Category "swift"

Downloading and Processing .xls (Excel) files in Swift

I want to build an Iphone app that can download an Excel file and show the content in a table. I think i managed to download the file but the data i get looks

How to make UIImageView animation wait for dynamicAnimator behavior to finish to start animating

I'm working on an animation for an app, where a shoe box falls from the top of the screen and lands on a pedestal, then the box opens. I was wondering if there

Is there any way to swipe to delete/ Add actions into cell in UITableview Diffable datasource?

I am trying to add swipe actions into my tableview. when I used simple tableview datasource method it worked fine (trailingSwipeActionsConfigurationForRowAt). b

How can I set the Dragging Image in SwiftUI on macOS

I am trying to change the preview image for drag and drop from the default for a GridView which seems to include all the visible items in the grid. As I underst

Getting the difference between two Dates (months/days/hours/minutes/seconds) in Swift

I am trying to get the difference between the current date as NSDate() and a date from a PHP time(); call for example: NSDate(timeIntervalSinceReferenceDate: 14

How can I debounce a method call?

I'm trying to use a UISearchView to query google places. In doing so, on text change calls for my UISearchBar, I'm making a request to google places. The proble

Keychain access control from the app with different names

I am using keychain in my macOS app to store jwt tokens (access and refresh)(kSecClassGenericPassword) and I have figure out that I can't manage existed data vi

Keychain access control from the app with different names

I am using keychain in my macOS app to store jwt tokens (access and refresh)(kSecClassGenericPassword) and I have figure out that I can't manage existed data vi

failed: permission_denied when setValue: or removeValue: in Firebase Database | Swift 4

I have seen lots of answers in stackoverflow but none is working for me! This is my code: import UIKit import Firebase class ViewController: UIViewController

How to make a gradient circular path in Swift

I want to create a gradient circular path like the following image: and I have the following code: circularPath = UIBezierPath(arcCenter: .zero, radius:

Need to check that braces in given array are balanced or not

Braces in a string are considered to be balanced if they met the following conditions, All braces must be closed. braces come in a pair of the form of (), {},

MapAnnotation, how can we decide the zIndex of an Annotation?

when using the MapKit.Map to display multiple Annotation overlapping, everything works properly whether you use MapPin, MapMarker or MapAnnotation. The tricky p

How to check is a string or number

I have an array ["abc", "94761178","790"] I want to iterate each and check is a String or an Integer? How to check it ? How to convert "123" to integer 123

How to save a color in NSUserDefaults in swift?

I have a litle problem with saving a color in NSUserDefaults . In objective-c is easy : -(NSColor *)colorForKey:(NSString *)key{ NSData *data; NSColor *color

Get class name of UIViewController in swift

How do you get the class name of a UIViewController class in Swift? In Objective-C, we can do something like this: self.appDelegate = (shAppDelegate *)[[UIAppli

Unique Identifier for scheduling notifications, Swift 3 iOS 10

I am scheduling notifications with Unique Identifiers so I don't have to make a new String for each notification. This all works well for scheduling but the pro

How to round a Double to the nearest Int in swift?

I'm trying to make a calculator of growth rate (Double) that will round the result to the nearest Integer and recalculate from there, as such: let firstUsers =

dispatchGroup.notify(queue: inheriting QOS from the current context

Is there a way to dispatchGroup.notify(queue: inheriting QOS from the current context? (assuming there IS qos metainfo that's dragged through all the contexts t

SwiftUI - menu not appearing and double toolbar for NavigationView

I am creating a iOS app with XCode. All source code has been written and compiled. The app runs in the iOS simulator. The user interface was created in SwiftUI

How to use NSLocalizedString function with variables in Swift?

I'm trying to localize my app using NSLocalizedString. When I import the XLIFF file, most works like a charm but something do not and some string is not localiz