Top 10 Examples of "react-native-nfc-manager in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'react-native-nfc-manager' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
console.warn('start fail', error);
this.setState({supported: false});
})
if (Platform.OS === 'android') {
NfcManager.getLaunchTagEvent()
.then(tag => {
console.log('launch tag', tag);
if (tag) {
this.setState({ tag });
}
})
.catch(err => {
console.log(err);
})
NfcManager.isEnabled()
.then(enabled => {
this.setState({ enabled });
})
.catch(err => {
console.log(err);
})
NfcManager.onStateChanged(
event => {
if (event.state === 'on') {
this.setState({enabled: true});
} else if (event.state === 'off') {
this.setState({enabled: false});
} else if (event.state === 'turning_on') {
// do whatever you want
} else if (event.state === 'turning_off') {
// do whatever you wantfor (let i = 0; i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data.push(0);
}
// Fill the block with our text, but don't exceed the block size
for (let i = 0; i < this.state.textToWrite.length && i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data[i] = parseInt(this.state.textToWrite.charCodeAt(i));
}
return NfcManager.mifareClassicWriteBlock(block, data);
})
.then(read)
};
this.setState({ isDetecting: true });
NfcManager.registerTagEvent(tag => console.log(tag))
.then(() => NfcManager.requestTechnology(NfcTech.MifareClassic))
.then(() => NfcManager.getTag())
.then(tag => {
this.setState({ tag });
return NfcManager.mifareClassicGetSectorCount();
})
.then(sectorCount => {
this.setState({ sectorCount });
})
.then(() => {
let sector = parseInt(this.state.sector);
if (isNaN(sector)) {
this.setState({ sector: '0' });
sector = 0;
}console.log('launch tag', tag);
if (tag) {
this.setState({ tag });
}
})
.catch(err => {
console.log(err);
})
NfcManager.isEnabled()
.then(enabled => {
this.setState({ enabled });
})
.catch(err => {
console.log(err);
})
NfcManager.onStateChanged(
event => {
if (event.state === 'on') {
this.setState({enabled: true});
} else if (event.state === 'off') {
this.setState({enabled: false});
} else if (event.state === 'turning_on') {
// do whatever you want
} else if (event.state === 'turning_off') {
// do whatever you want
}
}
)
.then(sub => {
this._stateChangedSubscription = sub;
// remember to call this._stateChangedSubscription.remove()
// when you don't want to listen to this anymore.then(block => {
// Create 1 block
let data = [];
for (let i = 0; i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data.push(0);
}
// Fill the block with our text, but don't exceed the block size
for (let i = 0; i < this.state.textToWrite.length && i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data[i] = parseInt(this.state.textToWrite.charCodeAt(i));
}
return NfcManager.mifareClassicWriteBlock(block, data);
})
.then(read).then(block => {
// Create 1 block
let data = [];
for (let i = 0; i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data.push(0);
}
// Fill the block with our text, but don't exceed the block size
for (let i = 0; i < this.state.textToWrite.length && i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data[i] = parseInt(this.state.textToWrite.charCodeAt(i));
}
return NfcManager.mifareClassicWriteBlock(block, data);
})
.then(read)const write = () => {
return NfcManager.mifareClassicSectorToBlock(parseInt(this.state.sector))
.then(block => {
// Create 1 block
let data = [];
for (let i = 0; i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data.push(0);
}
// Fill the block with our text, but don't exceed the block size
for (let i = 0; i < this.state.textToWrite.length && i < NfcManager.MIFARE_BLOCK_SIZE; i++) {
data[i] = parseInt(this.state.textToWrite.charCodeAt(i));
}
return NfcManager.mifareClassicWriteBlock(block, data);
})
.then(read)
};_startDetection = () => {
NfcManager.registerTagEvent(this._onTagDiscovered)
.then(result => {
console.log('registerTagEvent OK', result)
})
.catch(error => {
console.warn('registerTagEvent fail', error)
})
}_runTest = textToWrite => {
const cleanUp = () => {
this.setState({isTestRunning: false});
NfcManager.closeTechnology()
NfcManager.unregisterTagEvent();
}
const parseText = (tag) => {
if (tag.ndefMessage) {
return NdefParser.parseText(tag.ndefMessage[0]);
}
return null;
}
this.setState({isTestRunning: true});
NfcManager.registerTagEvent(tag => console.log(tag))
.then(() => NfcManager.requestTechnology(NfcTech.Ndef))
.then(() => NfcManager.getTag())
.then(tag => {
console.log(JSON.stringify(tag));
})
.then(() => NfcManager.getNdefMessage())
.then(tag => {
let parsedText = parseText(tag);
this.setState({tag, parsedText})
})
.then(() => NfcManager.writeNdefMessage(buildTextPayload(textToWrite)))
.then(cleanUp)
.catch(err => {
console.warn(err);
cleanUp();
})_startNfc = () => {
NfcManager.start()
.then(() => NfcManager.isEnabled())
.then(enabled => this.setState({ enabled }))
.catch(err => {
console.warn(err);
this.setState({ enabled: false });
});
};_startNfc() {
NfcManager.start({
onSessionClosedIOS: () => {
console.log('ios session closed');
}
})
.then(result => {
console.log('start OK', result);
})
.catch(error => {
console.warn('start fail', error);
this.setState({supported: false});
})
if (Platform.OS === 'android') {
NfcManager.getLaunchTagEvent()
.then(tag => {
console.log('launch tag', tag);