Chapter #2: First iOS Application

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I assumed you have Xcode installed in your MacOS PC or Laptop. If yes, then its great. We can continue this lecture. Else first you need to install the latest Xcode in your  MacOS  PC or Laptop. If you don't  know how to install Xcode, then go and check Chapter #1: Welcome to Xcode .  You will find the Xcode icon same as shown in the above image in your Launchpad or Application folder. Launch this App and you will get first window as shown above. The window presents following options: Get started with a playground :   This was introduced to the Swift language and Xcode 6. It's an interactive area which can be used to write small pieces of code to check runtime changes. It's a great way for Swift learners to be introduced to new Swift features. Create a new Xcode project :   Will create a new project with by default configuration. Clone an existing project :   This is used to check out a project from a repository location, for example...
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Chapter #1: Welcome to Xcode



Welcome to Xcode



     To develop the iOS application, you need an Integrated Development Environment (IDE) called Xcode, which is an official IDE provided by Apple. This is the best IDE I will suggest to all developer. Note, however it only run on macOS. macOS available in Macbook Air, Macbook pro, iMac, MacPro and Mac mini. You can buy any one of those as per your budget. 

I am using Macbook pro 13''. 


Xcode supports source of Following languages:
     C, C++, Objective C, Objective C++, Java, AppleScript, Python, Ruby, ResEdit (Rez), and Swift.  It uses Cocoa, Carbon, and Java programming models.
(For more detail, follow this link: Xcode in detail)


Xcode Installation:
     
     You will get by default Xcode installed, if not, then you can download the Xcode app from the App store. Just you need an Apple account for authentication before installation.
The latest version of Xcode :

Download Xcode from App store

(If you have problem while downloading from App store, you can directly download from here https://developer.apple.com/xcode/ . Make sure you are downloading the latest stable version from that website.)


     If you want to download the older version of xcode, tools and supporting file. You can download it from here: https://developer.apple.com/download/more/

Introduction:

     Xcode 11 brings lots of new features such as support for Swift 5.1, Apple’s latest iteration of the Swift programming language, SDKs for iOS 13, tvOS 13, watchOS 6 and macOS Catalina 10.15.

     Xcode is a suite of software development for macOS, iOS, iPadOS, watchOS and tvOS.Xcode includes Command Line Tools (CLT), which enable UNIX-style development via the Terminal app in macOS by installing command-line developer tool.

Create a new xcode project


     Xcode includes all of the tools needed to create an app within one software package; namely, a text editor, a compiler, and a build system. With Xcode, you can write, compile, and debug your app, and when you’re finished you can submit it to the Apple app store. It contains a number of tools to help the development process move quickly, so seasoned developers can create apps lightning fast, and beginners face less confusion and barriers to creating a great application.
  • For beginners, Xcode provides playground to get starts with programming.
  • For experience developer, create Xcode project for iPhone, iPad, Mac, Apple Watch, or Apple TV.

     Xcode’s Interface Builder allows you to design menus, windows, and other visuals. You can choose to develop them on your own or use Xcode’s library. Auto Layout allows you to create a responsive app that will snap to the right size and position for the screen they are on. Scene Kit Editor allows you to add 3D elements to your app, and Particle Emitter has animations you can use.


What else you can do with Xcode:
  • Testing you application using different debugging techniques. 
  • Getting Your App to the TestFlight and then App Store.
  • Many more features.

Xcode on Windows
      
     As we know Xcode is an official app by Apple and its only built to run on macOS and not on Window OS.
But there is an alternative ways to run Xcode on Window OS.




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Chapter #2: First iOS Application

Image
I assumed you have Xcode installed in your MacOS PC or Laptop. If yes, then its great. We can continue this lecture. Else first you need to install the latest Xcode in your  MacOS  PC or Laptop. If you don't  know how to install Xcode, then go and check Chapter #1: Welcome to Xcode .  You will find the Xcode icon same as shown in the above image in your Launchpad or Application folder. Launch this App and you will get first window as shown above. The window presents following options: Get started with a playground :   This was introduced to the Swift language and Xcode 6. It's an interactive area which can be used to write small pieces of code to check runtime changes. It's a great way for Swift learners to be introduced to new Swift features. Create a new Xcode project :   Will create a new project with by default configuration. Clone an existing project :   This is used to check out a project from a repository location, for example...
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