iOS 右滑动pop界面禁用手势

```

- (void)viewDidAppear:(BOOL)animated

{

[super viewDidAppear:animated];

// 禁用 iOS7 返回手势

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

self.navigationController.interactivePopGestureRecognizer.enabled = NO;

}

}

- (void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

// 开启

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

self.navigationController.interactivePopGestureRecognizer.enabled = YES;

}

}

```