由于某些原因,我将navigatioController子类化为覆盖pushViewController方法:
-(void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
NSLog(@"Pushing %@ to NavigationController", viewController);
if([[self viewControllers] containsObject:viewController])
{
if( [self topViewController] == viewController )
{
NSLog(@"Pushed ViewController is already on top!");
}
else
{
NSLog(@"Moving Pushed ViewController to top!");
[self popToViewController:viewController animated:animated];
}
}
else
{
[super pushViewController:viewController animated:animated];
}
NSLog(@"NavigationControllers: %@", [self viewControllers]);
}
Everythings工作,但每当我有一行代码,viewcontroller被推送到navigationController我得到一个警告:
Incompatible pointer types sending 'NMROViewController *' to parameter of type 'UIViewController *'
这有点“令人不安”。好的,方法签名需要一个UIVIewController,但它是用我的代码覆盖的“原始”。
我想,必须有一些东西,我不知道“压制”或“避免”警告。
或者我必须生成多种方法!?
提前亲切的问候......
答案 0 :(得分:0)
好的,解决方案就这么简单。我忘了在开头导入正确的.h文件