Hi,
I use the GPS library for my app.
My app is for car tablets to check speed and period service.
There is a problem.
I try show car speed on the label, but that is wrong value why?
My car is moving 40km per hour but my the app show 10 km per hour
I use the GPS library for my app.
My app is for car tablets to check speed and period service.
There is a problem.
I try show car speed on the label, but that is wrong value why?
My car is moving 40km per hour but my the app show 10 km per hour
