UITabBarController*tabBarController =(UITabBarController*) self.window.rootViewController;
UITabBar*tabBar = tabBarController.tabBar;
for(UITabBarItem*item in tabBar.items)
{
UIImage*image = item.image;
UIImage*correctImage =[image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
item.image = correctImage;
}
[[UITabBar appearance] setTintColor:[UIColor whiteColor]];
[[UITabBar appearance] setSelectedImageTintColor:[UIColor colorWithRed:44.0/255.0 green:176.0/255.0 blue:28.0/255.0 alpha:1.0]];
[[UITabBar appearance] setBarTintColor:[UIColor colorWithRed:51.0/255.0 green:51.0/255.0 blue:51.0/255.0 alpha:1.0]];