我有一架UINavigationController。 我用推力电算机推向 st。 以前的观点控制器有一个只称为“Cancel”的BarButtonItem。
虽然新观点正确地显示,在我主宰Cancel时,航行会像这种观点被人满为患一样,但新观点却消失。 我是否需要在某个地方执行代表?
为此,
先创建<条码> 构造 项目,根据惯例,考虑到<条码>,tButton 项目。
• 考虑将目标活动瞄准浏览控制器。
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(0, 0, 35, 35);
[button setImage:[UIImage imageNamed:@"dots.png"] forState:UIControlStateNormal];
[button addTarget:self action:@selector(backBarButton:) forControlEvents:UIControlEventTouchUpInside];
<代码>BarButton 项目* 项目内容]
http://www.un.org/www.un.org。
- (void)backBarButton:(id)sender {
NSLog(@"%s", __FUNCTION__);
self.navigationController.navigationBarHidden = YES;
[self.navigationController popViewControllerAnimated:YES];
}
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