Notifee

Notifee.md

Receiving Messages FCM

1. ForegroundState

// any component you want
useEffect(() => {
  const unsubscribe = messaging().onMessage(async (message) => {
    // work
  });
  return unsubscribe;
}, []);

2. Background state
   This is in Android

// outside your app as register background handler inside => index.js
messaging().setBackgroundHandler(async () => {
  // work
});

This is in IOS, Manually insert it

    function isHeadless(({isHeadless}) => {
        if(isHeadless){
            return null;
        }
        return <App />
    })

Notifee handler notifee.app

Links:

1. https://www.youtube.com/watch?v=gOZuD2SVHBo