We have marked a number of topics in this chapter as New! with an icon in the book margin. The user interface capabilities of the high-level user interface have been dramatically improved to allow increased control by the application developer over the layout and visual elements.
Class Display has been improved to allow:
the querying of the colors used by the device for normal and highlighted colors for foreground, background, and borders (see the getColor method),
the activation of the backlight and vibrator of the device as added effects to gain the attention of the user (see the vibrate and flashBacklight methods),
the querying ...