Swift is an object-oriented, functional, compiled programming language for developing IOS, OS X, tvOS, watchOS applications. Swift is based on Apple Inc. software design pattern, safety and research. Soon Swift became one of the top 5 programming languages and popular for developing applications for IOS, macOS, watchOS, and tvOS.
In recent years it's preferred over Objective C. Swift code very runs fast and it's safe. Its learning curve is fast and developers can learn it fast. Swift is included in Xcode since version 6 and built with open source LLM compiler. Swift uses the Objective-C runtime library so that it can run C, Objective-C, C++ and Swift code to run within one program.
Swift became one of the most used languages to create applications for IOS, watchOS, tvOS, and macOS. Currently IOS and Android have major market shares in the mobile operating system and nowadays everyone wants to have a mobile application for their users. Any new service says ecommerce, fintech applications all want to have mobile applications so that users can download them and use the service anytime with better interactions and mobile applications are a more convenient way to reach users. Most people in the world are using smartphones and wants all their services on the phone although you can have a mobile website to reach all the customer recently mobile applications usage is more than the mobile web and mobile applications usage would increase in future.
Now we got to know how important is mobile application presence for a company nowadays and everybody is developing mobile applications nowadays. It makes important to learn swift so that we can develop a mobile application for the IOS platform, macOS, watchOS or tvOS.
We have already discussed a lot about swift how it can help you to develop an IOS application, watchOS application, tvOS application, and macOS. There can be another case where you have your payment gateway or some other service for which you want to develop an SDK or library that can be integrated into any mobile application and your service will get integrated.
Suppose you have a shop which is famous but due to overcrowding in peak hours you are not able to serve all the customers properly where some are old who only want particular things and some are the new one who wants to see different things. A solution to this problem could be developed an order application where customers can see products or book the products that they want and you will get the orders on your server and you can delivery than at their doorstep. To develop an Iphone application you need to develop your application in swift and then put that app on the app store and your customers can download that app and use that for ordering.
Another case could be you are a well-established payment gateway and other companies want to have your payment gateway in their current mobile application. One way could be to develop and native SDK that can be integrated by different developers to integrate your payment gateway in their existing application. For supporting IOS you need to develop the application in swift language.
There are certain things you should know before starting your application development in Swift.
This tutorial is important for anyone who wants to start its career as IOS developer and develop different applications for IOS devices, tvOS, macOS and watchOS.