react-native-nfc-manager/example/AppMultiTech.js

64 lines
1.4 KiB
JavaScript

import React from 'react';
import {
View,
Text,
Button,
Platform,
TouchableOpacity,
Linking,
TextInput,
ScrollView,
} from 'react-native';
import NfcManager, {NfcTech} from '../NfcManager';
class AppMultiTech extends React.Component {
componentDidMount() {
NfcManager.start();
}
componentWillUnmount() {
this._cleanUp();
}
render() {
return (
<View style={{padding: 20}}>
<Text>NFC Multi-tech Demo</Text>
<TouchableOpacity
style={{padding: 10, width: 200, margin: 20, borderWidth: 1, borderColor: 'black'}}
onPress={this._testMultiTech}
>
<Text>Test</Text>
</TouchableOpacity>
<TouchableOpacity
style={{padding: 10, width: 200, margin: 20, borderWidth: 1, borderColor: 'black'}}
onPress={this._cleanUp}
>
<Text>Cancel Test</Text>
</TouchableOpacity>
</View>
)
}
_cleanUp = () => {
NfcManager.cancelTechnologyRequest().catch(() => 0);
NfcManager.unregisterTagEvent().catch(() => 0);
}
_testMultiTech = async () => {
try {
await NfcManager.registerTagEvent()
let resp = await NfcManager.requestTechnology([NfcTech.IsoDep, NfcTech.Ndef]);
console.warn(resp);
let tag = await NfcManager.getTag();
console.warn(tag);
this._cleanUp();
} catch (ex) {
this._cleanUp();
}
}
}
export default AppMultiTech;