Added equipment profiles list placeholder

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",

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",

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",

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

@@ -44,10 +44,17 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
           icon: const Icon(Icons.close),
         ),
       ],
-      slivers: [
+      slivers: profilesCount == 1
+          ? [
+              SliverFillRemaining(
+                hasScrollBody: false,
+                child: _EquipmentProfilesListPlaceholder(onTap: _addProfile),
+              )
+            ]
+          : [
               SliverList(
                 delegate: SliverChildBuilderDelegate(
-            (context, index) => index > 0
+                  (context, index) => index > 0 // skip default
                       ? Padding(
                           padding: EdgeInsets.fromLTRB(
                             Dimens.paddingM,
@@ -67,6 +74,7 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
                   childCount: profilesCount,
                 ),
               ),
+              SliverToBoxAdapter(child: SizedBox(height: MediaQuery.paddingOf(context).bottom)),
             ],
     );
   }
@@ -99,3 +107,44 @@ 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(
+            onTap: onTap,
+            child: Opacity(
+              opacity: Dimens.disabledOpacity,
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Icon(
+                    Icons.add,
+                    size: MediaQuery.sizeOf(context).width / (1.618 * 1.618),
+                  ),
+                  const SizedBox(height: Dimens.grid4),
+                  Text(
+                    'Tap to add',
+                    style: Theme.of(context).textTheme.headlineSmall,
+                    textAlign: TextAlign.center,
+                  )
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

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/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)),
           ],
         ),
       ),