Category Archives: iOS

iOS is the operating system by Apple used in Apple’s mobile devices like iPhone,iPad,iPod.

Xcode SVN is scheduled for addition, but is missing Error

When a file is scheduled for commit according to svn records but is not present within the root directory, svn throws “is scheduled for addition, but is missing” error. There can be many causes for this error most common one is renaming the file from finder instead of refactoring and deleting… Read more »

Realm implementing GROUP BY query equivalent in swift

Realm GROUP BY query equivalent can be achieved in swift very effectively. Going ahead in the post I will create an imaginary requirement and I will guide you through the necessary solution. Let us start with our realm data model import UIKit import RealmSwift @objcMembers final class Room:Object{ dynamic var… Read more »

Xcode 10 – iOS simulator is not launching

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After installing Xcode 10, especially when Xcode 9 is also installed, It has been observed that at times simulator fails to launch while running a project. Following steps can resolve the Issue Clear derived data Xcode -> Preferences -> Location -> Derived data Open edit schemes and make sure for… Read more »

Unable to verify xcode and simulator installation

When running npm run ios some time an error comes $ react-native-scripts ios Starting packager… Starting simulator… Unable to check Xcode version: Error: Process exited with non-zero code: 1 Failed to start simulator: Unable to verify Xcode and Simulator installation. Exiting… The error can come if you don’t have any command… Read more »

App Transport Security basics

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App Transport Security (ATS)  is a network security feature on Apple platforms and is enabled by default. It ensures that applications implement industry standard security without known weaknesses and ensures data integrity and privacy. The purpose of App Transport Security is to improve sense of security in end users by… Read more »