参考：http://kashiv.com/2012/05/17/create-a-twitter-like-uitabbar-using-uiappearance-proxy/
首先在AppDelegate.m中加入： [[UITabBar appearance] setBackgroundImage:[UIImage imageNamed:@”YourCustomBkgImage.png”]]; [[UITabBar appearance] setSelectionIndicatorImage:[UIImage imageNamed:@”YourCustomSelectionIndicator.png”]]; [[UITabBarItem appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys: [UIColor colorWithWhite:0.5 alpha:1], UITextAttributeTextColor, [UIColor blackColor], UITextAttributeTextShadowColor, nil] forState:UIControlStateNormal]; [[UITabBarItem appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys: [UIColor colorWithWhite:0.85 alpha:1], UITextAttributeTextColor, [UIColor blackColor], UITextAttributeTextShadowColor, nil] forState:UIControlStateSelected]; 然后在每个viewcontroller中加入： [self.tabBarItem setFinishedSelectedImage:[UIImage imageNamed:@”tab_image-selected.png”] withFinishedUnselectedImage:[UIImage imageNamed:@”tab_image.png”]]; 最后的样式为：
