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Editorial Team
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Asked: 2026-05-28T01:06:46+00:00

I’ve got an interesting problem that I’d like some advice and opinions on if

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I’ve got an interesting problem that I’d like some advice and opinions on if you would be so kind. I’m not after code as I prefer to write that for myself. My background is J2ME and Android but I’ve recently taken up Blackberry.

What I need to write is something akin to the Android ListView albeit a little simpler.

Each row consists of 3 items. There’s an image/icon, a multi-line (2 or 3 row) text element and an imagebutton of some form.

However, each row has only 2 columns. The icon/image & multi-line text are combined for the first column and are clickable (with both the column (0) plus the row ID identifiable). The next element in the row (1) is a clickable image (common to all rows – this also needs to have an identifiable row ID). There must be different actions for each column/row cell.

There is a need for multiple rows to be scrollable vertically and there may well be a lot of items.Each row needs to fit the screen width with the icon/multi-line text justified to the left and the clickable image justified to the right. Each row needs all of its components vertically justified (possibly centred) for neatness.

So what we have (for a row) is:

[clickable image/multi-line text combo][clickable image]

Ideally there will be a common background (gradient shaded) for each row once focussed. This should span both columns seamlessly.

Any thoughts would be most appreciated.

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1 Answer

  1. Editorial Team

    The simplest approach is probably to have a VerticalFieldManager for the list, populated by HorizontalFieldManagers for the row.

    As for the inner part of the row (the columns) you can pass FIELD_LEFT to the first field and FIELD_RIGHT for the second for alignment. The image-multitext field you can create yourself by extending ButtonField and overriding the paint method. You can use the Graphics object to draw your image and text. A different approach (and perhaps a simpler one) is to extend the HorizontalFieldManager, add your components and make it clickable by capturing the click events.

    One thing to realize about Blackberry is that there are many ways to do something, if one thing doesn’t work quite the way you want it to, try something different. Hope this help you get started!

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