Is it possible to detect if an Android phone has a trackball?
Pergunta
My application requires users to hold down the trackball in order to access an advanced menu. Not all phones have a trackball, however, so I need to remove this requirement for such phones. Is there a way to detect if the phone has a trackball?
Solução
Use the Configuration
object, specifically the navigation
and navigationHidden
fields. You can get a Configuration
object via getResources().getConfiguration()
.
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