React-native-fcm: FCM token is null

[honneygoyal]

FCM.getFCMToken().then(token => {
console.log(token)
// store fcm token in your server
});

In console Null is printed.(For ANDROID didn't tried on IOS)

[gorangajic]

Have you tried on the real device?

[honneygoyal]

Yes it is working on real device!!
The problem was i didn't had google play serivce installed in Genymotion.
Thank you @gorangajic .