Firebase Invites - Callback

MainActivity.java

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    Log.d(TAG, "onActivityResult: requestCode=" + requestCode + ", resultCode=" + resultCode);

    if (requestCode == REQUEST_INVITE) {
        if (resultCode == RESULT_OK) {
            // Get the invitation IDs of all sent messages
            String[] ids = AppInviteInvitation.getInvitationIds(resultCode, data);
            for (String id : ids) {
                Log.d(TAG, "onActivityResult: sent invitation " + id);
            }
        } else {
            Toast.makeText(this, R.string.send_failed, Toast.LENGTH_LONG).show();
        }
    }
}