Google map ction API only supports three kinds of travel mode (driving, walk, and bicycle), and does not open the travel mode "". Therefore, it is impossible to obtain the route of mass transportation.
Ref links:
Http://maps.google.com.hk/intl/zh-TW/landing/transit/text.html#ymd
Http://stackoverflow.com/questions/8629982/google-maps-directions-in-xml-public-transit
Http://www.javaworld.com.tw/jute/post/view? Bid = 26 & id = 264106
Http://stackoverflow.com/questions/2689542/how-to-get-google-maps-public-transit-directions-by-http-server-side-request
Http://www.blueshop.com.tw/board/show.asp? Subcde = brd201104152345387h4 & fumcde = fum20041006152641olg
Http://www.google.com/support/forum/p/maps/thread? Tid = 2064c5a6d9c17a79 & HL = ZH-TW
Since there is no API for "public transportation", your Android app can call the browser or android map app through the intent method ), see the first two links below:
Http://marshal.easymorse.com/archives/2591
Http://itpower.blueshop.com.tw /? P = 345
Http://stackoverflow.com/questions/1056984/open-google-maps-to-bus-directions
Http://stackoverflow.com/questions/2853017/android-google-directions
Http://maps.google.com/maps? Saddr = Mongkok + HK & daddr = luowu + HK & dirflg = r