invite.java

AppInvite.AppInviteApi.getInvitation(googleApiClient, this, autoLaunchDeepLink)
            .setResultCallback(
                    new ResultCallback<AppInviteInvitationResult>() {
                        @Override
                        public void onResult(@NonNull AppInviteInvitationResult result) {
                            if (result.getStatus().isSuccess()) {
                                Intent intent = result.getInvitationIntent();
                                String deepLink = AppInviteReferral.getDeepLink(intent);
                              // Handloe the deep link
                            } else {
                                Log.d(TAG, "Oops, looks like there was no deep link found!");
                            }
                        }
                    });