1 // 去掉导航栏下面的 分割线
2 if ([self.navigationController.navigationBar respondsToSelector:@selector( setBackgroundImage:forBarMetrics:)]){
3 NSArray *list=self.navigationController.navigationBar.subviews;
4 for (id obj in list) {
5 if ([obj isKindOfClass:[UIImageView class]]) {
6 UIImageView *imageView=(UIImageView *)obj;
7 NSArray *list2=imageView.subviews;
8 for (id obj2 in list2) {
9 if ([obj2 isKindOfClass:[UIImageView class]]) {
10 UIImageView *imageView2=(UIImageView *)obj2;
11 imageView2.hidden=YES;
12 }
13 }
14 }
15 }
16 }
17
18 //最简洁的去除导航栏分割线
[self.navigationController.navigationBar setShadowImage:[[UIImage alloc] init]];
19
20 self.automaticallyAdjustsScrollViewInsets = NO;
21 self.edgesForExtendedLayout = UIRectEdgeTop; // 顶部开始
22 self.navigationController.navigationBar.translucent = YES; // 导航栏透明
23 [self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"barpic1"] forBarMetrics:UIBarMetricsDefault]; // 添加背景颜色（图片）（主要的 如果要把导航栏设置成透明的··用一张透明的图片就好了）
24 //设置导航栏文字为白色
25 self.navigationController.navigationBar.titleTextAttributes=[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor],UITextAttributeTextColor, nil];
26 //设置后退按钮为白色
27 [self.navigationController.navigationBar setTintColor:[UIColor whiteColor]];
28 //设置后退按钮统一为返回
29 UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:UIBarButtonItemStylePlain target:nil action:nil];
30 self.navigationItem.backBarButtonItem = item;
