post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)
    target.build_configurations.each do |config|
            config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
               '$(inherited)',

               ## dart: PermissionGroup.calendar
               'PERMISSION_EVENTS=0',

               ## dart: PermissionGroup.reminders
               'PERMISSION_REMINDERS=0',

               ## dart: PermissionGroup.contacts
               # 'PERMISSION_CONTACTS=0',

               ## dart: PermissionGroup.camera
               # 'PERMISSION_CAMERA=0',

               ## dart: PermissionGroup.microphone
               # 'PERMISSION_MICROPHONE=0',

               ## dart: PermissionGroup.speech
               'PERMISSION_SPEECH_RECOGNIZER=0',

               ## dart: PermissionGroup.photos
               # 'PERMISSION_PHOTOS=0',

               ## dart: [PermissionGroup.location, PermissionGroup.locationAlways, PermissionGroup.locationWhenInUse]
               'PERMISSION_LOCATION=0',

               ## dart: PermissionGroup.notification
               # 'PERMISSION_NOTIFICATIONS=0',

               ## dart: PermissionGroup.mediaLibrary
               'PERMISSION_MEDIA_LIBRARY=0',

               ## dart: PermissionGroup.sensors
               'PERMISSION_SENSORS=0'
             ]
    end
  end
end