signin.kt

private fun signInWithPhoneAuthCredential(credential: PhoneAuthCredential) {
        FirebaseAuth.getInstance().signInWithCredential(credential)
            .addOnCompleteListener { task ->
                if (task.isSuccessful) {
                    Timber.v("signInWithCredential:success ${taskId.result?.user?.uid}")
                } else {
                    Timber.v("signInWithCredential:failure ${task.exception}")
                    if (task.exception is FirebaseAuthInvalidCredentialsException)
                        context.toast("Invalid verification code!")
                }
            }
}