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vision-camera-qrcode-scanner
Advanced tools
Readme
VisionCamera Frame Processor Plugin to read barcodes using MLKit Vision Barcode Scanning
yarn add vision-camera-qrcode-scanner
Add this to your babel.config.js
[
'react-native-reanimated/plugin',
{
globals: ['__scanQRCodes'],
},
]
import * as React from 'react';
import { runOnJS } from 'react-native-reanimated';
import { StyleSheet, Text } from 'react-native';
import {
useCameraDevices,
useFrameProcessor,
} from 'react-native-vision-camera';
import { Camera } from 'react-native-vision-camera';
import { scanQRCodes, QrCode } from 'vision-camera-qrcode-scanner';
export default function App() {
const [hasPermission, setHasPermission] = React.useState(false);
const [qrCodes, setQrCodes] = React.useState<QrCode[]>([]);
const devices = useCameraDevices();
const device = devices.back;
React.useEffect(() => {
(async () => {
const status = await Camera.requestCameraPermission();
setHasPermission(status === 'authorized');
})();
}, []);
const frameProcessor = useFrameProcessor((frame) => {
'worklet';
const qrcode = scanQRCodes(frame);
runOnJS(setQrCodes)(qrcode);
}, []);
return (
device != null &&
hasPermission && (
<>
<Camera
style={StyleSheet.absoluteFill}
device={device}
isActive={true}
frameProcessor={frameProcessor}
frameProcessorFps={5}
/>
{qrCodes.map((qrcode, idx) => (
<Text key={idx} style={styles.qrCodeTextURL}>
{qrcode.url}
</Text>
))}
</>
)
);
}
const styles = StyleSheet.create({
qrCodeTextURL: {
fontSize: 20,
color: 'white',
fontWeight: 'bold',
},
});
See the contributing guide to learn how to contribute to the repository and the development workflow.
MIT
FAQs
VisionCamera Frame Processor Plugin to read barcodes using MLKit Vision Barcode Scanning
The npm package vision-camera-qrcode-scanner receives a total of 2 weekly downloads. As such, vision-camera-qrcode-scanner popularity was classified as not popular.
We found that vision-camera-qrcode-scanner demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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