Press 't' (scroll up) and 'b' (scroll down)

Hello

I have a verticalfieldmanager which has many areas (an unknown number as the number of fields is determined by a search user-defined).

I would like to implement the hotkeys of BB - specifically when the user presses 't', I want the verticalfieldmanager to scroll to the top, and when the user clicks on the 'b', I want the Manager verticalscroll to scroll down.

(The Manager of verticalfield is not the only field on the screen).

I searched this forum, but not found a solution.

Someone knows how to do this?

I tried the following, but it doesn't work:

VerticalFieldManager _bottmanager = new VerticalFieldManager(
            VerticalFieldManager.VERTICAL_SCROLL
                    | VerticalFieldManager.VERTICAL_SCROLLBAR){
        protected boolean keyDown(int keycode, int time){

                        //if user presses 't', scroll to top
            if (keycode==Characters.LATIN_SMALL_LETTER_T){
                _bottmanager.setVerticalScroll(0);
            }
            return true;

        }
    };

In my experience, managers will try to ensure that the field that currently has the focus is displayed. So if you want to scroll to the top, you need to find an active field at the top, place the cursor and then set the VerticalScroll

Something like

If {(keycode is Characters.LATIN_SMALL_LETTER_T)

for (int i = 0; i)< _bottmanager.getfieldcount();="" i++="" )="">

Field f = _bottmanager.getField (i);

If (f.isFocusbale () {}

f.setFocus ();

break;

}

}
_bottmanager.setVerticalScroll (0); Not sure this is necessary
}

Not sure this will compile, but you get the idea, I hope,

The opposite is of course necessary background work for the letter B.

Let us know if this doesn't work for you.

Tags: BlackBerry Developers

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Press 't' (scroll up) and 'b' (scroll down)

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