https://www.zhihu.com/question/28816900
http://trendingcocoapods.github.io/
弹幕: LeoDanmakuKit、OCBarrage
笑脸开关:LLSwitch 、TKSwitcherCollection、Switcher、Switch
按钮切换开关:BetterSegmentedControl
tabBar: ESTabBarController
https://www.zhihu.com/question/28816900
http://trendingcocoapods.github.io/
弹幕: LeoDanmakuKit、OCBarrage
笑脸开关:LLSwitch 、TKSwitcherCollection、Switcher、Switch
按钮切换开关:BetterSegmentedControl
tabBar: ESTabBarController