Android代码 在顶部显示的 Snackbar

Top Snackbar Show a Snackbar from the top. A big thanks to https://github.com/ejohansson, https://github.com/antoninovitale, https://github.com/hansonchris and everyone that took the time to make pull requests. Icons support: Installation (app's build.gradle): compile 'com.androidadvance:topsnac