DrowMenu.java

//Project Drow / Menu ( ToolBar/SideBar + Back + Logout )
//https://imgur.com/a/EG1Bncr

package com.mycompany.myapp;

import com.codename1.components.ImageViewer;
import com.codename1.components.SpanLabel;
import static com.codename1.ui.CN.*;
import com.codename1.ui.Display;
import com.codename1.ui.Form;
import com.codename1.ui.Dialog;
import com.codename1.ui.Label;
import com.codename1.ui.plaf.UIManager;
import com.codename1.ui.util.Resources;
import com.codename1.io.Log;
import com.codename1.ui.Toolbar;
import java.io.IOException;
import com.codename1.ui.layouts.BoxLayout;
import com.codename1.io.NetworkEvent;
import com.codename1.ui.FontImage;
import com.codename1.ui.events.ActionEvent;
import com.codename1.ui.events.ActionListener;

/**
 * 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 MyApplication {

    private Form current;
    private Resources theme;

    // Form f1, f2, f3;
    // Command cmd1, cmd2, cmd3, cmdBack;

    public void init(Object context) {
        // use two network threads instead of one
        updateNetworkThreadCount(2);

        theme = UIManager.initFirstTheme("/theme");

        // Enable Toolbar on all Forms by default
        Toolbar.setGlobalToolbar(true);



        addNetworkErrorListener(err -> {
            // prevent the event from propagating
            err.consume();
            if(err.getError() != null) {
                Log.e(err.getError());
            }
            Log.sendLogAsync();
            Dialog.show("Connection Error", "There was a networking error in the connection to " + err.getConnectionRequest().getUrl(), "OK", null);
        });
    }

    public void start() {
        if(current != null){
            current.show();
            return;
        }
       Form HomePage = new Form("HomePage", BoxLayout.y());
      // Form hi1 = new Form("Hi World", BoxLayout.xCenter()); ????????
       Form form1 = new Form("WEBSITE", BoxLayout.y());
       Form form2 = new Form("SETTINGS",BoxLayout.y());
       Form form3 = new Form("About",BoxLayout.y());


       Toolbar tb = HomePage.getToolbar();
       Toolbar tb1 = form1.getToolbar();
        Toolbar tb2 = form2.getToolbar();
         Toolbar tb3 = form3.getToolbar();




         /************** Website Toolbar (form1) ***********/
          tb.addMaterialCommandToSideMenu("Website", FontImage.MATERIAL_WEB,new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent evt) {
            form1.add(new SpanLabel(" tb.addMaterialCommandToSideMenu(\"Website\", FontImage.MATERIAL_WEB,new ActionListener() {\n" +
"            @Override\n" +
"            public void actionPerformed(ActionEvent evt) {\n" +
"            form1.add(new Label(\"Website Page \"));\n" +
"            form1.show();\n" +
"          } "));
            form1.show();
          }
        });

          /***************  Settings  Toolbar (form2)  **********/
            tb.addMaterialCommandToSideMenu("Settings", FontImage.MATERIAL_SETTINGS, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent evt) {
                form2.add(new SpanLabel("   tb.addMaterialCommandToSideMenu(\"Settings\", FontImage.MATERIAL_SETTINGS, new ActionListener() {\n" +
"            @Override\n" +
"            public void actionPerformed(ActionEvent evt) {\n" +
"                form2.add(new Label(\" Settings Page \"));\n" +
"                form2.show(); }"));
                form2.show();

            }
        });
            /***************  About  Toolbar   **********/
            tb.addMaterialCommandToSideMenu("About", FontImage.MATERIAL_MORE, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent evt) {
                form3.add(new SpanLabel("tb.addMaterialCommandToSideMenu(\"About\", FontImage.MATERIAL_MORE, new ActionListener() {\n" +
"            @Override\n" +
"            public void actionPerformed(ActionEvent evt) {\n" +
"                form3.add(new Label(\"About Page : tb.addMaterialCommandToSideMenu \"));\n" +
"                form3.show();"));

                form3.show();

            }
        });



/*****************************************************************************************************/
            /************  Back WebSite → Home    *******************/

       tb1.addCommandToLeftBar("Back",null, new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent evt) {
                HomePage.show();

            }
        });

          /************  Back Setting → Home    *******************/
            //f3.getToolbar().addCommandToOverflowMenu("Back", theme.getImage("back-command.png"), new ActionListener() {

       tb2.addCommandToOverflowMenu("Back",null, new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent evt) {
                HomePage.show();

            }
        });

          /************  Back(on the Right) About → Home    *******************/

       tb3.addCommandToRightBar("Back",null, new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent evt) {
                HomePage.show();

            }
        });


          /**************************************************************************/
        HomePage.add(new Label("Hi ! This is the Home Page"));
        HomePage.show();


        //Step2 (not done yet ) : FlowLayout → CENTER CENTER pour (Web,Setting,About)


    }

    public void stop() {
        current = getCurrentForm();
        if(current instanceof Dialog) {
            ((Dialog)current).dispose();
            current = getCurrentForm();
        }
    }

    public void destroy() {
    }

}

  /*******************************  COMBOBOX  *******************************************/
/*
      Form hi = new Form("ComboBox", new BoxLayout(BoxLayout.Y_AXIS));


    ComboBox combo = new ComboBox();
    combo.addItem("Ali");
    combo.addItem("Mohamed");
    combo.addItem("Sarrah");

    hi.add(combo);
      hi.show();
*/