Few Tips while using Alamofire Library

What’s Alamofire?

Alamofire is an HTTP networking library written in Swift.

Alamofire can solve most HTTP problems while you are building Apple applications with Swift. It’s really super powerful library if you need to handle any HTTP problems.

POST with a string as body

If you want to make a POST request, and you also have a string as body to send this request. Here is the way to do in Alamofire.

let URL = "https://www.google.com"
let params : Parameters = ["foo" : "bar", "bar" : "foo"]
let headers : HTTPHeaders = ["content-type": "application/x-www-form-urlencoded"]

Alamofire.request(URL, method: .post, parameters: params, encoding: URLEncoding.httpBody, headers: headers).responseString { response in 
  print(response)
}

Read cookies from response

Through API provided from Apple, we can get cookies from the response by using HTTPCookieStorage.shared.cookies.

Here is the example from code above.

let URL = "https://www.google.com"
let params : Parameters = ["foo" : "bar", "bar" : "foo"]
let headers : HTTPHeaders = ["content-type": "application/x-www-form-urlencoded"]

Alamofire.request(URL, method: .post, parameters: params, encoding: URLEncoding.httpBody, headers: headers).responseString { response in 
  let cookie = HTTPCookieStorage.shared.cookies
  print(cookie)
}

Reference

• POST request with a simple string in body with Alamofire
• post application/x-www-form-urlencoded Alamofire
• How to read response cookies using Alamofire

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