public final class InfiniteScrollAdapter

public void showForm() {
    Form hi = new Form("InfiniteScrollAdapter", new BoxLayout(BoxLayout.Y_AXIS));

    Style s = UIManager.getInstance().getComponentStyle("MultiLine1");
    FontImage p = FontImage.createMaterial(FontImage.MATERIAL_PORTRAIT, s);
    EncodedImage placeholder = EncodedImage.createFromImage(p.scaled(p.getWidth() * 3, p.getHeight() * 3), false);

    InfiniteScrollAdapter.createInfiniteScroll(hi.getContentPane(), () -> {
        java.util.List<Map<String, Object>> data = fetchPropertyData("Leeds");
        if(data == null) {
            InfiniteScrollAdapter.addMoreComponents(hi.getContentPane(), new Component[0], false);
            return;
        }
        MultiButton[] cmps = new MultiButton[data.size()];
        for(int iter = 0 ; iter < data.size() ; iter++) {
            Map<String, Object> currentListing = data.get(iter);
            if(currentListing == null) {
                InfiniteScrollAdapter.addMoreComponents(hi.getContentPane(), new Component[0], false);
                return;
            }
            String thumb_url = (String)currentListing.get("thumb_url");
            String guid = (String)currentListing.get("guid");
            String summary = (String)currentListing.get("summary");
            cmps[iter] = new MultiButton(summary);
            cmps[iter].setIcon(URLImage.createToStorage(placeholder, guid, thumb_url));
        }
        InfiniteScrollAdapter.addMoreComponents(hi.getContentPane(), cmps, true);
    }, true);
    hi.show();
}
int pageNumber = 1;
java.util.List<Map<String, Object>> fetchPropertyData(String text) {
    try {
        ConnectionRequest r = new ConnectionRequest();
        r.setPost(false);
        r.setUrl("http://api.nestoria.co.uk/api");
        r.addArgument("pretty", "0");
        r.addArgument("action", "search_listings");
        r.addArgument("encoding", "json");
        r.addArgument("listing_type", "buy");
        r.addArgument("page", "" + pageNumber);
        pageNumber++;
        r.addArgument("country", "uk");
        r.addArgument("place_name", text);
        NetworkManager.getInstance().addToQueueAndWait(r);
        Map result = new JSONParser().parseJSON(new InputStreamReader(new ByteArrayInputStream(r.getResponseData()), "UTF-8"));
        Map response = (Map)result.get("response");
        return (java.util.List<Map<String, Object>>)response.get("listings");
    } catch(Exception err) {
        Log.e(err);
        return null;
    }
}