c72-rfid-scanner

Getting started

$ npm install c72-rfid-scanner --save

$3

$ react-native link c72-rfid-scanner

Usage

``javascript
import C72RfidScanner from "c72-rfid-scanner";
`

`JSX
const App = () => {


const [isReading, setIsReading] = React.useState();

const [powerState, setPowerState] = React.useState('');

const [tags, setTags] = React.useState([]);

const showAlert = (title, data) => {
Alert.alert(
title,
data,
[
{ text: 'OK', onPress: () => console.log('OK Pressed') },
],
{ cancelable: false },
);
}

const powerListener = (data) => {
//console.log(data);
setPowerState(data);
}

const tagListener = (data) => {
//rssi = data[1] epc = data[0] //Iam only interested in the EPC tag
setTags(tags => tags.concat(data[0]));
}

React.useEffect(() => {
const scanner = C72RFIDScanner;
scanner.initializeReader();
scanner.powerListener(powerListener);
scanner.tagListener(tagListener);
return () => scanner.deInitializeReader();
}, []);

const readPower = async () => {
try {
let result = await C72RFIDScanner.readPower();
showAlert('SUCCESS', The result is ${result});
console.log(result);
} catch (error) {
showAlert('FAILED', error.message);
}
}

const scanSingleTag = async () => {
try {
let result = await C72RFIDScanner.readSingleTag();
showAlert('SUCCESS', The result is ${result});
console.log(result);
} catch (error) {
showAlert('FAILED', error.message);
}
}

const startReading = () => {
C72RFIDScanner.startReadingTags(function success(message) {
setIsReading(message);
})
}

const stopReading = () => {
C72RFIDScanner.stopReadingTags(function success(message) {
setIsReading(false);
});

/**
* When I stop scanning I immediately return the tags in my state
* (You could render a view or do whatever you want with the data)
*/
console.log(tags);
}

return (



{powerState}



readPower()} title='Read Power' />



scanSingleTag()} title='Read Single Tag' />



startReading()} title='Start Bulk Scan' />



stopReading()} title='Stop Bulk Scan' />



);

}

export default App;
``