EGYWebViewController 介绍
EGYWebViewController 是 iOS 上的应用内浏览器组件，提供 UIActivity 支持。
EGYWebViewController 特性:
- iPhone- and iPad-specific UIs
- full landscape orientation support
- back, forward, stop/refresh and action buttons
- Actions ( Share Link to [ Facebook, Twitter ] Send Link to [ Mail, CopyToPasteboard] Open Link in [ Safari, Chrome & Crux ] )
- NavigationBar title set to the currently visible web page