Hotel Reservation

/*
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package triana.novi.midlet;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;

public class HotelMidlet
        extends MIDlet
        implements CommandListener {

    private static final String kJenisKamar = "Jenis Kamar";
    private static final String kTambahan = "Tambahan Fasilitas Kamar";
    private static final String kTanggal = "Tanggal Meningap";
    private static final String kTotal = "Total";
    private static final String kExit = "Exit";
    private Display mDisplay;
    private List mMainList, mJenisKamar, mTambahan;
    private TextField tCheckIn = new TextField("Tanggal Check In (Hari/Bulan/Tahun):", "", 30, TextField.ANY);
    private TextField tCheckOut = new TextField("Tanggal Check Out(Hari/Bulan/Tahun):", "", 30, TextField.ANY);
    private Form total, Tanggal;
    private Command mOKCommand;

    public void startApp() {
        if (mMainList == null) {
            mMainList = new List("Pemesanan Kamar Hotel", List.IMPLICIT);
            Image entreeImage = null;
            Image toppingsImage = null;
            Image exitImage = null;


            try {
                entreeImage = Image.createImage("/entrees.png");
                toppingsImage = Image.createImage("/toppings.png");
                exitImage = Image.createImage("/exit.png");

            } catch (java.io.IOException ioe) {
            } catch (Exception e) {
            }
            mMainList.append(kTanggal, exitImage);
            mMainList.append(kJenisKamar, entreeImage);
            mMainList.append(kTambahan, toppingsImage);
            mMainList.append(kTotal, null);
            mMainList.append(kExit, exitImage);
            mMainList.setCommandListener(this);
            mOKCommand = new Command("OK", Command.OK, 0);
            Tanggal = new Form("Tanggal Check In & Check Out");
            Tanggal.append(tCheckIn);
            Tanggal.append(tCheckOut);
            Tanggal.addCommand(mOKCommand);
            Tanggal.setCommandListener(this);

            mJenisKamar =
                    new List("Pilih Jenis Kamar", List.EXCLUSIVE);
            mJenisKamar.append("Presidental Room with Nature View, Double Bed", null);
            mJenisKamar.append("Presidental Room, Double Bed", null);
            mJenisKamar.append("Suite Room, Double Bed", null);
            mJenisKamar.append("Suite Room, Twin Bed", null);
            mJenisKamar.append("Deluxe Room, Double Bed", null);
            mJenisKamar.append("Deluxe Room, Twin Bed", null);
            mJenisKamar.append("Standard Room, Twin Bed", null);
            mJenisKamar.append("Standard Room, Single Bed", null);
            mJenisKamar.addCommand(mOKCommand);
            mJenisKamar.setCommandListener(this);
            mTambahan =
                    new List("Pilih Pelayanan Kamar", List.MULTIPLE);
            mTambahan.append("Breakfast in Bed", null);
            mTambahan.append("Fitness centre", null);
            mTambahan.append("Laundry & Dry Cleaning", null);
            mTambahan.append("Golf Driving Range", null);
            mTambahan.append("Standard Spa Package", null);
            mTambahan.append("Deluxe Spa Package", null);
            mTambahan.append("Deluxe Spa Package + Massage", null);
            mTambahan.addCommand(mOKCommand);
            mTambahan.setCommandListener(this);

            mDisplay = Display.getDisplay(this);
        }
        mDisplay.setCurrent(mMainList);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        if (c == List.SELECT_COMMAND && d == mMainList) {
            int actionIndex = mMainList.getSelectedIndex();
            if (actionIndex < 0) {
                return;
            }
            String action = mMainList.getString(actionIndex);
            if (action.equals(kExit)) {
                destroyApp(true);
                notifyDestroyed();
            } else if (action.equals(kTanggal)) {
                mDisplay.setCurrent(Tanggal);
            } else if (action.equals(kJenisKamar)) {
                mDisplay.setCurrent(mJenisKamar);
            } else if (action.equals(kTambahan)) {
                mDisplay.setCurrent(mTambahan);
            } else if (action.equals(kTotal)) {
                String selection = mJenisKamar.getString(mJenisKamar.getSelectedIndex());
                boolean selected[] = new boolean[mTambahan.size()];

                mTambahan.getSelectedFlags(selected);

                total = new Form("Total");
                total.append("Tanggal Check In:");
                total.append(tCheckIn.getString() + "         ");
                total.append("Tanggal Check Out:");
                total.append(tCheckOut.getString() + "        ");
                total.append("Jenis Kamar:");
                total.append(selection + "           ");
                total.append("Tambahan:");
                for (int i = 0; i < mTambahan.size(); i++) {
                    total.append(mTambahan.getString(i) + (selected[i] ? "(dipesan)" : "(tidak dipesan)"));
                }
                total.addCommand(mOKCommand);
                total.setCommandListener(this);
                mDisplay.setCurrent(total);
            }

        } else if (c == mOKCommand) {
            mDisplay.setCurrent(mMainList);
        }
    }
}

Sending Message

/*
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package triana.novi.midlet;


import java.io.IOException;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.wireless.messaging.*;

public class SendingMessage extends MIDlet implements CommandListener, Runnable {

    private Display display;
    private Command cmdKeluar, cmdLanjut, cmdKembali, cmdKirim;
    private Displayable prevScreen;
    private TextBox tfNum, tfText;
    private String port;
    private Thread thread;
    private Alert alert;
    private final String INVALID_PHONE =
            "Nomor yang dimasukkan tidak absah";

    public SendingMessage() {
        display = Display.getDisplay(this);
        port = getAppProperty("Port-SMS");

        cmdKeluar = new Command("Keluar", Command.EXIT, 1);
        cmdLanjut = new Command("Lanjut", Command.SCREEN, 1);
        cmdKembali = new Command("Kembali", Command.BACK, 1);
        cmdKirim = new Command("Kirim", Command.SCREEN, 1);

        alert = new Alert(null);
        alert.setTimeout(3000);
    }

    public void startApp() {
        tfNum = generatePhoneInput();
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable s) {
        if (c == cmdKeluar) {
            destroyApp(false);
            notifyDestroyed();
        } else if (c == cmdKembali) {
            display.setCurrent(tfNum);
        } else if (c == cmdLanjut) {
            if (!isValidPhoneNumber(tfNum.getString())) {
                alert.setType(AlertType.ERROR);
                alert.setString(INVALID_PHONE);
                display.setCurrent(alert, tfNum);
            } else {
                tfText = generateMessageInput();
            }

        } else {
            thread = new Thread((java.lang.Runnable) this);
            thread.start();
        }
    }

    public void run() {
        MessageConnection conn = null;
        String alamat = "sms://" + tfNum.getString() + ":" + port;
        try {
            conn = (MessageConnection) Connector.open(alamat);
            TextMessage pesan = (TextMessage) conn.newMessage(MessageConnection.TEXT_MESSAGE);
            pesan.setAddress(alamat);
            pesan.setPayloadText(tfText.getString());
            conn.send(pesan);
            alert.setString("Sedang mengirim ke nomoe" + alamat.substring(6));
            alert.setType(AlertType.INFO);
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

    private TextBox generatePhoneInput() {
       
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    private boolean isValidPhoneNumber(String string) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    private TextBox generateMessageInput() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
}

Recieve Message

/*
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 * and open the template in the editor.
 */
package triana.novi.midlet;

import java.io.IOException;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import javax.wireless.messaging.Message;
import javax.wireless.messaging.MessageConnection;
import javax.wireless.messaging.MessageListener;
import javax.wireless.messaging.TextMessage;

public class RecieveMessage extends MIDlet
        implements CommandListener, Runnable, MessageListener {

    private Display display;
    private Alert alert;
    private TextBox tfPesan;
    private Thread thread;
    private MessageConnection conn;
    private Message pesan;
    private String[] daftarKoneksi;
    private boolean selesaiProses;
    private String port;
    private final Command cmdKeluar = new Command("Keluar", Command.EXIT, 1);

    public RecieveMessage() {
        port = getAppProperty("Port-SMS");
        display = Display.getDisplay(this);

        alert = new Alert("Terima SMS");
        alert.setTimeout(Alert.FOREVER);
        alert.addCommand(cmdKeluar);
        alert.setCommandListener(this);

        tfPesan = new TextBox(null, null, 500, TextField.ANY);
        tfPesan.addCommand(cmdKeluar);
        tfPesan.setCommandListener(this);
    }

    public void startApp() {
        String alamatKoneksi = "sms://:" + port;
        if (conn == null) {
            try {
                conn = (MessageConnection) Connector.open(alamatKoneksi);
                conn.setMessageListener(this);
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        daftarKoneksi = javax.microedition.io.PushRegistry.listConnections(true);
        if (daftarKoneksi == null || daftarKoneksi.length== 0) {
            alert.setString("Menunggu SMS pada port" + port + "...");
        }
        startNewThread();

        display.setCurrent(alert);
    }

    public void pauseApp() {
        selesaiProses = true;
        thread = null;

    }

    public void destroyApp(boolean unconditional) {
        selesaiProses = true;
    thread = null;
        if (conn != null) {
            try {
                conn.close();
            } catch (IOException e) {
            }
        }
    }

    public void commandAction(Command c, Displayable s) {
        if (c == cmdKeluar || c == Alert.DISMISS_COMMAND) {
            destroyApp(false);
            notifyDestroyed();
        }
    }
    // method ini ada karena kia mengimplementasikan
    // interface Runnable

    public void run() {
        try {
            pesan = conn.receive();
            if (pesan != null) {
                String alamatPengirim = pesan.getAddress();
                tfPesan.setTitle("Pesan dari:" + alamatPengirim.substring(6));
                if (pesan instanceof TextMessage) {
                    TextMessage pesanTeks = (TextMessage) pesan;
                    tfPesan.setString(pesanTeks.getPayloadText());
                }
                display.setCurrent(tfPesan);
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

    // method ini ada karena kita mengimplementasikan
    // interface MessageListener
    public void notifyIncomingMessage(MessageConnection conn) {
        if (thread == null) {
            startNewThread();

        }
    }

    public void startNewThread() {
        selesaiProses = false;
        thread = new Thread(this);
        thread.start();
    }
}

Tugas Sabtu, 4 April 2015 Java Mobile

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package triana.novi.midlet;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 * @author Novi Triana
 */
public class HMidlet extends MIDlet
        implements CommandListener {

    Display disp;
    private Command exitCommand  = new Command("Exit", Command.EXIT, 1);
    private Command page1  = new Command("Page 1", Command.SCREEN, 1);;
    private Command page2 = new Command("Page 2", Command.SCREEN, 1);
    private Command page3 = new Command("Page 3", Command.SCREEN, 1);
    private Command home = new Command("Home", Command.SCREEN, 1);

    public void startApp() {

        Form formHome = new Form("Home");
        formHome.append("Welcome to State Polytechnic of Medan Official Page");
        formHome.addCommand(exitCommand);
        formHome.addCommand(page1);
        formHome.addCommand(page2);
        formHome.addCommand(page3);
        formHome.setCommandListener(this);
        Display.getDisplay(this).setCurrent(formHome);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        if (c == exitCommand) {
            destroyApp(true);
            notifyDestroyed();

        } else if (c == page1) {
            Form formPage1 = new Form("Page 1");
            formPage1.append("This is page 1");
            formPage1.addCommand(home);
            formPage1.addCommand(page2);
            formPage1.addCommand(page3);
            formPage1.addCommand(exitCommand);
            formPage1.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage1);
        } else if (c == page2) {
            Form formPage2 = new Form("Page 2");
            formPage2.append("This is page 2");
            formPage2.addCommand(home);
            formPage2.addCommand(page1);
            formPage2.addCommand(page3);
            formPage2.addCommand(exitCommand);
            formPage2.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage2);
        } else if (c == page3) {
            Form formPage3 = new Form("Page 3");
            formPage3.append("This is page 3");
            formPage3.addCommand(home);
            formPage3.addCommand(page1);
            formPage3.addCommand(page2);
            formPage3.addCommand(exitCommand);
            formPage3.setCommandListener(this);
            Display.getDisplay(this).setCurrent(formPage3);
        } else if (c == home) {
              startApp();
        }

    }
}