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Alamofire Tutorial: Getting Started

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1

Take your first steps into Alamofire, the de facto networking library on iOS powering thousands of apps, by using the Imagga APIs to upload and analyze user photos.

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/35-alamofire-tutorial-getting-started
2

Hi, I tried the finished project, but it shows an error. I already copy and prepare the authenticationToken. Here’s the error:

Error while uploading file: Optional(Alamofire.AFError.responseValidationFailed(Alamofire.AFError.ResponseValidationFailureReason.unacceptableStatusCode(403)))

How can I fix? Thank you.

3

I made some changes for a Decodable version of your Tutorial here…

1 Like
4

@ron.kliffer Can you please help with this when you get a chance? Thank you - much appreciated! :]

5

Hi

This usually means there’s a problem with your authentication key. Can you double check and verify it?

6

Hi there,

Could you please explain why you are using enum for Constraints? Should we use struct for Constraints?

Cheers,
Charles

7

Hi
I’m not sure I understand the question. Where dod you see a use of enum for constraints?

8

I read the following code in ImaggaRouter.swift
public enum ImaggaRouter: URLRequestConvertible {
// 1
enum Constants {
static let baseURLPath = “http://api.imagga.com/v1”
static let authenticationToken = “Basic xxx”
}

9

Oh ok, you meant Constants, not Constraints.

The reason I declare them as an enum is because an enum with no cases can’t be instantiated, whereas a struct can be, so using an enum helps avoid this kind of mistake.

10

Sorry about the typo. I understand now.
Thank you a lot! @ron.kliffer.

11

Hello everyone,

First of all, I would like to thank @ron.kliffer for the awesome tutorial!

Imagga’s API v1 will be stopped by the end of November 2018. There is a new API v2 interface which can be used, however, the API interface and the output result are both different.

To make the above tutorial work with API v2, I have reworked the two main files which you can find here:
https://gist.github.com/gkostadinov/2c53453eda32c6730acc64e9784a9c95

Replace them with the ones in your project. Once you have replaced them, open ImaggaRouter.swift and replace <YOUR_AUTH_TOKEN_HERE> with the authorization string found in your Imagga user dashboard here: https://imagga.com/profile/dashboard

Hope this helps!

Thanks,
Georgi

12

This tutorial is more than six months old so questions are no longer supported at the moment for it. Thank you!