iOS7 navigationbar Color properties

How to change iOS7 navigationbar color

self.navigationController.navigationBar.barTintColor = [UIColor blackColor]; self.navigationController.navigationBar.tintColor = [UIColor whiteColor]; [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}];
self.navigationController.navigationBar.translucent = NO;