打开子菜单时 Swift UIMenu 视觉故障

如何解决打开子菜单时 Swift UIMenu 视觉故障

我正在使用 UIMenu 和 UIAction 设置上下文菜单。当按下“删除”时，我会显示一个带有“确认”和“取消”功能的子菜单。除了出现 70% 的视觉故障外，一切正常。单击“删除”时，上下文菜单的背景会增加 1 帧。所有其他操作都可以正常工作。这可能是什么？以下是过程和故障的截图

Before tapping "Delete" ; Glitch 1 frame after tap; Afterwards everything is fine

这是我用来生成上下文菜单的代码。我还使用了许多其他表格视图函数，因此您可以在此处查看整个文件：source code 第 684-805 行是表格视图代码。

func tableView(_ tableView: UITableView,contextMenuConfigurationForRowAt indexPath: IndexPath,point: CGPoint) -> uicontextmenuconfiguration? {
    if indexPath.row == habits.count { //if its the last cell which is empty
        return nil
    }
    return uicontextmenuconfiguration(identifier: indexPath as NSIndexPath,previewProvider: nil) { suggestedActions in
        let removeCancel = UIAction(title: "Cancel",image: UIImage(systemName: "xmark")) { action in }
        let removeConfirm = UIAction(title: "Delete",image: UIImage(systemName: "trash"),attributes: .destructive) { action in
            self.removeHabit(index: indexPath.row)
        }
        let remove = UIMenu(title: "Delete",options: .destructive,children: [removeCancel,removeConfirm])
        
        let edit = UIAction(title: "Edit",image: UIImage(systemName: "square.and.pencil")) { action in
            self.openEditHabit(index: indexPath.row)
        }
        let reset = UIAction(title: "Reset today",image: UIImage(systemName: "arrow.counterclockwise")) { action in
            self.resetHabit(index: indexPath.row)
        }
        let reorder = UIAction(title: "Reorder",image: UIImage(systemName: "arrow.up.arrow.down")) { action in
            self.tableView.isEditing = true
            UISelectionFeedbackGenerator().selectionChanged()
        }
        let cheat = UIAction(title: "Fix streak",image: UIImage(systemName: "slider.horizontal.3")) { action in
            //
        }


        var contextMenu = [UIAction]()
        if (self.habits[indexPath.row].donetoday) {
            contextMenu.append(reset)
        }
        contextMenu.append(reorder)
        contextMenu.append(edit)
        let nonDestructive = UIMenu(options: .displayInline,children: contextMenu)
        return UIMenu(children: [nonDestructive,remove,cheat])
    }
}