NSMutableString.string is a hack. It “works” for the same reason that myString.length and [myString length] produce the same result. However, since dot notation is not used with an actual property, it is an abuse of the language feature, because properties have a different semantic. For example, when you access a property multiple times, you naturally … Read more
This is rough translation to Swift…no tested. // Define some colors. var darkGray: UIColor = UIColor.darkGrayColor() var lightGray: UIColor = UIColor.lightGrayColor() // Navigation bar background. UINavigationBar.appearance().barTintColor = darkGray UINavigationBar.appearance().tintColor = lightGray // Color of typed text in the search bar. var searchBarTextAttributes: [NSObject : AnyObject] = [NSForegroundColorAttributeName: lightGray, NSFontAttributeName: UIFont.systemFontOfSize(UIFont.systemFontSize())] UITextField.appearanceWhenContainedInInstancesOfClasses([UISearchBar.self]).defaultTextAttributes = searchBarTextAttributes // Color … Read more
Keep products as structures: struct Product { let id: Int let quantity: Int let price: Double } then define array: internal static var productArray = [Product]() and add your products. let product = Product(id: 1, quantity: 99, price: 1.99) productArray.append(product) internal static prefix lets you to reach the array throughout the app. However, I don’t … Read more
You need to check if the key is really a string in your case. I doubt that. would have added as a comment.. but have lesser reputation, so please ignore. 2 solved NSString thinks it is null
You have a NSDictionary but are trying to use it as an array. What you need is an array of dictionaries. I would recommend you changing your code a little bit. var posts: [[String: String]] = [] // This creates an empty array of dictionaries. override func viewDidLoad() { super.viewDidLoad() posts = [ [ “username”: … Read more
Nope, A is the superview of B, and B is the superview of C viewA.addSubview(viewB) viewB.addSubview(viewC) 1 solved What exactly is a superview?
– (int) GetCount :(NSString *)UserID { [self createEditableCopyOfDatabaseIfNeeded]; [self initializeDatabase]; int count = 0; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@”dbfav2table.sqlite”]; if (sqlite3_open([path UTF8String], &database) == SQLITE_OK) { sqlite3_stmt *statement; NSString *sql_str = [NSString stringWithFormat:@”SELECT count(*) FROM tablename WHERE userID=’%@'”, UserID]; const char *sqlStatement = (char … Read more
See if below code works for you, Add ‘NSAppleMusicUsageDescription’ to your Info.plist for the privacy authority. Make sure your music is available in your iPhone. It will not work in the simulator. import UIKit import AVFoundation import MediaPlayer class ViewController: UIViewController, MPMediaPickerControllerDelegate { var musicPlayer: AVAudioPlayer? var pickerVC: MPMediaPickerController? var mediaItems = [MPMediaItem]() let currentIndex … Read more
You want to create a web browser so users can follow links from your app…or site….to other sites on the web? Why not just create a “link” in your app then create a webview to display the content. I think you are biting more than you can chew….or should chew. 3 solved Creating an Android, … Read more
Follow this sample logic .This may be useful for you. -(void)viewDidLoad{ isCount = 0; // int value. UIImage * image1 = [UIImage imageNamed:@”SampleImage1.png”]; UIImage * image2 = [UIImage imageNamed:@”SampleImage2.png”]; UIImage * image3 = [UIImage imageNamed:@”SampleImage3.png”]; UIImage * image4 = [UIImage imageNamed:@”SampleImage4..png”]; UIImage * image5 = [UIImage imageNamed:@”SampleImage5.png”]; UIImage * image6 = [UIImage imageNamed:@”SampleImage6.png”]; UIImage * … Read more
You should get the outlet of the buttons to edit its properties. What you have got is a action of that button for the a particular event like touchUpInside. You should get the Outlet of the button like this: @IBOutlet weak var sampleButton: UIButton! and then set the backgroundColor in the viewDidLoad() : sampleButton.backgroundColor = … Read more
On your simulator option goto Hardware->Version->5.1 if 5.1 is not present there, goto Xcode->Preferences->Downloads->iOS 5.1 Simulator->Install Hope this info helps you.. 2 solved Apps not running in ios6 simulator [closed]
I went through all the below answers. But none of them produced the solution. The problem in all solution is the array is printed on same cell, leaving the other cell empty(including the answer provided by Vadian – it will give error because it is printing all the value in same row.). While printing an … Read more
I assume, that you have at least some knowledge of computer programming in some other language then Objective-C. I will talk about this line, but the same problem occurs in several lines in your code if(NSInteger >= 4) You compare the type NSInteger with a number (4). I assume you want to compare a variable … Read more
Looks like you may have an extra curly bracket since the unresolved identifier means that it doesn’t know about the item specified at the location that it’s written. I think you have an extra curly bracket after the “Declare hide keyboard tap” block of code. Proofread your code for small mistakes like that. Usually when … Read more