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import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.ImageItem;
import javax.microedition.midlet.MIDlet;
public class J2MEImmutableImage extends MIDlet implements CommandListener {
private Display display;
private Form form;
private Command exit;
private Image image;
private ImageItem imageItem;
public J2MEImmutableImage() {
display = Display.getDisplay(this);
exit = new Command("Exit", Command.EXIT, 1);
form = new Form("Immutable Image Example");
form.addCommand(exit);
form.setCommandListener(this);
try {
image = Image.createImage("myimage.png");
imageItem = new ImageItem(null, image, ImageItem.LAYOUT_NEWLINE_BEFORE
| ImageItem.LAYOUT_LEFT | ImageItem.LAYOUT_NEWLINE_AFTER, "My Image");
form.append(imageItem);
} catch (java.io.IOException error) {
Alert alert = new Alert("Error", "Cannot load myimage.png.", null, null);
alert.setTimeout(Alert.FOREVER);
alert.setType(AlertType.ERROR);
display.setCurrent(alert);
}
}
public void startApp() {
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command command, Displayable Displayable) {
if (command == exit) {
destroyApp(false);
notifyDestroyed();
}
}
}
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