Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'expo-local-authentication' 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.
private async updateState() {
this.setState({
hasHardware: await LocalAuthentication.hasHardwareAsync()
});
}
}
async checkDevicePossibilities() {
const hasHardware = await LocalAuthentication.hasHardwareAsync();
const isEnrolled = await LocalAuthentication.isEnrolledAsync();
this.setState({ hasHardware, isEnrolled });
}
async checkDevicePossibilities() {
const hasHardware = await LocalAuthentication.hasHardwareAsync();
const isEnrolled = await LocalAuthentication.isEnrolledAsync();
this.setState({ hasHardware, isEnrolled });
}
.map(type => {
switch (type) {
case LocalAuthentication.AuthenticationType.FINGERPRINT:
return 'FINGERPRINT';
case LocalAuthentication.AuthenticationType.FACIAL_RECOGNITION:
return 'FACIAL_RECOGNITION';
default:
throw new Error(`Unrecognised authentication type returned: '${type}'`);
}
})
.join(', ');
private async authenticate() {
const authenticated = await LocalAuthentication.authenticateAsync({
promptMessage: "Authentication message"
});
if (authenticated.success) {
this.setState({
authenticationError: "None"
});
} else {
this.setState({
authenticationError: authenticated.error
});
}
this.setState({
authenticated: authenticated.success
});
checkAuthenticationsTypes = async () => {
const result = await LocalAuthentication.supportedAuthenticationTypesAsync();
const stringResult = result
.map(type => {
switch (type) {
case LocalAuthentication.AuthenticationType.FINGERPRINT:
return 'FINGERPRINT';
case LocalAuthentication.AuthenticationType.FACIAL_RECOGNITION:
return 'FACIAL_RECOGNITION';
default:
throw new Error(`Unrecognised authentication type returned: '${type}'`);
}
})
.join(', ');
alert(stringResult ? `Available types: ${stringResult}` : 'No available authentication types!');
};