Rearrange the order of the fields in a custom battery Manager

I am creating a custom handler where the content fields overlap between them (like the tabs of the file) and I want the field to appear above the other tabs when selected.

I've been (but not all)

  • Adds an array of fields to the custom handler in their order, but during the sublayout, I put in the position and arrangement of the field first before all other fields
  • also added the index selected the Manager first, but the order of focus change.

Does anyone know how to rearrange their display order battery? Is it still possible?

It is only my understanding...  Not done.

I think knowing that a Manager displays or paint the fields in the order they are added.  It will also move by default in this way.  When the focus moves, the field is painted with focus, but what this really means is that the area of the screen is redrawn.  The Manager will know which fields are displayed in the box that needs repainted and asked to be repainted.

So if you have two fields, and they overlap, the second field is always painted on the first field, which is not what you want if the first field is in focus.

In short, using my 'model', if you want something on top, it must be the last thing added to the Manager.

So when the focus moves, you need to add and remove fields to the Manager.  This is not an operation that I would actually recommend.  Change of field managers in this way is 'expensive' in regard to treatment and could slow down at all, if in fact it works - I don't know how well a manager could face having the field at point removed and re added.  But this is probably the easiest option, at least the simpler I think.  The only other option I can think of involves a fancy paint treatment.

You want to give this a go and see how you go?

Tags: BlackBerry Developers

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