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Old 09-08-2010, 07:42 AM   #1 (permalink)
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Default Why am I getting IndexOutOfBounds exceptions here?

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I've done practically nothing on the application and I get this error. Why?

Thanks for the help!

Code:
import javax.microedition.lcdui.Display;

import net.rim.device.api.system.Bitmap;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Ui;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.BasicEditField;
import net.rim.device.api.ui.component.BitmapField;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.RichTextField;
import net.rim.device.api.ui.component.SeparatorField;
import net.rim.device.api.ui.container.HorizontalFieldManager;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;
import net.rim.device.api.ui.decor.Background;
import net.rim.device.api.ui.decor.BackgroundFactory;

public class ExpenseManager extends UiApplication {
	public static void main(String[] args) {
		ExpenseManager theApp = new ExpenseManager();
		theApp.enterEventDispatcher();
	}

	public ExpenseManager() {
		pushScreen(new GeneralExpenseViewScreen());
	}
}

final class GeneralExpenseViewScreen extends MainScreen {
	public GeneralExpenseViewScreen() {
		super();
		LabelField title = new LabelField("TeamMate TEC | Expenses",
				LabelField.ELLIPSIS | LabelField.USE_ALL_WIDTH);
		setTitle(title);
		
		Background bg = BackgroundFactory.createSolidBackground(0xBDBDDB);
		setBackground(bg);
		
		HorizontalFieldManager headerAreaManager = new HorizontalFieldManager();
		HorizontalFieldManager filterAreaManager = new HorizontalFieldManager() {
			protected void sublayout(int width, int height) {
				setExtent(360, 95);
			}
		};
		HorizontalFieldManager expenseListAreaManager = new HorizontalFieldManager() {
			protected void sublayout(int width, int height) {
				setExtent(360, 200);
			}
		};		
		HorizontalFieldManager totalAreaManager = new HorizontalFieldManager() {
			protected void sublayout(int width, int height) {
				setExtent(360, 45);
			}
		};
		HorizontalFieldManager addNewAreaManager = new HorizontalFieldManager() {
			protected void sublayout(int width, int height) {
				setExtent(360, 103);
			}
		};
		
		filterAreaManager.setBackground(bg);
		expenseListAreaManager.setBackground(bg);
		totalAreaManager.setBackground(bg);
		addNewAreaManager.setBackground(bg);
		
		add(headerAreaManager);
		add(filterAreaManager);
		add(expenseListAreaManager);
		add(totalAreaManager);
		add(addNewAreaManager);
		
		/**Begin form layouts**/
		
		Bitmap headerImage = Bitmap.getBitmapResource("sergioheader.png");
		BitmapField header = new BitmapField(headerImage);
		headerAreaManager.add(header);
		
	}

	public boolean onClose() {
		Dialog.alert("AH!");
		System.exit(0);
		return true;
	}
}

Edit: Just tried out creating a VerticalFieldManager using the same code as above and I do not get the errors...Why is this? Thanks.

Last edited by SergioTapia : 09-08-2010 at 08:02 AM.
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