nth-commit / android-navigation_lib Goto Github PK

When the GPS signal is outputting signals that are jumping around, we should resignal heading off path in the navigation state (and thus reset the heading off path start time) when the position jumps from the left of the road, to the right, and vice-versa.

http://stackoverflow.com/questions/1560492/how-to-tell-whether-a-point-is-to-the-right-or-left-side-of-a-line

Hello can i ask some question for you , What is this lib do?and how to use it ?
can you write some simple example??

Currently I want to make a navigation application on android
I have parse out this json data
Ex:London, United Kingdom to Cambridge, UK by bicycle

In the json data , there is a field called "maneuver"
this field can tell user turn right,turn left,straight etc...

My problem is

How can i make the screen display to the user in the right "maneuver" at the right time??
for example :
(1) Begin

               User location
               ↓
               X
Start Location O-----------------------O
                                       |
                                       |
                                       |

(2) User keep going

                                     User location
                                     ↓
                                     X
Start Location O-----------------------O
                                       |
                                       |
                                       |
Can this lib remind the user at the right time tell user to turn right

So ,
1.Can this lib support navigation ??
2.Can this lib tell me when should i trun right or turn left
(User 's location is dynamic )

Thanks you