ios7自定义返回按钮后，右滑返回功能失效解决方法

http://blog.sina.com.cn/s/blog_9592635a0101fuk9.html

-(void)viewWillAppear:(BOOL)animated{

    [super viewWillAppear:animated];

    //开启ios右滑返回

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

        self.navigationController.interactivePopGestureRecognizer.delegate = nil;

}

}

ios自定义返回按钮

UIBarButtonItem *leftBar = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_SM"] style:UIBarButtonItemStylePlain target:self action:@selector(backUpClick) ];

    leftBar.tintColor = [UIColor whiteColor];

 self.navigationItem.leftBarButtonItem = leftBar;