在Swift 3的tableview单元内可以实现tableview吗？

Question

I'm having trouble with putting a tableview inside a uitableview cell. right now I am going to implement the comments and reply. and reply should be inside which you are going to comments. so I am going to implement comments of post in tableview cell, inside it reply of all that comments in other tableview cell. Any suggestion or other way to implement these scenario!

Answer 1

Yes this is possible however not a recommended way to implement. If you want to show replies below to each post along with the comment I would recommend you to implement through sections. Each section should have three types of cell as mentioned below:

• PostCellView
• ReplyCellView
• CommentCellView

In this case number of section would be number of posts and total number of rows for each section would be 1(Post) + N(where N is total number of replies) + 1(Comment).

With this approach you can add/remove replies through animation that Apple provides which is easy to implement.

I hope this will help you, please feel free to ask if you have any concerns.

Answer 2

This Question is duplicate. Answer in Swift

First Approach:

1. Create a subclass for child tableView and override intrinsicContentSize.

     class MyOwnTableView: UITableView { override var intrinsicContentSize: CGSize { self.layoutIfNeeded() return self.contentSize } override var contentSize: CGSize { didSet{ self.invalidateIntrinsicContentSize() } } override func reloadData() { super.reloadData() self.invalidateIntrinsicContentSize() } } 

2. In Interface builder change the class of your child tableView to MyOwnTableView (subclass of UITableView).

3. Set automatic row height for both the parent and child table view.

     tableView.estimatedRowHeight = 60.0; tableView.rowHeight = UITableViewAutomaticDimension; 

Second Approach: 1. Create a height constraint with any value for child tableView and conect an IBOutlet that sets the child tableView height. 2. Set the height constraint's constant to tableView.contentSize.height

    self.tableViewHeight.constant = self.tableView.contentSize.height