java mobile "atur layout gambar"

ini adalah postingan baru saya yang membahas tentang java mobile.

jika anda ingin membuat aplikasi java untuk mobile kalian boleh copy paste scipt di bawah ini

/******************************************************
Program 8.7. Mengatur posisi gambar yang ditampilkan
*******************************************************/

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

public class AturLayoutGambar extends MIDlet
implements CommandListener {

private Display display;
private List list;
private PosisiGambar form;

private String title = null;

private final Command cmdKeluar =
new Command(“Keluar”, Command.EXIT, 1);

private final Command cmdOK =
new Command(“OK”, Command.OK, 1);

public AturLayoutGambar() {
display = Display.getDisplay(this);

list = new List(“Posisi Gambar”, Choice.EXCLUSIVE);
list.append(“Kiri”, null);
list.append(“Tengah”, null);
list.append(“Kanan”, null);

list.addCommand(cmdKeluar);
list.addCommand(cmdOK);
list.setCommandListener(this);
}

public void startApp() {
display.setCurrent(list);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c, Displayable s) {
if (c == cmdKeluar) {
destroyApp(false);
notifyDestroyed();
} else if (c == cmdOK) {
form = null;
switch (list.getSelectedIndex()) {
case 0: {
form = new PosisiGambar(this, display,”LAYOUT_LEFT”,
ImageItem.LAYOUT_LEFT);
break;
}
case 1: {
form = new PosisiGambar(this, display,”LAYOUT_CENTER”,
ImageItem.LAYOUT_CENTER);
break;
}
case 2: {
form = new PosisiGambar(this, display,”LAYOUT_RIGHT”,
ImageItem.LAYOUT_RIGHT);
break;
}
}
display.setCurrent(form);
}
}

class PosisiGambar extends Form
implements CommandListener {
private AturLayoutGambar midlet;
private Display display;
private Image image;

private final Command cmdKembali =
new Command(“Kembali”, Command.BACK, 1);

public PosisiGambar(StudiKasus midlet, Display display,
String title, int posisi) {
super(title);
this.midlet = midlet;
this.display = display;
image = null;
try {
image = Image.createImage(“Java.png”);
} catch (IOException ioe) {
ioe.printStackTrace();
}
ImageItem ii = new ImageItem(null, image, posisi, null);
append(ii);
addCommand(cmdKembali);
setCommandListener(this);
display.setCurrent(this);
}

public void commandAction(Command c, Displayable s) {
if (c == cmdKembali) {
display.setCurrent(midlet.list);
}
}
}
}