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

If you don't want to reconfigure and download the google-services.json file then you can fetch the api key directly from firebase console. Just go to

Overview > Add another App > Web

You will get configuration for your database which will contain apiKey. Just copy that value and place it in the current_key value denoted by XXX below

"api_key": [{ "current_key": "XXX" }]