(Android Window Class (I)? Android's GUI layer is not cluttered. Its clutter is similar to that of layout and dialog based GUIs such as WGUI. It has no comparability with large frameworks such as MFC and QT. Even the Mini GUI of Feiman Wei Yongming is much more clutter than it. You may ask, how does such a simple GUI implement a browser? The reason is simple: browsers have their own GUI. Android browser (WebKi)