android - Google Maps Intent - 避开高速公路和收费站？ (安卓)

Question

我到处寻找解决方案，但找不到。基本上我正在尝试启动谷歌地图应用程序以获取某个地方的行车路线。如何添加标志以避开高速公路和收费站？我试过将以下内容附加到我的网址，但无济于事。对于高速公路:

&dirflag=h
&avoid=highways

它会忽略我传递给 Intent 的任何参数。我可以对 google map 应用程序进行 putextra 操作吗？

这是我的网址:

String url = "http://maps.google.com/maps?saddr=" + mylatitude + "," + 
mylongitude + "&daddr=" + 
anotherlat + "," + anotherlong;
if(somethingischecked) {    
url += AVOID_HIGHWAYS_FLAG?
}                   
Intent toMaps = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse(url));

Answer 1

您需要使用“dirflg”参数，而不是“dirflag”。

dirflg=h, Avoid highways.
dirflg=t, Avoid tolls.
dirflg=r, Public transit but it only works in some areas.
dirflg=w, Walking but still in beta.
dirflg=b, Biking  but only works in some areas and still in beta.

例如，如果你想避开高速公路:

String url = "http://maps.google.com/maps?saddr=" + lat_A+ "," + lng_B + "&daddr=" + lat_B + "," + lng_B + "&dirflg=h";

如果您想同时避开高速公路和收费站:

String url = "http://maps.google.com/maps?saddr=" + lat_A+ "," + lng_B + "&daddr=" + lat_B + "," + lng_B + "&dirflg=h,t";