https://firebase.google.com/docs/ios/setup
1.
Make an Xcode project. Just after creation, quit Xcode.
$ pod init
$ modify Podfile according to the Google Firebase guidelines like:
--------8<--------
# Uncomment the next line to define a global platform for your project
platform :ios, '10.0'
target 'ReadWrite1' do
# Comment the next line if you don't want to use dynamic frameworks
use_frameworks!
# Pods for ReadWrite1
pod 'Firebase/Auth'
pod 'Firebase/Firestore'
pod 'FirebaseFirestoreSwift'
pod 'Firebase/Analytics'
target 'ReadWrite1Tests' do
inherit! :search_paths
# Pods for testing
end
target 'ReadWrite1UITests' do
# Pods for testing
end
end
--------8<--------
$ pod install
Open ProjectName.xcworkspace from now on. Not ProjectName.xcodeproj.
2. But, "pod init" causes an error:
/usr/local/Cellar/ruby/3.0.1/lib/ruby/3.0.0/rubygems.rb:281:in `find_spec_for_exe': can't find gem cocoapods (>= 0.a) with executable pod (Gem::GemNotFoundException)
from /usr/local/Cellar/ruby/3.0.1/lib/ruby/3.0.0/rubygems.rb:300:in `activate_bin_path'
from /usr/local/lib/ruby/gems/2.7.0/bin/pod:23:in `'
I tried:
$ brew reinstall cocoapods
But still the same problem.
I tried:
$ gem install cocoapods
It works.
3. If the project is changed after the creation, it might be needed to remove some files:
Note: during "pod install", Xcode should be quit.
Even the following steps may be needed:
Quit Xcode.
Delete project's temp files located at ~/Library/Developer/Xcode/DerivedData
Delete ProjectName.xcworkspace
Delete Podfile.lock file and Pods folder
Run pod install.
Open the newly created ProjectName.xcworkspace file and build. <== Note: can be done with "$ open ProjectName.xcworkspace"
Note that xcworkspace is different from xcodeproj.
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