At this point, your background handler (via setBackgroundMessageHandler) is triggered, but your root React component also gets mounted. On iOS however, when a message is received the device silently starts your application in a background state. On Android, a Headless JS task (an Android only feature) is created that runs separately to your main React component allowing your background handler code to run without mounting your root component. Background Application StateĪlthough the library supports handling messages in background/quit states, the underlying implementation on how this works is different on Android & iOS. To learn more about other available SDKs. View the Server Integration documentation These options can be applied to all FCM messages. View the Sending Notification Requests to APNs documentation to learn more about APNs headers. ![]() The React Native Firebase Messaging module providesĪ simple JavaScript API to interact with FCM. FCM is a costįree service, allowing for server-device and device-device communication. React Native Firebase provides native integration of Firebase Cloud Messaging (FCM) for both Android & iOS. You can follow the manual installation steps for iOS and Android. If you're using an older version of React Native without auto-linking support, or wish to integrate into an existing project, Read the documentation on how to Messaging with XMPP. Use of the sendMessage() API and it's associated listeners requires a custom XMPP server. Read the documentation on how to setup iOS with Firebase Cloud Messaging. ![]() IOS requires further configuration before you can start receiving and sending # Install & setup the app module yarn add Install the messaging module yarn add If you're developing your app using iOS, run this command cd ios/ & pod install
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