Style.xml

 <style name="AppBaseTheme" parent="android:Theme.NoTitleBar">

隐藏了titleBar，

Theme.Holo.Light.NoActionBar.Fullscreen

全屏，也是隐藏了TitleBar

Theme.Translucent

全透明的

Theme.Wallpaper

Home界面作为背景

Theme.Holo.Light/Theme.Light

同是白色的背景，有些控件的样式不一样

Theme.Black 

黑色背景

参考文档： 
Android系统自带样式(@android:style/)
http://blog.csdn.net/hongya1109110121/article/details/11985545

Android UI开发第三十一篇——Android的Holo Theme
http://blog.csdn.net/xyz_lmn/article/details/12000941

Matetial Design

http://developer.android.com/design/material/index.html
Introduction 
http://www.google.com/design/spec/material-design/introduction.html

Creating apps with materials Design

http://developer.android.com/training/material/index.html

android Theme