public async Task <bool> AuthenticateBiometricAsync(string text = null, string fallbackText = null,
Action fallback = null)
{
if (_deviceActionService.UseNativeBiometric())
{
return(await _deviceActionService.AuthenticateBiometricAsync(text));
}
else
{
try
{
if (text == null)
{
var supportsFace = await _deviceActionService.SupportsFaceBiometricAsync();
text = supportsFace ? AppResources.FaceIDDirection : AppResources.FingerprintDirection;
}
var fingerprintRequest = new AuthenticationRequestConfiguration(text, text)
{
CancelTitle = AppResources.Cancel,
FallbackTitle = fallbackText
};
var result = await CrossFingerprint.Current.AuthenticateAsync(fingerprintRequest);
if (result.Authenticated)
{
return(true);
}
else if (result.Status == FingerprintAuthenticationResultStatus.FallbackRequested)
{
fallback?.Invoke();
}
}
catch { }
return(false);
}
}