Yes. You can use Bluecove API. On Mar 26, 7:57 pm, Kristopher Micinski <krismicin...@gmail.com> wrote: > Nice find then, I hadn't known about that, but is it possible from Java? > > Kris > > > > > > > > On Sat, Mar 26, 2011 at 10:24 PM, ehpaul <hansp...@gmail.com> wrote: > > It looks a better way is to make a l2cap connection and look at the > > exception. > > > On Mar 26, 2:47 am, ehpaul <hansp...@gmail.com> wrote: > > > So basically I will have a background thread that periodically tried > > > to connec and immediate disconnect? > > > > On Mar 25, 4:35 pm, Kristopher Micinski <krismicin...@gmail.com> > > > wrote: > > > > > On Fri, Mar 25, 2011 at 4:53 AM, ehpaul <hansp...@gmail.com> wrote: > > > > > Hello, I am writing an android program that I need to know when a > > > > > bluetooth device (I know the Mac) is in range. The program also needs > > > > > to be aware when the device is not in range. Is there any way to do > > > > > this without establishing a connection? > > > > > Not that I've seen from the Bluetooth API exposed to the user. I don't > > > > understand the underlying protocol horribly well, but you need to > > actually > > > > scan for the uuid using SDP, which requires a call to the API. > > > > > > When the device is in range, I am able to call > > > > > BluetoothAdapter.getRemoteDevice and retrieve the friendly name. But > > > > > when I am not in range, it seems this information is cached. I was > > > > > thinking if I can use the friendly name as an indicator whether the > > > > > device is within range (i.e If friendly name is not null, then it's > > in > > > > > range). I am certain there is better way to do this. But it seems the > > > > > only way is to establishing a connection. > > > > > I don't think there is a better way, at least with the current API. > > Unless > > > > by better way you mean a more elaborate synchronization mechanism or > > > > something like that. But yes, I think at least from the API exposed by > > the > > > > android system, you have to do polling. > > > > > (I wanted to do what you described too, I think it's a common thing, > > but > > > > perhaps not the anticipated use of BT and / or the android API.) > > > > > Kris > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to android-developers@googlegroups.com > > To unsubscribe from this group, send email to > > android-developers+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en
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