The UIViewController class provides built-in support for loading a view controller's views whenever they are needed. Specifically, views are automatically loaded when the view property is accessed. There are a few ways you can implement your app to l
Webview的几个关键方法要介绍一些: 谷歌官方文档是这么说的; A WebView has several customization points where you can add your own behavior. These are: Creating and setting a WebChromeClient subclass. This class is called when something that might impact a browser UI happens,