Description：
Use Volley(Android HTTP library) to get Taipei Open Data(Taipei Metro Information),show data with RecyclerView and CardView.
Blog Article(Chinese):https://solinariwu.blogspot.tw/2017/04/android-volleyhttp-request.html
Taipei Open Data(Taipei Metro Information)：http://data.taipei/opendata/datalist/datasetMeta?oid=6556e1e8-c908-42d5-b984-b3f7337b139b
Reference:
https://developer.android.com/training/volley/simple.html#send