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New Developer
Posts: 9
Registered: ‎10-13-2013
My Device: N/A
My Carrier: N/A
Accepted Solution

Use QObject as property in UI element

I am attempting to store an instance of QObject in a UI element for later use. My attempt to use a QtObject type failed as follows:

 

var model = retrieveModel() // Retrieves QObject instance from Q_INVOKABLE C++ method

containerInstance.model = model

...

Container {

  id: containerInstance

  property QtObject model // <-- Attempt to store the QObject here

  label{

    text: model.name

    onXYZ: {

      // Use QObject model here

    }

  }
}

 

But apparently QtObject differs from QObject:

 

asset:///Test.qml:51: Error: Cannot assign QObject* to bb::cascades::QmlQObject*

 

Does anyone have an idea to store a QObject as a property of a UI element? My other option is to store the model QObject instance as a global variable in "Qt.<name>" but that is not a nice solution.

Highlighted
Developer
Posts: 6,152
Registered: ‎07-05-2012
My Device: Playbook, Dev Alpha C, Z10 LE, Z30
My Carrier: Orange

Re: Use QObject as property in UI element

You need to expose the object you want to use in C++ to QML.

 

Read this to understand how that is done...

 

http://developer.blackberry.com/native/documentation/cascades/dev/integrating_cpp_qml/


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