Low-Level API
In contrast to the high-level API, the low-level API allows full control of the MID display at pixel level. For this purpose, the lcdui package contains a special kind of screen called Canvas. The Canvas itself does not provide any drawing methods, but it does provide a paint() callback method similar to the paint() method in AWT components. Whenever the program manager determines that it is necessary to draw the content of the screen, the paint() callback method of Canvas is called. The only parameter of the paint() method is a Graphics object. In contrast to the lcdui high-level classes, there are many parallels to AWT in the low-level API.
The Graphics object provides all the methods required for actually drawing the content ...
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