SO currently has a number of questions tagged preferenceactivity. It'd be nice if that tag were replaced with preference-activty for better name format conformance and legibility and the current tag synonimized to the new one.
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closed as off-topic by Martijn Pieters, Shadow Wizard, Robert Cartaino♦ Aug 12 '14 at 14:33
This question appears to be off-topic. The users who voted to close gave this specific reason:
The convention is that most multi-word tags get a hyphen, except when they are names of things that don't have a hyphen in ordinary usage such as class names, library names, etc.
android-activity is a bit of a special case; we are strongly encouraging folks in the Android tag to use tags prefixed with Android, since activity, intent and other similar tags are hopelessly ambiguous.