update

index.js

@@ -0,0 +1,32 @@
+import { registerRootComponent } from "expo";
+import messaging from "@react-native-firebase/messaging";
+import notifee from "@notifee/react-native";
+
+import App from "./App";
+
+import {
+  displayNotification,
+  triggerEvent,
+} from "./src/providers/NotificationProvider";
+
+// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
+// It also ensures that whether you load the app in Expo Go or in a native build,
+// the environment is set up appropriately
+
+messaging().setBackgroundMessageHandler(async (remoteMessage) => {
+  console.log("Message handled in the background!", remoteMessage);
+  await displayNotification(remoteMessage.data);
+});
+
+notifee.onBackgroundEvent(triggerEvent);
+
+function HeadlessCheck({ isHeadless }) {
+  if (isHeadless) {
+    // App has been launched in the background by iOS, ignore
+    return null;
+  }
+
+  return <App />;
+}
+
+registerRootComponent(App, () => HeadlessCheck);