Either the personPic outlet isn’t connected, or the “stupidsonny” image isn’t getting found and loaded. It’s hard to tell which since they’re both being accessed on the same line. To help narrow it down, you could put a ! where you load the image: personPic.image = UIImage(named: “stupidsonny”)! 1 solved Im creating a facial recognition … Read more
You can do it this way, first is to convert the html xml to html and create an empty file then save it as .html and load it to your webView. Once you have the .html file you can do this on your viewController: @IBOutlet weak var productWebView: WKWebView! override func viewWillAppear(_ animated: Bool) { … Read more
So all you really need is a data structure that allows you to store your data and allow it to be passed between view controllers. The simple approach would be to have: struct PictureDetail { photo: UIImage text: String } Depending on the volume/size of images, you’d probably better actually holding the photos as files … Read more
You don’t need to wait or something as the method shuffle is synchronous , which means next line will run after it finishes shuffling var arr = [“1″,”2″,”3”] arr.shuffle() print(arr) // [“2”, “1”, “3”] solved check when the array has finished shuffling to do some operation
Looking at the headers for BarCodeKit, I’d suggest you use the class method: + (instancetype)code39WithContent:(NSString *)content error:(NSError *__autoreleasing *)error; E.g. in Swift 4.2: do { let barcode = try BCKCode39Code.code39(withContent: string) // or use rendition with `withModulo43` parameter imageView.image = UIImage(barCode: barcode, options: nil) } catch { print(error) } 4 solved How to convert BarCodeKit … Read more
storyboard is optional because it’s possible to instantiate view controller another way, e.g. from xib or programmatically, link to docs; navigationController is optional since there can’t be one, obviously; as is used for type casting. All these answers can be found in documentation, it would be much faster to look there at first ? solved … Read more
I can’t constrain it to the specific button though because I don’t have IBOutlets and would rather not add them Then you are totally stuck. Your requirements are self contradictory. Without a reference to the button of some kind, you cannot possibly make a constraint to it programmatically. There is no “whoever my nearest neighbor … Read more
You can’t access it because it’s how it is designed (for now this info will be enough). What you need to do to access it: Create functions that will trigger your event when you need to do those checks for those certain conditions. In those functions you can access the Outlet. For example: add the … Read more
It seems you may be inadvertently passing the array self.gname instead of a simple String. From the context I have, I can’t tell if you’re trying to pass in an array or a string. Your code is making much too much use of the “no type” types, such as Any and AnyObject. You are explicitly … Read more
So you want to hide one of your UITableViewCells? Ill think the easiest way is to add some more information to your “Row Data Array”. For example: You have 10 Columns, and you want to hide 4 Specific Column. You have a function called “getRowData” – this returns (when no filter is selected) all 10 … Read more
I am breaking the rules by giving up the answer when it appears you have not googled enough. The general rule is to show the code you have attempted and indicate what part you are having issues with. The code below will achieve what you are attempting to do. import UIKit class slidingIamgesViewController: UIViewController { … Read more
In your view controller you need to add UITextFieldDelegate which will allow you to access methods related to your text field. The top of your view controller should look like this: class ViewController: UIViewController,UITextFieldDelegate //set delegate to class You then need to set the delegate of your text field to self in viewDidLoad and add … Read more
Apple has a nice tutorial on it, with pictures and full walkthrough. Basically you need to enable landscape mode in Xcode: 1 solved Landscape mode ios, swift, xcode
Usually you don’t save strings directly to Core Data. It is meant to store enteties, which may have strings as their properties though. If you push view controller with UITableView from your current view controller and you don’t really need to persist your data, you can save every string user enters into your textfield in … Read more
why don’t use APNs. if server data is changed, you can send APNs to your app and then refresh your data on your phone. here is site that you can get helps. APNs Overview push-notifications-tutorial 1 solved How do I force an iOS app make a network call every second? [closed]