أرجو المساعدة .. لدي مشكلة في التحزيم و في الكود

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أنا أكتب أول برنامج لي للموبايل

أستخدم netbeans

كود البرنامج

/*
 * HelloMidlet.java
 *
 * Created on 23 آب, 2006, 12:06 م
 */

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

/**
 *
 * @author user
 */
public class HelloMidlet extends MIDlet implements CommandListener, ItemCommandListener {

	/** Creates a new instance of HelloMidlet */
	public HelloMidlet() {
	}

	private Form helloForm;					 
	private StringItem helloStringItem;
	private Command exitCommand;
	private Form frmmain;
	private Command screenCommand1;
	private Command screenCommand2;
	private Command exitCommand1;
	private Image image1;
	private ImageItem imageItem1;
	private TextField txtf1;
	private Command okCommand1;
	private Alert alert1;
	private Alert alert2;
	private Command backCommand1;
	private Command backCommand2;
	private Command backCommand3;
	private Command backCommand4;				   



	/** Called by the system to indicate that a command has been invoked on a particular item.					   
	 * @param command the Command that ws invoked
	 * @param item the Item on which the command was invoked
	 */
	public void commandAction(Command command, Item item) {					 
	// Insert global pre-action code here
		if (item == txtf1) {					  
			if (command == okCommand1) {					
			   if (txtf1.getString()=="kkk"){
			   getDisplay().setCurrent(get_alert1());};
				// Do nothing						 
				// Insert post-action code here
			}						
		}					  
	// Insert global post-action code here
	}					

	/** This method initializes UI of the application.						
	 */
	private void initialize() {					  
		// Insert pre-init code here
		getDisplay().setCurrent(get_helloForm());					  
		// Insert post-init code here
	}					 

	/** Called by the system to indicate that a command has been invoked on a particular displayable.					  
	 * @param command the Command that ws invoked
	 * @param displayable the Displayable on which the command was invoked
	 */
	public void commandAction(Command command, Displayable displayable) {					
		// Insert global pre-action code here
		if (displayable == helloForm) {					 
			if (command == exitCommand) {				   
				// Insert pre-action code here
				exitMIDlet();					   
				// Insert post-action code here
			} else if (command == screenCommand2) {					 
				// Insert pre-action code here
				getDisplay().setCurrent(get_frmmain());						
				// Insert post-action code here
			}					   
		} else if (displayable == frmmain) {
			if (command == exitCommand1) {					 
				// Insert pre-action code here
				exitMIDlet();						
				// Insert post-action code here
			}					   
		} else if (displayable == alert2) {
			if (command == backCommand4) {					 
				// Insert pre-action code here
				getDisplay().setCurrent(get_frmmain());						
				// Insert post-action code here
			}					   
		} else if (displayable == alert1) {
			if (command == backCommand2) {					 
				// Insert pre-action code here
				getDisplay().setCurrent(get_helloForm());						
				// Insert post-action code here
			}					   
		}					 
		// Insert global post-action code here
}				   

	/**
	 * This method should return an instance of the display.
	 */
	public Display getDisplay() {						 
		return Display.getDisplay(this);
	}						

	/**
	 * This method should exit the midlet.
	 */
	public void exitMIDlet() {						 
		getDisplay().setCurrent(null);
		destroyApp(true);
		notifyDestroyed();
	}						

	/** This method returns instance for helloForm component and should be called instead of accessing helloForm field directly.						
	 * @return Instance for helloForm component
	 */
	public Form get_helloForm() {
		if (helloForm == null) {					  
			// Insert pre-init code here
			helloForm = new Form(null, new Item[] {get_helloStringItem()});					   
			helloForm.addCommand(get_exitCommand());
			helloForm.addCommand(get_screenCommand2());
			helloForm.setCommandListener(this);					 
			// Insert post-init code here
		}					  
		return helloForm;
	}					

	/** This method returns instance for helloStringItem component and should be called instead of accessing helloStringItem field directly.						
	 * @return Instance for helloStringItem component
	 */
	public StringItem get_helloStringItem() {
		if (helloStringItem == null) {					  
			// Insert pre-init code here
			helloStringItem = new StringItem("Hello", "Hello, World!");					  
			// Insert post-init code here
		}					  
		return helloStringItem;
	}					

	/** This method returns instance for exitCommand component and should be called instead of accessing exitCommand field directly.						
	 * @return Instance for exitCommand component
	 */
	public Command get_exitCommand() {
		if (exitCommand == null) {					  
			// Insert pre-init code here
			exitCommand = new Command("Exit", Command.EXIT, 1);					  
			// Insert post-init code here
		}					  
		return exitCommand;
	}					

	/** This method returns instance for frmmain component and should be called instead of accessing frmmain field directly.						
	 * @return Instance for frmmain component
	 */
	public Form get_frmmain() {
		if (frmmain == null) {					  
			// Insert pre-init code here
			frmmain = new Form(null, new Item[] {					   
				get_imageItem1(),
				get_txtf1()
			});
			frmmain.addCommand(get_exitCommand1());
			frmmain.setCommandListener(this);					 
			// Insert post-init code here
		}					  
		return frmmain;
	}					

	/** This method returns instance for screenCommand1 component and should be called instead of accessing screenCommand1 field directly.						
	 * @return Instance for screenCommand1 component
	 */
	public Command get_screenCommand1() {
		if (screenCommand1 == null) {					  
			// Insert pre-init code here
			screenCommand1 = new Command("Screen", Command.SCREEN, 1);					  
			// Insert post-init code here
		}					  
		return screenCommand1;
	}					

	/** This method returns instance for screenCommand2 component and should be called instead of accessing screenCommand2 field directly.						 
	 * @return Instance for screenCommand2 component
	 */
	public Command get_screenCommand2() {
		if (screenCommand2 == null) {					   
			// Insert pre-init code here
			screenCommand2 = new Command("Screen", Command.SCREEN, 1);					   
			// Insert post-init code here
		}					   
		return screenCommand2;
	}					 

	/** This method returns instance for exitCommand1 component and should be called instead of accessing exitCommand1 field directly.						 
	 * @return Instance for exitCommand1 component
	 */
	public Command get_exitCommand1() {
		if (exitCommand1 == null) {					   
			// Insert pre-init code here
			exitCommand1 = new Command("Exit", Command.EXIT, 1);					   
			// Insert post-init code here
		}					   
		return exitCommand1;
	}					 

	/** This method returns instance for image1 component and should be called instead of accessing image1 field directly.						 
	 * @return Instance for image1 component
	 */
	public Image get_image1() {
		if (image1 == null) {					   
			// Insert pre-init code here
			try {						
				image1 = Image.createImage("/Captcha.jpg");
			} catch (java.io.IOException exception) {
			}					  
			// Insert post-init code here
		}					   
		return image1;
	}					 

	/** This method returns instance for imageItem1 component and should be called instead of accessing imageItem1 field directly.						 
	 * @return Instance for imageItem1 component
	 */
	public ImageItem get_imageItem1() {
		if (imageItem1 == null) {					   
			// Insert pre-init code here
			imageItem1 = new ImageItem("\u0645\u0631\u062D\u0628\u0627", get_image1(), Item.LAYOUT_DEFAULT, null, javax.microedition.lcdui.Item.BUTTON);					   
			// Insert post-init code here
		}					   
		return imageItem1;
	}					 

	/** This method returns instance for txtf1 component and should be called instead of accessing txtf1 field directly.						 
	 * @return Instance for txtf1 component
	 */
	public TextField get_txtf1() {
		if (txtf1 == null) {					   
			// Insert pre-init code here
			txtf1 = new TextField("\u0627\u0643\u062A\u0628 \u0645\u0627 \u0641\u064A \u0627\u0644\u0635\u0648\u0631\u0629", "", 120, TextField.ANY);						
			txtf1.addCommand(get_okCommand1());
			txtf1.setItemCommandListener(this);					  
			// Insert post-init code here
		}					   
		return txtf1;
	}					 

	/** This method returns instance for okCommand1 component and should be called instead of accessing okCommand1 field directly.						 
	 * @return Instance for okCommand1 component
	 */
	public Command get_okCommand1() {
		if (okCommand1 == null) {					   
			// Insert pre-init code here
			okCommand1 = new Command("Ok", Command.OK, 1);					   
			// Insert post-init code here
		}					   
		return okCommand1;
	}					 

	/** This method returns instance for alert1 component and should be called instead of accessing alert1 field directly.						 
	 * @return Instance for alert1 component
	 */
	public Alert get_alert1() {
		if (alert1 == null) {					   
			// Insert pre-init code here
			alert1 = new Alert(null, "\u0623\u062D\u0633\u0646\u062A\n\u0627\u0644\u0646\u062A\u064A\u062C\u0629 \u0635\u062D\u064A\u062D\u0629", null, AlertType.INFO);						
			alert1.addCommand(get_backCommand2());
			alert1.setCommandListener(this);
			alert1.setTimeout(-2);					  
			// Insert post-init code here
		}					   
		return alert1;
	}					 

	/** This method returns instance for alert2 component and should be called instead of accessing alert2 field directly.						 
	 * @return Instance for alert2 component
	 */
	public Alert get_alert2() {
		if (alert2 == null) {					   
			// Insert pre-init code here
			alert2 = new Alert(null, "\u0627\u0644\u0646\u062A\u064A\u062C\u0629 \u062E\u0627\u0637\u0626\u0629\n\u0623\u0639\u062F \u0627\u0644\u0645\u062D\u0627\u0648\u0644\u0629", null, AlertType.INFO);						
			alert2.addCommand(get_backCommand4());
			alert2.setCommandListener(this);
			alert2.setTimeout(-2);					  
			// Insert post-init code here
		}					   
		return alert2;
	}					 

	/** This method returns instance for backCommand1 component and should be called instead of accessing backCommand1 field directly.						 
	 * @return Instance for backCommand1 component
	 */
	public Command get_backCommand1() {
		if (backCommand1 == null) {					   
			// Insert pre-init code here
			backCommand1 = new Command("Back", Command.BACK, 1);					   
			// Insert post-init code here
		}					   
		return backCommand1;
	}					 

	/** This method returns instance for backCommand2 component and should be called instead of accessing backCommand2 field directly.						 
	 * @return Instance for backCommand2 component
	 */
	public Command get_backCommand2() {
		if (backCommand2 == null) {					   
			// Insert pre-init code here
			backCommand2 = new Command("Back", Command.BACK, 1);					   
			// Insert post-init code here
		}					   
		return backCommand2;
	}					 

	/** This method returns instance for backCommand3 component and should be called instead of accessing backCommand3 field directly.						 
	 * @return Instance for backCommand3 component
	 */
	public Command get_backCommand3() {
		if (backCommand3 == null) {					   
			// Insert pre-init code here
			backCommand3 = new Command("Back", Command.BACK, 1);					   
			// Insert post-init code here
		}					   
		return backCommand3;
	}					 

	/** This method returns instance for backCommand4 component and should be called instead of accessing backCommand4 field directly.						 
	 * @return Instance for backCommand4 component
	 */
	public Command get_backCommand4() {
		if (backCommand4 == null) {					   
			// Insert pre-init code here
			backCommand4 = new Command("Back", Command.BACK, 1);					   
			// Insert post-init code here
		}					   
		return backCommand4;
	}					 

	public void startApp() {
		initialize();
	}

	public void pauseApp() {
	}

	public void destroyApp(boolean unconditional) {
	}

}

المشكلة الأولى أني و ضعت شرط

if (txtf1.getString()=="kkk")

txtf1.getString

لاتعطي ما أكتبه عند تنفيذه

المشكلة الثانية أن البرنامج يعمل على المحاكي و لكن لايعمل على الخليوي بعدالتحزيم jar

و التنزيل على الخليوي

يعطي الرسالة التالية

هنالك خطأفي التحويل

اعذروني ان أثقلت عليكم

و السلام عليكم