LoginFromDataBase.java

//Login From DataBase [2 Methods](login.php)
// https://imgur.com/a/fFlF1jE
/*
con.setPost(false);
con.addArgument("name", tnom.getText());
*/


package com.mycompany.myapp;

import com.codename1.io.ConnectionRequest;
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.io.NetworkManager;
import com.codename1.ui.Button;
import com.codename1.ui.TextField;
import com.codename1.ui.Toolbar;
import java.io.IOException;
import com.codename1.ui.layouts.BoxLayout;

/**
 * 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;

    public void init(Object context) {
        theme = UIManager.initFirstTheme("/theme");

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

    }

    public void start() {
        if (current != null) {
            current.show();
            return;
        }
        Form hi = new Form("Hi World", BoxLayout.y());
        TextField tnom = new TextField("", "nom");
        TextField tpassword = new TextField("", "password");
        tpassword.setConstraint(TextField.PASSWORD);
        Button btnConne = new Button("connect");

        hi.addAll(tnom, tpassword, btnConne);

        ConnectionRequest con = new ConnectionRequest();
        btnConne.addActionListener((e) -> {

        //Method 1 ( Login From server ) :
       // String url = "http://localhost/codenameoneRessource/login.php?" + "name=" + tnom.getText() + "&password=" + tpassword.getText();

            //Method 2 ( Login From server ) :
               String url = "http://localhost/codenameoneRessource/login.php";
                   con.setPost(false);
                   con.addArgument("name", tnom.getText());
                   con.addArgument("password", tpassword.getText());


                  con.setUrl(url);
            NetworkManager.getInstance().addToQueueAndWait(con);
        });


        con.addResponseListener((e) -> {
            String repo = new String(con.getResponseData());
            System.out.println(repo);

            if(repo.trim().equalsIgnoreCase("OK"))
            {
            Form f2=new Form();
            f2.add(new Label("Hi Admin You Logged in Successfully !"));
            f2.show();
          f2.getToolbar().addCommandToLeftBar("back",null, ev->{hi.show();});
            }
            else
            {
            Dialog.show("Error","login ou pwd invalid","ok",null);
            }
        });

        hi.add(new Label("username : admin , password : admin"));
        hi.show();
    }

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

    public void destroy() {
    }

}


//login.php Link : https://pastebin.com/Zc08ciaj
//https://i.imgur.com/LB3pRGn.png