@interface EYNavigationController ()
@end
@implementation EYNavigationController
-
(void)initialize
{
if (self == [EYNavigationController class]) {//隐藏导航栏分割线 [[UINavigationBar appearance] setShadowImage:[UIImage new]]; //设置导航栏背景颜色 [UINavigationBar appearance].barTintColor=kNavBackColor; //设置导航栏标题 大小 颜色 NSDictionary * navigationTitleAttDic = @{NSFontAttributeName:[UIFont systemFontOfSize:18],NSForegroundColorAttributeName:UIColorFromRGB(74,74,74)}; [[UINavigationBar appearance] setTitleTextAttributes:navigationTitleAttDic];}
}
-
(void)viewDidLoad {
[super viewDidLoad];self.navigationBar.translucent=NO;
}
-
(void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
if (self.viewControllers.count > 0) { // 此时push进来的viewController是第二个子控制器
// 自动隐藏tabbar
viewController.hidesBottomBarWhenPushed = YES;if (viewController.navigationItem.leftBarButtonItem == nil) { UIImage * backImage =[[UIImage imageNamed:@"ic_back"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; viewController.navigationItem.leftBarButtonItem =[[UIBarButtonItem alloc] initWithImage:backImage style:UIBarButtonItemStylePlain target:self action:@selector(popself)]; }}
// 调用父类pushViewController，self.viewControllers数组添加对象viewController
[super pushViewController:viewController animated:animated];
} (void)popself
{
// 这里要用self，不能用self.navigationViewController，因为self本身就是导航控制器对象，self.navigationViewController是nil
[self popViewControllerAnimated:YES];
}
