如何更改默认导航项颜色

Question

我有一个导航栏，我想将其左项默认颜色更改为白色。

我想要蓝白色

我想以编程方式完成此操作。  目前我正在使用此代码更改导航栏的颜色和标题

FileOutputStream

Answer 1

在AppDelegate.m中使用此代码：

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // set Navigation button color
    [[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];
}

Answer 2

希望以下代码对您有所帮助

- (void) viewWillAppear:(BOOL)animated{
    self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
}

Answer 3

您可以添加以下代码行

self.navigationController.navigationBar.barTintColor = bg;//you are setting for entire navigation bar
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];//setting the buttons tint color

希望它可以帮助你......！

Answer 4

将此添加到AppDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
   [[UIBarButtonItem appearanceWhenContainedIn:[UINavigationBar class], nil] setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]} forState:UIControlStateNormal];
}