改变NavgationBar的颜色:
[[UINavigationBar appearance] setBarTintColor:[UIColor blackColor]];
改变NavgationBar背景:
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"tabbar1_bg.png"] forBarMetrics:UIBarMetricsDefault];
改变NavgationBar的颜色:
[[UINavigationBar appearance] setBarTintColor:[UIColor blackColor]];
改变NavgationBar背景:
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"tabbar1_bg.png"] forBarMetrics:UIBarMetricsDefault];