How to use mobile phone buttons

hello. you know how to use left right up down and fire buttons without using canvas ? I am using MIDlets and when I have lots of forms. When the user clicks next button, he should go to next page. When the user clicks previous button he should go to previous page and also fire button works? Is it possible using previous, next and fire buttons without using keypressed() ? de.enough.polish can be used to use next previous buttons ?

In MIDP, it is simple to navigate between different screens (pages?) using Command objects. If needed, [click here to learn|http://developers.sun.com/mobility/midp/articles/ui/|MIDP GUI Programming] +"...description of the GUI classes included in the MIDP with examples of how to use them. This article concludes with guidelines to GUI programming for mobile information devices..."+
BTW there's no API in MIDP to access buttons like fire from within forms, unless these contain CustomItem objects

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