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I was using CocoaPods to install SDWebImage and CountdownLabel, but those modules I installed could not be imported in the beginning of my Swift file.

The following are my codes:

import UIKit import CountdownLabel class.... { .. .. }

It will prompt out an error, which says Cannot load underlying module for 'CountdownLabel ". Does anyone have any idea about this symptom?

  1. I have make sure that I opened the file with .xcworkspace
  2. pod install returns no error

Thank you in advance.

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  • This seems to be a bug in Xcode. Try to clean (Ctrl+Cmd+C) and re-build (Cmd+R) the project, that always worked for me. Commented Apr 5, 2017 at 14:41
  • I tried but with no luck... Commented Apr 6, 2017 at 16:03

3 Answers 3

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Clean the product, clean the build folder and build again. If that does not work try re-installing from CocoaPods. But don't forget to add to use_frameworks inside your Podfile.

You can clean the build folder with Alt + Command + Shift + K or press Alt then open Product drop down menu from Xcode than select Clean Build Folder

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1 Comment

Thanks for your suggestion.
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Do yo have the following code in your Podfile? if not then add this code on Top of your Podfile.

platform :ios, '8.0' use_frameworks!
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2 Comments

Yes, I never edit the Podfile, I just added the following in. pod 'SDWebImage' pod 'CountdownLabel'
Did you add the following lines? Because with swift yo need to use Frameworks instead of librairies.
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Clear Derived data from xcode & reopen xcode. Clean then build project.

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2 Comments

Here comes a quick update. After deleting Derived Data, and reopening xcode, the error disappear at that time. But it will go back when trying to code the component in the module. I tried several times on cleaning and building this project, but it didnt work. any idea?
Which version of xcode you are using? which swift version you are using?

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