Append to array in swift - has no member append?

Question

What am I doing wrong in this code?

and why do I get the error ?

"Value of type 'NSMutableArray' has no member 'append'"

    static func saveUserData()
    {
        let item:NSDictionary = ["TIME":"12:00","LOCATION":"here"]
        let paths = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)
        let documentsDirectory = paths[0]
        let filePath = documentsDirectory + "/datafile.dat"
        var readArray:NSMutableArray? = NSMutableArray(contentsOfFile: filePath)

        if var array = readArray {

            print("loaded array - appending..." )

           // PROBLEM IS HERE 
             var damnArray:NSMutableArray = array
             damnArray.append(item)
         } else {
           //
         }
    }

append it is only available to Swift native array type. – Leo Dabus Jul 28 '16 at 16:25 — Leo Dabus, Jul 28 '16 at 16:25

Nirav D · Accepted Answer · 2016-07-28T16:30:15.103

12

Because you are using NSMutableArray, you need to use addObject

damnArray.addObject(item)

append is used with swift array like this way

var arr = [Int]()
arr.append(5)

For more detail about swift array check this apple documentation or this tutorial.

edited Jul 28 '16 at 16:30

answered Jul 28 '16 at 16:25

Nirav D

71,513
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Can you please tell me the difference between declaring an array like `var arr : [[String : Any]]?` and `var arr = [[String : Any]]()`. I am so much confused in these. Please help me with it. – iPeter Mar 29 '18 at 14:53

score 1 · Answer 2 · answered Jul 28 '16 at 16:41

Your had declared dammArray as NSMutableArray. So there is no method append is available. Append is available in swift array object.

 var damnArray:NSMutableArray
 damnArray.addObject(item)

or

 var damnArray = [NSDictionary]()
 damnArray.append(item)

score 0 · Answer 3 · edited Apr 16 '19 at 13:21

0

As per your answer and syntax this worked for me thanks, in my code which is:

@IBAction func btnSend(_ sender: UIButton)

{

    //data.append(tfData.text!)

    data.add(tfData.text!)
    tblViewList.reloadData()

    tfData.resignFirstResponder()
}

edited Apr 16 '19 at 13:21

Joey Phillips

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answered Apr 16 '19 at 12:31

Zaid Mansuri

1

Append to array in swift - has no member append?

3 Answers3