Membuat Program Sederhana J2ME dengan Java
1. Buka aplikasi netbeans IDE
2. Buat project baru dari File - New Project
3. Lalu pilih JavaME pilih project Mobile application - Klik Next
4. Project Name tulis Nama : DataPribadi
5. Tekan Finish
Pada class Data Pribadi hapus semua isinya lalu kopikan source berikut :
2. Buat project baru dari File - New Project
3. Lalu pilih JavaME pilih project Mobile application - Klik Next
4. Project Name tulis Nama : DataPribadi
5. Tekan Finish
Pada class Data Pribadi hapus semua isinya lalu kopikan source berikut :
/*
* To change this template, choose Tools |
Templates
* and open the template in the editor.
*/
package DataPribadi;
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
/**
* @author Fransiscus Yasman Gea, Email nias_man@yahoo.com , twitter @excelgea
*/
public class Midlet extends MIDlet implements
CommandListener {
//inisialisasi properti
private Display display;
private Form fmDataPribadi;
private Form fmHasil;
private Command cmOk;
private Command cmExit;
private Command cmBack;
private TextField tfNama;
private TextField tfNIM;
private TextField tfAlamat;
private ChoiceGroup cgProdi;
private int choiceGroupIndex;
private StringItem siNama, siNIM, siAlamat,
siProdi;
private boolean midletPaused = false;
//
//
//
/**
* The tugas constructor.
*/
public Midlet() {
}
//
//
//
//
/**
* Initilizes the application.
* It is called only once when the MIDlet is started. The method is called before the startMIDlet method.
*/
private void initialize() {
// write pre-initialize user code here
// write post-initialize user code here
}
//
/**
* Initilizes the application.
* It is called only once when the MIDlet is started. The method is called before the startMIDlet method.
*/
private void initialize() {
// write pre-initialize user code here
// write post-initialize user code here
}
//
//
/**
* Performs an action assigned to the Mobile Device - MIDlet Started point.
*/
public void startMIDlet() {
// write pre-action user code here
// write post-action user code here
}
//
/**
* Performs an action assigned to the Mobile Device - MIDlet Started point.
*/
public void startMIDlet() {
// write pre-action user code here
// write post-action user code here
}
//
//
/**
* Performs an action assigned to the Mobile Device - MIDlet Resumed point.
*/
public void resumeMIDlet() {
// write pre-action user code here
// write post-action user code here
}
//
/**
* Performs an action assigned to the Mobile Device - MIDlet Resumed point.
*/
public void resumeMIDlet() {
// write pre-action user code here
// write post-action user code here
}
//
//
/**
* Switches a current displayable in a display. The display instance is taken from getDisplay method. This method is used by all actions in the design for switching displayable.
* @param alert the Alert which is temporarily set to the display; ifnull, then nextDisplayable is set immediately
* @param nextDisplayable the Displayable to be set
*/
public void switchDisplayable(Alert alert, Displayable nextDisplayable) {
// write pre-switch user code here
Display display = getDisplay();
if (alert == null) {
display.setCurrent(nextDisplayable);
} else {
display.setCurrent(alert, nextDisplayable);
}
// write post-switch user code here
}
//
/**
* Switches a current displayable in a display. The display instance is taken from getDisplay method. This method is used by all actions in the design for switching displayable.
* @param alert the Alert which is temporarily set to the display; ifnull, then nextDisplayable is set immediately
* @param nextDisplayable the Displayable to be set
*/
public void switchDisplayable(Alert alert, Displayable nextDisplayable) {
// write pre-switch user code here
Display display = getDisplay();
if (alert == null) {
display.setCurrent(nextDisplayable);
} else {
display.setCurrent(alert, nextDisplayable);
}
// write post-switch user code here
}
//
/**
* Returns a display instance.
* @return the display instance.
*/
public Display getDisplay () {
return Display.getDisplay(this);
}
//memanggil manager aplikasi untuk memulai
MIDlet
public void startApp(){
display = Display.getDisplay(this);
//membuat tombol
cmExit = new Command("Exit",
Command.EXIT, 0);
cmOk = new Command("Ok",
Command.SCREEN, 0);
cmBack = new Command("Back", Command.BACK,
0);
//textfield untuk data pribadi
tfNama = new TextField("Nama: ",
"", 30, TextField.ANY);
tfNIM = new TextField("NIM :",
"", 30, TextField.ANY);
tfAlamat = new TextField ("Alamat
:", "", 30, TextField.ANY);
//pemilihan Prodi
cgProdi = new ChoiceGroup("Prodi",
Choice.EXCLUSIVE);
//meng-append pilihan atau choice
cgProdi.append("Teknik Komputer",
null);
cgProdi.append("Manajement
Informatika", null);
//membuat form dan memasukkan komponen
fmDataPribadi = new Form("Data
Pribadi");
fmDataPribadi.addCommand(cmExit);
fmDataPribadi.addCommand(cmOk);
fmDataPribadi.append(tfNama);
fmDataPribadi.append(tfNIM);
fmDataPribadi.append(tfAlamat);
choiceGroupIndex =
fmDataPribadi.append(cgProdi);
fmDataPribadi.setCommandListener(this);
//membuat form hasil input user
fmHasil = new Form("Profile Anda");
//membuat string item untuk menampilkan text
dan pilihan yang diisi
siNama = new StringItem("Nama: ",
null);
siNIM = new StringItem ("NIM : ",
null);
siAlamat = new StringItem ("Alamat :
", null);
siProdi = new StringItem("Prodi: ",
null);
//menampilkan StringItem yang nanti akan diisi
oleh data hasil input user
fmHasil.append(siNama);
fmHasil.append(siNIM);
fmHasil.append(siAlamat);
fmHasil.append(siProdi);
//menambahkan command
fmHasil.addCommand(cmBack);
fmHasil.setCommandListener(this);
//menampilkan form DataPribadi sebagai
tampilan awal
display.setCurrent(fmDataPribadi);
}
public void pauseApp(){
}
public void destroyApp(boolean unconditional){
}
public void commandAction(Command c,
Displayable d){
//variable string untuk menampung inputan user
String nama,nim,alamat,tmptlhr,tgllhr,prodi =
null;
//jika tombol/command OK ditekan
if(c == cmOk){
//mendapatkan inputan user
nama = tfNama.getString();
nim = tfNIM.getString();
alamat = tfAlamat.getString();
prodi =
cgProdi.getString(cgProdi.getSelectedIndex());
//memasukkan hasil input ke StringItem
siNama.setText(nama);
siNIM.setText(nim);
siAlamat.setText(alamat);
siProdi.setText(prodi);
//menampilkan form hasil setelah cmOk ditekan
display.setCurrent(fmHasil);
} else if(c == cmExit){ //jika tombol/command
Exit ditekan
destroyApp(true);
notifyDestroyed();
} else if(c == cmBack){ //jika tombol/command
Back ditekan
//menampilkan kembali form DataPribadi sebagai
tampilan default/awal
display.setCurrent(fmDataPribadi);
}
}
}
Semoga Bermanfaat
