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ViewController.swift
/*
* Copyright 2017 Google Inc. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
import UIKit
import GooglePlaces
class ViewController: UIViewController {
// Declare UI elements.
@IBOutlet weak var address_line_1: UITextField!
@IBOutlet weak var address_line_2: UITextField!
@IBOutlet weak var city: UITextField!
@IBOutlet weak var state: UITextField!
@IBOutlet weak var postal_code_field: UITextField!
@IBOutlet weak var country_field: UITextField!
@IBOutlet weak var button: UIButton!
// Declare variables to hold address form values.
var street_number: String = ""
var route: String = ""
var neighborhood: String = ""
var locality: String = ""
var administrative_area_level_1: String = ""
var country: String = ""
var postal_code: String = ""
var postal_code_suffix: String = ""
// Present the Autocomplete view controller when the user taps the search field.
@IBAction func autocompleteClicked(_ sender: UIButton) {
let autocompleteController = GMSAutocompleteViewController()
autocompleteController.delegate = self
// Set a filter to return only addresses.
let addressFilter = GMSAutocompleteFilter()
addressFilter.type = .address
autocompleteController.autocompleteFilter = addressFilter
present(autocompleteController, animated: true, completion: nil)
}
// Populate the address form fields.
func fillAddressForm() {
address_line_1.text = street_number + " " + route
city.text = locality
state.text = administrative_area_level_1
if postal_code_suffix != "" {
postal_code_field.text = postal_code + "-" + postal_code_suffix
} else {
postal_code_field.text = postal_code
}
country_field.text = country
// Clear values for next time.
street_number = ""
route = ""
neighborhood = ""
locality = ""
administrative_area_level_1 = ""
country = ""
postal_code = ""
postal_code_suffix = ""
}
}
extension ViewController: GMSAutocompleteViewControllerDelegate {
// Handle the user's selection.
func viewController(_ viewController: GMSAutocompleteViewController, didAutocompleteWith place: GMSPlace) {
// Print place info to the console
print("Place name: \(place.name ?? "")")
print("Place address: \(place.formattedAddress ?? "")")
print("Place attributions: \(String(describing: place.attributions))")
// Get the address components.
if let addressLines = place.addressComponents {
// Populate all of the address fields we can find.
for field in addressLines {
switch field.type {
case kGMSPlaceTypeStreetNumber:
street_number = field.name
case kGMSPlaceTypeRoute:
route = field.name
case kGMSPlaceTypeNeighborhood:
neighborhood = field.name
case kGMSPlaceTypeLocality:
locality = field.name
case kGMSPlaceTypeAdministrativeAreaLevel1:
administrative_area_level_1 = field.name
case kGMSPlaceTypeCountry:
country = field.name
case kGMSPlaceTypePostalCode:
postal_code = field.name
case kGMSPlaceTypePostalCodeSuffix:
postal_code_suffix = field.name
// Print the items we aren't using.
default:
print("Type: \(field.type), Name: \(field.name)")
}
}
}
// Call custom function to populate the address form.
fillAddressForm()
// Close the autocomplete widget.
self.dismiss(animated: true, completion: nil)
}
func viewController(_ viewController: GMSAutocompleteViewController, didFailAutocompleteWithError error: Error) {
// TODO: handle the error.
print("Error: ", error.localizedDescription)
}
func wasCancelled(_ viewController: GMSAutocompleteViewController) {
dismiss(animated: true, completion: nil)
}
// Show the network activity indicator.
func didRequestAutocompletePredictions(_ viewController: GMSAutocompleteViewController) {
UIApplication.shared.isNetworkActivityIndicatorVisible = true
}
// Hide the network activity indicator.
func didUpdateAutocompletePredictions(_ viewController: GMSAutocompleteViewController) {
UIApplication.shared.isNetworkActivityIndicatorVisible = false
}
}
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