Optimize Collections

lib/pages/about.dart

@@ -348,7 +348,7 @@ class _AboutPageState extends State<AboutPage> {
 
   Future<List<Picture>> _fetchData() async {
     List<Picture> result = [];
-    List<String> ids = Settings.marked;
+    List<String> ids = Settings.marked.reversed.toList();
     if (ids.isEmpty) {
       return result;
     }
@@ -359,7 +359,7 @@ class _AboutPageState extends State<AboutPage> {
     }
 
     for (int i = 0; i < ids.length; i++) {
-      result.add(await TujianApi.getDetails(ids[i]));
+      result.add((await TujianApi.getDetails(ids[i]))..marked = true);
     }
     AppModel.of(context).collections = result;
     return result;

lib/pages/details.dart

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import 'dart:collection';
 import 'dart:io';
 import 'dart:math' as math;
 import 'dart:typed_data';
@@ -414,13 +413,13 @@ class _DetailsPageState extends State<DetailsPage> {
     } else {
       data.marked = !data.marked;
     }
-    HashSet<String> hashSet = HashSet.from(Settings.marked);
+    List<String> list = List.from(Settings.marked);
     if (data.marked) {
-      hashSet.add(data.id);
+      list.add(data.id);
     } else {
-      hashSet.remove(data.id);
+      list.remove(data.id);
     }
-    Settings.marked = hashSet.toList();
+    Settings.marked = list.toList();
     AppModel.of(context).collections = [];
     setState(() {});
   }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: dailypics
 description: A new Flutter application.
-version: 2.1.4+200314
+version: 2.1.6+200322
 
 environment:
   sdk: ">=2.3.0 <3.0.0"