Code given below will help you to format mobile number like (XXX)-(XXX)-XXXX you just need to call this method in your shouldChangeCharactersIn method like this, func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { // phonenumber write in specific formate if …
Get date before year
public func getDateBeforeYear(year : Int) -> Date{ let gregorian: NSCalendar = NSCalendar(calendarIdentifier: NSCalendar.Identifier.gregorian)! let currentDate: Date = Date() let components: NSDateComponents = NSDateComponents() components.year = -year return gregorian.date(byAdding: components as DateComponents, to: currentDate, options: NSCalendar.Options(rawValue: 0))! }
RecyclerView space between items expanding when scrolling
We need to change row child item layout parent properties android:layout_height=”match_parent” to android:layout_height=”wrap_content”
UILable Text Spacing
extension UILabel{ func setTextSpacing(spacing: CGFloat){ let attributedString = NSMutableAttributedString(string: text!) if textAlignment == .center || textAlignment == .right { attributedString.addAttribute(NSKernAttributeName, value: spacing, range: NSRange(location: 0, length: attributedString.length-1)) } else { attributedString.addAttribute(NSKernAttributeName, value: spacing, range: NSRange(location: 0, length: attributedString.length)) …
Image got hide while switching Xcode 7.3 to 8.0
To overcome that issue go to xib/ storyboard File Inspector – identity and type tab, move to interface builder document just select open in Xcode 7.1. Please find attached for more detail.
Use iPhone as Server Using CocoaAsyncSocket Framework
CocoaAsyncSocket provides easy-to-use and powerful asynchronous socket libraries for Mac and iOS. The classes are described below. The CocoaAsyncSocket library comes into play when we have to deal with sockets, ports, and connections. It also helps us with sending data from one end of the …
Username Validation without space and max length
Call function from text field delegate method and get valid username. let USERNAMERANGE = “ABCDEFGHIJKLMONPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_.” let KALERTVALIDUSERNAME = “Username can only use letters, numbers, underscore and periods.” public func setUsernameFormate(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String)-> Bool{ var strUserName = textField.text! as …
How to store username/password in keychain for security purpose?
You should always use Keychain to store usernames and passwords, and since it’s stored securely and only accessible to your app, there is no need to delete it when app quits (if that was your concern). Apple provides sample code that stores, reads and deletes …
Strong Password Validation
public func isValidPassword(strPassword : String) -> Bool{ let charactersetspecialcharacter = CharacterSet(charactersIn: “abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLKMNOPQRSTUVWXYZ0123456789”) if strPassword.rangeOfCharacter(from: charactersetspecialcharacter.inverted) == nil { return false } let capitalLetterRegEx = “.*[A-Z]+.*” let textcapitallattertest = NSPredicate(format:”SELF MATCHES %@”, capitalLetterRegEx) …
Image Caching With AFNetworking causes memory warning in UICollectionView
We have use SDWebImage instead of AFNetworking to handle memory warning. You can find swift code from below link. here is below code: [imageView sd_setImageWithURL:[NSURL URLWithString:@”http://www.domain.com/path/to/image.jpg”] placeholderImage:[UIImage imageNamed:@”placeholder.png”]]; // Some time may possible that this cause memory warning than use below code to overcome(This causes …