// component used from https://github.com/jaredrummler/MaterialSpinner
//component used from https://github.com/rengwuxian/MaterialEditText
//component used from https://github.com/rengwuxian/MaterialEditText
//component used from https://github.com/rengwuxian/MaterialEditText
//component used from https://github.com/rengwuxian/MaterialEditText