UINavigationController 常用代码

设置半透明效果是否开启

[[self.navigationController navigationBar]setTranslucent:NO]; //YES 开启

设置背景颜色

[[self.navigationController navigationBar]setTranslucent:NO];
[[self.navigationController navigationBar]setTintColor:[UIColor redColor]];
[[self.navigationController navigationBar]setBarTintColor:[UIColor blueColor]];

取消返回按钮文本

取消返回按钮文字,只保留返回箭头,将如下代码加到 AppDelegate didFinishLaunchingWithOptions 方法中

[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60)
 forBarMetrics:UIBarMetricsDefault];

取消全透明时底部1像素直线

将如下代码加到 AppDelegate didFinishLaunchingWithOptions 方法中

[[UINavigationBar appearance] setBackgroundImage:[[UIImage alloc] init]
                                  forBarPosition:UIBarPositionAny
                                      barMetrics:UIBarMetricsDefault];
    [[UINavigationBar appearance] setShadowImage:[[UIImage alloc] init]];