iphone - 自定义后退按钮图像在导航栏上不起作用

Question

我创建了一个自定义导航后退按钮。但是当我添加此代码时，我的后退动画不起作用，并且会以动画方式返回。为什么？我认为这取决于我的@selector 操作。

- (void)viewDidLoad {


    UIButton *button =  [UIButton buttonWithType:UIButtonTypeCustom];
    [button setImage:[UIImage imageNamed:@"goback.png"] forState:UIControlStateNormal];
    [button addTarget:self action:@selector(//HERE ! i don't know put what thing !) forControlEvents:UIControlEventTouchUpInside];
    [button setFrame:CGRectMake(0, 0, 32, 32)];
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:button];
}

Answer 1

好的，我创建了一个函数并且工作正常:D:

-(void)pushNav {
[self.navigationController popViewControllerAnimated:YES];  
}