How to implement Google FCM Push Notification in Android Application
Introduction : What is Firebase Cloud Messaging (FCM)? Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages at no cost. Using FCM, you can notify a client app that a new email or other data is available to sync. You can send notification messages to the user so that you can retain your user and keep them engaged. For use cases such as instant messaging, a message can transfer a payload of up to 4KB to a client app. Why we need FCM? You have developed an app, you want to send some information to your audience, you wonder how will you deliver them? Here FCM comes in picture. Google introduced Firebase Cloud Messaging (FCM) which is a free tool/platform that will help you send Push Notification to Android apps. All modern app uses FCM to send the notification to their audience, it's a great feature to integrate with your app to make it more premium. Below is the self-explanatory diagram, how FCM works in the back...