Source Code added

mobile/lib/pages/album/album_date_range.dart

@@ -0,0 +1,53 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/extensions/build_context_extensions.dart';
+import 'package:immich_mobile/providers/album/current_album.provider.dart';
+
+class AlbumDateRange extends ConsumerWidget {
+  const AlbumDateRange({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final data = ref.watch(
+      currentAlbumProvider.select((album) {
+        if (album == null || album.assets.isEmpty) {
+          return null;
+        }
+
+        final startDate = album.startDate;
+        final endDate = album.endDate;
+        if (startDate == null || endDate == null) {
+          return null;
+        }
+        return (startDate, endDate, album.shared);
+      }),
+    );
+
+    if (data == null) {
+      return const SizedBox();
+    }
+    final (startDate, endDate, shared) = data;
+
+    return Padding(
+      padding: const EdgeInsets.only(left: 16.0),
+      child: Text(
+        _getDateRangeText(startDate, endDate),
+        style: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceVariant),
+      ),
+    );
+  }
+
+  @pragma('vm:prefer-inline')
+  String _getDateRangeText(DateTime startDate, DateTime endDate) {
+    if (startDate.day == endDate.day && startDate.month == endDate.month && startDate.year == endDate.year) {
+      return DateFormat.yMMMd().format(startDate);
+    }
+
+    final String startDateText = (startDate.year == endDate.year ? DateFormat.MMMd() : DateFormat.yMMMd()).format(
+      startDate,
+    );
+    final String endDateText = DateFormat.yMMMd().format(endDate);
+    return "$startDateText - $endDateText";
+  }
+}