Permissions & Device APIs
Camera, geolocation, contacts, notifications, permissions handling, react-native-permissions
1Which library is most commonly used to manage permissions in React Native?
Which library is most commonly used to manage permissions in React Native?
回答
react-native-permissions is the standard library for managing permissions on iOS and Android. It provides a unified API to request and check permissions like camera, geolocation, or contacts, while handling platform differences transparently.
2What are the possible statuses returned by the check() function from react-native-permissions?
What are the possible statuses returned by the check() function from react-native-permissions?
回答
The check() function returns one of the following statuses: UNAVAILABLE (feature not available on the device), DENIED (permission not requested or denied but still requestable), LIMITED (iOS 14+ for partial access), GRANTED (permission granted), or BLOCKED (permission permanently denied, requires going to settings).
3What is the difference between check() and request() in react-native-permissions?
What is the difference between check() and request() in react-native-permissions?
回答
check() only verifies the current permission status without user interaction, while request() checks the status then displays the system dialog if the permission hasn't been requested yet. It's recommended to call check() first to adapt the UX before using request().
How to redirect the user to the app settings to modify a denied permission?
In which file should permissions be declared on iOS?
+17 面接問題