| 摘要 |
<p>An improved handheld electronic device (4) includes as input apparatus (8), preferably a trackball (24), an output apparatus (12), namely a display (74), and a processor apparatus (16). The processor apparatus (16) is structured to execute a number of routines (44) including a stroke-bascd input user interface routine (62), The stroke-based input user interface routine (62) is structured to present a user interface on the display (74). The user interface includes an active portion (52), a filter portion (54) and an output portion (50).</p> |
