Missing api_key/current key with Google Services 3.0.0

Question

Since I upgraded the project with the latest version of google services and libraries (9.0.0), I have this strange issue :

Grade console :

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Answer 1

You need to add SHA certificate fingerprints to your project and then download the google-services.jason file again, which should contain "api_key": [{ "current_key": "xxxxxx" }] automatically.

You can view following page to see how to generate the fingerprints:

https://developers.google.com/android/guides/client-auth

On windows, just execute following command, and use android as password for debug purpose:

keytool -exportcert -list -v -alias androiddebugkey -keystore %USERPROFILE%\.android\debug.keystore

Answer 2

For firebase migrators:

make sure you have added at least one Fingerprint in your project settings and re-download the google-services.json file

Answer 3

Although Jozka Jozin's accepted answer and its comments, Cloud Messaging is neither related nor required.

Nevertheless, re-generating google-services.json is the key to solution (so I voted him). Below is what I did:

As you know you can generate the config file for Analytics from the Google Developers Guide.

1: Choose your app.

2: Close the popup! It hides...

3: THE OPTION OF ADMOB!

4： Of course, select and enable it!

5: Now we can rightly generate configuration files!

6: We made it! This time, the configuration file should include the api_key appropriately.

Conclusion: The UI of the interactive generation tool is a bit confusing...

Answer 4

If you are using firebaes, you have to copy serverKey from the firebase to the google-services.json

 "api_key": [{ "current_key": "SERVER_KEY"}

To get the server Key, Goto ProjectOverview> Project Settings > CloudMessaging > Copy OR generate and copy serverKey..

Answer 5

regenerate google-services.json at https://developers.google.com/cloud-messaging/android/client#get-config,one important thing is that you must enable Cloud Messaging in "Choose services" step ,open the new google-services.json file you will see words like

    "api_key": [
     {
       "current_key": "xxxxxxxxxxx"
     }"

without this words or without value of current_key is not the right file