1. scheme

product > scheme > edit scheme > run > arguments



environment Variables
name = IDEPreferLogStreaming 
value = YES

 2. GoogleService-info.plist



xcode GoogleService-info.plist in xcode as well

Check if the file exists

3. firebase- ios-sdk 


file > add Package Dependencies.. >> add to Project >>Runner ?? Add Package click 



 4. info.plist 


<key>GADApplicationIdentifier</key>
<string> YOUR ADMOB ID</string>


5. ets

https://www.litenews.shop/2024/08/cocoapods-could-not-find-compatible.html

scheme setting
https://www.litenews.shop/2024/08/google-sign-in-url-scheme-settings.html