setInterval(period);
mil second
PRIORITY_BALANCED_POWER_ACCURACY
PRIORITY_HIGH_ACCURACY
PRIORUTY_LOW_POWER
PRIORITY_NO_POWER
steps to use Location Services
1. create a GoogleApiClient
that uses the Location Services API
2. Extend activity with the GoogleApiClientConnectionCallbacks
callbacks
3. Extend activity with the GoogleApiClient.OnConnectionFailedListener
Listener in case the connection fails
4. Extend activity with the LocationListener
listener for lacation updates
5. After connecting the GoogleApiClient
wait for the onConnected
callback
6. In this callback, set up onLocationChanged
callback, and in this can capture location information
