Hi  Ramakanth,
 
To use the Bluetooth SPP protocol you can use the QtSerialPort module.
 
Because in this case the /dev/rfcommX device it is what do you need (in case the talk about Linux).
 
But this will be work after the pair connection establishment between two devices (then the rfcommX device will be created by udev and available).
 
Best regards,
Denis
 
 
 
24.10.2013, 12:40, "Ramakanthreddy Kesireddy" <ramakanthreddy.kesire...@techmahindra.com>:

Hi Alex,

 

Yes I have custom btchat app on android. Does custom btchat app on Android which talks the same protocol mean it should use Bluez 4.x and SPP protocol?

 

Best Regards,

Ramakanth

 

 

 

From: interest-bounces+ramakanthreddy.kesireddy=techmahindra....@qt-project.org [mailto:interest-bounces+ramakanthreddy.kesireddy=techmahindra....@qt-project.org] On Behalf Of Blasche Alexander
Sent: 24 October 2013 13:41
To: interest@qt-project.org
Subject: Re: [Interest] Bluetooth Qt Connectivity module(5.1 Qt SDK)

 

Hi,

The chat example uses its very own service UUID. Unless your Android device knows about the service UUID and can use it. it will always respond with the mentioned error. The example is meant to be used on two machines. It acts as server and client at the same time.

Since we don't have an Android port for QtBluetooth yet (on my todo) you'd have to have your custom btchat app on Android which talks the same protocol. Do you have such an app on your Android?

In general there should not be a problem talking between Android and QtBluetooth on e.g. Linux but you'd have to synchronize both side with custom apps or you use the provided Object Push for now.

 

--

Alex


From: Ramakanthreddy Kesireddy [ramakanthreddy.kesire...@techmahindra.com]
Sent: Thursday, October 24, 2013 08:26
To: Blasche Alexander; interest@qt-project.org
Subject: RE: Bluetooth Qt Connectivity module(5.1 Qt SDK)

Hi Alex,

 

Thanks for your pointers.

 

I could successfully run the BT Transfer example using Qt5.2 aplha.

It had been problem with USB BT dongle that we were using earlier.

 

Are there any prerequisites to run BT chat example as it says chat service not available?

Iam interested to send text from PC to android phone using BT chat example. Does this suffice for this requirement

Using Bluetooth API?

 

Please let me know in this regard.

 

Thanks and Regards,

Ramakanth

 

 

 

 

From: Blasche Alexander [mailto:alexander.blas...@digia.com]
Sent: 30 August 2013 14:15
To: Ramakanthreddy Kesireddy; interest@qt-project.org
Subject: RE: Bluetooth Qt Connectivity module(5.1 Qt SDK)

 

Hi,

Couple of questions:

1.) What branch of qtconnectivity are you using? Maybe add the SHA?

2.) What does gdb tell you when you interrupt the hanging process? Where is it stuck (aka what does the bt look like).

 

--

Alex


From: interest-bounces+alexander.blasche=digia....@qt-project.org [interest-bounces+alexander.blasche=digia....@qt-project.org] on behalf of Ramakanthreddy Kesireddy [ramakanthreddy.kesire...@techmahindra.com]
Sent: Thursday, August 29, 2013 18:10
To: interest@qt-project.org
Subject: Re: [Interest] Bluetooth Qt Connectivity module(5.1 Qt SDK)

Hi,

I tried to unset compiz and then run BTtransfer example application.
However, once the device is found(after pairing is completed) and shown in dialog, the application freezes though there is no Compiz error.

Please let me know if there are any clues in this regard.

Thanks and Regards,
Ramakanth


From: Ramakanthreddy Kesireddy
Sent: Monday, August 19, 2013 11:50 AM
To: interest@qt-project.org
Subject: Bluetooth Qt Connectivity module(5.1 Qt SDK)

Hi,

 

Am using Qt 5.1 Offline installer for Linux Ubuntu 12.04 X86 32 bit sdk.

I installed libblueooth3.

 

I built Qt connectivity module from qt repository and tried to execute the btfiletransfer/btchat examples so as to verify

Bt communication using OBEX/SPP profiles.

 

However, these examples are not working fine and crashes while the transfer is initiated with compiz terminated unexpectedly.

The system needs reboot after this.

 

Please let me know if am missing anything in this regard.

 

Thanks and Regards,

Ramakanth

 

 

 

 

 

 

 



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