[Medrepo]

Hi,

I have a project that compiles and runs with Felgo 3.7. But with 3.8 I get first the following warning during compilation:

WARNING: Failure to find: jasca_app_metatypes.json

And then the error message:

make: *** No rule to make target ‘jasca_app_metatypes.json’, needed by ‘jasca_app_qmltyperegistrations.cpp’. Stop.

There are no json files in project tree.

How can I fix this?

[AlexFelgo Team]

Hi,

There are probably some left-over files from a previous build. Did you try a clean build, i.e. deleting the shadow build directory, and running qmake and build afterwards?

Best,
Alex from Felgo

[Volker]

Hi Alex,

yes, it was the first I tried but without success. I had a look on generated Makefile and found this json file in the following places:

 

distdir: FORCE
@test -d $(DISTDIR) || mkdir -p $(DISTDIR)
$(COPY_FILE) --parents $(DIST) $(DISTDIR)/
$(COPY_FILE) --parents jasca_app_metatypes.json $(DISTDIR)/
$(COPY_FILE) --parents jasca_app_metatypes.json $(DISTDIR)/
$(COPY_FILE) --parents ../../src/mobile/jasca_app/resources.qrc $(DISTDIR)/
$(COPY_FILE) --parents ../../src/mobile/jasca_app/main.cpp $(DISTDIR)/
$(COPY_FILE) --parents ../../../../Felgo/Felgo/android/mkspecs/features/data/dummy.cpp $(DISTDIR)/
$(COPY_FILE) --parents ../../src/mobile/jasca_app/main.cpp $(DISTDIR)/

...

jasca_app_qmltyperegistrations.cpp: jasca_app_metatypes.json
/home/ro/Felgo/Felgo/android/bin/qmltyperegistrar --generate-qmltypes=jasca_app.qmltypes --import-name=eu.medrepo --major-version=1 --minor-version=0 --foreign-types=/home/ro/Felgo/Felgo/android/lib/metatypes/qt5gui_metatypes.json,/home/ro/Felgo/Felgo/android/lib/metatypes/qt5core_metatypes.json -o jasca_app_qmltyperegistrations.cpp jasca_app_metatypes.json

...

jasca_app.qmltypes: jasca_app_metatypes.json \
jasca_app_qmltyperegistrations.cpp

File jasca_app_qmltyperegistrations.cpp is listed in sources of Makefile, but should be somehow included by Felgo since it’s not mentioned in project file (.pro)

####### Files

SOURCES = ../../src/mobile/jasca_app/main.cpp jasca_app_qmltyperegistrations.cpp \
armeabi-v7a/qrc_resources.cpp

 

In .pro file I have only

SOURCES += main.cpp

and DISTFILES += with qml files

[Volker]

The same error I got on your CI/CD server (https://felgo.com/cloud-builds?a=project&project_id=880)

[Volker]

If I comment the following line out:

CONFIG += qmltypes

I can compile, but app crashes on engine load

engine.load(QUrl(felgo.mainQmlFileName()));

 

[AlexFelgo Team]

Hi,

Thanks for the additional input.

As this is something project-specific, can you please send a quick note to support@felgo.com so that we can have a closer look to solve the issue?

Thanks,
Alex from Felgo

[Volker]

Hi Alex,

removing

CONFIG += qmltypes

solved the issue and crash was because of missing custom QML plugin deployment after upgrade. We install our QML plugin inside Felgo directory. I would prefer to install it in application directory, something like this:

QQmlApplicationEngine engine;
engine.addImportPath("./plugins");

But on Android the apllication resides under /libs inside APK together with other libraries, so I have no idea how I can deploy qml plugin in this case. I will create a new topic about it. It would be greate if you could have a look on it.

 

[Volker]

It seems on Qt 5.15 one cannot mix old types registration via qmlRegisterType with and Co. and CONFIG += qmltypes

If qmltypes is defined, registration must be done via QML_ELEMENT. Details here: https://www.qt.io/blog/qml-type-registration-in-qt-5.15