Errors were encountered while preparing your device
One of the common error that occurs in Xcode is “Error were encounted while preparing your device for development. Please check the Devices and Simulators ...
We have blocked all requests from this device - Firebase Phone Authentication
Firebase enables apps with Phone Authentication feature but when testing your app you might have received the following error. We have blocked all reques...
iPhone is not available error message in Xcode
If you are receiving an error “iPhone is not available” when connecting Xcode with iPhone then check iOS version on your iPhone. Make sure it is compatible w...
Clear CocoaPods cache, re-download and reinstall all pods
Here is the code snippet to clear CocoaPods cache then re-download and reinstall all pods. rm -rf “${HOME}/Library/Caches/CocoaPods” rm -rf “`pwd`/Pods/” ...
PDFKit - View, Annotate PDF file in Swift
In this demo, we will be using PDFKit to View and Annotate PDF file. Let us start by selecting a Single View App template and name the project as PDFDemo. ...
Tab Bar Controller with WebView
In this article, we will see step by step instruction on working of Tab Bar Controller, UIWebView and Activity Indicator by loading couple of web pages using...
CoreData tutorial in Swift 5 using NSFetchedResultsController
Let us see an example TaskManager app using CoreData written in Swift Programming language. This app provides the following functionality Allow user...
Storyboard, Scene and Segue
Storyboard in iOS is helps you to design the user interface of your App. A storyboard can contain one or more Scenes (View Controllers) and the connection or...
Get your current address in Swift (Swift 5)
In this Swift tutorial, we will see the steps required for using CoreLocation framework and retrieve the latitude and longitude of the location. Then use the...
Value for SWIFT_VERSION cannot be empty.
This error occurs when the Swift version is not specified under Swift Compiler Languge for your project. All you need to do is, Navigate to Build Settings -&...