getSupportedBiometryType()
ts
function getSupportedBiometryType(): Promise<null | BIOMETRY_TYPE>Gets the type of biometric authentication supported by the device.
Returns
Promise<null | BIOMETRY_TYPE>
Resolves to a BIOMETRY_TYPE when supported, otherwise null.
Example
typescript
const biometryType = await Keychain.getSupportedBiometryType();
console.log('Supported Biometry Type:', biometryType);