A library to subscribe to GCM/FCM and receive notifications.
This library was developed inspired by push-receiver (https://github.com/MatthieuLemoine/push-receiver/).
brew install protobuf
$ go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
$ protoc -I=proto --go_out=pb/mcs proto/mcs.proto
$ protoc -I=proto --go_out=pb/checkin proto/checkin.proto
$ protoc -I=proto --go_out=pb/checkin proto/android_checkin.proto
$ go build
MIT License
proto file is licensed by is The Chromium Authors. (BSD-style license) (copied it from https://chromium.googlesource.com/chromium/chromium/+/trunk/google_apis/gcm/protocol/)