feat(mobile): inline asset details (#25952)

The existing implementation for showing asset details uses a bottom
sheet, and is not in sync with the preview or scroll intent. Other apps
use inline details, which is much cleaner and feels better to use.
This commit is contained in:
Thomas
2026-02-17 15:24:34 +00:00
committed by GitHub
parent 06d487782e
commit 5c6433b4ca
42 changed files with 1518 additions and 1277 deletions
@@ -0,0 +1,78 @@
import 'dart:async';
import 'package:auto_route/auto_route.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/album/album_tile.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/asset_viewer.state.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/sheet_tile.widget.dart';
import 'package:immich_mobile/providers/infrastructure/album.provider.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/providers/user.provider.dart';
import 'package:immich_mobile/routing/router.dart';
class AppearsInDetails extends ConsumerWidget {
const AppearsInDetails({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final asset = ref.watch(currentAssetNotifier);
if (asset == null || !asset.hasRemote) return const SizedBox.shrink();
String? remoteAssetId;
if (asset is RemoteAsset) {
remoteAssetId = asset.id;
} else if (asset is LocalAsset) {
remoteAssetId = asset.remoteAssetId;
}
if (remoteAssetId == null) return const SizedBox.shrink();
final userId = ref.watch(currentUserProvider)?.id;
final assetAlbums = ref.watch(albumsContainingAssetProvider(remoteAssetId));
return assetAlbums.when(
data: (albums) {
if (albums.isEmpty) return const SizedBox.shrink();
albums.sortBy((a) => a.name);
return Padding(
padding: const EdgeInsets.only(top: 16.0),
child: Column(
spacing: 12,
children: [
SheetTile(
title: 'appears_in'.t(context: context),
titleStyle: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
Padding(
padding: const EdgeInsets.only(left: 12),
child: Column(
spacing: 12,
children: albums.map((album) {
final isOwner = album.ownerId == userId;
return AlbumTile(
album: album,
isOwner: isOwner,
onAlbumSelected: (album) async {
ref.invalidate(assetViewerProvider);
unawaited(context.router.popAndPush(RemoteAlbumRoute(album: album)));
},
);
}).toList(),
),
),
],
),
);
},
loading: () => const SizedBox.shrink(),
error: (_, __) => const SizedBox.shrink(),
);
}
}
@@ -0,0 +1,142 @@
import 'dart:async';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/exif.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/duration_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/sheet_tile.widget.dart';
import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/providers/user.provider.dart';
import 'package:immich_mobile/utils/timezone.dart';
import 'package:immich_mobile/widgets/common/immich_toast.dart';
const _kSeparator = '';
class DateTimeDetails extends ConsumerWidget {
const DateTimeDetails({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final asset = ref.watch(currentAssetNotifier);
if (asset == null) return const SizedBox.shrink();
final exifInfo = ref.watch(currentAssetExifProvider).valueOrNull;
final isOwner = ref.watch(currentUserProvider)?.id == (asset is RemoteAsset ? asset.ownerId : null);
return Column(
children: [
SheetTile(
title: _getDateTime(context, asset, exifInfo),
titleStyle: context.textTheme.labelLarge,
trailing: asset.hasRemote && isOwner ? const Icon(Icons.edit, size: 18) : null,
onTap: asset.hasRemote && isOwner
? () async => await ref.read(actionProvider.notifier).editDateTime(ActionSource.viewer, context)
: null,
),
if (exifInfo != null) _SheetAssetDescription(exif: exifInfo, isEditable: isOwner),
],
);
}
static String _getDateTime(BuildContext ctx, BaseAsset asset, ExifInfo? exifInfo) {
DateTime dateTime = asset.createdAt.toLocal();
Duration timeZoneOffset = dateTime.timeZoneOffset;
if (exifInfo?.dateTimeOriginal != null) {
(dateTime, timeZoneOffset) = applyTimezoneOffset(
dateTime: exifInfo!.dateTimeOriginal!,
timeZone: exifInfo.timeZone,
);
}
final date = DateFormat.yMMMEd(ctx.locale.toLanguageTag()).format(dateTime);
final time = DateFormat.jm(ctx.locale.toLanguageTag()).format(dateTime);
final timezone = 'GMT${timeZoneOffset.formatAsOffset()}';
return '$date$_kSeparator$time $timezone';
}
}
class _SheetAssetDescription extends ConsumerStatefulWidget {
final ExifInfo exif;
final bool isEditable;
const _SheetAssetDescription({required this.exif, this.isEditable = true});
@override
ConsumerState<_SheetAssetDescription> createState() => _SheetAssetDescriptionState();
}
class _SheetAssetDescriptionState extends ConsumerState<_SheetAssetDescription> {
late TextEditingController _controller;
final _descriptionFocus = FocusNode();
@override
void initState() {
super.initState();
_controller = TextEditingController(text: widget.exif.description ?? '');
}
Future<void> saveDescription(String? previousDescription) async {
final newDescription = _controller.text.trim();
if (newDescription == previousDescription) {
_descriptionFocus.unfocus();
return;
}
final editAction = await ref.read(actionProvider.notifier).updateDescription(ActionSource.viewer, newDescription);
if (!editAction.success) {
_controller.text = previousDescription ?? '';
ImmichToast.show(
context: context,
msg: 'exif_bottom_sheet_description_error'.t(context: context),
toastType: ToastType.error,
);
}
_descriptionFocus.unfocus();
}
@override
Widget build(BuildContext context) {
final currentExifInfo = ref.watch(currentAssetExifProvider).valueOrNull;
final currentDescription = currentExifInfo?.description ?? '';
final hintText = (widget.isEditable ? 'exif_bottom_sheet_description' : 'exif_bottom_sheet_no_description').t(
context: context,
);
if (_controller.text != currentDescription && !_descriptionFocus.hasFocus) {
_controller.text = currentDescription;
}
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8),
child: IgnorePointer(
ignoring: !widget.isEditable,
child: TextField(
controller: _controller,
keyboardType: TextInputType.multiline,
maxLines: null,
focusNode: _descriptionFocus,
decoration: InputDecoration(
hintText: hintText,
border: InputBorder.none,
enabledBorder: InputBorder.none,
focusedBorder: InputBorder.none,
disabledBorder: InputBorder.none,
errorBorder: InputBorder.none,
focusedErrorBorder: InputBorder.none,
),
onTapOutside: (_) => saveDescription(currentExifInfo?.description),
),
),
);
}
}
@@ -0,0 +1,21 @@
import 'package:flutter/material.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
class DragHandle extends StatelessWidget {
const DragHandle({super.key});
@override
Widget build(BuildContext context) => Padding(
padding: const EdgeInsets.symmetric(vertical: 12),
child: Center(
child: Container(
width: 32,
height: 4,
decoration: BoxDecoration(
borderRadius: const BorderRadius.all(Radius.circular(2)),
color: context.colorScheme.onSurfaceVariant,
),
),
),
);
}
@@ -0,0 +1,124 @@
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/exif.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/sheet_tile.widget.dart';
import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/widgets/asset_viewer/detail_panel/exif_map.dart';
import 'package:maplibre_gl/maplibre_gl.dart';
class LocationDetails extends ConsumerStatefulWidget {
const LocationDetails({super.key});
@override
ConsumerState createState() => _LocationDetailsState();
}
class _LocationDetailsState extends ConsumerState<LocationDetails> {
MapLibreMapController? _mapController;
String? _getLocationName(ExifInfo? exifInfo) {
if (exifInfo == null) {
return null;
}
final cityName = exifInfo.city;
final stateName = exifInfo.state;
if (cityName != null && stateName != null) {
return "$cityName, $stateName";
}
return null;
}
void _onMapCreated(MapLibreMapController controller) {
_mapController = controller;
}
void _onExifChanged(AsyncValue<ExifInfo?>? previous, AsyncValue<ExifInfo?> current) {
final currentExif = current.valueOrNull;
if (currentExif != null && currentExif.hasCoordinates) {
_mapController?.moveCamera(CameraUpdate.newLatLng(LatLng(currentExif.latitude!, currentExif.longitude!)));
}
}
@override
void initState() {
super.initState();
ref.listenManual(currentAssetExifProvider, _onExifChanged, fireImmediately: true);
}
void editLocation() async {
await ref.read(actionProvider.notifier).editLocation(ActionSource.viewer, context);
}
@override
Widget build(BuildContext context) {
final asset = ref.watch(currentAssetNotifier);
final exifInfo = ref.watch(currentAssetExifProvider).valueOrNull;
final hasCoordinates = exifInfo?.hasCoordinates ?? false;
// Guard local assets
if (asset is! RemoteAsset) {
return const SizedBox.shrink();
}
final locationName = _getLocationName(exifInfo);
final coordinates = "${exifInfo?.latitude?.toStringAsFixed(4)}, ${exifInfo?.longitude?.toStringAsFixed(4)}";
return Padding(
padding: const EdgeInsets.only(bottom: 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
SheetTile(
title: 'location'.t(context: context),
titleStyle: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceSecondary),
trailing: hasCoordinates ? const Icon(Icons.edit_location_alt, size: 20) : null,
onTap: editLocation,
),
if (hasCoordinates)
Padding(
padding: EdgeInsets.symmetric(horizontal: context.isMobile ? 16.0 : 56.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
ExifMap(
exifInfo: exifInfo!,
markerId: asset.id,
markerAssetThumbhash: asset.thumbHash,
onMapCreated: _onMapCreated,
),
const SizedBox(height: 16),
if (locationName != null)
Padding(
padding: const EdgeInsets.only(bottom: 4.0),
child: Text(locationName, style: context.textTheme.labelLarge),
),
Text(
coordinates,
style: context.textTheme.bodySmall?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
],
),
),
if (!hasCoordinates)
SheetTile(
title: "add_a_location".t(context: context),
titleStyle: context.textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w600,
color: context.primaryColor,
),
leading: const Icon(Icons.location_off),
onTap: editLocation,
),
],
),
);
}
}
@@ -0,0 +1,174 @@
import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/person.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/people/person_edit_name_modal.widget.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/providers/infrastructure/people.provider.dart';
import 'package:immich_mobile/providers/routes.provider.dart';
import 'package:immich_mobile/presentation/widgets/images/remote_image_provider.dart';
import 'package:immich_mobile/routing/router.dart';
import 'package:immich_mobile/utils/image_url_builder.dart';
import 'package:immich_mobile/utils/people.utils.dart';
class PeopleDetails extends ConsumerStatefulWidget {
const PeopleDetails({super.key});
@override
ConsumerState createState() => _PeopleDetailsState();
}
class _PeopleDetailsState extends ConsumerState<PeopleDetails> {
@override
Widget build(BuildContext context) {
final asset = ref.watch(currentAssetNotifier);
if (asset is! RemoteAsset) {
return const SizedBox.shrink();
}
final peopleFuture = ref.watch(driftPeopleAssetProvider(asset.id));
Future<void> showNameEditModal(DriftPerson person) async {
await showDialog(
context: context,
useRootNavigator: false,
builder: (BuildContext context) {
return DriftPersonNameEditForm(person: person);
},
);
ref.invalidate(driftPeopleAssetProvider(asset.id));
}
return peopleFuture.when(
data: (people) {
return AnimatedCrossFade(
firstChild: const SizedBox.shrink(),
secondChild: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.only(left: 16, top: 16, bottom: 16),
child: Text(
"people".t(context: context),
style: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
),
SizedBox(
height: 160,
child: ListView(
padding: const EdgeInsets.only(left: 16.0),
scrollDirection: Axis.horizontal,
children: [
for (final person in people)
_Avatar(
person: person,
assetFileCreatedAt: asset.createdAt,
onTap: () {
final previousRouteData = ref.read(previousRouteDataProvider);
final previousRouteArgs = previousRouteData?.arguments;
// Prevent circular navigation
if (previousRouteArgs is DriftPersonRouteArgs && previousRouteArgs.person.id == person.id) {
context.back();
return;
}
context.pop();
context.pushRoute(DriftPersonRoute(person: person));
},
onNameTap: () => showNameEditModal(person),
),
],
),
),
],
),
crossFadeState: people.isEmpty ? CrossFadeState.showFirst : CrossFadeState.showSecond,
duration: Durations.short4,
);
},
error: (error, stack) => Text("error_loading_people".t(context: context), style: context.textTheme.bodyMedium),
loading: () => const SizedBox.shrink(),
);
}
}
class _Avatar extends StatelessWidget {
final DriftPerson person;
final DateTime assetFileCreatedAt;
final VoidCallback? onTap;
final VoidCallback? onNameTap;
final double imageSize = 96;
const _Avatar({required this.person, required this.assetFileCreatedAt, this.onTap, this.onNameTap});
@override
Widget build(BuildContext context) {
return ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 96),
child: Padding(
padding: const EdgeInsets.only(right: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
GestureDetector(
onTap: onTap,
child: SizedBox(
height: imageSize,
child: Material(
shape: CircleBorder(side: BorderSide(color: context.primaryColor.withAlpha(50), width: 1.0)),
shadowColor: context.colorScheme.shadow,
elevation: 3,
child: CircleAvatar(
maxRadius: imageSize / 2,
backgroundImage: RemoteImageProvider(url: getFaceThumbnailUrl(person.id)),
),
),
),
),
const SizedBox(height: 4),
if (person.name.isEmpty)
GestureDetector(
onTap: () => onNameTap?.call(),
child: Text(
"add_a_name".t(context: context),
style: context.textTheme.labelLarge?.copyWith(color: context.primaryColor),
maxLines: 2,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.center,
),
)
else
Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
person.name,
textAlign: TextAlign.center,
overflow: TextOverflow.ellipsis,
style: context.textTheme.labelLarge,
maxLines: 1,
),
if (person.birthDate != null)
FittedBox(
fit: BoxFit.scaleDown,
child: Text(
formatAge(person.birthDate!, assetFileCreatedAt),
textAlign: TextAlign.center,
style: context.textTheme.bodyMedium?.copyWith(
color: context.textTheme.bodyMedium?.color?.withAlpha(175),
),
),
),
],
),
],
),
),
);
}
}
@@ -0,0 +1,52 @@
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/rating_bar.widget.dart';
import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/providers/infrastructure/user_metadata.provider.dart';
class RatingDetails extends ConsumerWidget {
const RatingDetails({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final isRatingEnabled = ref
.watch(userMetadataPreferencesProvider)
.maybeWhen(data: (prefs) => prefs?.ratingsEnabled ?? false, orElse: () => false);
if (!isRatingEnabled) return const SizedBox.shrink();
final exifInfo = ref.watch(currentAssetExifProvider).valueOrNull;
return Padding(
padding: const EdgeInsets.only(left: 16.0, top: 16.0),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
spacing: 8,
children: [
Text(
'rating'.t(context: context),
style: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
RatingBar(
initialRating: exifInfo?.rating?.toDouble() ?? 0,
filledColor: context.themeData.colorScheme.primary,
unfilledColor: context.themeData.colorScheme.onSurface.withAlpha(100),
itemSize: 40,
onRatingUpdate: (rating) async {
await ref.read(actionProvider.notifier).updateRating(ActionSource.viewer, rating.round());
},
onClearRating: () async {
await ref.read(actionProvider.notifier).updateRating(ActionSource.viewer, 0);
},
),
],
),
);
}
}
@@ -0,0 +1,129 @@
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/exif.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/theme_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/sheet_tile.widget.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/asset.provider.dart';
import 'package:immich_mobile/repositories/asset_media.repository.dart';
import 'package:immich_mobile/utils/bytes_units.dart';
const _kSeparator = '';
class TechnicalDetails extends ConsumerWidget {
const TechnicalDetails({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final asset = ref.watch(currentAssetNotifier);
if (asset == null) return const SizedBox.shrink();
final exifInfo = ref.watch(currentAssetExifProvider).valueOrNull;
final cameraTitle = _getCameraInfoTitle(exifInfo);
final lensTitle = exifInfo?.lens != null && exifInfo!.lens!.isNotEmpty ? exifInfo.lens : null;
return Column(
children: [
SheetTile(
title: 'details'.t(context: context),
titleStyle: context.textTheme.labelLarge?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
_buildFileInfoTile(context, ref, asset, exifInfo),
if (cameraTitle != null) ...[
const SizedBox(height: 16),
SheetTile(
title: cameraTitle,
titleStyle: context.textTheme.labelLarge,
leading: Icon(Icons.camera_alt_outlined, size: 24, color: context.textTheme.labelLarge?.color),
subtitle: _getCameraInfoSubtitle(exifInfo),
subtitleStyle: context.textTheme.bodyMedium?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
],
if (lensTitle != null) ...[
const SizedBox(height: 16),
SheetTile(
title: lensTitle,
titleStyle: context.textTheme.labelLarge,
leading: Icon(Icons.camera_outlined, size: 24, color: context.textTheme.labelLarge?.color),
subtitle: _getLensInfoSubtitle(exifInfo),
subtitleStyle: context.textTheme.bodyMedium?.copyWith(color: context.colorScheme.onSurfaceSecondary),
),
],
],
);
}
Widget _buildFileInfoTile(BuildContext context, WidgetRef ref, BaseAsset asset, ExifInfo? exifInfo) {
final icon = Icon(
asset.isImage ? Icons.image_outlined : Icons.videocam_outlined,
size: 24,
color: context.textTheme.labelLarge?.color,
);
final subtitle = _getFileInfo(asset, exifInfo);
final subtitleStyle = context.textTheme.bodyMedium?.copyWith(color: context.colorScheme.onSurfaceSecondary);
if (asset is LocalAsset) {
final assetMediaRepository = ref.watch(assetMediaRepositoryProvider);
return FutureBuilder<String?>(
future: assetMediaRepository.getOriginalFilename(asset.id),
builder: (context, snapshot) {
return SheetTile(
title: snapshot.data ?? asset.name,
titleStyle: context.textTheme.labelLarge,
leading: icon,
subtitle: subtitle,
subtitleStyle: subtitleStyle,
);
},
);
}
return SheetTile(
title: asset.name,
titleStyle: context.textTheme.labelLarge,
leading: icon,
subtitle: subtitle,
subtitleStyle: subtitleStyle,
);
}
static String _getFileInfo(BaseAsset asset, ExifInfo? exifInfo) {
final height = asset.height;
final width = asset.width;
final resolution = (width != null && height != null) ? "${width.toInt()} x ${height.toInt()}" : null;
final fileSize = exifInfo?.fileSize != null ? formatBytes(exifInfo!.fileSize!) : null;
return switch ((fileSize, resolution)) {
(null, null) => '',
(String fileSize, null) => fileSize,
(null, String resolution) => resolution,
(String fileSize, String resolution) => '$fileSize$_kSeparator$resolution',
};
}
static String? _getCameraInfoTitle(ExifInfo? exifInfo) {
if (exifInfo == null) return null;
return switch ((exifInfo.make, exifInfo.model)) {
(null, null) => null,
(String make, null) => make,
(null, String model) => model,
(String make, String model) => '$make $model',
};
}
static String? _getCameraInfoSubtitle(ExifInfo? exifInfo) {
if (exifInfo == null) return null;
final exposureTime = exifInfo.exposureTime.isNotEmpty ? exifInfo.exposureTime : null;
final iso = exifInfo.iso != null ? 'ISO ${exifInfo.iso}' : null;
return [exposureTime, iso].where((spec) => spec != null && spec.isNotEmpty).join(_kSeparator);
}
static String? _getLensInfoSubtitle(ExifInfo? exifInfo) {
if (exifInfo == null) return null;
final fNumber = exifInfo.fNumber.isNotEmpty ? 'ƒ/${exifInfo.fNumber}' : null;
final focalLength = exifInfo.focalLength.isNotEmpty ? '${exifInfo.focalLength} mm' : null;
return [fNumber, focalLength].where((spec) => spec != null && spec.isNotEmpty).join(_kSeparator);
}
}