🐛 Fix the index with bottom items in the preview (#563)

Author: AlexV525

CHANGELOG.md

@@ -7,6 +7,12 @@ that can be found in the LICENSE file. -->
 > [!IMPORTANT]  
 > See the [Migration Guide](guides/migration_guide.md) for the details of breaking changes between versions.
 
+## 9.0.2
+
+### Fixes
+
+- Fix the index with bottom items in the preview.
+
 ## 9.0.1
 
 ### Fixes

example/pubspec.yaml

@@ -1,6 +1,6 @@
 name: wechat_assets_picker_demo
 description: The demo project for the wechat_assets_picker package.
-version: 9.0.0+49
+version: 9.0.2+51
 publish_to: none
 
 environment:

lib/src/delegates/asset_picker_viewer_builder_delegate.dart

@@ -608,12 +608,15 @@ class DefaultAssetPickerViewerBuilderDelegate
     const double padding = 8.0;
 
     void onTap(AssetEntity asset) {
-      final int page;
+      int page;
       if (previewAssets != selectedAssets) {
         page = previewAssets.indexOf(asset);
       } else {
         page = index;
       }
+      if (shouldReversePreview) {
+        page = previewAssets.length - page - 1;
+      }
       if (pageController.page == page.toDouble()) {
         return;
       }

pubspec.yaml

@@ -1,5 +1,5 @@
 name: wechat_assets_picker
-version: 9.0.1
+version: 9.0.2
 description: |
   An image picker (also with videos and audio)
   for Flutter projects based on WeChat's UI,