[Java] mit Java für IPod touch programmieren?

import static joc.Static.NO;

import java.text.DecimalFormat;

import joc.Message;
import obc.CGRect;
import obc.CGSize;
import obc.NSString;
import obc.UIAcceleration;
import obc.UIAccelerometer;
import obc.UIApplication;
import obc.UIColor;
import obc.UIHardware;
import obc.UINavigationBar;
import obc.UINavigationItem;
import obc.UITextView;
import obc.UIView;
import obc.UIWindow;


public class HelloWorld extends UIApplication
{
 
 UIAccelerometer accelerometer;
 UITextView textview;
 NSString status = new NSString();
 private final static int kUpdateFrequency = 10;
 @Message
 public void applicationDidFinishLaunching$(Object unused) {
 // Oberflächengröße laden
 CGRect oScreenRect = UIHardware.$fullScreenApplicationContentRect();
 
 // X und Y Zurücksetzen
 oScreenRect.origin.x = oScreenRect.origin.y = 0;
 // Größe Laden
 CGSize oScreenSize = oScreenRect.size;
 // std-Größe des Navigationsbalken holen
 CGSize oNavBarSize = UINavigationBar.$defaultSize();
 float fNavBarHeight = oNavBarSize.height;
 
 // Bereich des Navigationsbalken definieren
 CGRect oNavBarRect = new CGRect(0, 0, oScreenSize.width, fNavBarHeight);
 // Bereich des Clientbereichs definieren
 CGRect oClientRect = new CGRect(0, fNavBarHeight,
 oScreenSize.width, oScreenSize.height-fNavBarHeight);

 // Fenster erzeugen und View hineinlegen
 UIWindow oWindow = new UIWindow().initWithContentRect$(oScreenRect);
 oWindow.setBackgroundColor$(UIColor.$whiteColor());
 UIView oView = new UIView().initWithFrame$(oScreenRect);
 oWindow.setContentView$(oView);

 // Navigationbar anlegen
 UINavigationBar oNavigationBar = new UINavigationBar()
 .initWithFrame$(oNavBarRect);
 UIAccelerometer test = null;
 
 // Titel hinzufügen
 UINavigationItem oTitleItem = new UINavigationItem()
 .initWithTitle$("Hallo Welt");
 oNavigationBar.pushNavigationItem$(oTitleItem);
 
 // Navigationbar als Subview Hinzufügen
 oView.addSubview$(oNavigationBar);
 
// txtField = new UITextField().initWithFrame$(new CGRect(20,10,100,100));
// txtField.addTarget$action$forEvents$(this, new Selector("onClick"), 255);
// hallo = new UILabel().initWithFrame$(new CGRect(20,20,100,100));
// hallo.setText$("HalloWelt !");
// 
// oView.addSubview$(hallo);
// 
// UIButton test = new UIButton().initWithFrame$(new CGRect(20,40,100,100));
// test.setTitleColor$forState$(UIColor.$blackColor(), 0);
// test.setTitle$forState$("Alert Show !", 0);
// test.addTarget$action$forControlEvents$(this, new Selector("onClick1:"),0);
// oView.addSubview$(test);
 accelerometer = (UIAccelerometer)UIAccelerometer.$sharedAccelerometer();
 accelerometer.setUpdateInterval$(20.0 / kUpdateFrequency);
 accelerometer.setDelegate$(this);
 
 textview = new UITextView().initWithFrame$(new CGRect(100,100,100,100));
 textview.setEditable$(NO);
 
 oView.addSubview$(textview);
 // Fenster anzeigen
 oWindow.orderFront$(this);
 oWindow.makeKey$(this);
 oWindow._setHidden$(NO);
 }
 
 @Message public void acceleratedInX$Y$Z$(double arg0, double arg1, double arg2) {
 textview.setText$(status.$stringWithFormat$("X: "+arg0 + " Y: "+arg1 + " Z: "+arg2));
 }
 
 @Message public void accelerometer$didAccelerate$(UIAcceleration acceleration) { 
 this.acceleratedInX$Y$Z$(acceleration.x(), acceleration.y(), acceleration.z());
 }
 
 
 
 
 

 
 
 
 
}