feat(ios): add initialContentIndex prop for ListView

Tencent · Sep 12, 2024 · 96af473 · 96af473
1 parent 611006c
commit 96af473
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Showing 3 changed files with 9 additions and 0 deletions.
diff --git a/ios/sdk/component/listview/HippyBaseListView.h b/ios/sdk/component/listview/HippyBaseListView.h
@@ -45,6 +45,7 @@
 
 @property (nonatomic, assign) NSUInteger preloadItemNumber;
 @property (nonatomic, assign) CGFloat initialContentOffset;
+@property (nonatomic, assign) NSUInteger initialContentIndex;
 @property (nonatomic, assign) BOOL manualScroll;
 @property (nonatomic, assign) BOOL bounces;
 @property (nonatomic, assign) BOOL showScrollIndicator;

diff --git a/ios/sdk/component/listview/HippyBaseListView.m b/ios/sdk/component/listview/HippyBaseListView.m
@@ -140,6 +140,13 @@ - (void)reloadData {
         });
         self.initialContentOffset = 0;
     }
+    if (self.initialContentIndex > 0) {
+        NSUInteger initialContentIndex = self.initialContentIndex;
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [self scrollToIndex:initialContentIndex animated:NO];
+        });
+        self.initialContentIndex = 0;
+    }
 
     if (!_isInitialListReady) {
         _isInitialListReady = YES;

diff --git a/ios/sdk/component/listview/HippyBaseListViewManager.m b/ios/sdk/component/listview/HippyBaseListViewManager.m
@@ -42,6 +42,7 @@ @implementation HippyBaseListViewManager
 HIPPY_EXPORT_VIEW_PROPERTY(preloadItemNumber, NSUInteger)
 HIPPY_EXPORT_VIEW_PROPERTY(bounces, BOOL)
 HIPPY_EXPORT_VIEW_PROPERTY(initialContentOffset, CGFloat)
+HIPPY_EXPORT_VIEW_PROPERTY(initialContentIndex, NSUInteger)
 HIPPY_EXPORT_VIEW_PROPERTY(editable, BOOL)
 HIPPY_EXPORT_VIEW_PROPERTY(showScrollIndicator, BOOL)
 HIPPY_EXPORT_VIEW_PROPERTY(scrollEnabled, BOOL)