Exactly same problem with you.
I am using UA-767-PBT-C
After connected to the device, I can see the Connection State is
"Connected" and "Reading data..." and a green icon.
However, I can never see data.
In log ,I keep receiving dalvikm - GC_CONCURRENT freed 494K ..., and
sometime even reboot!
Do u solve the problem? Thank You.

On Feb 2, 7:05 pm, jfernandez <jorge.fernandez.gonza...@gmail.com>
wrote:
> Hi all,
>
> I have observed a strange and undesirable behaviour that I'm going to
> describe. When an HDP channel is stablished, the Android system starts
> a long proccess of freeing memory (I have lots of Logcat messages like
> "dalvikm - GC_CONCURRENT freed 494K ..."), even in some occasions, the
> system crashes and the smartphone is rebooted. I don't know if this is
> a problem of my ROM/smartphone (I'm using Android 4.0.3 ICS). Does
> anybody has the same problem?
>
> Thanks and regards!
>
> On 15 dic 2011, 18:30, jfernandez <jorge.fernandez.gonza...@gmail.com>
> wrote:
>
>
>
>
>
>
>
> > Hi all,
>
> > I'm executing the BluetoothHDPDemo [1]  (offered from Android 4.0
> > Ice Cream Sandwich) in my Android smartphone. When I have registered
> > the application in order to receive data, and I have paired the
> > biomedical device with the smartphone, I try to open the channel
> > connection and I can see that the device starts sending data to the
> > smartphone. However, the smartphone isunableto open the channel
> > connectionHDP.
>
> > At the end of this message you can see the output obtained in the
> > LogCat.
>
> > Has anybody achieved to run successfully this sample about the use of
> > the Bluetooth Health Profile API? Any ideas?
>
> > Thanks. Regards.
>
> > [1]http://developer.android.com/resources/samples/BluetoothHDP/index.html
>
> > This is the log that I obtain:
>
> > 12-15 16:40:54.048: I/BluetoothHDPService(1105): connectChannel()
> > 12-15 16:40:54.068: D/BluetoothService(147): CONNECTION_STATE_CHANGE:
> > 00:80:25:14:A1:BC: 0 -> 1
> > 12-15 16:40:55.169: D/ConnectivityService(147):
> > handleInetConditionHoldEnd: net=1, condition=0, published condition=0
> > 12-15 16:40:59.393: D/BluetoothEventLoop(147): Device property
> > changed: 00:80:25:14:A1:BC property: Connected value: true
> > 12-15 16:41:00.024: D/BluetoothEventLoop(147): Health Device :
> > devicePath: /org/bluez/278/hci0/dev_00_80_25_14_A1_BC:channelPath:/org/
> > bluez/278/hci0/dev_00_80_25_14_A1_BC/chan3115:existstrue
> > 12-15 16:41:00.034: E/BluetoothService.cpp(147):
> > getChannelApplicationNative
> > 12-15 16:41:00.044: E/bluetooth_common.cpp(147):
> > dbus_func_args_timeout_valist: D-Bus error in Acquire:
> > org.bluez.Error.HealthError (Cannot reconnect: MDL is not closed)
> > 12-15 16:41:00.044: E/BluetoothHealthProfileHandler(147): Error
> > obtaining fd for channel:/org/bluez/278/hci0/dev_00_80_25_14_A1_BC/
> > chan3115
> > 12-15 16:41:00.074: E/BluetoothService.cpp(147): destroyChannelNative
> > 12-15 16:41:00.074: E/BluetoothEventLoop.cpp(147):
> > onHealthDeviceConnectionResult: D-Bus error:
> > org.bluez.Error.HealthError (Mdl is not created)
> > 12-15 16:41:00.074: D/BluetoothEventLoop(147):
> > onHealthDeviceConnectionResult 2 6001
> > 12-15 16:41:00.214: D/BluetoothEventLoop(147):
> > onHealthDeviceConnectionResult 2 6000
> > 12-15 16:41:00.214: D/BluetoothEventLoop(147): Health Device : Name of
> > Property is: MainChannel Value:/org/bluez/278/hci0/
> > dev_00_80_25_14_A1_BC/chan3115

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