Multiple custom cells in one table view not working

Question

I have a table view that I want to display two different custom cells; however, it is only displaying the first custom cell and nothing else.

class messageThreadViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 2
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

        if section == 0 {
            return finalItems.count
        } else {
            return finalItems2.count
        }
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

        if indexPath.section == 0 {           
            let cell = tableView.dequeueReusableCell(withIdentifier: "message1") as! MyTableViewCellThread
            cell.messagelabel?.text = finalItems[indexPath.row]
            return cell
        } else {
            let cell2 = tableView.dequeueReusableCell(withIdentifier: "message2") as! MyTableViewCellThread2
            cell2.messageLabel2?.text = finalItems2[indexPath.row]
            return cell2
       }
    }
}

Again, it's only displaying "cell", not both "cell" and "cell2". I've done a lot of research and couldn't find someone with the same issue. Thanks for your help.

replace indexPath.section with indexPath.row in func cellforRowAt, set numberOfRowsInSection : 2 and numberOfSections : 1 — Dimitris Delis
– Dimitris Delis, Commented Dec 22, 2020 at 9:03
furthermore make sure that you've registered both tableviewcells in viewDidLoad() — Dimitris Delis
– Dimitris Delis, Commented Dec 22, 2020 at 9:13
@Deitsch yes it is not empty- I'm able to get either one or the other to show, not both. — user14634650
– user14634650, Commented Dec 22, 2020 at 9:37
@DimitrisDelis I apologize because this may not have been clear- numberOfRowsInSection varies based off the contents of "finalItems" and "finalItems2" so I can't set it to 2. Also I am using the interface builder so I have the cells registered on the storyboard. I will update the post avoid confusion. — user14634650
– user14634650, Commented Dec 22, 2020 at 9:42

Kstin · Accepted Answer · 2020-12-22 12:53:36Z

3

method

func numberOfSectionsInTableView(tableView: UITableView) -> Int

is not part of UITableViewDelegate and not called when tableView building ui

the right method to use is

func numberOfSections(in tableView: UITableView) -> Int {
    if section == 0 {
        return finalItems.count
    } else {
        return finalItems2.count
        
    }
}

edited Dec 22, 2020 at 12:53

answered Dec 22, 2020 at 8:55

Kstin

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4 Comments

user14634650 Over a year ago

can you explain a bit more? does this replace "func numberOfSectionsInTableView"? do I have to add "numberOfSections section: Int" to define "section"?

Federica Benacquista Over a year ago

Yes use it to replace numberOfSectionsInTableView

Kstin Over a year ago

@psettle41 numberOfSectionsInTableView method that you're using is not a part of UITableViewDelegate protocol and not called when table is building

user14634650 Over a year ago

@Kstin thank you for the help, this got it to work!

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