Shadow Effect of Android text

<! -- Android: horizontal offset of shadowDx shadow --> <! -- Android: the vertical offset of shadowDy shadow, that is, the distance to move down --> <! -- Android: shadowColor shadow color --> <! -- Android: The shadowRadius shadow range, that is, the transparency and dispersion of shadow. --> <style name = "textViewStyle"> <item name = "android: textStyle "> bold </item> <item name =" android: shadowColor "> # ff0000 </item> <item name =" android: shadowDx "> 50 </item> <item name =" android: shadowDy "> 2 </item> <item name =" android: shadowRadius "> 1 </item> </style>