自动大小表格视图中嵌套的水平collectionview单元格的扩展高度使行重新加载单元格时使collection view滚动重置

Question

i have table view for showing product detail and each part is tableview cell,

in one of my tableview cell that is showing sizes and stores that has that size like this and

when the user click on one of collection view items tableview expand to show stores.

if i update root tableviewcell constraints i need to reload that cell after reloading collection scroll will rest

i tried beginUpdates and endUpdates for root tableview after changing constraint it will work but in some situation it will show a blank cell what's wrong in my idea

in summary : how to expand tableview cell without reloading and refresh cell view .i think both questions are equal

Answer 1

更改tableView中的约束，并添加模型以对当前选定的collectionViewCell进行建模，并在collectionViewCell awakeFromNib方法中不带动画地滚动至默认值，这是默认值0，这意味着将不会发生动画[我的意思是这里的tableView模型。显示每个tableViewCell]