FCM Client

Kotlin library for sending Firebase Cloud Messages using the v1 HTTP protocol.

Requirements

Sending of messages to FCM requires the admin service account credentials.

• Navigate to your project in the Firebase console
• Click the settings gear icon and then Project settings in the drop down
• Click the Service Accounts tab
• Click Generate new private key on the Firebase Admin SDK tab

Sample Usage

// Create the client using the downloaded google-services.json
val fcmClient = File("google-services.json")
   .inputStream()
   .let { accountStream -> GoogleServiceAccountResolver(accountStream) }
   .let { accountResolver -> HttpUrlFcmClient(accountResolver) }

// Create a message and give it to the client for delivery to FCM
fcmClient.send(
   Message(
      data = mapOf(
         "Hello" to "World!"
      ),
      android = AndroidConfig(
         restrictedPackageName = "com.sample.package"
      ),
      condition = "'my-channel' in topics"
   )
)

Install

implementation "com.ToxicBakery.fcmclient:fcm-client:1.+"