iOS - 启用与禁用滑动返回手势

• 禁用手势返回

- (void)viewDidAppear:(BOOL)animated  
{  
    [super viewDidAppear:animated];  
    // 禁用返回手势  
    if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {  
        self.navigationController.interactivePopGestureRecognizer.enabled = NO;  
    }  
}  

• 如果需要在其他界面继续使用滑动返回手势则再添加如下代码

- (void)viewWillDisappear:(BOOL)animated  
{  
    [super viewWillDisappear:animated];  
    // 开启返回手势  
    if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {  
        self.navigationController.interactivePopGestureRecognizer.enabled = YES;  
    }  
}