Firebase provides detailed documentation and cross-platform SDKs to help you build and ship apps on Android, iOS, the web, C++, and Unity .
Read moreHow does cloud messaging work?
Short answer: FCM, or Firebase Cloud Messaging works by keeping a connection open towards the Google servers from your phone . This connection listens to messages from Google servers and takes action on your phone when messages are received.
Read moreCan Firebase send SMS?
You can send SMS Verification using Firebase and you cannot send ordinary SMS through Firebase . You can send using Twilio instead.
Read moreHow do I know if I am logged into Firebase?
“firebase auth check if user is logged in” Code Answer
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