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APPENDIX
Avoiding Common Mistakes A
This appendix summarizes what you should do to avoid the top 20 user
interface mistakes.
Info Button A
Use the Info button—with the “i” icon—and its picker for information options
such as Help, About, and Prefs. Always place the Info button at the far left
end of the status bar unless your application includes an Analog Clock, which
is optional. See pages 3-23, 4-24, 8-28, and 8-30.
New and Show Buttons A
If users can create new items or display different views of information in
your application, include a New button and a Show button like the ones in
the built-in applications. Put the New button near the left end of the status
bar next to the Info button (if present), and put the Show button to the right
of the New button. See page 3-26.
Screen Size A
Design your application to handle any screen size and aspect ratio. If your
application can’t scale its views small enough or can’t rearrange view
contents to fit the aspect ratio, notify the user before closing your application.
See pages 1-11 and 2-34.
Tapping v. Writing A
Tapping is faster than writing, so for data input favor pickers, scrolling lists
and tables, radio buttons, sliders, and so forth over written input. See page 6-3.
Figure A-0
Table A-0