swift3

问题 I am following this tutorial here... And the issue I am having is I keep getting the error. "Type Any has no subscript members Error" in this function... func allItems() -> [TodoItem] { let todoDictionary = NSUserDefaults.standardUserDefaults().dictionaryForKey(ITEMS_KEY) ?? [:] let items = Array(todoDictionary.values) return items.map({TodoItem(deadline: $0["deadline"] as! NSDate, title: $0["title"] as! String, UUID: $0["UUID"] as! String!)}).sort({(left: TodoItem, right:TodoItem) -> Bool in

问题 I am trying to preprocess images for OCR(tesseract) on my app, I have found a great script for doing this on Freds ImageMagick Scripts but I don't know how to use Image Magick within an iOS app let alone then run a script to do so. I have googled around and not found much to help so I'm wondering if is possible? I apologise for this being such an open question. Any help would be great. Thanks 来源： https://stackoverflow.com/questions/42763965/imagemagick-ios-image

问题 this scrollToCaretInTextView function was working in Swift 2, but on converting to Swift 3, it has an error message that I can't find a solution to. Here is the code: @IBOutlet weak var emailBody: UITextView! override func didRotate(from fromInterfaceOrientation: UIInterfaceOrientation) { scrollToCaretInTextView(textView: emailBody, animated: true) } func scrollToCaretInTextView(textView:UITextView, animated:Bool) { var rect = emailBody.caretRectForPosition((textView.selectedTextRange?.end)!)

问题 I'm trying get a value out of the selected row in UIPickerView and, depending on the selected row, set a time interval for repeating notifications. i.e., users choose "Every 2 minutes" in UIPickerView and get a notification every 120.0 seconds. The second "didSelectRow" method does not seem to store the value in my variable interval , I didn't find a solution for that so far. This is my code so far: import UIKit import UserNotifications import UserNotificationsUI class ViewController:

问题 I'm trying to get user to authenticate my app to work with his data stored on MapMyRun(https://developer.underarmour.com/apps/myapps). Here is my code: let oauth2 = OAuth2CodeGrant(settings: [ "client_id": "asdasdasd", "client_secret": "asdasdasd123", "authorize_uri": "https://www.mapmyfitness.com/v7.1/oauth2/uacf/authorize/?client_id=asdasdasd&response_type=code&redirect_uri=http://localhost.mapmyapi.com:12345/callback", "token_uri": "https://api.mapmyfitness.com/v7.1/oauth2/access_token/",

问题 I'm trying to get user to authenticate my app to work with his data stored on MapMyRun(https://developer.underarmour.com/apps/myapps). Here is my code: let oauth2 = OAuth2CodeGrant(settings: [ "client_id": "asdasdasd", "client_secret": "asdasdasd123", "authorize_uri": "https://www.mapmyfitness.com/v7.1/oauth2/uacf/authorize/?client_id=asdasdasd&response_type=code&redirect_uri=http://localhost.mapmyapi.com:12345/callback", "token_uri": "https://api.mapmyfitness.com/v7.1/oauth2/access_token/",

问题 I am making a simple webview using Swift 3 . But after run am getting only the blank screen. It is not opening the link which I put in url request. import UIKit class ViewController: UIViewController { @IBOutlet var webView: UIWebView! override func viewDidLoad() { super.viewDidLoad() let url = URL (string: "http://www.google.net"); let request = URLRequest(url: url!); webView.loadRequest(request); // Do any additional setup after loading the view, typically from a nib. } override func

问题 Since I updated my amazon web services app I created with AWS Mobilehub to swift 3 I receive the following error message: As soon as I use "!" to remove the error my app crashes due to a fatal error: 回答1: Sorry, but the AWS Mobile Hub console does not yet provide Swift 3 sample app code. The Swift sample app download can only be used with the legacy compiler setting in the Xcode project. We have received multiple requests for Swift 3 support, so we are working to prioritize it, but I can't

问题 I have HomeViewController that's segued modally to a Navigation Controller with an identifier of: pickSubjectAction And on SubjectPickerTableViewController is where my subjects to choose. This is my code import UIKit class SubjectPickerTableViewController: UITableViewController { var subjects:[String] = [ "English", "Math", "Science", "Geology", "Physics", "History"] var selectedSubject:String? { didSet { if let subject = selectedSubject { selectedSubjectIndex = subjects.index(of: subject)! }

问题 I want to ask the user for permissions (remote and local notifications, camera and audio) from a separate viewController. The viewcontroller will be presented during the onboarding process, and never again. How can I ask for permissions to display remote notifications outside the AppDelegate? My question is not how to trigger them, but how to make sure that the AppDelegate is "responsible" for handling them once a permission have been granted. Current code in AppDelegate import UIKit import