title: How to find whether the device in same location or moving in Android?
body: <p>In Android, I am getting locations for every 30 seconds by GPS  using alarm manager. I want to detect whether the device is traveling or presence at same location using geopoints. 
  If the device in same location GPS getting some times accurate data some times getting approximate data at the time 20 or 30 meter away from accurate location displaying on map.</p>
  
  <p>So it's getting problem on finding device traveling.</p>
  
  <p>How to find device is not traveling?</p>