QML model-based components have modelData undefined on android

I am trying to deploy my application on Android (version 4), but I have problem with delegates in models - ReferenceError: modelData is not defined.

My code is

MapItemView {
    model: roadModel
    delegate: MapPolyline {
        line.width: 3
        line.color: "red"
        path: [
            modelData.fromWaypoint,
            modelData.toWaypoint
        ]
    }
}

This code should connect two points on Map component.

Everything works on GCC Ubuntu 16, but when I try to deploy it on Android, modelData just stop working and is undefined.

How can I make modelData work again?

Thank you for your help!

modelData is only defined for "dumb" models, the ones without roles like a QStringList, a JavaScript array, an integer, ... It acts like if the model had a single role named modelData

For QAbstractListModel (a custom c++ one, or a ListModel), the model has a list of roles, you use them to access model data in a delegate.

In your case, it should be fromWaypoint or with the model qualifier (model.fromWaypoint) if you want to avoid shadowing and be explicit.

The relevant doc is here : http://doc.qt.io/qt-5/qtquick-modelviewsdata-modelview.html#models