import com.kakaogame.KGTKakaoTalk;

KGTKakaoInvitation;
import com.kakaogame.KGTPlayer;
import com.kakaogame.KGTKakaoFriendProfile;

// [TODO] Event Id.
int eventId = 0;

// Retrieve the list of friends to whom I sent an invite message.
KGTKakaoInvitation.joiners(eventId, result -> {
    if (result.isSuccess()) {
        // Successfully retrieve the list of friends.

        // Retrieve the list of players I have invited.
        KGTKakaoInvitation.KGTInvitationJoinersResponse joinersResponse = result.getContent();

        // List of players who have joined the app, including those who have left.
        List<KGTPlayer> joiners = joinersResponse.getPlayers();

        if (joiners.isEmpty()) {
            // No users have joined the app.
        } else {
            // There are users who have joined the app.
            for (KGTPlayer player : joiners) {
                // Recipient’s player ID
                String playerId = player.getPlayerId();

                KGTKakaoFriendProfile kakaoProfile = (KGTKakaoFriendProfile) player.getIdpProfile();
                // Recipient’s nickname
                String nickname = kakaoProfile.getNickname();
                // Recipient’s profile thumbnail image
                String thumbnailImageUrl  = kakaoProfile.getThumbnailImageUrl();

                // Recipient’s withdrawal history inquiry. Use the corresponding flag when displaying the withdrawal status information in the UI.
                boolean isUnregistered = kakaoProfile.isUnregistered();
            }
        }
    } else if (result.getCode() == KGTResult.KGTResultCode.NOT_KAKAOTALK_USER) {
        // The logged-in user is not a 'KakaoTalk' user. This occurs when the user is only registered with KakaoStory and not KakaoTalk.
    } else {
        // Failed to retrieve the list of friends.
    }
});