as? is use to cast one type to another, you are asking Xcode to cast response to another type, but haven’t told it what to cast it to. As the error says, its expecting to see a type after the keyword as 2 solved Expected type after as
goto File > New > File or use shortcut key (COMMAND+N) Select Cocoa Touch Class Enter Class Name AddCommentsViewController Select Subclass of UIViewController Press Next and then press create. A new Cocoa Touch class named AddCommentsViewController is created inherit from UIViewController solved What is inheriting in swift 4
First you should do is to properly define type of the graph, because unlike Python you have to specify types in Swift in declaration: var graph: [String: [String: Int]] // Dictionary(hash table) with keys of type String and values of type Dictionary<String, Int> Then you should initialize graph with some initial value, because in Swift … Read more
There are 52 weeks in a year, so weeklySalary = yearlySalary / 52. If you want hourly, there are 40 working hours in a week, so hourlySalary = weeklySalary / 40. 0 solved Converting Yearly Salary to Weekly in Swift
Don’t use NSDictionary in swift. Use [String:Any]. Get all values of the dictionary and join the array of strings. And join the error with a new line as a separator. let jsonObj:[String: Any] = [“error”: [ “email”: [“The email has already been taken.”], “phone”: [“The phone has already been taken.”]] ] if let errorMsgs = … Read more
There is not enough information to debug this specific problem but it is likely that the JSON response you are receiving has optional fields. Fields that are expected to be empty for certain responses. This part of your code, if let dictionary = jsonData as? [String: Any], let results = dictionary[“results”] as? [[String: Any]], !results.isEmpty, … Read more
when I swipe form left to right, the controller is being shown from right Disclaimer: I usually am in Cocoa so not all here may work. The tableView is in focus, so is also first responder and so the UIScrollView in which the TableView is embedded eats your swipes and scrolls instead. One option if … Read more
You should refresh your memory (no pun intended) what a memory leak is. No, having thousands of entries in memory does not necessarily lead to memory leak (the main source of memory leaks in Swift are closures). It could, however, increase the memory pressure – which means your app could run out of free memory … Read more
To get things materialistic and kick off, for building charts in iOS try Charts library. One of the best third-party libs out there. Or check this list for even more awesome iOS charts libraries. solved How can I put in charts with swift 3 Xcode 8?
Well you question is divided into 2 parts and I’ll answer them both. 1- What you are looking for is UIGestureRecognizer where it’ll recognize a gesture and do an action accordingly. Here is a link taht will help you out! https://www.raywenderlich.com/76020/using-uigesturerecognizer-with-swift-tutorial 2- Unlocking the phone is impossible without jailbreak. Your gestures are bound to your … Read more
Let’s define some testing data. Let’s have a function: func getClosest(count: Int, from values: [Int], to targetNumber: Int) -> [Int] and we will test with the following: let array = [1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000, 11000, 12000, 13000, 14000, 15000, 16000, 17000] print(getClosest(count: 5, from: array, to: 1000)) print(getClosest(count: 5, … Read more
First of all you need to convert the raw response from the server to a Swift Dictionary. let payload = [ “cars”: [ [ “color”: “red”, “model”: “ferrari”, “othersAtributes”: “others atributes” ], [ “color”: “blue”, “model”: “honda”, “othersAtributes”: “others atributes” ], [ “color”: “green”, “model”: “ford”, “othersAtributes”: “others atributes” ], [ “color”: “yellow”, “model”: “porshe”, … Read more
I fixed your code using Swift 3 syntax. class SignUp: UIViewController { @IBOutlet weak var buttonNameTxt: UITextField! @IBOutlet weak var buttonEmailTxt: UITextField! @IBOutlet weak var buttonPwdTxt: UITextField! override func viewDidLoad() { super.viewDidLoad() } @IBAction func buttonSignIn(_ sender: UIButton) { let usermainname = buttonNameTxt.text! let username = buttonEmailTxt.text! let password = buttonPwdTxt.text! let myURL = URL(string: … Read more
txtOutput should be connected as @IBOutlet and not as a @IBAction with @IBAction you only trigger some actions but you don’t get a reference to the object with @IBOutlet you get a reference to the object and can access the properties like .text of this object Just be carefully when you drag the connections from … Read more
In which format do you want to convert. Try this one with your desired format if let dateString = JSONList[indexPath.row].createdDate{ let dateFormatter = DateFormatter() dateFormatter.locale = Locale(identifier: “en_US_POSIX”) dateFormatter.dateFormat = “yyyy-MM-dd HH:mm:ss” dateFormatter.timeZone = TimeZone(secondsFromGMT: 0) let date = dateFormatter.date(from: dateString) dateFormatter.dateFormat = “dd/MM/yyyy” let dateStr = dateFormatter.string(from:date!) cell.Date.text = dateStr } 0 solved How … Read more