After Xcode creates your certificates and profiles for you, export them to create a backup of all your assets. You do this to, for example, transfer your assets to another…
Category: Programming
Overview of the Project Navigator in Xcode
Overview of the Project Navigator in Xcode You have to work within the context of an Xcode project to develop an iOS app. After you have created your project in…
How to create login screen with alert view Controller using UIAlertController in SWIFT
How to create login screen with alert view Controller using UIAlertController in SWIFT Alert views can also be used with text field. You can use it to quickly get some…
Swift Sets and their Methods in IOS !
In Objective-C there were three basic types of Data Structures, NSArray, NSDictionary, and NSSet. In Objective-C, the immutable and mutable forms were separate, so you also had NSMutableArray, NSMutableDictionary, and…
Naming conventions in IOS !
Naming constants When talking about constant, there is a distinction worth making: public string IDs that identify a specific class of objects by being unique such as NSNotification names, NSError…
ERROR Handling in swift !
Ideally, errors should never occur. File we need should always be available and networks should always be present and reliable. Unfortunately this reality is not ideal and we have to…
Sample code of Concurrency, NSOperation, NSOperationQueue on SWIFT !
One way to perform operations concurrently in iOS is with the NSOperation and NSOperationQueue classes. What’s a poor developer to do? The solution is to move work off the main…
What is NSOperationQueue or NSOperation in SWIFT ?
What is NSOperationQueue or NSOperation in SWIFT ? NSOperation is an abstract class which can’t be used directly so you have to use NSOperation subclasses. In the iOS SDK, we…
Asynchronous Operations with Grand Central Dispatch in SWIFT !
We call them Global Dispatch queues. These queues are global to the application and are differentiated only by their priority level. To use one of the global concurrent queues, you…