Chapter 6. The MIDP Low-Level API

  • Command and Event Handling

  • Graphics Drawing

This chapter teaches you how to use the MIDP low-level API, which is the second of two MIDP UI component APIs. You learned about the other API, the MIDP high-level API, in chapter 4. The low-level API makes it possible for you to do two things that you can't do with the high-level API:

  • Obtain low-level information about events (such as key stroke information), that is delivered to your component.

  • Define the look of the your UI component.

Two classes comprise the definition of the low-level API:

  • javax.microedition.lcdui.Canvas

  • javax.microedition.lcdui.Graphics

Figure 6.1 reproduces a subset of the MIDP inheritance hierarchy diagram in Figure 5.1 in chapter 5. You can see ...

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