ios 禁用 侧边手势滑动返回功能

1. - (void)viewDidAppear:(BOOL)animated  
2. {  
3.     [super viewDidAppear:animated];  
4.   
5.     // 禁用  返回手势  
6.     if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {  
7.         self.navigationController.interactivePopGestureRecognizer.enabled = NO;  
8.     }  
9. }  
10.   
11. - (void)viewWillDisappear:(BOOL)animated  
12. {  
13.     [super viewWillDisappear:animated];  
14.   
15.     // 开启  
16.     if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {  
17.         self.navigationController.interactivePopGestureRecognizer.enabled = YES;  
18.     }  
19. }