Thanks Alex. Yes the version you mention are the right ones.I am really
glad you have it working with same version so I know it works.
I do give it sufficient time and I am sure the the discovery is never
initiated. I never press the 'Scan' button but still it is disabled. I can
tell you the discovery function below never gets run.
void DeviceDiscoveryDialog::startScan()
{
discoveryAgent->start();
ui->scan->setEnabled(false);
ui->inquiryType->setEnabled(false);
}
Below is a screen of the scanner demo that comes it and it appears it is
not able to turn on bluetooth because bluetooth power is unchecked. Even
when I check it the 'Scan' button is still disabled which seems to indicate
is not really powering on (= in other words not able to connect to bluez?).
[image: Inline image 1]
Thanks
Shahzad
On Tue, Oct 27, 2015 at 10:59 AM, Blasche Alexander <
alexander.blas...@theqtcompany.com> wrote:
> Hi,
>
> > -----Original Message-----
> > From: Interest [mailto:interest-boun...@qt-project.org] On Behalf Of
> Shahzad
> > Khan via Interest
> > Sent: Tuesday, 27 October 2015 15:38
>
> > But when I run the btscanner demo, the 'scan' button comes out disabled.
> I don't
> > get any warnings or errors but I can never scan.
>
> The scan button is disabled while a scan is in progress.
>
>
> > My question is how can I make bluetooth work for linux? How do I wire up
> Qt to
> > use BlueZ? I hear about Qdbus as well but I don't know exactly how does
> that fit
> > in the picture since the demos don't seem to use it.
>
> QtDBus is internally used by QtBluetooth. There is no public reference to
> it in the QtBluetooth context. Please enable logging for the example by
> uncommenting
>
> //QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
>
> in main(). It should provide you with more relevant output. Also, ensure
> that Bluez has enabled the local Bluetooth device using hciconfig.
>
>
> > I am using Ubuntu 4.04 and BlueZ version 4.11 which I believe is
> supported by Qt.
> > I am new to linux world though.
>
> I am going to assume you meant Ubuntu 14.04 and Bluez 4.101. The other
> version combo doesn't make sense to me. Otherwise please advise. Yes, this
> version combo does work. Indeed I am using it myself.
>
> --
> Alex
>
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