Fix crash on exit which was caused by trying to delete the QQmlApplicationEngine. I still unsure about the reason of the crash...

ScreenPlay/app.cpp

@@ -13,7 +13,7 @@ App::App()
     qRegisterMetaType<GlobalVariables*>();
     qRegisterMetaType<ScreenPlayManager*>();
     qRegisterMetaType<Create*>();
-     qRegisterMetaType<Util*>();
+    qRegisterMetaType<Util*>();
     qRegisterMetaType<SDKConnector*>();
     qRegisterMetaType<Settings*>();
 
@@ -21,11 +21,9 @@ App::App()
     qRegisterMetaType<InstalledListFilter*>();
     qRegisterMetaType<MonitorListModel*>();
     qRegisterMetaType<ProfileListModel*>();
-}
 
-void App::init()
-{
     QGuiApplication::setWindowIcon(QIcon(":/assets/icons/favicon.ico"));
+
     // Qt < 6.0 needs this init QtWebEngine
     QtWebEngine::initialize();
 
@@ -36,24 +34,19 @@ void App::init()
     m_profileListModel = make_shared<ProfileListModel>(m_globalVariables);
     m_sdkConnector = make_shared<SDKConnector>();
     m_settings = make_shared<Settings>(m_globalVariables);
+    m_create = make_shared<Create>(m_globalVariables);
+    m_util = make_shared<Util>(new QNetworkAccessManager(this));
+    m_screenPlayManager = make_shared<ScreenPlayManager>(m_globalVariables, m_monitorListModel, m_sdkConnector);
+
     QObject::connect(m_settings.get(), &Settings::resetInstalledListmodel, m_installedListModel.get(), &InstalledListModel::reset);
-
-    m_create = std::make_shared<Create>(m_globalVariables);
-
-    mainWindowEngine = std::make_unique<QQmlApplicationEngine>();
-    m_util = std::make_shared<Util>(mainWindowEngine->networkAccessManager());
-
-    m_screenPlayManager = std::make_shared<ScreenPlayManager>(m_globalVariables, m_monitorListModel, m_sdkConnector);
-
-    mainWindowEngine->load(QUrl(QStringLiteral("qrc:/main.qml")));
-
     // Instead of setting "renderType: Text.NativeRendering" every time
     // we can set it here once :)
     QQuickWindow::setTextRenderType(QQuickWindow::TextRenderType::NativeTextRendering);
 
-    // Set visible if the -silent parameter was not set
-    if (!QGuiApplication::instance()->arguments().contains("-silent")) {
-        m_settings->setMainWindowVisible(true);
-    }
+
+
+
     m_installedListModel->init();
+
 }
+

ScreenPlay/app.h

@@ -24,7 +24,9 @@
 #include "src/settings.h"
 #include "src/util.h"
 
-using std::make_shared,
+using std::make_unique,
+    std::unique_ptr,
+    std::make_shared,
     std::shared_ptr,
     ScreenPlay::Util,
     ScreenPlay::InstalledListModel,
@@ -53,7 +55,6 @@ class App : public QObject {
 
 public:
     explicit App();
-    void init();
 
     static App* instance()
     {
@@ -212,14 +213,12 @@ public slots:
         emit sdkConnectorChanged(m_sdkConnector.get());
     }
 
-
 private:
-    std::unique_ptr<QQmlApplicationEngine> mainWindowEngine;
+    shared_ptr<Create> m_create;
+    shared_ptr<ScreenPlayManager> m_screenPlayManager;
+    shared_ptr<Util> m_util;
 
     shared_ptr<GlobalVariables> m_globalVariables;
-    shared_ptr<ScreenPlayManager> m_screenPlayManager;
-    shared_ptr<Create> m_create;
-    shared_ptr<Util> m_util;
     shared_ptr<Settings> m_settings;
     shared_ptr<SDKConnector> m_sdkConnector;
 

ScreenPlay/main.cpp

@@ -4,9 +4,6 @@
 
 int main(int argc, char* argv[])
 {
-    // Needs to be created before
-    App* app = App::instance();
-
     QGuiApplication qtGuiApp(argc, argv);
 
     qmlRegisterSingletonType<App>("ScreenPlay", 1, 0, "ScreenPlay", [](QQmlEngine* engine, QJSEngine*) -> QObject* {
@@ -14,7 +11,13 @@ int main(int argc, char* argv[])
         return App::instance();
     });
 
-    app->init();
+    QQmlApplicationEngine m_mainWindowEngine;
+    m_mainWindowEngine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+    // Set visible if the -silent parameter was not set
+    if (!QGuiApplication::instance()->arguments().contains("-silent")) {
+        App::instance()->settings()->setMainWindowVisible(true);
+    }
 
     return qtGuiApp.exec();
 }