如何以编程方式创建导航控制器的后退按钮?
解决方法
在 – (void)loadView或类似的:
- UIBarButtonItem *btn = [[UIBarButtonItem alloc] initWithTitle:@"back" style:UIBarButtonItemStyleBordered target:self action:@selector(backPressed:)];
- self.navigationItem.leftBarButtonItem = btn;
- [btn release];
- -(void)backPressed: (id)sender
- {
- [self.navigationController popViewControllerAnimated: YES]; // or popToRoot... if required.
- }