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Type: Technical task
Resolution: Done
Priority: Not Evaluated
Fix Version/s: None
Component/s: Connectivity: Bluetooth
Labels:
None

Platform/s:

All

Reading all descriptors and characteristic as part of the service discovery is very inefficient. Especially when the user already knows the exact service & char uuids he desires to interact with.

This implies changes to QLEController::discoverServices() and QLEService::discoverDetails(). The public API needs rather limited changes abut the internal platform changes are significant

Android ~3w
Bluez (1w for DBus & 3-4w for custom GATT)
CoreBluetooth (1-2w)
WinRT (2w - legacy and new implementation)

Time estimate assumes ObjectiveC simplifications (~~QTBUG-75348~~) being done

relates to

QTBUG-91958 Introduce bool parameter inQLowEnergyService::discoverDetails

Closed

QTBUG-91960 Implement BTLE readless service discovery in Bluez implementation

Closed

QTBUG-91961 Implement BTLE readless service discovery in BluezDBUS implementation

Closed

QTBUG-91962 Implement BTLE readless service discovery in Android implementation

Closed

QTBUG-91963 Implement BTLE readless service discovery in Darwin implementation

Closed

QTBUG-91964 Implement BTLE readless service discovery in Win implementation

Closed

QTBUG-91965 Implement BTLE readless service discovery in WinRT implementation

Closed

QTBUG-91966 Implement BTLE readless service discovery in WinRT new implementation

Closed

resulted in

QTBUG-94137 QLowEnergyService::discoverDetails should become optional

Closed

(3 relates to, 1 resulted in)

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For Gerrit Dashboard: QTBUG-75340
#	Subject	Branch	Project	Status	CR	V
339536,4	Change QLowEnergyService::ServiceState enum to reflect future changes	dev	qt/qtconnectivity	Status: MERGED	+2	0
340026,15	Introduce option for reduced service discovery	dev	qt/qtconnectivity	Status: MERGED	+2	0
340532,9	Implement reduced service discovery on Linux-BlueZ-DBUS	dev	qt/qtconnectivity	Status: ABANDONED	0	0
341223,1	WIP: winrt implementation	dev	qt/qtconnectivity	Status: ABANDONED	-2	0
341226,5	Implement reduced service discovery on Android	dev	qt/qtconnectivity	Status: MERGED	+2	0
341227,2	Implement reduced service discovery on Linux-BlueZ-DBUS	dev	qt/qtconnectivity	Status: MERGED	+2	0
341228,6	Implement reduced service discovery on WinRT	dev	qt/qtconnectivity	Status: ABANDONED	+2	0
342121,4	Implement reduced service discovery on WinRTNew	dev	qt/qtconnectivity	Status: MERGED	+2	0
343159,3	Do not read characteristic values and descriptors unless mode is 'FullDiscovery'	dev	qt/qtconnectivity	Status: MERGED	+2	0