[Interest] Qt interfacing to Android native UI ?

[Federico Buti]

On 3 November 2015 at 22:30, Edward Sutton <edward.sutton at subsite.com>
wrote:

>
> > On Nov 3, 2015, at 2:11 PM, Jason H <jhihn at gmx.com> wrote:
> >
> >
> >
> >> Sent: Tuesday, November 03, 2015 at 10:12 AM
> >> From: "Edward Sutton" <edward.sutton at subsite.com>
> >> To: "Qt Interest" <interest at qt-project.org>
> >> Subject: [Interest] Qt interfacing to Android native UI ?
> >>
> >> I know I can use native iOS UI by mixing Objective-C++ and C++ in the
> same *.mm file.
> >>
> >> I have done a little Android JNI.  Are there any examples for
> interfacing to Android native UI elements?
> >>
> >> I need to create a UI picker for manually entering GPS latitude and
> longitude in degrees,  or degrees, minutes, seconds for a widgets app.  I
> expect it will be hard to make a touch usable widget UI picker.  Developing
> a native interface may take similar amount of time but result will be much
> superior.
> >
> >
> > >Define "much superior”?
>
> What the user expects. True native touch UI. Responsive and fast.
>
> >
> > >Don't forget QML, which I think is the bee's knees. And then you have
> one codebase for iOS and Android and Desktop, which to me is vastly
> superior.
>
> Does QML have a numeric picker wheel ui element?
>

​Since Qt 5.5 Tumbler
<http://doc.qt.io/qt-5/qml-qtquick-extras-tumbler.html> is free. Anyhow
writing one in QML is quite easy using a PathView. Here is a component



> I have wanted to try creating UI elements in QML then display them in a
> widget from my C++ Qt widget app.  I do not know if this is possible;
> launching a QML ui then and receiving what the user selects from the QML
> UI. It may be worth the effort.



> If I could mix some QML with my widget app it could be a better solution
> compared to writing (and maintaining) two (2) native UI numeric pickers,
> one for Android, and one for iOS.


> So far I have one Qt widget codebase supporting Android, iOS, Linux, OS X,
> and Windows desktops except for a few things like Bluetooth, sending email,
> UIAlertView ( QMessageBox looks terrible on iOS ) and such.  If I start
> adding native UI interfaces for Android and iOS I start to lose benefits of
> Qt.
>

Mixing Qt Widget and QML is possible.​ Look at this blogpost
<http://www.ics.com/blog/combining-qt-widgets-and-qml-qwidgetcreatewindowcontainer>
.

​Cheers,
F.
​

>
> -Ed
>
> This email and any files transmitted with it from The Charles Machine
> Works, Inc. are confidential and intended solely for the use of the
> individual or entity to which they are addressed. If you have received this
> email in error please notify the sender. Our company accepts no liability
> for the contents of this email, or for the consequences of any actions
> taken on the basis of the information provided, unless that information is
> subsequently confirmed in writing. Please note that any views or opinions
> presented in this email are solely those of the author and do not
> necessarily represent those of the company. Finally, the recipient should
> check this email and any attachments for the presence of viruses. The
> company accepts no liability for any damage caused by any virus transmitted
> by this email.
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20151103/1ca294a8/attachment.html>