public async Task VerifyPhoneNumberAsync(string phoneNumber)
{
try {
await _phoneNumberAuth.VerifyPhoneNumberAsync(ViewController, phoneNumber);
} catch (NSErrorException e) {
throw new FirebaseException(e.Error?.LocalizedDescription);
}
}
public Task VerifyPhoneNumberAsync(string phoneNumber)
{
return(_phoneNumberAuth.VerifyPhoneNumberAsync(Activity, phoneNumber));
}