What field / class should I use to create a mobile rectangle?

Hello

I want to create a rectangle that people can focus on, and when it's to the point, people can scroll to the left or right to move the rectangle left and right. What field or the object or the class should I use?

Thank you!

I noticed that too.  However, since the BB is double buffered, I'm not sure you save anything in fact.  As you move your rectangle, you would have to redraw where it was anyway.

This treatment is all done in the paint of the screen method so effectively treats the screen as a large Bitmap.

If you have created a field for yourself, you could add that field to a Manager, then use this Manager to place this field on the screen and then move.  In fact, it would be fairly simple.  But to do this, you must create a manager who knew how to move the field, then move the field whenever you wanted to move.  Then painting everything would be done by another person (i.e. the Manager and the field.)  In my opinion, costs, overhead and complication just to draw a rectangle of mobile, is excessive.  However if you plan to put different data in the Rectangle, such as text and therefore might want to use a real field of BB to help with its interior design.  To help you with this, I suggest you only consider these three KB articles:

What is - BlackBerry UI hierarchy
Article number: DB-00111
http://www.BlackBerry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800505/800608/...
 
-How to create a custom handler for a screen presentation
Article number: DB-00117
http://www.BlackBerry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800505/800508/...

-Creating custom fields
Article number: DB-00120
http://www.BlackBerry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800505/800345/...

Tags: BlackBerry Developers

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