隐藏导航控制器返回按钮旁的文字

 1 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
 2 
 3 {
 4 
 5     if (self.viewControllers.count > 0) {
 6 
 7         // 隐藏返回按钮的文字
 8 
 9         viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithImage:[UIImage imageNamed:@"pull_left_btn"] style:UIBarButtonItemStyleDone target:self action:@selector(back)];
10 
11     }
12 
13     [super pushViewController:viewController animated:YES];
14 
15 }

1 - (void)back
2 
3 {
4 
5     [self popViewControllerAnimated:YES];
6 
7 }

- (void)viewDidLoad {

    [super viewDidLoad];

    // 清空弹出手势的代理，就可以恢复弹出手势

    self.interactivePopGestureRecognizer.delegate = nil;

}