IOS 自定义返回按钮 滑动返回假死解决方法

1、自定义返回按钮

2、添加滑动返回操作后出现假死现象

- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    // 滑动返回    self.interactivePopGestureRecognizer.enabled = YES;    self.interactivePopGestureRecognizer.delegate = self;}

- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {    return self.childViewControllers.count > 1;}