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Optimize mobile - Avoid creating unnecessary widgets (#268)

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* Avoid creating unnecessary widgets

* more flexible null handling and runtime errors prevention
This commit is contained in:
xpwmaosldk
2022-07-01 10:08:49 +09:00
committed by GitHub
parent 992f792c0a
commit c4ef523564
29 changed files with 369 additions and 450 deletions
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62
mobile/lib/modules/sharing/views/album_viewer_page.dart
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@@ -37,7 +37,7 @@ class AlbumViewerPage extends HookConsumerWidget {
/// Find out if the assets in album exist on the device
/// If they exist, add to selected asset state to show they are already selected.
void _onAddPhotosPressed(SharedAlbum albumInfo) async {
if (albumInfo.assets != null && albumInfo.assets!.isNotEmpty) {
if (albumInfo.assets?.isNotEmpty == true) {
ref
.watch(assetSelectionProvider.notifier)
.addNewAssets(albumInfo.assets!.toList());
@@ -109,32 +109,28 @@ class AlbumViewerPage extends HookConsumerWidget {
}
Widget _buildAlbumDateRange(SharedAlbum albumInfo) {
if (albumInfo.assets != null && albumInfo.assets!.isNotEmpty) {
String startDate = "";
DateTime parsedStartDate =
DateTime.parse(albumInfo.assets!.first.createdAt);
DateTime parsedEndDate =
DateTime.parse(albumInfo.assets!.last.createdAt);
String startDate = "";
DateTime parsedStartDate =
DateTime.parse(albumInfo.assets!.first.createdAt);
DateTime parsedEndDate = DateTime.parse(
albumInfo.assets?.last.createdAt ?? '11111111'); //Need default.
if (parsedStartDate.year == parsedEndDate.year) {
startDate = DateFormat('LLL d').format(parsedStartDate);
} else {
startDate = DateFormat('LLL d, y').format(parsedStartDate);
}
String endDate = DateFormat('LLL d, y').format(parsedEndDate);
return Padding(
padding: const EdgeInsets.only(left: 16.0, top: 8),
child: Text(
"$startDate-$endDate",
style: const TextStyle(
fontSize: 14, fontWeight: FontWeight.bold, color: Colors.grey),
),
);
if (parsedStartDate.year == parsedEndDate.year) {
startDate = DateFormat('LLL d').format(parsedStartDate);
} else {
return Container();
startDate = DateFormat('LLL d, y').format(parsedStartDate);
}
String endDate = DateFormat('LLL d, y').format(parsedEndDate);
return Padding(
padding: const EdgeInsets.only(left: 16.0, top: 8),
child: Text(
"$startDate-$endDate",
style: const TextStyle(
fontSize: 14, fontWeight: FontWeight.bold, color: Colors.grey),
),
);
}
Widget _buildHeader(SharedAlbum albumInfo) {
@@ -143,7 +139,8 @@ class AlbumViewerPage extends HookConsumerWidget {
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildTitle(albumInfo),
_buildAlbumDateRange(albumInfo),
if (albumInfo.assets?.isNotEmpty == true)
_buildAlbumDateRange(albumInfo),
SizedBox(
height: 60,
child: ListView.builder(
@@ -175,7 +172,7 @@ class AlbumViewerPage extends HookConsumerWidget {
}
Widget _buildImageGrid(SharedAlbum albumInfo) {
if (albumInfo.assets != null && albumInfo.assets!.isNotEmpty) {
if (albumInfo.assets?.isNotEmpty == true) {
return SliverPadding(
padding: const EdgeInsets.only(top: 10.0),
sliver: SliverGrid(
@@ -209,13 +206,12 @@ class AlbumViewerPage extends HookConsumerWidget {
onPressed: () => _onAddPhotosPressed(albumInfo),
labelText: "Add photos",
),
userId == albumInfo.ownerId
? AlbumActionOutlinedButton(
iconData: Icons.person_add_alt_rounded,
onPressed: () => _onAddUsersPressed(albumInfo),
labelText: "Add users",
)
: Container(),
if (userId == albumInfo.ownerId)
AlbumActionOutlinedButton(
iconData: Icons.person_add_alt_rounded,
onPressed: () => _onAddUsersPressed(albumInfo),
labelText: "Add users",
),
],
),
),