The sample app enables the user to add a new favorite place by entering an address in
ICFFavoritePlaceViewController. The user can tap Geocode Location Now to get the latitude and longitude, as shown in Figure 2.10.
When the user taps the Geocode Location Now button, the
geocodeLocationTouched: method is called. That method begins by concatenating the address information provided by the user into a single string, like “2100 York St, Denver, CO 80205,” to provide to the geocoder.
NSString *geocodeString = @"";if ([self.addressTextField ...