[Interest] Qt interfacing to Android native UI ?

Ben Lau xbenlau at gmail.com
Thu Nov 5 08:51:51 CET 2015

Not really a solution for wrapping Android UI in Qt app. But I have already
developed an image picker with native UI and communication library between
Qt and Java/Android. May be it could used as example / core framework.

Image Picker

System Dispatcher - Invoke Java/Android function and vice visa without
using JNI. Data type conversion is handled automatically.


On 5 November 2015 at 15:36, Robert Iakobashvili <coroberti at gmail.com>

> Dear Ed,
> It seems that I have something native for iOS, but not for Android.
> I was thinking now about another path to take:
> 1. Common layer - with business app logic;
> 2. Presentation layer with the below options:
> 2.1 Qt Desktop layer to cover Win, Mac and Linux;
> 2.2 iOS-Native;
> 2.3 Android-Native.
> Please, update us on your success of co-existence between
> Qt-Widgets and QML and whether after adding QML it is still
> sustains tough memory environment on iOS and low-memory
> Android devices.
> Thank you in advance.
> Regards,
> Robert
> On Tue, Nov 3, 2015 at 5:12 PM, Edward Sutton <edward.sutton at subsite.com>
> wrote:
> > 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.
> >
> > Thank you for your advice,
> >
> > -Ed
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