IOS 开启关闭右滑手势返回

//
//  ViewController.m
//
//
//  Created by Fly on 16/5/2.
//  Copyright © 2016年 mac. All rights reserved.
// 右滑返回

@interface YBRLoginViewController : UIViewController

@end


@implementation ViewController

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

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

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    self.navigationController.navigationBarHidden = NO;
    // 开启返回手势
    if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
        self.navigationController.interactivePopGestureRecognizer.enabled = YES;
    }
}

@end