Property in Swift - Computed property | Property Observers (WillSet & DidSet)

   Computed property -  Computed properties are part of a property type in Swift.  Stored properties are the most common which save and return a stored value  Computed properties calculate (rather than store) a value. A computed property provides a getter and an optional setter to indirectly access other properties and values. Computed property in swift is an interesting topic as you can write code inside a property in swift. Computed properties are provided by classes, structures, and enumerations but stored properties are provided only by classes and structures. This computed property swift tutorial has some tips on how to use the computed property in the right way and avoid the common mistakes that swift programming beginners do while computed property. Example :- Computed property A Calculate Simple Intrest struct CalculateLoan {      var amount : Int      var rate : Int      var years : Int      var simpleInterest: Int {          get {              return ( amount * rate
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How to Get Started Firebase UI Auth Provider Swift 4 iOS


I am starting a tutorial how to install a firebase Authentication in iOS Swift application and how to use Firebase UI Auth. You can use Firebase Authentication to allow to users different type login your application or sign In / sign Up  with including email id or password, with facebook login, twitter, Gmail, pinterest or more social account authentication. This blog post help you started, how to start firebase UI auth.

Firebase UI Auth

  • Click add project -> Type project name and if you mind customize project id and select your country code then accept term or condition create project. Next
  • Go to dashboard overview and select your app platform.
dashboard firebase

  • Now if you add ‘Add Firebase to your iOS app’, Then Copy your bundle ID past after type your nick name did you like, This is the bundle identifier of your Xcode project. Like com.abc if you optimize app store app the your required App store Id otherwise optional. After click add app
Firebase UI Auth iOS Developer Live

  • Getting GoogleService-Info.plist file. Download file and upload your Swift project drag /drop Xcode

  • Continue Next to proceed to the next step.
  • Open terminal Command go to your project folder path.
  • After type pod init then create Podfile in your project
  • Open Podfile and edit in paste

                                pod 'Firebase/Core'
                                pod 'Firebase/Auth' or save podfile


  •   or after terminal install pod file

                                pod install

Implementing Firebase Using Swift Project In the project navigator, go to AppDelegate.swift.
Import Firebase

And  configure didFinishLaunchingWithOptions method

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
   
    FIRApp.configure()
    return true
}

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