CODEWITHSUNDEEP
iosswiftuitableview
Rupshikha
Rupshikha

Reputation: 223

Swift refresh tableview cell data

I am using tableview to show some data from json. I am using an array of object to populate those data. Now I want to refresh those data after a certain time(e.g. 10 sec) like yahoo cricket mobile app. Can any one please suggest me how can I do this?

Upvotes: 2

Views: 1517

Answers (3)

Amit Singh
Amit Singh

Reputation: 2698

Schedule a timer which run for every 10 sec as

timer = NSTimer.scheduledTimerWithTimeInterval(10, target: self, selector: #selectior(refresh), userInfo: nil, repeats: false)
}

func refresh() {
    // fetch Data from Server
}

After fetching the data, populate your array again and use tableView method reloadData to reload the tableView

tableview.reloadData()

To update some rows of the data you can use code below. Here I'm demonstrating one row update, you can do the same with multiple row update by passing as many as indexPath in an array you want

//suppose you want to update row 0 for section 0, create indexPath as
let indexPath1 = NSIndexPath(forRow: 0, inSection: 0)
tableview.reloadRowsAtIndexPaths([indexPath1], withRowAnimation: .Automatic)

If you want to update your particular section, do this

//suppose you want to update your section 0
let indexSet = NSIndexSet(index: 0)
profileTableView.reloadSections(indexSet, withRowAnimation: .Automatic)

Upvotes: 0

Tarvo Mäesepp
Tarvo Mäesepp

Reputation: 4533

Using timers is one way you can do it, In ViewDidload 

   self.myTimer = NSTimer(timeInterval: 10.0, target: self, selector: "refresh", userInfo: nil, repeats: true)
        NSRunLoop.mainRunLoop().addTimer(self.myTimer, forMode: NSDefaultRunLoopMode)

    func refresh() {
        tableview.reloadData(); //refresh the table
    }

Upvotes: 2

CZ54
CZ54

Reputation: 5586

The most easy way is to use an NSTimer.

class ViewController: UIViewController {

    var timer : NSTimer!
    override func viewDidLoad() {
        super.viewDidLoad()
        timer = NSTimer.scheduledTimerWithTimeInterval(10, target: self, selector: #selectior(fetch), userInfo: nil, repeats: false)
    }

    func fetch() {
        // do your stuff here
    }
}

Upvotes: 0

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