Issue with React-native share extension with cocoapods for firebase - ios

Question

I'm trying to implement a share extension with a firebase-based app. So I have created a pod file and generated a .xcworkspace project.
I'm using [react-native-share-extension][1]. Followed all installation tutorial and all seem ok, but when I try to launch the extension Xcode console says:
RNFirebase core module was not found natively on iOS, ensure you have correctly included the RNFirebase pod in your projects 'Podfile' and have run 'pod install'.
This is my pod file:
target 'Together' do
# Pods for Together
pod 'Firebase/Core'
pod 'Firebase/Auth'
pod 'Firebase/Firestore'
pod 'Firebase/Messaging'
pod 'Firebase/Storage'
pod "QBImagePickerController"
end
target 'TogetherShareEx' do
# Pods for TogetherShareEx
pod 'Firebase/Core'
pod 'Firebase/Auth'
pod 'Firebase/Firestore'
pod 'Firebase/Storage'
end
And this my TogetherShareEx.m:
#import <Foundation/Foundation.h>
#import "ReactNativeShareExtension.h"
#import <React/RCTBundleURLProvider.h>
#import <React/RCTRootView.h>
#import <React/RCTLog.h>
#import <Firebase.h>
#interface TogetherShareEx : ReactNativeShareExtension
#end
#implementation TogetherShareEx
RCT_EXPORT_MODULE();
- (UIView*) shareView {
NSURL *jsCodeLocation;
[FIRApp configure];
jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:#"index" fallbackResource:nil];
RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
moduleName:#"TogetherShareEx"
initialProperties:nil
launchOptions:nil];
rootView.backgroundColor = nil;
return rootView;
}
#end
I have also added these:
added '$(inherited)' in Other Linker Flags
added '$(SRCROOT)/../node_modules/react-native-firebase/ios/RNFirebase' in Header Search Paths
The result is that extension is created but when I try to share something, nothing happens. On Debugging the extension with Xcode the log shows the error shown above.
Any idea? Thanks

Answer 1

I was able to get this working after following the standard installation instructions, make sure you do the following:
Link libRNFirebase.a in your Extension's Build Phases. Also, make sure that libPods-{YOUR_EXTENSION_NAME}.a is linked as well.
Set the GoogleService-Info.plist target for both your main app
and your share extension in the right panel.
In your share extension's Build Settings > Other Linker Flags,
make sure you add $(inherited)
In your Share Extension .m file, make sure you import
Firebase and configure it there as well!
For more info, see the following GitHub thread: https://github.com/alinz/react-native-share-extension/issues/79