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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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8.2. Structure of the MIDP User Interface API

The following sections provide an overview to the MIDP user interface API (javax.microedition.lcdui). The remainder of this chapter and the following two chapters concentrate on the high-level parts of the API. The low-level user interface API features are detailed in Chapter 11, “MIDP Low-Level User Interface Libraries.”

The separation of high-level and low-level API is often not very clear-cut. There are many classes that are used both in low-level and high-level APIs. For example, classes Image and Font are used both in high-level Screen components and low-level graphics drawing. Also, in MIDP 2.0 the new CustomItem class makes it possible to mix low-level graphics and high-level components within ...

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