ios

[Solved] JSON response and NSDictionary

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[ad_1] You can fetch data from JSON like below way as well, id jsonObjectData = [NSJSONSerialization JSONObjectWithData:webData error:&error]; if(jsonObjectData){ NSMutableArray *idArray = [jsonObjectData mutableArrayValueForKeyPath:@”ID”]; NSMutableArray *nameArray = [jsonObjectData mutableArrayValueForKeyPath:@”Name”]; } 1 [ad_2] solved JSON response and NSDictionary

[Solved] how to clear project cache memory?

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[ad_1] It sounds like you need to remove some data from NSUserDefaults. From This answer on StackOverflow: The easiest way to clear NSUserDefaults is by using one of the following: Option 1 [[NSUserDefaults standardUserDefaults] setPersistentDomain:[NSDictionary dictionary] forName:[[NSBundle mainBundle] bundleIdentifier]]; Option 2 NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier]; [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain]; Or if you’re using Swift: … Read more

[Solved] Objective c: download a file with progress view [closed]

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[ad_1] You can get expected total file size in following callback method of NSURLconnection, – (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { expectedTotalSize = response.expectedContentLength; } then in the following callback method you can calculate how much data has been recieved, – (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { recievedData += data.length; } And you can use UIProgressView to … Read more

[Solved] What is wrong with the last line of code here?

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[ad_1] It looks like you want to change [self.view addSubview:imageView]; to [catView addSubview:imageView]; See https://teamtreehouse.com/forum/programming-a-background-stuck-on-code-challenge [ad_2] solved What is wrong with the last line of code here?

[Solved] How to display Comma separated and Fractional values in UITextfiled? [closed]

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[ad_1] Since you want the UITextField to have a maximum of 7 integer digits, you’ll need to validate every modification, and prevent any that result in a number with > 7 integer digits. The simplest way I know to do that is the UITextFieldDelegate method shouldChangeCharactersInRange: – (BOOL) textField:(UITextField*)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString*)string { NSString* modifiedFieldText = … Read more

[Solved] How do I create this type of view in iOS [closed]

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[ad_1] It appears to be either a UICollectionView or UITableView, with UICollectionViews embedded in each cell. A UITableView should be fine for the main container view, as it provides vertical scrolling, and then UICollectionViews can be used for the horizontally scrolling content in each cell. [ad_2] solved How do I create this type of view … Read more

[Solved] expected Declaration (Won’t Compile) [duplicate]

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[ad_1] Try this. I’m assuming the return true does not belong there. You can’t return a value outside of a method. override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) { if editingStyle == .delete { self.contacts.remove(at: indexPath.row) tableView.deleteRows(at: [indexPath], with: .fade) } } [ad_2] solved expected Declaration (Won’t Compile) [duplicate]

[Solved] Value of type ” has no member ” in swift

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[ad_1] The function retrieveContactsWithStore must be outside of the @IBAction @IBAction func btnContactsTapped() { let store = CNContactStore() if CNContactStore.authorizationStatus(for: .contacts) == .notDetermined { store.requestAccess(for: .contacts, completionHandler: { (authorized, error) in if authorized { self.retrieveContactsWithStore(store: store) } }) } else if CNContactStore.authorizationStatus(for: .contacts) == .authorized { self.retrieveContactsWithStore(store: store) } } func retrieveContactsWithStore(store: CNContactStore) { do … Read more

[Solved] Update code to swift 2 [closed]

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[ad_1] You have to use this code in try catch like below.. if let rtf = NSBundle.mainBundle().URLForResource(“rtfdoc”, withExtension: “rtf”) { do { let attributedString = try NSAttributedString(fileURL: rtf, options: [NSDocumentTypeDocumentAttribute:NSRTFTextDocumentType], documentAttributes: nil) textView.attributedText = attributedString textView.editable = false print(attributedString) } catch let error as NSError { print(error.localizedDescription) } } [ad_2] solved Update code to swift … Read more

[Solved] How to create reminders that don’t have to be shown in the Apple’s Reminders app

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[ad_1] Just for the record, what I was looking for was User Notifications. Here is a complete example. User Notifications func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in if granted{ print(“User gave permissions for local notifications”) }else{ print(“User did NOT give permissions for local notifications”) … Read more