Swift and Objective C are the two most popular programming languages that are used for iOS app development. However, in the past few years, application developers are switching to Swift programming language over the object-c language.
Because of this, the migration process has also been increased for converting an objective-C app into a swift application. Today many iPhone app development Agency are opting for this process as well.
Instead of converting all the class at once, it’s better to convert one class at a time. As swif cannot have subclasses, you can use two files that contain an interface section in the header file & implementation section in another.
Once the objective-C file is added to the Swift target Xcode develops a bridging header. It is a header file that got the default name form the target that you can easily modify as per need.
In objective-C when you sent a message to a nil object, it will return a zero value. It is important to perform these nil checks before converting from Objective-C to Swift. You will get a generic enum that has a value that doesn’t exist altogether.
Apple has brought a new tool known as Tuples. To group multiple values into a compound value.
In Objective-C, every extension is combined to form a single entity in Swift. You don’t have to fetch the source code for the extending types even though it provides new functions to the structure, protocol, & class.
In Swift, each function is formed with a type because swift follows an easy approach to the function syntax.
It contains the function parameter types & return type. Here developers can give a default value to the parameter.
Today, Swift has become the most popular choice among app developers and iOS App Development Company, as it offers many great benefits over objective-C. Many Swift Developers have already chosen to convert their application from Objective-C to Swift.
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