CNLiveBaseNavigationController.swift
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//
// CNLiveBaseNavigationController.swift
// metaCode
//
// Created by open on 2023/6/7.
//
import Foundation
class CNLiveBaseNavigationController : UINavigationController,UINavigationControllerDelegate {
override func viewDidLoad() {
super.viewDidLoad()
//下面注释的代码会影响push ,暂时注释
// guard let targets = interactivePopGestureRecognizer?.value(forKey: "_targets") as? [NSObject] else {return}
// let targetObjc = targets[0]
// let target = targetObjc.value(forKey: "target")
// let action = Selector(("handleNavigationTransition:"))
//
// let panges = UIPanGestureRecognizer(target: target, action: action)
// view.addGestureRecognizer(panges)
self.interactivePopGestureRecognizer?.delegate = self //侧滑返回
self.delegate = self as UINavigationControllerDelegate
}
// MARK: - <UIGestureRecognizerDelegate>
// 什么时候调用：每次触发手势之前都会询问下代理，是否触发。
// 作用：拦截手势触发,手势识别器对象会调用这个代理方法来决定手势是否有效
override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
return viewControllers.count > 1
}
func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) {
}
func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
if navigationController.viewControllers.count > 1 {
self.interactivePopGestureRecognizer?.isEnabled = true
}else {
self.interactivePopGestureRecognizer?.isEnabled = false
}
}
/// 重写push方法的目的 : 拦截所有push进来的子控制器
override func pushViewController(_ viewController: UIViewController, animated: Bool) {
if (self.children.count > 0 ) {
// 隐藏底部的工具条
viewController.hidesBottomBarWhenPushed = true
}
// 所有设置搞定后, 再push控制器
super.pushViewController(viewController, animated: animated)
}
@objc func ClickBackBtn() {
self.popViewController(animated: true)
}
}