ios

[Solved] JSON response and NSDictionary

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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 solved JSON response and NSDictionary

[Solved] how to clear project cache memory?

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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: if … Read more

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

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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 show … Read more

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

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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 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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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 = [textField.text … Read more

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

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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. solved How do I create this type of view in iOS … Read more

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

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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) } } solved expected Declaration (Won’t Compile) [duplicate]

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

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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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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) } } solved Update code to swift 2 [closed]

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

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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