Scrolling Menus
As a rough rule of thumb, you can fit a maximum of about 10 buttons (including Cancel) into a portrait orientation and about 5 buttons into landscape on the iPhone and iPod touch. (There’s quite a bit more room on the iPad.) Going beyond this number triggers the scrolling presentation shown on the right in Figure 3-3. Notice that the Cancel button is presented below the list, even when scrolling is activated. The Cancel button is always numbered after any previous buttons. As Figure 3-3 demonstrates, this presentation falls fairly low on the aesthetics scale and should be avoided where possible.
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