添加右滑返回

keyBoard/Class/Base/VC/BaseNavigationController.m

@@ -7,7 +7,7 @@
 
 #import "BaseNavigationController.h"
 
-@interface BaseNavigationController ()
+@interface BaseNavigationController () <UIGestureRecognizerDelegate>
 
 @end
 
@@ -26,6 +26,12 @@
     if (@available(iOS 14.0, *)) {
         self.navigationBar.topItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;
     }
+
+    // 统一开启“边缘右滑返回”（interactivePopGestureRecognizer 在自定义导航栏/隐藏系统导航栏场景下可能失效）
+    if (self.interactivePopGestureRecognizer) {
+        self.interactivePopGestureRecognizer.delegate = self;
+        self.interactivePopGestureRecognizer.enabled = YES;
+    }
 }
 
 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated{
@@ -41,6 +47,15 @@
     [super pushViewController:viewController animated:animated];
 }
 
+#pragma mark - UIGestureRecognizerDelegate
+
+- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {
+    if (gestureRecognizer == self.interactivePopGestureRecognizer) {
+        return self.viewControllers.count > 1;
+    }
+    return YES;
+}
+
 /// Push 一个 VC，若栈中已存在相同 class 的 VC，则先移除旧的再 push 新的。
 - (void)kb_pushViewControllerRemovingSameClass:(UIViewController *)viewController
                                        animated:(BOOL)animated {