Procházet zdrojové kódy

rearrange widget tree to avoid re initializing elements of child wiget in DraggableScrollbar when it's enabled property changes. This was causing memories to rebuild when draggableScrollbar is enabled when all files are loaded in gallery

ashilkn před 1 rokem
rodič
revize
1ab8d942cc
1 změnil soubory, kde provedl 8 přidání a 10 odebrání
  1. 8 10
      lib/ui/huge_listview/draggable_scrollbar.dart

+ 8 - 10
lib/ui/huge_listview/draggable_scrollbar.dart

@@ -103,16 +103,14 @@ class DraggableScrollbarState extends State<DraggableScrollbar>
 
   @override
   Widget build(BuildContext context) {
-    if (widget.isEnabled) {
-      return Stack(
-        children: [
-          RepaintBoundary(child: widget.child),
-          RepaintBoundary(child: buildThumb()),
-        ],
-      );
-    } else {
-      return widget.child;
-    }
+    return Stack(
+      children: [
+        RepaintBoundary(child: widget.child),
+        widget.isEnabled
+            ? RepaintBoundary(child: buildThumb())
+            : const SizedBox.shrink(),
+      ],
+    );
   }
 
   Widget buildThumb() => Padding(