update

example/src/helper/SettingsHelper.cpp

@@ -19,10 +19,10 @@ void SettingsHelper::save(const QString& key,QVariant val)
     m_settings->setValue(key, data);
 }
 
-QVariant SettingsHelper::get(const QString& key){
+QVariant SettingsHelper::get(const QString& key,QVariant def){
     const QByteArray data = m_settings->value(key).toByteArray();
     if (data.isEmpty()) {
-        return {};
+        return def;
     }
     QDataStream stream(data);
     stream.setVersion(QDataStream::Qt_5_6);

example/src/helper/SettingsHelper.h

@@ -19,15 +19,15 @@ public:
     SINGLETONG(SettingsHelper)
     ~SettingsHelper() override;
     void init(char *argv[]);
-    Q_INVOKABLE void saveRender(const QString& render){save("render",render);}
-    Q_INVOKABLE QString getRender(){return get("render").toString();}
+    Q_INVOKABLE void saveRender(const QVariant& render){save("render",render);}
+    Q_INVOKABLE QVariant getRender(){return get("render");}
     Q_INVOKABLE void saveDarkMode(int darkModel){save("darkMode",darkModel);}
-    Q_INVOKABLE int getDarkMode(){return get("darkMode").toInt(0);}
+    Q_INVOKABLE QVariant getDarkMode(){return get("darkMode",QVariant(0));}
     Q_INVOKABLE void saveVsync(bool vsync){save("vsync",vsync);}
-    Q_INVOKABLE bool getVsync(){return get("vsync").toBool();}
+    Q_INVOKABLE QVariant getVsync(){return get("vsync",QVariant(true));}
 private:
     void save(const QString& key,QVariant val);
-    QVariant get(const QString& key);
+    QVariant get(const QString& key,QVariant def={});
 private:
     QScopedPointer<QSettings> m_settings;
 };