[analytics] add iOS audience stats integration guide (#2082)

* docs: noted iOS pod needed for iOS audience stats

Per discussion on #2071 - added a note about the cocoapod required for automatic audience metric collection on iOS

* Update ios.md

[skip ci]
This commit is contained in:
Mike Hardy
2019-04-26 11:50:55 -05:00
committed by Mike Diarmid
parent 8e587870f8
commit 00aacebd45

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@@ -5,6 +5,16 @@ description: Manually integrate Analytics into your iOS application.
# iOS Setup
## Device Identification
If you would like to enable Firebase Analytics to generate automatic audience metrics for iOS (as it does by default in Android), you must link additional iOS libraries, [as documented by the Google Firebase team](https://support.google.com/firebase/answer/6318039). Specifically you need `libAdIdAccess.a` and `AdSupport.framework`.
The way to do this using Cocoapods is to add this to your Podfile (though please use [the most current Pod version](https://cocoapods.org/pods/GoogleIDFASupport) supported by react-native-firebase):
```ruby
pod 'GoogleIDFASupport', '~> 3.14.0'
```
> The following steps are only required if your environment does not have access to React Native
auto-linking.