uva-covid19-testing-kiosk/components/Scan.tsx

66 lines
2.0 KiB
TypeScript

import {BarCodeScanner} from 'expo-barcode-scanner';
import React, {ReactElement, useState} from 'react';
import {View, Text} from 'react-native';
import {Button} from 'react-native-paper';
import {ButtonProps, ScannerProps} from '../models/ElementProps';
import {colors, styles} from './Styles';
declare type CameraType = number | 'front' | 'back' | undefined;
export const Scanner = (props: ScannerProps): ReactElement => {
const [componentKey, setComponentKey] = useState<number>(0);
const [cameraType, setCameraType] = useState<CameraType>('back');
const _toggleCameraType = () => {
setCameraType(cameraType === 'front' ? 'back' : 'front');
setComponentKey(componentKey + 1);
}
const ScanCamera = (): ReactElement => {
return <View style={styles.container}>
<View style={styles.container}>
<BarCodeScanner
type={cameraType}
onBarCodeScanned={props.onScanned}
style={styles.fullScreen}
/>
</View>
<View style={styles.centerMiddle}>
<View style={styles.captureBox} />
</View>
<Text style={styles.subtitle}>
Hold your ID card up, with the barcode facing the camera. Keep the card in the green box.
</Text>
<View style={styles.centerMiddle}>
<Button
mode="contained"
color={colors.primary}
icon="camera-switch"
onPress={_toggleCameraType}
style={{marginVertical: 10}}
>Switch Camera</Button>
<Button
mode="text"
color={colors.primary}
icon="cancel"
onPress={props.onCancel}
style={styles.btnWhite}
>Cancel</Button>
</View>
</View>;
}
return <ScanCamera key={componentKey} />;
};
export const ScanButton = (props: ButtonProps): ReactElement => {
return <Button
icon="camera"
mode="contained"
color={colors.accent}
onPress={props.onClicked}
style={styles.btnLg}
labelStyle={styles.btnLg}
>Scan Barcode</Button>;
};