You can use this : Since the data in items is array of dictionaries and link is not in internal array it is main dictionary so you can easily get this by passing link in as key. let link = “http://www.flickr.com/services/feeds/photos_public.gne?tags=swimming&format=json&nojsoncallback=1” let urlString = link let url = URL(string: urlString) URLSession.shared.dataTask(with:url!) { (data, response, error) … Read more
you can send data to server by using Alamofire API. It’s documention and implemention all the stuff are mentioned in the following link. https://github.com/Alamofire/Alamofire Just install it using Pods and it’s very easy to implement. create Network Class and create following function inside it. func get_Request(currentView : UIViewController,action : NSString,completionHandler: (NSDictionary -> Void)) { print(“Url==>>>”,mainURl … Read more
Not sure what this is: var mainController = ViewController() var movie = ViewController().self.movieArray[0] Regardless, ViewController() instantiates a new object of that class. At that point, it’s very likely movieArray has never been initialized and has no objects in it. 5 solved Why is this out of index?
override func tableView(tableView: UITableView!, viewForHeaderInSection section: Int) -> UIView! { var customView:UIView? customView.frame = // set frame according to tableview width and header height customView.backgroundColor = UIColor.greenColor() return customView } Hope this will help you. solved How to change text color in tableView section in swift
The most reliable way to get the next occurrence of a time is nextDate(after:matching:matchingPolicy: of Calendar because it considers also daylight saving changes. assuming datePicker is the NSDatePicker instance: let date = datePicker.date let calendar = Calendar.current // get hour and minute components of the given date let components = calendar.dateComponents([.hour, .minute], from: date) // … Read more
Try this var desriptionArray = [String]() for dataValues in responseObject[“result”] as! [[String: AnyObject]] { let name = dataValues [“description”] as! String desriptionArray .append(name) } OR for (index , element) in (responseObject[“result”] as! [Any]).enumerated() { let nameDict = element as! [String : AnyObject] let strDecription = nameDict[“description”] as! String desriptionArray .insert(strDecription, at: index) } solved While … Read more
When you push back to the origin viewController, It’s better to replace using “push” Segue by “popViewController” method . It’s also good using data consistent strategy. And the reason: You should consider the viewController’s lifecycle. When you push back to the origin viewController, using “push” Segue makes the origin viewController’s “viewDidLoad” method is called again. … Read more
Two things you can consider: 1. If you have to give permission for sharing document directory in your .plist. Then traverse through file app. 2. Or you have to use UIDocumentBrowserViewController and show list of file and directory. Please check this link : https://developer.apple.com/documentation/uikit/uidocumentbrowserviewcontroller 1 solved How to browse the document file in iOS [closed]
Your code cannot work. According to the given JSON the root object is an array [[String: Any]] and there is no key result at all. let json = “”” [{“id”:1,”class”:”A”,”Place”:{“city”:”sando”,”state”:”CA”}},{“id”:1,”class”:”B”,”Place”:{“city”:”jambs”,”state”:”KA”}}] “”” let data = Data(json.utf8) do { if let json = try JSONSerialization.jsonObject(with: data) as? [[String: Any]] { for item in json { if let … Read more
So you need a bit of math… In theory you need to draw a line from P3 to point X which lies between P1 and P2. The vector between P1 and X is actually a projection of P3-P1 to a line described by P1 and P2. So: X = P1 + (P3-P1)*((P2-P1)/(|P2-P1|)) * ((P2-P1)/(|P2-P1|)) To … Read more
Welcome to SO. You are using a function, findObjectsInBackground, that takes a completion closure. The completion closure is another function inside your cellForRowAt function. That function holds onto (captures) the completion closure you pass in and doesn’t call it until the background call is complete. The block you pass in does not return a value. … Read more
That looks like it is a pink to orange gradient with an opacity of about 60% What I would do is create it on a design software like Sketch (which I use and love). It is super easy to create a gradient on there and there are tons of tutorials. You can get a 30-day … Read more
Simply convert that last character to String and then String to Int. if let last = str.characters.last, let value = Int(String(last)) { print(value) } Edit: If you are having a number like cart10,cart11,…cart100… then to get the number after cart try this way. let str = “cart15” let cartNumber = str.characters.flatMap({Int(String($0))}).reduce(0, {10 * $0 + … Read more
Imagine you downloaded some data from the server. You will convert the data into a dictionary using let arrayOfDictionaries = try! NSJSONSerialization.JSONObjectWithData( data, options: .AllowFragments ) var techNames : [String] = [] var adminNames : [String] = [] Then you can iterate doing for dictionary in arrayOfDictionaries { if dictionary[“department”] == “Technology” { // Add … Read more
UICollectionViewDelegateFlowLayout func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath:NSIndexPath)->UICollectionViewCell { let cell = self.collectionView.dequeueReusableCell(withReuseIdentifier: “formCell”, for: indexPath) return cell } For number of item func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return 3 } For Get 3 cell in one row func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize { let … Read more