iOS

Solution: Select your project -> Select the target ->select build Settings -> in search type "swift_version" then it will show your version you had used in your app.

Solution: If you had an variable with datatypes like Int,Float,Double,Nsnumber or others then you can easily convert that into String using below method. String(describing:yourValue)

Solution:         Btn.addTarget( self , action: #selector (btnPressed), for: UIControlEvents.touchUpInside) btnpressed function implementation will be like below      func  btnPressed() { }

Solution: The below functions are used for counting the number of characters in a particular string.     var yourString: String = "string count" If your string will be like above then Swift 4: yourString.count Swift 2: yourString. characters.count Swift 1: Count(yourString)

Solution: When using the CVCalender in pods try the below steps to avoid the auto date selection. 1)Search in your project workspace using the below keyword "matchedMonths". 2) In CVCalendarMonthContentViewController find the below lines if matchedMonths (current, presented) {                     selectDayViewWithDay (current. day , inMonthView: presentedMonthView)                 } else {                     selectDayViewWithDay ( CVDate (date: calendarView . manager                         . monthDateRange (presentedMonthView. date ).monthStartDate, calendar: calendar). day ,                                          inMonthView: presentedMonthView) ...

Solution: 1) First you have to download the carousalView using the below URL. https://github.com/nicklockwood/iCarousel 2) Open the examples folder and open swift3 Project using xcode. 3) Create folder named  iCarousel in your project. 4) IN the swift 3 example project find iCarousel.h and iCarousel.m files..Drag and drop those files to your project inside iCarousel folder. 5) Goto your project storyboard and create one UIView and select the class as iCarousel.Then create the outlet to your view.     @IBOutlet weak var carosalView: iCarousel ! class  ViewController:   UIViewController,iCarouselDataSource , iCarouselDelegate {      var   List : NSMutableArray ! = NSMutableArray ()     override func viewDidLoad() {          carosalView . type = . coverFlow } }     // MARK: - carousalViewDelegate ...

Solution: When you push the viewController using animated true then you must pop the viewController by animated true. When push the Viewcontroller using animated false then pop the viewcontroller using false.It will works good. Animated true Push:  self.navigationController?.pushViewController(vc,  animated: true) Pop: self.navigationController?.popViewController(animated: true)  Animated false Push:  self.navigationController?.pushViewController(vc,  animated: false) Pop: self.navigationController?.popViewController(animated: false)