Android：预加载网页，然后显示全屏

For my Android app, I want to load a full web page in the background, then when it is ready show it in a full-screen view. In other words, I want to show a fully-loaded web page without having the user sit through a "loading" screen. Furthermore, I want to wait an arbitrary time, and not just show the page as soon as it's loaded.For my Android app, I want to load a full web p