Error: Could not build Objective-C module 'Firebase'

FirebaseSwift3Xcode8Ios10

Firebase Problem Overview


When I compile the application I get an error equal to this:

>Could not build Objective-C module 'Firebase'

This error appear in import Firebase of my file swift.

Firebase Solutions


Solution 1 - Firebase

There is only one way to solve this issue.

  1. Quit Xcode.
  2. Delete project's temp files located at ~/Library/Developer/Xcode/DerivedData
  3. Delete ProjectName.xcworkspace
  4. Delete Podfile.lock file and Pods folder
  5. Run pod install.
  6. Open the newly created ProjectName.xcworkspace file and build.

Solution 2 - Firebase

Build ( + B) worked for me.

Solution 3 - Firebase

I am using Swift 4 and Xcode 9. All I have to do is selecting FirebaseCore Scheme.

On Xcode:

Product->Scheme->FirebaseCore.

If you don't have FirebaseCore go to Manage Schemes and select it. Then try again.

Solution 4 - Firebase

This may fix your problem:

  1. Quit the Xcode. (Don't just close the Xcode window, right click and Quit it explicitly).

  2. Go to ~/Library/Developer/Xcode/DerivedData and delete the project folder. (Simply delete all the folders).

  3. Clean and Build the project.

If still error exist:

Do steps 1 and 2 and follow this steps:

  1. Change scheme to Firebase and Build (Command + B).

  2. Change back to your app scheme and Run again.

Solution 5 - Firebase

I opened the project with .xcodeproj and I installed Firebase with cocoapods. I got the same error. But I just close the project and open it with .xcworkspace.

The alert has gone. Firebase was the first library on my project. So I kept using .xcodeproj file.

Solution 6 - Firebase

Install FireBase properly via CocoaPods. Try the following steps

Step 1 - Close Xcode

Step 2 - Clear your derived data. You can find your derived data in here

> ~/Library/Developer/Xcode/DerivedData

Step 3 - Open your .xcworkspace

Step 4 - Clean your project (⌘+Shift+K)

Step 5 - Build your project (⌘+B)

Make sure your are opened .xcworkspace file

Solution 7 - Firebase

'pod deintegrate' and then 'pod install' worked for me.

Solution 8 - Firebase

I am using Swift 4 and Xcode 9.4. This helped solve the same issue for me.

I selected the following frameworks in XCode -> Manage Schemes besides my target project

In Xcode:

Product-> Scheme-> FirebaseCore
Product -> Scheme -> nanopb
Product -> Scheme -> GoogleToolBoxforMac 

Solution 9 - Firebase

Tried the above suggestions, but they didn't work for me. What worked for me was to build to Generic iOS Device first and then run it on my physical device iPhone6.

I still couldn't run it on a simulator, however. What worked here was to change Build Active Architecture Only - Debug to NO, in the Pod Project Build Settings.

Hope this helps someone.

Solution 10 - Firebase

This worked for me:

  1. Close Xcode
  2. pod deintegrate
  3. delete xcworkspace
  4. pod install
  5. In project Navigator > project name > Configurations
  6. Set all to none
  7. Clean
  8. Build

Solution 11 - Firebase

I had disabled Find Implicit Dependencies for faster build process under Edit Scheme... > Build.

Enabling it back resolved the issue. enter image description here

Solution 12 - Firebase

It happened to me because I installed the Firebase CocoaPods but I didn't reopen it through the <projectName>.xcworkspace file. So what I did to work was:

  • I quit Xcode

  • opened it by clicking the <projectName>.xcworkspace file of the project

  • then I could use "import Firebase" on my project.

Solution 13 - Firebase

I recently had this problem when using Xcode 12. I found that removing the Valid Architectures build setting (VALID_ARCHS) fixed it.

From the Xcode 12 release notes:

> The Build Settings editor no longer includes the Valid Architectures build setting (VALID_ARCHS), and its use is discouraged. Instead, there is a new Excluded Architectures build setting (EXCLUDED_ARCHS). If a project includes VALID_ARCHS, the setting is displayed in the User-Defined section of the Build Settings editor. (15145028)

Solution 14 - Firebase

Can you please try to take a look at my answer here

TL;DR make sure you are running cocoapods version 1.4.0 minimum. It fixes static framework imports.

You can do this by running sudo gem install cocoapods on your terminal and verify your version by typing pod --version

Solution 15 - Firebase

I tried this (quitting Xcode, deleting all temp files, reinstalling pods, etc.) and it didn't work. What did work was just building my project (command + b) after pod install. Whatever works!

Solution 16 - Firebase

For me the issue was simple. I have a new m1 mac and it has trouble loading cocoa pods sometimes. Simply:

  • Click your pods project(blue pods)->
  • Click all & build settings ->
  • Excluded architectures ->
  • add "arm64" to both debug and release ->
  • set any SDK on left side ->
  • do this on your main project folder too ->
  • build it your good to go

enter image description here

Solution 17 - Firebase

Make sure you are working with the workspace file created in the same directory as the pod file.

Solution 18 - Firebase

It worked for me, when I opened the white workspace instead of the blue one. You press on the file on your desktop and then press the white file.

Image of what the file looks like: Image of what the file looks like

Solution 19 - Firebase

This happened to me today, I just couldn't figure out why, because when I closed the file that night, everything was perfect. I opened my file using the recent projects menu and got this issue. Then I decided to check something, Xcode opened the wrong file. Instead of opening the workspace file with the pods, it opened the Xcode project.

Once I opened the workspace it was error free and all the pods were behaving. Im sure you guys are all more experienced than me, but I just wanted to throw that in there.

Solution 20 - Firebase

just restart your xcode and run your project.

Solution 21 - Firebase

Nothing here worked for me, but then I figured out something that did work.

When I clicked on my project in Project Navigator in Xcode, and then selected Info I looked at the Configurations section and saw that there was only a Release configuration and no Debug configuration for my app.

In order to get Firebase to work, I went to Pods within the Project Navigator, and under the Configurations section I deleted the Debug configuration. Now it builds fine. Hopefully this will help someone else.

Solution 22 - Firebase

After 2 days of searching and trying every single step proposed in this post, eventually i could solve the problem. None of the above approaches solved my problem but this one:

  1. There is a package of Firebase frameworks available to download from this link: https://firebase.google.com/download/ios?authuser=0
  2. There is a Firebase.h header file in this package. I added this header file to my project resources.
  3. Finally i added a line of code at the top of this file: ' #import "Firebase.h" '

Simply and Easily the error is gone!

Solution 23 - Firebase

For and Solution was as simple as I didn't open the project from the .xcworkspace after I did pod install :D and I got the same error you got. I mistakenly opened it from the old .xcodeproj file. that was it for me, LOL

Solution 24 - Firebase

None of above solutions worked for me. I found that the problem was I have three targets in Cocoapods file. And only my main one target has Firebase added. So that when I want to import Firebase to a file that is used in other targets, Xcode gives error and says Module 'Firebase' not found. This is my pods project file. One solution for me is adding Firebase pod to all targets. Or another solution is removing the file from other targets.

def common_pods
  pod 'XXX'
end

target 'myMainProject' do
  common_pods()
  pod 'Firebase/Core'
  pod 'Firebase/AdMob'
  pod 'Firebase/RemoteConfig'
  pod 'Firebase/Crashlytics'
  pod 'Firebase/Analytics'
end

target 'myExtention1' do
  common_pods()
end

target 'myextension2' do
  common_pods()
end

Solution 25 - Firebase

Just go to Pod target and set arm64 in Excluded Architectures

enter image description here

Solution 26 - Firebase

I had a same issue with a Flutter project.

You should exclude arm64 for simulator architecture both from project and every pod target

Exclude arm64 from the project

Excluded Architectures

Add this code to Pofile

post_install do |installer|
  installer.pods_project.targets.each do |target|
    # exclude arm64 for simulator architecture the pod target
    target.build_configurations.each do |config|
      config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
    end
  end
end

Solution 27 - Firebase

This worked for me:

  • rm -rf project.xcworkspace
  • rm -rf ~/Library/Developer/Xcode/DerivedData
  • rm -rf Podfile.lock
  • pod install

/!\ Open project.xcworkspace instead of your old file

Solution 28 - Firebase

> This solution worked for me.

  1. Delete project's temp files located at ~/Library/Developer/Xcode/DerivedData
  2. Delete ProjectName.xcworkspace
  3. Delete Podfile.lock file and Pods folder Run pod install.
  4. Open the newly created ProjectName.xcworkspace file and build.

Solution 29 - Firebase

When you build, make sure you are at the root directory in the project navigator.

Solution 30 - Firebase

I had the exact same issue

You could be reinstalling pods with your Xcode open Or your pods file won't allow and overwrite

With your workspace open, delete the "Pods" folder. Quit X-Code Open terminal in "Utilities" You'll find this in "Applications" Using cd ... go to your project folder reinstall pods using "pod install".

That should fix it.

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