Permissions handling in React Native - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of permissions in a mobile app?

Permissions let the app ask for access to sensitive device features like camera, location, or contacts. This protects user privacy and device security.

beginner

How do you request a permission in React Native?

You use the PermissionsAndroid API on Android or the react-native-permissions library for both platforms to ask the user to allow access.

intermediate

What should you do if a user denies a permission request?

You should explain why the permission is needed and offer a way to try again or open app settings to enable it manually.

intermediate

Why is it important to check permission status before accessing a feature?

Checking permission status prevents app crashes and improves user experience by handling denied or restricted permissions gracefully.

beginner

Name a popular React Native library to handle permissions on both iOS and Android.

react-native-permissions is a popular library that simplifies checking and requesting permissions across platforms.

Which React Native API is used to request permissions on Android?

A PermissionsAndroid

B Camera

C LocationManager

D AppRegistry

PermissionsAndroid is the built-in API to request permissions on Android in React Native.

What should you do before accessing the camera in your app?

A Directly open the camera

B Request camera permission from the user

C Restart the app

D Clear app cache

You must request camera permission to respect user privacy and avoid app crashes.

If a user denies a permission, what is a good practice?

A Delete user data

B Force the app to close

C Ignore the denial and continue

D Explain why the permission is needed and offer to retry

Explaining the need and offering retry improves user trust and app usability.

Which library helps manage permissions on both iOS and Android in React Native?

A react-navigation

B react-native-camera

C react-native-permissions

D redux

react-native-permissions simplifies permission handling across platforms.

Why is checking permission status important before feature use?

A To avoid app crashes and handle denied permissions

B To speed up the app launch

C To reduce app size

D To increase battery usage

Checking permission status prevents errors and improves user experience.

Describe the steps to request and handle a permission in a React Native app.

Think about how you ask the user and what you do based on their answer.

Explain why respecting user permissions is important in mobile apps.

Consider what happens if you ignore permissions.