CODEWITHSUNDEEP
swiftuitableview
japes Sophey
japes Sophey

Reputation: 495

Swift - UITableViewCell? is not convertible to UITableViewCell

I'm new to Swift development and following many online tutorials. The majority of these Tutorials are referring to older versions on Xcode and the code is resulting in errors. Can anyone explain why the code below produces 'UITableViewCell?' is not convertible to UITableViewCella and how I go about fixing this problem.

I am using Xcode 7.

override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCellWithIdentifier("customcell") as UITableViewCell

        cell.textLabel?.text = array[indexPath.item]
        return cell
}

Upvotes: 0

Views: 988

Answers (2)

vadian
vadian

Reputation: 285069

There are two methods

1)

func dequeueReusableCellWithIdentifier(_ identifier: String) -> UITableViewCell?

which returns an optional so you have to unwrap the optional

let cell = tableView.dequeueReusableCellWithIdentifier("custom cell")!

The other method is preferable

2)

func dequeueReusableCellWithIdentifier(_ identifier: String,
                      forIndexPath indexPath: NSIndexPath) -> UITableViewCell

because it returns a non-optional

let cell = tableView.dequeueReusableCellWithIdentifier("custom cell", forIndexPath:indexPath)

Upvotes: 1

Witterquick
Witterquick

Reputation: 6150

The function returns UITableViewCell , while you are returning UITableViewCell? check the type of cell if its of type UITableViewCell? , you need to return cell!

( while cell is optional, the "!" unwrap it)

Upvotes: 0

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