add permission to 'access fine location'
init a LocationManager and get the best location
add onResume and onPause methods to update location
MainActivity will implement LocationListener
fix compile error
fix compile error adding the missing method and more on Lugares
add new view to show distance
computes distance and shows it in the former view
check for null a new location
refactor : extract method
new application to use google maps api v2 for android. still working on it