【代碼筆記】自訂導航條顏色，筆記自訂導航條

【代碼筆記】自訂導航條顏色，筆記自訂導航條

一，。

二，工程圖。

三，代碼。

AppDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];    // Override point for customization after application launch.        RootViewController *rootVC=[[RootViewController alloc]init];    UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:rootVC];       // UIBarMetricsDefault:用豎著（拿手機）時UINavigationBar的標準的尺寸來顯示UINavigationBar.    //UIBarMetricsLandscapePhone:用橫著時UINavigationBar的標準尺寸來顯示UINavigationBar    [nav.navigationBar setBackgroundImage:[UIImage imageNamed:@"1.jpg"] forBarMetrics:UIBarMetricsDefault];        self.window.rootViewController=nav;                self.window.backgroundColor = [UIColor whiteColor];    [self.window makeKeyAndVisible];    return YES;}