Fix: The param end of PhotoManager.getAssetListRange not right

CHANGELOG.md

@@ -11,6 +11,7 @@ that can be found in the LICENSE file. -->
 - Fix namespace on Android.
 - Remove the package definition from the manifest.
 - Use `math.pow(2^63)-1` to make Web compile work again.
+- Fix: the `end` of `PhotoManager.getAssetListRange` is handled incorrectly.(#962)
 
 ## 2.7.0
 

example/lib/page/developer/issues_page/issue_962.dart

@@ -0,0 +1,88 @@
+import 'package:flutter/material.dart';
+import 'package:photo_manager/photo_manager.dart';
+
+import 'issue_index_page.dart';
+
+class Issue962 extends StatefulWidget {
+  const Issue962({Key? key}) : super(key: key);
+
+  @override
+  State<Issue962> createState() => _Issue962State();
+}
+
+class _Issue962State extends State<Issue962> with IssueBase<Issue962> {
+  int start = 0;
+  int end = 5;
+
+  ValueNotifier<String> logNotifier = ValueNotifier<String>('');
+
+  void onChange() async {
+    if (start >= end) {
+      logNotifier.value = 'start must less than end';
+      return;
+    }
+
+    final assetList = await PhotoManager.getAssetListRange(
+      start: start,
+      end: end,
+      filterOption: FilterOptionGroup(
+        imageOption: const FilterOption(needTitle: true),
+        videoOption: const FilterOption(needTitle: true),
+        orders: [
+          const OrderOption(type: OrderOptionType.createDate),
+        ],
+      ),
+    );
+
+    logNotifier.value = 'The assetList count: ${assetList.length}';
+  }
+
+  final node = FocusScopeNode();
+
+  @override
+  void dispose() {
+    node.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return buildScaffold([
+      TextFormField(
+        initialValue: start.toString(),
+        decoration: const InputDecoration(
+          labelText: 'start',
+        ),
+        onChanged: (value) {
+          start = int.tryParse(value) ?? 0;
+          onChange();
+        },
+      ),
+      TextFormField(
+        initialValue: end.toString(),
+        decoration: const InputDecoration(
+          labelText: 'end',
+        ),
+        onChanged: (value) {
+          end = int.tryParse(value) ?? 0;
+          onChange();
+        },
+      ),
+      buildButton('Reproduct issue 962', onChange),
+      AnimatedBuilder(
+        animation: logNotifier,
+        builder: (context, w) {
+          return Text(
+            logNotifier.value,
+            style: const TextStyle(
+              fontSize: 12,
+            ),
+          );
+        },
+      ),
+    ]);
+  }
+
+  @override
+  int get issueNumber => 962;
+}

example/lib/page/developer/issues_page/issue_index_page.dart

@@ -7,6 +7,7 @@ import 'package:url_launcher/url_launcher.dart';
 
 import 'issue_734.dart';
 import 'issue_918.dart';
+import 'issue_962.dart';
 
 class IssuePage extends StatelessWidget {
   const IssuePage({
@@ -23,6 +24,7 @@ class IssuePage extends StatelessWidget {
         children: <Widget>[
           Issue734Page(),
           Issue918Page(),
+          Issue962(),
         ],
       ),
     );

ios/Classes/core/PMManager.m

@@ -149,7 +149,7 @@ - (NSUInteger)getAssetCountWithType:(int)type option:(NSObject<PMBaseFilter> *)f
     PHFetchResult<PHAsset *> *result = [PHAsset fetchAssetsWithOptions:options];
 
     NSUInteger endOffset = end;
-    if (endOffset < result.count) {
+    if (endOffset > result.count) {
         endOffset = result.count;
     }