How to create a wrapper for Alamofire and SwiftyJSON? Swift – iOS

This blogpost updated with Swift 3 – Xcode 8 – iOS 10 – Alamofire 4.0


I have posted a basic tutorial about Alamofire and SwiftyJSON How to use Alamofire and SwiftyJSON with Swift?

And some day before we have learned about Use of Blocks(Closures) or Completion Handlers with Function in Swift – iOS

Let’s combine both the topics to make a WRAPPER of Alamofire and SwiftyJSON.
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Use of Blocks(Closures) or Completion Handlers with Function in Swift – iOS

Blocks in Objective-C

In Objective-C we are using the blocks(completion handlers) with functions as follows :

- (void)yourFunctionName:(NSString *)yourString withCompletionHandler:(void (^)(NSString *yourResult))block;

Closures in Swift

Closures are self-contained blocks of functionality that can be passed around and used in your code. Closures in Swift are similar to blocks in C and Objective-C and to lambdas in other programming languages.

Syntax with Function

func yourFunctionName(parameter:Type, ... , withCompletionHandler:(result:Type) -> Void)

For more closure syntax :


Function Definition:

func closureReturn(isTest:Bool, withCompletionHandler:(result:String) -> Void) {
        withCompletionHandler(result: "Yes")
        withCompletionHandler(result: "No")

Calling Function:

closureReturn(true) { (result) -> Void in

Output should be respective to value true/false.

In next post I will write a tutorial on a wrapper class for Alamofire with use of SwiftyJSON by using closures.

It will be related to this post How to use Alamofire and SwiftyJSON with Swift? – Swift 2 – iOS 9 – Xcode 7

Happy Coding 🙂

How to use Alamofire and SwiftyJSON with Swift? – Swift 3 – iOS 10 – Xcode 8

Swift JSON
Swift JSON

Alamofire is an HTTP networking library written in Swift.
SwiftyJSON makes it easy to deal with JSON data in Swift.
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How to work with IBDesignable and IBInspectable in Swift Language?

IBDesignable with Storyboard
IBDesignable with Storyboard

How to use the @IBDesignable and @IBInspectable?

By giving you a simple example that we can not change the corner radius from the design view. We have to change it run time. If you want to make possible it with design time then you can use the @IBDesignable and @IBInspectable.

So, We are taking an example as IBButtonExtender for this the functionality

  • Border Color
  • Border Width
  • Corner Radius

Create an Custom Class for UIButton with @IBDesignable

Create an @IBInspectable for Inspect the element. the Border Color property will be added to the list in the right panel when you create button with this class.

Set Initialization functions and other @IBInspectable as above.

You can check the code for the ButtonExtender.swift


Presenting the ButtonExtender for Border Color, Border Width and Corner Radius function with the @IBDesignable and @IBInspectable in the Swift Language.

By making some corner radius and colors, You will get neat and clean output.



Find IBButtonExtender on github 🙂

Check other articles on Swift Language.

All suggestions are acceptable. Put it in the comments!

Happy Coding 🙂

Facebook Login – Swift Language – iOS 10 – Swift 3

Facebook Login using custom button in Swift Language

Xcode Version 8

Article is Updated with the Facebook 4.16 SDK [27-September-2016].


Install Pods



Create touch up inside event for custom button like as follows

In iOS 10 don’t forget to set capabilities (Keychain Sharing) :

Go to your project targets -> Capabilities -> Keychain Sharing -> Toggle Switch ON

Capabilities - KeyChain Sharing
Capabilities – KeyChain Sharing

Detailed Output Log :

Happy Coding 😀