http://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.space.trim=1&foreground.space.pad=0&foreColor=607d8b%2C0&crop=0&backgroundShape=square&backColor=ffffff%2C100&effects=none
Android icon
原文：http://www.cnblogs.com/godcok/p/5044823.html
