[Users] QField and value relation widget

[Matthias Kuhn]

Hi Paul,

Thanks for the project you sent me. It's an interesting constellation. The
"value map widget" inside contains a reference to nonexistent layer ids, so
it cannot find the layers by their ids. QGIS has some magic tricks it does
in such cases to find the layer through a backup plan by their names and
other properties. I just integrated a patch into QField that does the same.

If you get the chance to test the resulting apk in here, that would be
great.
https://github.com/opengisch/QField/pull/1589

What I am unable to answer is how this happened in the first place.
Thanks for supporting the QField development!

Matthias

On Tue, Jan 5, 2021 at 12:01 PM Matthias Kuhn <matthias at opengis.ch> wrote:

> Hi Paul,
>
> The first thing should definitely be working. Can you share the qfield
> project that doesn't open the dropdown list?
>
> The second thing about alphabetical sorting would be considered a new (and
> interesting) feature request for QField. It would line up very well with
> the recent developments around the value relations which are now searchable
> in release (see https://github.com/opengisch/QField/pull/1374).
>
> Best regards
> Matthias
>
> On Tue, Jan 5, 2021 at 10:50 AM Paul Losse <paul.losse at gmail.com> wrote:
>
>> Dear all,
>>
>> I'm having a couple of issues with the Value Relation widget in QField:
>>
>> I have used the widget to create cascading drop down lists. Using
>> shapefiles, these work well in both QGIS and QField. However if I use
>> the Geopackage format, the dropdown lists work fine in QGIS but not in
>> QField. The files transfer without a problem but the dropdown lists do
>> not appear when tapping on them. Any solutions to this issue? I have
>> used the QFieldSync plugin to transfer files. Lookup only files are
>> copied, files that are edited are transferred as 'offline editing'.
>>
>> The second problem is that dropdown entries are listed in alphabetical
>> order for only the first five entries in QField. After that, they are
>> listed in entry order. In QGIS, entries continue to appear in
>> alphabetical order. Can this be rectified?
>>
>> Many thanks
>>
>> Paul
>>
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>>
>
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