VBox Scrollbar problem

Hello

I thought I got my problem fixed from a previous post, but when I started to add other items, I came across a problem. What I'm trying to accomplish is an accordion that dynamically generates child VBox components. My problem was that I needed a scroll bar to appear next to the accordion, but now my problem is that I need the scroll bar to apply specifically to the accordion. I have a button below the accordion that I will not be performed by the scroll bar. See the code below:

That's what publishes the code above:

screen1.jpg

As you can see in this picture the button appears at the bottom of the scroll bar. The following image shows the features that you want that I'm aiming for:

screen2.jpg

On this picture you can see I want the scroll bar to apply only for the accordion and not for the button. I tried messing around with the property verticalScrollPolicy on the VBox containing the accordion, but I can't seem to get this to work.

Any help would be greatly appreciated.

Thank you

Brian

Ah, Yes, that's a good point.  MinHeight = 0 is probably too small.

Try a simple case with just one or two Vboxes and accordion and the

button and less other than 100% percent.

You might be better off wrapping the accordion in its own container

In theory what container never has minHeight = 0 will push the scroll bars.

Tags: Flex

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import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.BasicEditField;
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.Menu;
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.Border;
import net.rim.device.api.ui.decor.BorderFactory;

public class Screen1 extends MainScreen implements FieldChangeListener
{

    //DECLARE MENU BUTTONS
    protected void makeMenu(Menu menu, int instance)
    {

        menu.add(_close);
    }
    private MenuItem _close = new MenuItem("Close", 110, 10)
    {
        public void run()
        {
            onClose();
        }
    };
    public boolean onClose()
    {
        Dialog.alert("Goodbye!");
        System.exit(0);
        return true;
    }

    //SCREEN 1 METHOD
    Screen1()
    {

        HorizontalFieldManager _fieldManagerTop = new HorizontalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);
        VerticalFieldManager _fieldManagerMiddle = new VerticalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);
        HorizontalFieldManager _fieldManagerBottom = new HorizontalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);
        HorizontalFieldManager _fieldManagerButton = new HorizontalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);

        //SET TITLE: FINANCIAL APPLICATION
        LabelField title = new LabelField ("Financial Application", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        Font titleFont = this.getFont().derive(Font.BOLD | Font.ITALIC);
        title.setFont(titleFont);
        setTitle(title);

        //SET PAGE & INFO TEXT
        LabelField _page = new LabelField("Homepage ~ Initial Investment", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        LabelField _info = new LabelField("\nThis application acts as a an investment or growth calculator.  The user inputs the amount of money he or she would like to invest originally, input the interest, the compound period, the regular monthly deposit into the investment, and the time her or she will have the investment and this application will calculate how much the investment will be worth.\n\n Please enter initial amount of money you are depositing into the investment.\n$XX.xx", LabelField.USE_ALL_WIDTH);

        //INPUT FIELDS TESTING!!!!

        //INPUT FIELD W/ BORDER
        BasicEditField _input = new BasicEditField();

        XYEdges padding = new XYEdges(10, 10, 10, 10);
        int color = Color.DARKGREEN;
        int lineStyle = Border.STYLE_SOLID;
        Border inputBorder = BorderFactory.createRoundedBorder(padding, color, lineStyle);
        _input.setBorder(inputBorder);

        //ADD FIELDS AND SEPARATORS
        add(_fieldManagerTop);
        add(new SeparatorField());
        add(_fieldManagerMiddle);
        add(new SeparatorField());
        add(_fieldManagerBottom);
        add(new SeparatorField());
        add(_fieldManagerButton);

        //ADD PAGE, INFO, INPUT
        _fieldManagerTop.add(_page);
        _fieldManagerMiddle.add(_info);
        _fieldManagerBottom.add(_input);

        //CREATE BUTTON TO NEXT PAGE
        ButtonField pressButton = new ButtonField("NEXT");
        pressButton.setChangeListener(this);
        _fieldManagerButton.add(pressButton);

    }

    //BUTTON FIELD CHANGE: ACTIONS
    public void fieldChanged(Field field, int context)
    {
        // PROBLEM IS HERE, I WANT WHATEVER IS TYPED INTO _input TO BE SET AS THE VARIABLE initialInvestmentFinanceApplication.initialInvestment=_input;

        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen2());

    }

}

    //SCREEN 2 INPUTS *INTEREST*

package com.rim.samples.Finance;

import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.BasicEditField;
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.Menu;
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.Border;
import net.rim.device.api.ui.decor.BorderFactory;

public class Screen2 extends MainScreen implements FieldChangeListener
{
    //DECLARE MENU BUTTONS
    protected void makeMenu(Menu menu, int instance)
    {
        menu.add(_home);
        menu.add(_close);
    }

    private MenuItem _home = new MenuItem("Home Page", 110, 10)
    {
            public void run()
            {
                onHome();
            }
    };

    public boolean onHome()
    {
        Dialog.alert("Homepage Selected");
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen1());
        return true;
    }

    private MenuItem _close = new MenuItem("Close", 110, 10)
    {
        public void run()
        {
            onClose();
        }
    };

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

    //SCREEN 2 METHOD
    Screen2()
    {
        HorizontalFieldManager _fieldManagerTop = new HorizontalFieldManager();
        VerticalFieldManager _fieldManagerMiddle = new VerticalFieldManager();
        HorizontalFieldManager _fieldManagerBottom = new HorizontalFieldManager();
        HorizontalFieldManager _fieldManagerButton = new HorizontalFieldManager();

        //SET TITLE: FINANCIAL APPLICATION
        LabelField title = new LabelField ("Financial Application", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        Font titleFont = this.getFont().derive(Font.BOLD | Font.ITALIC);
        title.setFont(titleFont);
        setTitle(title);

        //SET PAGE & INFO TEXT
        LabelField _page = new LabelField("Page Two ~ Interest", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        LabelField _info = new LabelField("\nNow please enter the interest that will be put on this investment", LabelField.USE_ALL_WIDTH);

        //INPUT FIELD W/ BORDER
        BasicEditField _input = new BasicEditField();
        XYEdges padding = new XYEdges(10, 10, 10, 10);
        int color = Color.DARKGREEN;
        int lineStyle = Border.STYLE_SOLID;
        Border inputBorder = BorderFactory.createRoundedBorder(padding, color, lineStyle);
        _input.setBorder(inputBorder);

        //ADD FIELDS AND SEPARATORS
        add(_fieldManagerTop);
        add(new SeparatorField());
        add(_fieldManagerMiddle);
        add(new SeparatorField());
        add(_fieldManagerBottom);
        add(new SeparatorField());
        add(_fieldManagerButton);

        //ADD PAGE, INFO, INPUT
        _fieldManagerTop.add(_page);
        _fieldManagerMiddle.add(_info);
        _fieldManagerBottom.add(_input);

        //CREATE BUTTON TO NEXT PAGE
        ButtonField pressButton = new ButtonField("NEXT");
        pressButton.setChangeListener(this);
        _fieldManagerButton.add(pressButton);

    }

    //BUTTON FIELD CHANGE: ACTIONS
    public void fieldChanged(Field field, int context)
    {
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen3());
    }
}

    //SCREEN 3 INPUTS *COMPOUND PERIOD*

package com.rim.samples.Finance;

import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.BasicEditField;
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.Menu;
import net.rim.device.api.ui.component.ObjectChoiceField;
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.Border;
import net.rim.device.api.ui.decor.BorderFactory;

public class Screen3 extends MainScreen implements FieldChangeListener
{
    //DECLARE MENU BUTTONS
    protected void makeMenu(Menu menu, int instance)
    {
        menu.add(_home);
        menu.add(_close);
    }

    private MenuItem _home = new MenuItem("Home Page", 110, 10)
    {
            public void run()
            {
                onHome();
            }
    };

    public boolean onHome()
    {
        Dialog.alert("Homepage Selected");
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen1());
        return true;
    }

    private MenuItem _close = new MenuItem("Close", 110, 10)
    {
        public void run()
        {
            onClose();
        }
    };

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

    //SCREEN 3 METHOD
    Screen3()
    {

        HorizontalFieldManager _fieldManagerTop = new HorizontalFieldManager();
        VerticalFieldManager _fieldManagerMiddle = new VerticalFieldManager();
        HorizontalFieldManager _fieldManagerBottom = new HorizontalFieldManager();
        HorizontalFieldManager _fieldManagerButton = new HorizontalFieldManager();

        //SET TITLE: FINANCIAL APPLICATION
        LabelField title = new LabelField ("Financial Application", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        Font titleFont = this.getFont().derive(Font.BOLD | Font.ITALIC);
        title.setFont(titleFont);
        setTitle(title);

        //SET PAGE & INFO TEXT
        LabelField _page = new LabelField("Page Three ~ Compound Period", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);;
        LabelField _info = new LabelField("\nNow please enter the compound period.\npress spacebar to go through the choices:", LabelField.USE_ALL_WIDTH);;

        //ADD FIELDS AND SEPARATORS
        add(_fieldManagerTop);
        add(new SeparatorField());
        add(_fieldManagerMiddle);
        add(new SeparatorField());
        add(_fieldManagerBottom);
        add(new SeparatorField());
        add(_fieldManagerButton);

        //OBJECT CHOICE FIELD
        String choicestrs[] = {"Weekly", "Bi-Weekly", "Monthly", "Quarterly", "Annually"};
        ObjectChoiceField choice = new ObjectChoiceField("Compound Period: ", choicestrs, 0);

        //ADD PAGE, INFO, OBJECT CHOIE TO FIELD
        _fieldManagerTop.add(_page);
        _fieldManagerMiddle.add(_info);
        _fieldManagerBottom.add(choice);

        //CREATE BUTTON TO NEXT PAGE
        ButtonField press2Button = new ButtonField("NEXT");
        press2Button.setChangeListener(this);
        _fieldManagerButton.add(press2Button);

    }

    //BUTTON FIELD CHANGE: ACTIONS
    public void fieldChanged(Field field, int context)
    {
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen4());
    }
}

    //SCREEN 4 INPUTS *LENGTH OF INVESTMENT*

package com.rim.samples.Finance;

import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.BasicEditField;
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.Menu;
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.Border;
import net.rim.device.api.ui.decor.BorderFactory;

public class Screen4 extends MainScreen implements FieldChangeListener
{
    //DECLARE MENU BUTTONS
    protected void makeMenu(Menu menu, int instance)
    {
        menu.add(_home);
        menu.add(_close);
    }

    private MenuItem _home = new MenuItem("Home Page", 110, 10)
    {
            public void run()
            {
                onHome();
            }
    };

    public boolean onHome()
    {
        Dialog.alert("Homepage Selected");
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new Screen1());
        return true;
    }

    private MenuItem _close = new MenuItem("Close", 110, 10)
    {
        public void run()
        {
            onClose();
        }
    };

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

    //SCREEN 4 METHOD
    Screen4()
    {
        HorizontalFieldManager _fieldManagerTop = new HorizontalFieldManager();
        VerticalFieldManager _fieldManagerMiddle = new VerticalFieldManager();
        HorizontalFieldManager _fieldManagerBottom = new HorizontalFieldManager();
        HorizontalFieldManager _fieldManagerButton = new HorizontalFieldManager();

        //SET TITLE: FINANCIAL APPLICATION
        LabelField title = new LabelField ("Financial Application", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        Font titleFont = this.getFont().derive(Font.BOLD | Font.ITALIC);
        title.setFont(titleFont);
        setTitle(title);

        //SET PAGE & INFO TEXT
        LabelField _page = new LabelField("Page Four ~ Investment Length", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        LabelField _info = new LabelField("\nNow please enter how long you will have this investment for?\nPlease enter the amount in months:", LabelField.USE_ALL_WIDTH);

        //INPUT FIELD W/ BORDER
        BasicEditField _input = new BasicEditField();
        XYEdges padding = new XYEdges(10, 10, 10, 10);
        int color = Color.DARKGREEN;
        int lineStyle = Border.STYLE_SOLID;
        Border inputBorder = BorderFactory.createRoundedBorder(padding, color, lineStyle);
        _input.setBorder(inputBorder);

        //ADD FIELDS AND SEPARATORS
        add(_fieldManagerTop);
        add(new SeparatorField());
        add(_fieldManagerMiddle);
        add(new SeparatorField());
        add(_fieldManagerBottom);
        add(new SeparatorField());
        add(_fieldManagerButton);

        //ADD PAGE, INFO, INPUT
        _fieldManagerTop.add(_page);
        _fieldManagerMiddle.add(_info);
        _fieldManagerBottom.add(_input);

        //CREATE BUTTON TO NEXT PAGE
        ButtonField pressButton = new ButtonField("NEXT");
        pressButton.setChangeListener(this);
        _fieldManagerButton.add(pressButton);

    }

    //BUTTON FIELD CHANGE: ACTIONS
    public void fieldChanged(Field field, int context)
    {
        UiApplication.getUiApplication().popScreen(this);
        UiApplication.getUiApplication().pushScreen(new InvestmentWorth());
    }
}

    //INVESTMENT WORTH

package com.rim.samples.Finance;

import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.MenuItem;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYEdges;
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.Menu;
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.Border;
import net.rim.device.api.ui.decor.BorderFactory;

public class InvestmentWorth extends MainScreen
{

    //DECLARE MENU BUTTONS
    protected void makeMenu(Menu menu, int instance)
    {

        menu.add(_close);
    }
    private MenuItem _close = new MenuItem("Close", 110, 10)
    {
        public void run()
        {
            onClose();
        }
    };
    public boolean onClose()
    {
        Dialog.alert("Goodbye!");
        System.exit(0);
        return true;
    }

    //SCREEN 1 METHOD
    InvestmentWorth()
    {

        HorizontalFieldManager _fieldManagerTop = new HorizontalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);
        VerticalFieldManager _fieldManagerMiddle = new VerticalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);
        HorizontalFieldManager _fieldManagerBottom = new HorizontalFieldManager(Manager.VERTICAL_SCROLL | Manager.VERTICAL_SCROLLBAR);

        //SET TITLE: FINANCIAL APPLICATION
        LabelField title = new LabelField ("Financial Application", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        Font titleFont = this.getFont().derive(Font.BOLD | Font.ITALIC);
        title.setFont(titleFont);
        setTitle(title);

        //SET PAGE & INFO TEXT
        LabelField _page = new LabelField("Homepage ~ Initial Investment", LabelField.USE_ALL_WIDTH | DrawStyle.HCENTER);
        LabelField _info = new LabelField("\nHere is the worth of your investment:\n", LabelField.USE_ALL_WIDTH);

        //INPUT FIELD W/ BORDER
        LabelField _worth = new LabelField();
        XYEdges padding = new XYEdges(10, 10, 10, 10);
        int color = Color.BLACK;
        int lineStyle = Border.STYLE_SOLID;
        Border inputBorder = BorderFactory.createRoundedBorder(padding, color, lineStyle);
        _worth.setBorder(inputBorder);

        //ADD FIELDS AND SEPARATORS
        add(_fieldManagerTop);
        add(new SeparatorField());
        add(_fieldManagerMiddle);
        add(new SeparatorField());
        add(_fieldManagerBottom);

        //ADD PAGE, INFO, INPUT
        _fieldManagerTop.add(_page);
        _fieldManagerMiddle.add(_info);
        _fieldManagerBottom.add(_worth);

    }

}

    So when I run on the emulator, on Blackbery 8520 SDK emulator, it doesn't let me scroll upwards on the first screen to see the rest of the text, it's like the cursor on the button sticks or editing field base so it wont allow to exceed upwards the button or basic edit field , but I can scroll between them.

    Second problem is trying to address (as defined in the first class) variables to different edit fields so when something is typed in (double), it is placed in the variable to use in the rest of the program.  I want to make sure the basic edit fields only allow "double" number entered, otherwise it displays a message 'incorrect type '.   Please help me with this, or give me some advice.

    I would REALLY appreciate it.

    LabelFields will display several lines later the OS, so maybe this isn't a problem.  However, LabelFields are by default not active, so you can't scroll on them.  RichTextFields are active by default.  So either change your LabelFields for et focusable (style LabelField.FOCUSABLE) pr change to RichTextField, as the previous poster suggested.

    I do not understand your second question, what are the numbers 'double '?

    However, I was watching the styles FILTER_ that you can use to BasicEditField or watch extending TextFilter to check the characters that they are entered.  I suspect TextFilter is the right way to go, but I've never done anything like this.  But having a good overview in this field and classes that extends.

  • Small problem with scrollbars

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    I've implemented a custom Manager where I paint the scroll arrows myself.  It works fine on the touch non-ecran models, but when I try to scroll on the storm, the scroll bars are being developed faster than the screen is repainted, it looks like a big mess.

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