code: private long getAllowedDate() {
          if (mSharedPreferences == null) {
              mSharedPreferences = mContext
                      .getSharedPreferences(PREFERENCES_GEOCODER, Context.MODE_PRIVATE);
              mAllowedDate = mSharedPreferences.getLong(KEY_ALLOW, 0);
          }
          return mAllowedDate;
      }
docs: Returns date after which the next geocoding query is allowed
  
  @return date after which the next geocoding query is allowed