Push notifications with FCM in React Native - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does FCM stand for in mobile development?

FCM stands for Firebase Cloud Messaging. It is a service that helps send push notifications to mobile apps.

beginner

Why do we need to ask user permission for push notifications on iOS?

iOS requires apps to ask users for permission before sending push notifications to respect user privacy and control.

intermediate

What is the role of a device token in FCM push notifications?

A device token is a unique ID that identifies a device to FCM so it knows where to send the notification.

intermediate

Name one React Native library commonly used to handle FCM push notifications.

One popular library is '@react-native-firebase/messaging' which helps integrate FCM in React Native apps.

beginner

What is a common step to test push notifications during development?

You can use Firebase Console to send test notifications to your app using the device token.

What is the first step to receive push notifications in a React Native app using FCM?

A Request user permission for notifications

B Send a notification from Firebase Console

C Install a React Native navigation library

D Create a new Firebase project

You must first ask the user for permission to receive notifications before you can get a device token.

Which platform requires explicit user permission for push notifications?

A Android

B iOS

C Both Android and iOS

D Neither Android nor iOS

iOS requires explicit user permission, while Android grants it by default.

What does the device token represent in FCM?

A App version number

B User's email address

C Unique device identifier for sending notifications

D Firebase project ID

The device token uniquely identifies the device to receive push notifications.

Which React Native package is commonly used to handle FCM messaging?

A react-navigation

B axios

C redux

D @react-native-firebase/messaging

The '@react-native-firebase/messaging' package helps integrate FCM push notifications.

Where can you send test push notifications to your app during development?

A Firebase Console

B Google Play Store

C App Store Connect

D React Native CLI

Firebase Console allows you to send test notifications to your app using device tokens.

Explain the process of setting up push notifications with FCM in a React Native app.

Think about the steps from Firebase setup to receiving a notification on the device.

Describe why user permission is important for push notifications and how it differs between iOS and Android.

Consider platform rules and user control over notifications.