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lua/app/ui/main_city/main_city_ui.lua

@@ -272,6 +272,26 @@ function MainCityUI:initLeftRightBtns()
     if self.sideBarCellMap == nil then
         self.sideBarCellMap = {}
     end
+    self:recycleSideBarCells(self.leftSideBar)
+    self:recycleSideBarCells(self.rightSideBar)
+end
+
+function MainCityUI:recycleSideBarCells(list)
+    local childList = list:getChildList()
+    if childList and #childList > 0 then
+        local count = #childList
+        for i = count, 1, -1 do
+            local child = childList[i]
+            local name = child:getName()
+            if name and name ~= "" then
+                child:setVisible(false)
+                self.sideBarCellMap[name] = child:getLuaComponent(name)
+            else
+                child:destroy()
+                table.remove(childList, i)
+            end
+        end
+    end
 end
 
 function MainCityUI:addSideBarCellComp(cellClassPath)
@@ -280,6 +300,7 @@ function MainCityUI:addSideBarCellComp(cellClassPath)
     prefabObject:initWithPrefab(GConst.EMPTY_STRING, prefab)
     prefabObject:initPrefabHelper()
     prefabObject:genAllChildren()
+    prefabObject:setName(cellClassPath)
     return prefabObject:addLuaComponent(cellClassPath)
 end
 
@@ -377,6 +398,7 @@ function MainCityUI:refreshRightBtns()
     else
         for k, v in ipairs(self.rightBarList) do
             v:setAnchoredPositionY(y)
+            v:setVisible(true)
             v:refresh()
             y = y - self.sideBarHeight - 2
         end