PositionSource remains inactive on android

    PositionSource {
        id: ps
        updateInterval: 1000
        active: true

        function posToString(pos)
        {
            if ((pos).isValid)
                return (pos).latitude.toFixed(4) + ", " + (pos).longitude.toFixed(4)
            else
                return "Unknown"
        }

        function posString() {
            return posToString(ps.position.coordinate)
        }


        Component.onCompleted: {
            console.log("PositionSource error: ", errorString, (ps.sourceError === PositionSource.NoError), (ps.active === true))
        }

        property string errorString : errorEnumToString(ps.sourceError)

        onSourceErrorChanged: {
                errorString = errorEnumToString(ps.sourceError)
                console.log("PositionSource error: ", errorString, (ps.sourceError === PositionSource.NoError), (ps.active === true))
        }

        function errorEnumToString(enu)
        {
            var errString = "";
            if (sourceError === PositionSource.NoError)
                errString = "NoError"
            else if (sourceError === PositionSource.AccessError)
                errString = "AccessError"
            else if (sourceError === PositionSource.ClosedError)
                errString = "ClosedError"
            else if (sourceError === PositionSource.UnknownSourceError)
                errString = "UnknownSourceError"
            else if (sourceError === PositionSource.SocketError)
                errString = "SocketError"
            return errString
        }
    }