iOS 一级页面进行系统右滑返回，导致整个app卡死

 app一级页面，再返回没有任何相关的页面，由于这个原因造成页面卡死，所以现在在一级页面分别添加禁用和开启右滑返回手势。

//在一级界面显示出来后取消右滑手势

- (void)viewDidAppear:(BOOL)animated {

    [superviewDidAppear:animated];

    [self cancelSideBack];

}

//在一级界面消失后开启右滑手势

- (void)viewDidDisappear:(BOOL)animated {

    [superviewDidDisappear:animated];

    [self startSideBack];

}

//关闭ios右滑返回

-(void)cancelSideBack {

    self.isCanUseSideBack = NO;

    if([self.navigationControllerrespondsToSelector:@selector(interactivePopGestureRecognizer)]) {

        self.navigationController.interactivePopGestureRecognizer.delegate=(id)self;

    }

}

//开启ios右滑返回

-(void)startSideBack {

    self.isCanUseSideBack=YES;

    if([self.navigationControllerrespondsToSelector:@selector(interactivePopGestureRecognizer)]) {

        self.navigationController.interactivePopGestureRecognizer.delegate = nil;

    }

}

//当在第一级界面右滑时会返回 YES，因为可能你已经push过了然后又pop回来，以至于右滑被关闭，所以需要设置为 YES

-(BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer*)gestureRecognizer {

    return self.isCanUseSideBack;

}

原文链接：https://www.jianshu.com/p/4e3396f990da