making it work

main.cpp

@@ -10,20 +10,29 @@ int main(int argc, char *argv[])
     QGuiApplication app(argc, argv);
 
     NetworksModel model;
+    qDebug() << "now has " << model.rowCount() << Qt::endl;
 
-    QQuickView view;
-    view.setResizeMode(QQuickView::SizeRootObjectToView);
-    view.setInitialProperties({{"networksModel", QVariant::fromValue(&model)}});
-    view.setSource(QUrl("qrc:/wifipicker/Main.qml"));
-    view.show();
+    QQmlApplicationEngine engine;
+    const QUrl url(u"qrc:/wifipicker/Main.qml"_qs);
+    QObject::connect(
+        &engine,
+        &QQmlApplicationEngine::objectCreationFailed,
+        &app,
+        []() { QCoreApplication::exit(-1); },
+        Qt::QueuedConnection);
+    engine.load(url);
 
-    if (!view.rootObject())
+
+    QObject *rootObject = engine.rootObjects().first();
+    if (!rootObject)
     {
-        qDebug() << "No root object found" << Qt::endl;
+        qDebug() << "Problem in finding root object" << Qt::endl;
         return -1;
     }
 
-    QObject *rootObject = view.rootObject();
+    engine.setInitialProperties({{"model", QVariant::fromValue(&model)}});
+    rootObject->setProperty("model", QVariant::fromValue(&model));
+
     QObject::connect(rootObject, SIGNAL(scanNetworks()), &model, SLOT(scan()));