iOS學習之 導航欄

if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) {        
        // Load resources for iOS 6.1 or earlier        
self.navigationController.navigationBar.tintColor = [UIColor brownColor];    
} else {        
        // Load resources for iOS 7 or later       
 self.navigationController.navigationBar.barTintColor = [UIColor brownColor];    
}