Application controller for TweetApp after adding alternate control flow if user is logged in already

Tweetapp.java

package com.example.tweetapp;

import static com.codename1.rad.util.NonNull.with;
import static com.codename1.ui.CN.*;

import com.codename1.rad.controllers.ControllerEvent;
import com.codename1.rad.nodes.ActionNode;
import com.codename1.rad.ui.ActionStyle;
import com.codename1.twitterui.models.TWTUserProfile;
import com.codename1.twitterui.models.TWTUserProfileImpl;
import com.codename1.twitterui.views.TWTSideBarView;
import com.codename1.ui.*;
import com.codename1.ui.events.ActionEvent;
import com.codename1.ui.layouts.*;
import com.codename1.io.*;
import com.codename1.ui.plaf.*;
import com.codename1.ui.util.Resources;
import com.codename1.rad.controllers.ApplicationController;
import com.example.tweetapp.providers.NewsFeedProvider;
import com.example.tweetapp.services.TweetAppClient;
import com.example.tweetapp.views.HomePageController;
import com.example.tweetapp.views.WelcomePageController;

/**
 * This file was generated by <a href="https://www.codenameone.com/">Codename One</a> for the purpose 
 * of building native mobile applications using Java.
 */
public class Tweetapp extends ApplicationController {

    @Override
    protected void initControllerActions() {
        super.initControllerActions();

        // Sidebar Actions which will be injected into the TWTSideBarView

        ActionNode.builder()
            .label("Profile")
            .icon(FontImage.MATERIAL_ACCOUNT_CIRCLE)
                .addToController(this, TWTSideBarView.SIDEBAR_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Lists")
            .icon(FontImage.MATERIAL_LIST)
                .addToController(this, TWTSideBarView.SIDEBAR_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Topics")
            .icon(FontImage.MATERIAL_CATEGORY)
                .addToController(this, TWTSideBarView.SIDEBAR_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Bookmarks")
            .icon(FontImage.MATERIAL_BOOKMARKS)
                .addToController(this, TWTSideBarView.SIDEBAR_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Moments")
            .icon(FontImage.MATERIAL_BOLT)
                .addToController(this, TWTSideBarView.SIDEBAR_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Create new account")
                .addToController(this, TWTSideBarView.SIDEBAR_TOP_OVERFLOW_MENU, evt -> {});

        ActionNode.builder()
            .label("Add Existing Account")
                .addToController(this, TWTSideBarView.SIDEBAR_TOP_OVERFLOW_MENU, evt -> {});

        ActionNode.builder()
            .label("Settings and privacy")
                .addToController(this, TWTSideBarView.SIDEBAR_SETTINGS_ACTIONS, evt -> {});

        ActionNode.builder()
            .label("Help Center")
                .addToController(this, TWTSideBarView.SIDEBAR_SETTINGS_ACTIONS, evt -> {});

        ActionNode.builder()
            .icon(FontImage.MATERIAL_LIGHTBULB_OUTLINE)
                .addToController(this, TWTSideBarView.SIDEBAR_BOTTOM_LEFT_ACTIONS, evt -> {});

        ActionNode.builder()
            .icon(FontImage.MATERIAL_SCANNER)
                .addToController(this, TWTSideBarView.SIDEBAR_BOTTOM_RIGHT_ACTIONS, evt -> {});

        ActionNode.builder()
                .icon(FontImage.MATERIAL_ACCOUNT_CIRCLE)
                .addToController(this, TWTSideBarView.SIDEBAR_TOP_ACTIONS, evt -> {});

        ActionNode.builder()
                .icon(FontImage.MATERIAL_ACCOUNT_BALANCE_WALLET)
                .addToController(this, TWTSideBarView.SIDEBAR_TOP_ACTIONS, evt -> {});


        ActionNode.builder()
                .icon("Following")
                .label("311")
                .addToController(this, TWTSideBarView.SIDEBAR_STATS, evt -> {});

        ActionNode.builder()
                .icon("Followers")
                .label("344")
                .addToController(this, TWTSideBarView.SIDEBAR_STATS, evt -> {});




    }

    @Override
    protected void onStartController() {
        super.onStartController();

        /**
         * Add a TweetAppClient as a lookup so that it will be available throughout
         * the app via {@link #lookup(Class)} 
         */
        TweetAppClient client = new TweetAppClient();
        addLookup(client);
        if (client.isLoggedIn()) {

            // The client is logged in.  We hardcode the userprofile here as me
            // but in real app you would have the profile created based on who is logged in.
            TWTUserProfile userProfile = new TWTUserProfileImpl();
            userProfile.setName("Steve Hannah");
            userProfile.setIdentifier("@shannah78");
            userProfile.setThumbnailUrl("https://www.codenameone.com/img/steve.jpg");
            addLookup(TWTUserProfile.class, userProfile);

        }
        addLookup(new NewsFeedProvider());

    }

    public void actionPerformed(ControllerEvent evt) {

        with(evt, StartEvent.class, startEvent -> {
            if (!startEvent.isShowingForm()) {
                startEvent.setShowingForm(true);
                if (lookup(TweetAppClient.class).isLoggedIn()) {
                    new HomePageController(this).show();
                } else {
                    new WelcomePageController(this).show();
                }
            }

        });
        super.actionPerformed(evt);
    }
}