How to get the previous viewcontroller that pushed my current view

Question

The home page of my app has UIButtons, btnIncome and btnExpense. Pressing on this buttons pushes IncomeVC and Expen

Answer 1

Swift

extension UINavigationController {
    func getPreviousViewController() -> UIViewController? {
        let count = viewControllers.count
        guard count > 1 else { return nil }
        return viewControllers[count - 2]
    }
}