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Revision as of 05:42, 1 December 2011 by hamishwillee (Talk | contribs)

Bluetooth discovery in Qt Mobility may not report devices (Nokia C6)

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Bluetooth discovery in Qt Mobility may not report devices.

Article Metadata
Code ExampleTested with
Devices(s): Nokia C6-01
Compatibility
Platform(s): Qt mobility 1.2.1 and later
Symbian
Device(s): All with internal Bluetooth
Platform Security
Signing Required: DevCert required
Capabilities: ReadDeviceData LocalServices WriteDeviceData
Article
Keywords: QBluetoothDeviceDiscoveryAgent, BluetoothLinkManagerDeviceDiscoverer
Created: Devnull (24 Nov 2011)
Last edited: hamishwillee (01 Dec 2011)

Description

Bluetooth device discovery on Symbian using the Qt Mobility API QBluetoothDeviceDiscoveryAgent may not report some local devices when both Bluetooth audio and wireless data connections are active.

How to reproduce

Connect a Bluetooth headset and start listening an internet radio over the wireless network.

Attempt to discover bluetooth devices with the API. No devices are discovered - and in the Qt Creator debug window you can see the following messages

[Qt Message] void QtMobility::BluetoothLinkManagerDeviceDiscoverer::RunL() 0 
[Qt Message] void QtMobility::BluetoothLinkManagerDeviceDiscoverer::RunL() -25

Where -25 means KErrHostResNoMoreResults.

Solution

There is no known solution or workaround for the problem.

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