The back button will never be shown unless the header bar is placed inside an class@NavigationView. Usually, there is no reason to set this to FALSE.
HeaderBar.showBackButton
bool showBackButton() @propertyGet showBackButton property.
Returns
Whether the header bar can show the back button.
void showBackButton(bool propval) @propertySet showBackButton property.
Parameters
propval | Whether the header bar can show the back button. The back button will never be shown unless the header bar is placed inside an class@NavigationView. Usually, there is no reason to set this to FALSE. |