isoValuesFilterDescription": "选择要显示的 ISO。这些值可能是您最常用的值，也可能是相机支持的值。",
     "equipmentProfile": "设备配置",
     "equipmentProfiles": "设备配置",
+    "tapToAdd": "點擊添加",
     "general": "通用",
     "keepScreenOn": "保持屏幕常亮",
     "haptics": "震动",

lib/res/dimens.dart

@@ -14,7 +14,6 @@ class Dimens {
   static const double grid48 = 48;
   static const double grid56 = 56;
   static const double grid72 = 72;
-  static const double grid168 = 168;
 
   static const double paddingS = 8;
   static const double paddingM = 16;
@@ -30,6 +29,8 @@ class Dimens {
   static const double enabledOpacity = 1.0;
   static const double disabledOpacity = 0.38;
 
+  static const double sliverAppBarExpandedHeight = 168;
+
   // TopBar
   static const double readingContainerDoubleValueHeight = 128;
   static const double readingContainerSingleValueHeight = 76;

lib/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart

@@ -1,9 +1,10 @@
 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/exposure_pairs_list/components/empty_exposure_pairs_list/widget_list_exposure_pairs_empty.dart';
 import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/components/exposure_pairs_list_item/widget_item_list_exposure_pairs.dart';
+import 'package:lightmeter/screens/shared/icon_placeholder/widget_icon_placeholder.dart';
 
 class ExposurePairsList extends StatelessWidget {
   final List<ExposurePair> exposurePairs;
@@ -15,7 +16,10 @@ class ExposurePairsList extends StatelessWidget {
     return AnimatedSwitcher(
       duration: Dimens.switchDuration,
       child: exposurePairs.isEmpty
-          ? const EmptyExposurePairsList()
+          ? IconPlaceholder(
+              icon: Icons.not_interested,
+              text: S.of(context).noExposurePairs,
+            )
           : Stack(
               alignment: Alignment.center,
               children: [

lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart

@@ -4,6 +4,7 @@ import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
 import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart';
 import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_name_dialog/widget_dialog_equipment_profile_name.dart';
+import 'package:lightmeter/screens/shared/icon_placeholder/widget_icon_placeholder.dart';
 import 'package:lightmeter/screens/shared/sliver_screen/screen_sliver.dart';
 import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
@@ -44,30 +45,38 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
           icon: const Icon(Icons.close),
         ),
       ],
-      slivers: [
-        SliverList(
-          delegate: SliverChildBuilderDelegate(
-            (context, index) => index > 0
-                ? Padding(
-                    padding: EdgeInsets.fromLTRB(
-                      Dimens.paddingM,
-                      index == 0 ? Dimens.paddingM : 0,
-                      Dimens.paddingM,
-                      Dimens.paddingM,
-                    ),
-                    child: EquipmentProfileContainer(
-                      key: profileContainersKeys[index],
-                      data: EquipmentProfiles.of(context)[index],
-                      onExpand: () => _keepExpandedAt(index),
-                      onUpdate: (profileData) => _updateProfileAt(profileData, index),
-                      onDelete: () => _removeProfileAt(index),
-                    ),
-                  )
-                : const SizedBox.shrink(),
-            childCount: profilesCount,
-          ),
-        ),
-      ],
+      slivers: profilesCount == 1
+          ? [
+              SliverFillRemaining(
+                hasScrollBody: false,
+                child: _EquipmentProfilesListPlaceholder(onTap: _addProfile),
+              )
+            ]
+          : [
+              SliverList(
+                delegate: SliverChildBuilderDelegate(
+                  (context, index) => index > 0 // skip default
+                      ? Padding(
+                          padding: EdgeInsets.fromLTRB(
+                            Dimens.paddingM,
+                            index == 0 ? Dimens.paddingM : 0,
+                            Dimens.paddingM,
+                            Dimens.paddingM,
+                          ),
+                          child: EquipmentProfileContainer(
+                            key: profileContainersKeys[index],
+                            data: EquipmentProfiles.of(context)[index],
+                            onExpand: () => _keepExpandedAt(index),
+                            onUpdate: (profileData) => _updateProfileAt(profileData, index),
+                            onDelete: () => _removeProfileAt(index),
+                          ),
+                        )
+                      : const SizedBox.shrink(),
+                  childCount: profilesCount,
+                ),
+              ),
+              SliverToBoxAdapter(child: SizedBox(height: MediaQuery.paddingOf(context).bottom)),
+            ],
     );
   }
 
@@ -99,3 +108,32 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
     });
   }
 }
+
+class _EquipmentProfilesListPlaceholder extends StatelessWidget {
+  final VoidCallback onTap;
+
+  const _EquipmentProfilesListPlaceholder({required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: Dimens.sliverAppBarExpandedHeight),
+      child: FractionallySizedBox(
+        widthFactor: 1 / 1.618,
+        child: Center(
+          child: GestureDetector(
+            behavior: HitTestBehavior.translucent,
+            onTap: onTap,
+            child: Padding(
+              padding: const EdgeInsets.all(Dimens.paddingL),
+              child: IconPlaceholder(
+                icon: Icons.add,
+                text: S.of(context).tapToAdd,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/screens/settings/screen_settings.dart

@@ -50,6 +50,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
               ],
             ),
           ),
+          SliverToBoxAdapter(child: SizedBox(height: MediaQuery.paddingOf(context).bottom)),
         ],
       ),
     );

lib/screens/shared/icon_placeholder/widget_icon_placeholder.dart

@@ -1,24 +1,30 @@
 import 'package:flutter/material.dart';
-import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
 
-class EmptyExposurePairsList extends StatelessWidget {
-  const EmptyExposurePairsList({super.key});
+class IconPlaceholder extends StatelessWidget {
+  final IconData icon;
+  final String text;
+
+  const IconPlaceholder({
+    required this.icon,
+    required this.text,
+    super.key,
+  });
 
   @override
   Widget build(BuildContext context) {
     return ConstrainedBox(
-      constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width / 2),
+      constraints: BoxConstraints(maxWidth: MediaQuery.sizeOf(context).width / 2),
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
           Icon(
-            Icons.not_interested,
+            icon,
             color: Theme.of(context).colorScheme.onBackground,
           ),
           const SizedBox(height: Dimens.grid8),
           Text(
-            S.of(context).noExposurePairs,
+            text,
             style: Theme.of(context)
                 .textTheme
                 .bodyMedium

lib/screens/shared/sliver_screen/screen_sliver.dart

@@ -24,7 +24,7 @@ class SliverScreen extends StatelessWidget {
             SliverAppBar(
               pinned: true,
               automaticallyImplyLeading: false,
-              expandedHeight: Dimens.grid168,
+              expandedHeight: Dimens.sliverAppBarExpandedHeight,
               flexibleSpace: FlexibleSpaceBar(
                 centerTitle: false,
                 titlePadding: const EdgeInsets.all(Dimens.paddingM),
@@ -39,7 +39,6 @@ class SliverScreen extends StatelessWidget {
               actions: appBarActions,
             ),
             ...slivers,
-            SliverToBoxAdapter(child: SizedBox(height: MediaQuery.of(context).padding.bottom)),
           ],
         ),
       ),