Hi,
On 01/10/2010, at 5:13 AM, ext Tico Ballagas wrote:
> I was having issues debugging an import problem for a custom
> QDeclarativeExtensionPlugin.
>
> The ultimate problem was that I forgot to install a required shared library
> used by my plugin. However, qmlviewer reported the problem as follows:
>
> # QML_IMPORT_TRACE=1 qmlviewer gesture.qml
> QDeclarativeImportDatabase::addImportPath "/usr/lib/qt4/imports"
> QDeclarativeImportDatabase::addImportPath "/usr/bin"
> QDeclarativeImportDatabase::addToImport 0x24d37c "." -1.-1 File as ""
> QDeclarativeImportDatabase::add: loaded "/home/user/gestureEngineTest/qmldir"
> QDeclarativeImportDatabase::importPlugin ".home.user.gestureEngineTest" from
> "/home/user/gestureEngineTest/lib/libgestureengine.so"
> QDeclarativeImportDatabase::addToImport 0x24d37c "Qt" 4.7 Library as ""
> file:///home/user/gestureEngineTest/gesture.qml:3:1: GestureEngine is not a
> type
> GestureEngine {
>
> where GestureEngine is defined in libgestureengine.so, but it doesn't convey
> that the plugin import failed. In fact, the trace leads you believe the
> plugin was successfully loaded.
>
> It would be nice if qmlviewer displayed an error like the following:
> error while loading shared libraries: libqt_gesture_lib.so.1: cannot open
> shared object file: No such file or directory
A brief test on my build indicates that if the plugin fails to load, you do get
a descriptive error message:
file:///Users/aakenned/Qt/qt-qml/test.qml:2:1: module "Qt.labs.gestures"
plugin "qmlgesturesplugin" not found
import Qt.labs.gestures 1.0
What I suspect is happening to you is that the plugin is loading successfully,
but it doesn't contain a GestureEngine element. Can you provide more details?
Cheers,
Aaron
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