Question 1

How do I install react-native-qrcode-scanner?

Accepted Answer

Install via npm with `npm install react-native-qrcode-scanner --save`, then link it and its dependencies like react-native-camera and react-native-permissions, following the platform-specific configuration steps in the README for iOS and Android.

Question 2

Is react-native-qrcode-scanner still maintained?

Accepted Answer

No, the project is archived and no longer actively maintained, as stated in the README. The author recommends using newer libraries like react-native-vision-camera for better support and features.

Question 3

Can I use react-native-qrcode-scanner for barcode scanning?

Accepted Answer

Yes, it supports generic barcode scanning through its underlying react-native-camera dependency, though it was initially built for QR codes, as mentioned in the overview section.

Question 4

react-native-qrcode-scanner vs react-native-vision-camera: which should I choose?

Accepted Answer

For new projects, choose react-native-vision-camera as it's actively maintained, offers better performance, and has a plugin for code scanning. react-native-qrcode-scanner is legacy and only suitable for existing apps that already use it.

Question 5

How do I customize the scanner UI with this library?

Accepted Answer

Use props like topContent, bottomContent, customMarker, and style props (e.g., cameraStyle, markerStyle) to modify the interface, as detailed in the props section of the README with example code.

Question 6

What are common issues with react-native-qrcode-scanner on Android?

Accepted Answer

Common issues include permission handling with react-native-permissions, camera timeouts, and configuration errors in build.gradle or AndroidManifest.xml, which often rely on community debugging due to the archived status.

react-native-qrcode-scanner R

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