BaseNavigationViewController

#import "BaseNavigationViewController.h"

 

@interface BaseNavigationViewController ()<UINavigationControllerDelegate>

 

@end

 

@implementation BaseNavigationViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    self.delegate = self;

}

 

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

-(void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {

    if (self.viewControllers.count > 1) {

        _leftButton = [UIButton buttonWithType:UIButtonTypeCustom];

        [_leftButton setBackgroundImage:[UIImage imageNamed:@"user_icon_arrow_left_red"] forState:UIControlStateNormal];

        _leftButton.frame = CGRectMake(0, 0, 24, 20);

        [_leftButton addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];

        UIBarButtonItem *left = [[UIBarButtonItem alloc ] initWithCustomView:_leftButton];

        viewController.navigationItem.leftBarButtonItem = left;

    }

}

- (void)navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated {

    if (self.viewControllers.count > 1) {

        self.interactivePopGestureRecognizer.delegate = (id)viewController;

    }

}

-(void)backAction

{

    [self popViewControllerAnimated:YES];

}