feat(BREAKING)!: forward-port to firebase-android-sdk v26 / firebase-ios-sdk v7

[mikehardy]

Forward-port react-native-firebase to meet the new API surface area of firebase-ios-sdk v7 and firebase-android-sdk v26

This drops a large number of deprecated APIs

• on-device MLKit model APIs are in @react-native-mlkit now
• cloud ml-vision APIs have moved to just 'ml', in general change all 'vision' to 'ml' (following casing)
• deprecated remote-config APIs are purged
• many other changes, please refer to the upstream release notes for details:
  • https://firebase.google.com/support/release-notes/android#2020-10-27
  • https://firebase.google.com/support/release-notes/ios#version_700_-_october_26_2020

This also changes how you statically link firebase-ios-sdk. If you have special linking needs, read:

• https://firebase.google.com/docs/ios/link-firebase-static-dynamic

BREAKING CHANGE: alter ML imports, check iOS linking, remove old API as noted

---

iOS and Android are all passing local tests and should pass in CI as well
Docs are updated
Lint / Spellcheck all pass

There is a committed (on my part) dependency on having @react-native-mlkit up and running well enough to give developers a 1:1 migration path when releasing this

Review considerations:

• the initial commits are designed to be reviewed (and committed) one at a time. The last one has to go at once
• I collapsed all of the ML stuff to one directory as this seemed the direction Firebase ML was going after peeling it's MLKit APIs off - there wasn't much left and differentiating didn't seem sensible
• the way I handled the change to remote-config android getAll method is not great, but I am not great at the Tasks interface. I feel there is something clean + easy to change it too that I'm missing
• I have commented out quite a few Firestore tests as they were failing locally, I'd like to re-enable these - it will depend on fixing the security rules in the local emulator

---

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[codecov]

Codecov Report

Merging #4471 (7e1a836) into master (8a638b5) will increase coverage by 23.64%.
The diff coverage is 93.55%.

@@             Coverage Diff             @@
##           master    #4471       +/-   ##
===========================================
+ Coverage   41.92%   65.55%   +23.64%     
===========================================
  Files          35      109       +74     
  Lines        1119     3698     +2579     
  Branches      278      276        -2     
===========================================
+ Hits          469     2424     +1955     
- Misses        489     1148      +659     
+ Partials      161      126       -35     

[mikehardy]

@Salakar / @Ehesp I think the RNFB forward-port to the new upstream releases is ready. It passes local testing and CI (modulo android E2E flakiness - I swear it works locally) with docs polished. Once it passes review (with whatever changes are necessary) I'd like to release it as an NPM @next or similar for test integration then launch it. I'm going to turn my focus to @react-native-mlkit now so it's ready when this lands

[mikehardy]

@Salakar release note: this will require @react-native-firebase/ml package creation on npmjs, as the home for the consolidated cloud-only ML package

[ewfian]

Should we take this opportunity to use the new Messaging Token API [[FIRMessaging messaging] tokenWithCompletion:?
https://github.com/mikehardy/react-native-firebase/blob/29dbc7097326b3cf35995e7b084d11c0507b22ba/packages/messaging/ios/RNFBMessaging/RNFBMessagingModule.m#L109

ref: https://firebase.google.com/support/release-notes/ios#fcm_2

[mikehardy]

@ewfian - I want to do a "minimal intervention" forward port first - which is another way of saying I understand how it looks like an opportunity but as a maintainer this looks like a very risky set of changes with a lot of potential user upheaval, and not the time to do more than the miminum at first just to make sure I haven't done anything terribly wrong. react-native-mlkit and the auth emulator are then immediate / almost-stop-work priorities and only then will I feel as if I can take on new APIs etc.

That's my personal task list / priorities at least - I am more than happy to work with any contributor that takes a chance at implementing something. I will do my utmost to shepherd any community PR to merge if you would like to try

[kuznetsov-from-wonderland]

Dear all, how it is going? We need this to get #4299 resolved

[sanjaypojo]

@mikehardy awesome to have this merged 🙌 🙌 What's the right way to install and try it out? We currently use:

    "@react-native-firebase/app": "8.4.5",
    "@react-native-firebase/crashlytics": "8.4.9",
    "@react-native-firebase/messaging": "7.9.0",

Can I just install @next for all three?

[mikehardy]

@sanjaypojo

This PR is now released and live for real, the publish ignored my intention to target the 'next' dist-tag, so it's up on 'latest' which is what the npm and yarn managers just grab for you.

I have it test-integrated already into my main work app and I can't find anything wrong. My make-demo.sh test-harness script also worked flawlessly.

To use it, just update any + all react-native-firebase packages you use to current, and make sure you don't have version overrides for the underlying firebase-android-sdk and firebase-ios-sdk (or if you do, update them to 26.0.0 and 7.0.0 respectively)

Any and all testing feedback welcome. Mind the 'BREAKING CHANGE' notes (with migration information) in the various package changelogs, available off: https://rnfirebase.io/releases/

[sanjaypojo]

@mikehardy works like a charm in beta and rolling out to production soon as well :) Amazing work!

[Donhv]

Hi @mikehardy
i cannot run pod install after upgrade latest version.
my version pod: 1.10.0
i use
"@react-native-firebase/analytics": "^8.0.1",
"@react-native-firebase/app": "^9.0.0",
"@react-native-firebase/crashlytics": "^8.5.2",
"@react-native-firebase/messaging": "^8.0.1",
"@react-native-firebase/ml": "^8.0.2",

[mikehardy]

@Donhv you don't post the text of the error, just a partial screen grab, so I'm just guessing

pod repo update
cd ios && rm -f Podfile.lock && pod install

you'll probably be fine with those commands