March 2013
Beginner to intermediate
580 pages
16h 11m
English
Content preview from Android Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Implementing Contextual Action Mode
The code you have written for deleting a crime via a floating context menu will work on any Android device. For instance, Figure 18.2 shows the floating menu on a device running Jelly Bean.
However, the recommended way to present contextual actions on newer devices is to have a long-press on a view put the screen into contextual action mode. When the screen is in contextual action mode, the items defined in your context menu appear in a contextual action bar that overlays the action bar. Contextual action bars are nice because they do not obscure the screen.
Figure 18.3 Contextual action bar appears on long-press
Implementing a contextual action bar requires a different set of code from a floating context ...
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