react-native-firebase/docs/installation-ios.md

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iOS Installation

Please note that there is a known issue when using Cocoapods with the use_frameworks! enabled. This is explained here. Unfortunately we don't currently have a workaround, but are engaging with Firebase directly to try and resolve the problem.

1) Setup GoogleService-Info.plist

Setup the GoogleService-Info.plist file by following the instructions and adding it to the root of your project at ios/[YOUR APP NAME]/GoogleService-Info.plist here.

1.1) Initialisation

Make sure you've added the following to the top of your ios/[YOUR APP NAME]]/AppDelegate.m file:

#import <Firebase.h>

and this to the didFinishLaunchingWithOptions:(NSDictionary *)launchOptions method before the return statement:

[FIRApp configure];

2) Setup RNFirebase

Unfortunately, due to the fact that Firebase is much easier to setup using Cocoapods, we do not recommend react-native link as it is not customisable enough for our needs and we have had numerous problems reported.

2.0) If you don't already have Cocoapods set up

Follow the instructions to install Cocoapods and create your Podfile here.

NOTE: The Podfile needs to be initialised in the ios directory of your project. Make sure to update cocoapods libs first by running pod update

Troubleshooting

  1. When running pod install you may encounter an error saying that a tvOSTests target is declared twice. This appears to be a bug with pod init and the way that react native is set up.

Resolution:

  • Open your Podfile
  • Remove the duplicate tvOSTests target nested within the main project target
  • Re-run pod install.
  1. When running pod install you may encounter a number of warnings relating to target overrides 'OTHER_LDFLAGS'.

Resolution:

  • Open Xcode
  • Select your project
  • For each target: -- Select the target -- Click Build settings -- Search for other linker flags -- Add $(inherited) as the top line if it doesn't already exist
  • Re-run pod install
  1. When running pod install you may encounter a warning that a default iOS platform has been assigned. If you wish to specify a different minimum version:

Resolution

  • Open your Podfile
  • Uncomment the # platform :ios, '9.0' line by removing the # character
  • Change the version as required

2.1) Add the required pods

Simply add the following to your Podfile either at the top level, or within the main project target:

# Required by RNFirebase
pod 'Firebase/Core'
pod 'RNFirebase', :path => '../node_modules/react-native-firebase'

# [OPTIONAL PODS] - comment out pods for firebase products you won't be using.
pod 'Firebase/AdMob'
pod 'Firebase/Analytics'
pod 'Firebase/Auth'
pod 'Firebase/Crash'
pod 'Firebase/Database'
pod 'Firebase/DynamicLinks'
pod 'Firebase/Messaging'
pod 'Firebase/RemoteConfig'
pod 'Firebase/Storage'

If you do not already have React and Yoga installed as pods, then add Yoga and React to your Podfile as follows:

pod "Yoga", :path => "../node_modules/react-native/ReactCommon/yoga"
pod 'React', :path => '../node_modules/react-native', :subspecs => [
  'BatchedBridge', # Required For React Native 0.45.0+
  'Core',
  # Add any other subspecs you want to use in your project
]

Run pod install.

NOTE: You need to use the ios/[YOUR APP NAME].xcworkspace instead of the ios/[YOUR APP NAME].xcproj file from now on.

Troubleshooting

  1. You receive an error No podspec found for 'RNFirebase'

Resolution

  • Run npm install --save react-native-firebase from the root of your project

3) Cloud Messaging (optional)

If you plan on using Firebase Cloud Messaging then, you need to:

NOTE: FCM does not work on the iOS simulator, you must test is using a real device. This is a restriction enforced by Apple for some unknown reason.

3.1) Set up certificates

Follow the instructions at https://firebase.google.com/docs/cloud-messaging/ios/certs

3.2) Enable capabilities

In Xcode, enable the following capabilities:

  1. Push Notifications
  2. Background modes > Remote notifications

3.3) Update AppDelegate.h

Add the following import:

@import UserNotifications;

Change the interface descriptor to:

@interface AppDelegate : UIResponder <UIApplicationDelegate,UNUserNotificationCenterDelegate>

3.4) Update AppDelegate.m

Add the following import:

#import "RNFirebaseMessaging.h"

Add the following to the didFinishLaunchingWithOptions:(NSDictionary *)launchOptions method after [FIRApp Configure]:

[[UNUserNotificationCenter currentNotificationCenter] setDelegate:self];

Add the following methods:

-(void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
  [RNFirebaseMessaging didReceiveLocalNotification:notification];
}

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(nonnull NSDictionary *)userInfo {
  [RNFirebaseMessaging didReceiveRemoteNotification:userInfo];
}

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(nonnull NSDictionary *)userInfo
fetchCompletionHandler:(nonnull void (^)(UIBackgroundFetchResult))completionHandler{
  [RNFirebaseMessaging didReceiveRemoteNotification:userInfo fetchCompletionHandler:completionHandler];
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center
       willPresentNotification:(UNNotification *)notification
         withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler {
  [RNFirebaseMessaging willPresentNotification:notification withCompletionHandler:completionHandler];
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center
didReceiveNotificationResponse:(UNNotificationResponse *)response
         withCompletionHandler:(void (^)())completionHandler {
  [RNFirebaseMessaging didReceiveNotificationResponse:response withCompletionHandler:completionHandler];
}

3.5) Debugging

If you're having problems with messages not being received, check out the following blog post for help:

https://firebase.googleblog.com/2017/01/debugging-firebase-cloud-messaging-on.html