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Programming Wireless Devices with the Java™ 2 Platform, Micro Edition, Second Edition by Jim Holliday - Editor, Aleksi Uotila, Mark Patel, Jyri Huopaniemi, Jim Van Peursem, Antero Taivalsaari, Roger Riggs

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10.1. Item

Class Item is a superclass of all those components that can be attached to a Form. An Item can be contained only in a single Form at a time. The application must remove the item from the Form in which it is currently contained before inserting it into another Form.

All Item objects can have a label field, which is a String representing the title of the Item. If the label String is null, then no label is presented. The label is typically displayed near the Item when the Item is visible on the screen. If the screen is scrolling, the implementation tries to keep the label visible at the same time as the Item.

10.1.1. ItemStateListener

When the user changes an editable Item in a Form, the application can be notified of the change by implementing ...

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