Em breve, vamos lançar uma nova estilização de mapas na Plataforma Google Maps. Essa atualização da estilização de mapas inclui uma nova paleta de cores padrão e melhorias nas experiências e usabilidade dos mapas. Todos os estilos de mapa vão ser atualizados automaticamente em março de 2025. Para mais informações sobre disponibilidade e como ativar o recurso antes, consulte Novo estilo de mapa para a Plataforma Google Maps.
Exiba/oculte o código Swift para ver informações de trajeto.
/*
* 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 GoogleNavigation
import UIKit
class ViewController: UIViewController {
var mapView: GMSMapView!
var locationManager: CLLocationManager!
override func loadView() {
locationManager = CLLocationManager()
let camera = GMSCameraPosition.camera(withLatitude: 47.67, longitude: -122.20, zoom: 14)
mapView = GMSMapView.map(withFrame: CGRect.zero, camera: camera)
// Show the terms and conditions.
let companyName = "Ride Sharing Co."
GMSNavigationServices.showTermsAndConditionsDialogIfNeeded(
withCompanyName: companyName
) { termsAccepted in
guard termsAccepted else {
// Handle the case when the user rejects the terms and conditions.
return
}
// Enable navigation after the user accepts the terms.
self.mapView.isNavigationEnabled = true
// Request authorization to use location services.
self.locationManager.requestAlwaysAuthorization()
}
self.view = mapView
makeButtons()
}
// Create a route and start guidance.
func startNav() {
var destinations = [GMSNavigationWaypoint]()
destinations.append(
GMSNavigationWaypoint.init(
placeID: "ChIJnUYTpNASkFQR_gSty5kyoUk",
title: "PCC Natural Market")!)
destinations.append(
GMSNavigationWaypoint.init(
placeID: "ChIJJ326ROcSkFQRBfUzOL2DSbo",
title: "Marina Park")!)
mapView.navigator?.setDestinations(destinations) { routeStatus in
guard routeStatus == .OK else {
print("Handle route statuses that are not OK.")
return
}
self.mapView.navigator?.isGuidanceActive = true
self.mapView.cameraMode = .following
self.mapView.locationSimulator?.simulateLocationsAlongExistingRoute()
}
mapView.roadSnappedLocationProvider?.startUpdatingLocation()
}
func getTimeToNextDestination() {
if let navigator = mapView.navigator {
let time = navigator.timeToNextDestination
let minutes = floor(time / 60)
let seconds = round(time - minutes * 60)
print("Time to next destination: \(minutes):\(seconds)")
}
}
func getDistanceToNextDestination() {
if let navigator = mapView.navigator {
let distance = navigator.distanceToNextDestination
let miles = distance * 0.00062137
print("Distance to next destination: \(miles) miles.")
}
}
func getCurrentRouteLeg() {
if let navigator = mapView.navigator {
let currentLeg = navigator.currentRouteLeg
let nextDestination = currentLeg?.destinationWaypoint?.title ?? "Not Available"
let lat = currentLeg?.destinationCoordinate.latitude.description ?? "Not Available"
let lng = currentLeg?.destinationCoordinate.longitude.description ?? "Not Available"
print("Destination: \(nextDestination) at (\(lat),\(lng)")
}
}
func getTraveledPath() {
if let navigator = mapView.navigator {
let latestPath = navigator.traveledPath
if latestPath.count() > 0 {
let begin: CLLocationCoordinate2D = latestPath.coordinate(at: 0)
let current: CLLocationCoordinate2D = latestPath.coordinate(at: latestPath.count() - 1)
print(
"Path from (\(begin.latitude),\(begin.longitude)) to (\(current.latitude),\(current.longitude))"
)
}
}
}
// Add some buttons to the view.
func makeButtons() {
// Start navigation.
let navButton = UIButton(frame: CGRect(x: 5, y: 150, width: 200, height: 35))
navButton.backgroundColor = .blue
navButton.alpha = 0.5
navButton.setTitle("Start navigation", for: .normal)
navButton.addTarget(self, action: #selector(startNav), for: .touchUpInside)
self.mapView.addSubview(navButton)
// Get the time to the next destination.
let timeButton = UIButton(frame: CGRect(x: 5, y: 190, width: 200, height: 35))
timeButton.backgroundColor = .blue
timeButton.alpha = 0.5
timeButton.setTitle("Time to next destination", for: .normal)
timeButton.addTarget(self, action: #selector(getTimeToNextDestination), for: .touchUpInside)
self.mapView.addSubview(timeButton)
// Get the distance to the next destination.
let distanceButton = UIButton(frame: CGRect(x: 5, y: 230, width: 200, height: 35))
distanceButton.backgroundColor = .blue
distanceButton.alpha = 0.5
distanceButton.setTitle("Distance to next destination", for: .normal)
distanceButton.addTarget(
self, action: #selector(getDistanceToNextDestination), for: .touchUpInside)
self.mapView.addSubview(distanceButton)
// Get the current route leg.
let routeButton = UIButton(frame: CGRect(x: 5, y: 270, width: 200, height: 35))
routeButton.backgroundColor = .blue
routeButton.alpha = 0.5
routeButton.setTitle("Get current route leg", for: .normal)
routeButton.addTarget(self, action: #selector(getCurrentRouteLeg), for: .touchUpInside)
self.mapView.addSubview(routeButton)
// Get the most recently traveled path.
let pathButton = UIButton(frame: CGRect(x: 5, y: 310, width: 200, height: 35))
pathButton.backgroundColor = .blue
pathButton.alpha = 0.5
pathButton.setTitle("Get traveled path", for: .normal)
pathButton.addTarget(self, action: #selector(getTraveledPath), for: .touchUpInside)
self.mapView.addSubview(pathButton)
}
}
Mostre/oculte o código Objective-C para ver informações de trajeto.
/*
* 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 "ViewController.h"
@import GoogleNavigation;
@interface ViewController ()
@end
@implementation ViewController {
GMSMapView *_mapView;
CLLocationManager *_locationManager;
}
- (void)loadView {
_locationManager = [[CLLocationManager alloc] init];
GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:47.67
longitude:-122.20
zoom:14];
_mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
// Show the terms and conditions.
NSString *companyName = @"Ride Sharing Co.";
[GMSNavigationServices
showTermsAndConditionsDialogIfNeededWithCompanyName:companyName
callback:^(BOOL termsAccepted) {
if (termsAccepted) {
// Enable navigation if the user accepts the terms.
_mapView.navigationEnabled = YES;
// Request authorization to use location services.
[_locationManager requestAlwaysAuthorization];
} else {
// Handle the case when the user rejects the terms and conditions.
}
}];
self.view = _mapView;
[self makeButtons];
}
// Create a route and start guidance.
- (void)startNav {
NSArray<GMSNavigationWaypoint *> *destinations =
@[[[GMSNavigationWaypoint alloc] initWithPlaceID:@"ChIJnUYTpNASkFQR_gSty5kyoUk"
title:@"PCC Natural Market"],
[[GMSNavigationWaypoint alloc] initWithPlaceID:@"ChIJJ326ROcSkFQRBfUzOL2DSbo"
title:@"Marina Park"]];
[_mapView.navigator setDestinations:destinations
callback:^(GMSRouteStatus routeStatus){
_mapView.navigator.guidanceActive = YES;
_mapView.cameraMode = GMSNavigationCameraModeFollowing;
[_mapView.locationSimulator simulateLocationsAlongExistingRoute];
}];
[_mapView.roadSnappedLocationProvider startUpdatingLocation];
}
- (void)getTimeToNextDestination {
NSTimeInterval time = _mapView.navigator.timeToNextDestination;
int minutes = floor(time/60);
int seconds = round(time - minutes * 60);
NSLog(@"%@", [NSString stringWithFormat:@"Time to next destination: %i:%i.", minutes, seconds]);
}
- (void)getDistanceToNextDestination {
CLLocationDistance distance = _mapView.navigator.distanceToNextDestination;
double miles = distance * 0.00062137;
NSLog(@"%@", [NSString stringWithFormat:@"Distance to next destination: %.2f.", miles]);
}
- (void)getCurrentRouteLeg {
GMSRouteLeg *currentSegment = _mapView.navigator.currentRouteLeg;
NSString *nextDestination = currentSegment.destinationWaypoint.title;
CLLocationDegrees lat = currentSegment.destinationCoordinate.latitude;
CLLocationDegrees lng = currentSegment.destinationCoordinate.longitude;
NSLog(@"%@", [NSString stringWithFormat:@"%@, %f/%f", nextDestination, lat, lng]);
}
- (void)getTraveledPath {
GMSPath *latestPath = _mapView.navigator.traveledPath;
if (latestPath.count > 0) {
CLLocationCoordinate2D begin = [latestPath coordinateAtIndex:0];
CLLocationCoordinate2D current = [latestPath coordinateAtIndex:latestPath.count - 1];
NSLog(@"Path from %f/%f to %f/%f",
begin.latitude,
begin.longitude,
current.latitude,
current.longitude);
}
}
#pragma mark - Buttons and things
// Add some buttons to the view.
- (void)makeButtons {
// Start navigation.
UIButton *navButton = [UIButton buttonWithType:UIButtonTypeCustom];
[navButton addTarget:self
action:@selector(startNav)
forControlEvents:UIControlEventTouchUpInside];
[navButton setTitle:@"Start navigation" forState:UIControlStateNormal];
[navButton setBackgroundColor:[UIColor blueColor]];
[navButton setAlpha:0.5];
navButton.frame = CGRectMake(5.0, 150.0, 200.0, 35.0);
[_mapView addSubview:navButton];
// Get the time to the next destination.
UIButton *timeButton = [UIButton buttonWithType:UIButtonTypeCustom];
[timeButton addTarget:self
action:@selector(getTimeToNextDestination)
forControlEvents:UIControlEventTouchUpInside];
[timeButton setTitle:@"Time to next destination" forState:UIControlStateNormal];
[timeButton setBackgroundColor:[UIColor blueColor]];
[timeButton setAlpha:0.5];
timeButton.frame = CGRectMake(5.0, 190.0, 200.0, 35.0);
[_mapView addSubview:timeButton];
// Get the distance to the next destination.
UIButton *distanceButton = [UIButton buttonWithType:UIButtonTypeCustom];
[distanceButton addTarget:self
action:@selector(getDistanceToNextDestination)
forControlEvents:UIControlEventTouchUpInside];
[distanceButton setTitle:@"Distance to next destination" forState:UIControlStateNormal];
[distanceButton setBackgroundColor:[UIColor blueColor]];
[distanceButton setAlpha:0.5];
distanceButton.frame = CGRectMake(5.0, 230.0, 200.0, 35.0);
[_mapView addSubview:distanceButton];
// Get the current route leg.
UIButton *routeButton = [UIButton buttonWithType:UIButtonTypeCustom];
[routeButton addTarget:self
action:@selector(getCurrentRouteLeg)
forControlEvents:UIControlEventTouchUpInside];
[routeButton setTitle:@"Get current route leg" forState:UIControlStateNormal];
[routeButton setBackgroundColor:[UIColor blueColor]];
[routeButton setAlpha:0.5];
routeButton.frame = CGRectMake(5.0, 270.0, 200.0, 35.0);
[_mapView addSubview:routeButton];
// Get the most recently traveled path.
UIButton *pathButton = [UIButton buttonWithType:UIButtonTypeCustom];
[pathButton addTarget:self
action:@selector(getTraveledPath)
forControlEvents:UIControlEventTouchUpInside];
[pathButton setTitle:@"Get current route leg" forState:UIControlStateNormal];
[pathButton setBackgroundColor:[UIColor blueColor]];
[pathButton setAlpha:0.5];
pathButton.frame = CGRectMake(5.0, 310.0, 200.0, 35.0);
[_mapView addSubview:pathButton];
}
@end
Como chegar ao próximo destino
Para ver o horário até o próximo destino, chame timeToNextDestination().
Isso retorna um valor NSTimeInterval. O exemplo abaixo mostra
o registro de tempo até o próximo destino:
Swift
if let navigator = mapView.navigator {
let time = navigator.timeToNextDestination
let minutes = floor(time/60)
let seconds = round(time - minutes * 60)
NSLog("Time to next destination: %.0f:%.0f", minutes, seconds)
}
Objective-C
NSTimeInterval time = _mapView.navigator.timeToNextDestination;
int minutes = floor(time/60);
int seconds = round(time - minutes * 60);
NSLog(@"%@", [NSString stringWithFormat:@"Time to next destination: %i:%i.", minutes, seconds]);
Como chegar ao próximo destino
Para ver a distância até o próximo destino, chame distanceToNextDestination().
Isso retorna um valor CLLocationDistance. As unidades são especificadas em metros.
Swift
if let navigator = mapView.navigator {
let distance = navigator.distanceToNextDestination
let miles = distance * 0.00062137
NSLog("Distance to next destination: %.2f miles.", miles)
}
Objective-C
CLLocationDistance distance = _mapView.navigator.distanceToNextDestination;
double miles = distance * 0.00062137;
NSLog(@"%@", [NSString stringWithFormat:@"Distance to next destination: %.2f.", miles]);
Como receber condições de trânsito para o próximo destino
Se quiser um valor que indique o fluxo de tráfego para o próximo destino, chame
delayCategoryToNextDestination.
Esse parâmetro retorna GMSNavigationDelayCategory. O exemplo a seguir mostra como avaliar o resultado e registrar uma mensagem de tráfego:
Swift
if let navigator = mapView.navigator {
// insert sample for evaluating traffic value
let delay = navigator.delayCategoryToNextDestination
let traffic = "unavailable"
switch delay {
case .noData:
traffic = "unavailable"
case .heavy:
traffic = "heavy"
case .medium:
traffic = "moderate"
case .light:
traffic = "light"
default:
traffic = "unavailable"
}
print("Traffic is \(traffic).")
}
Objective-C
GMSNavigationDelayCategory delay = mapView.navigator.delayCategoryToNextDestination;
NSString *traffic = @"";
switch (delayCategory) {
case GMSNavigationDelayCategoryNoData:
traffic = @"No Data";
break;
case GMSNavigationDelayCategoryHeavy:
traffic = @"Heavy";
break;
case GMSNavigationDelayCategoryMedium:
traffic = @"Medium";
break;
case GMSNavigationDelayCategoryLight:
traffic = @"Light";
break;
default:
NSLog(@"Invalid delay category: %zd", delayCategory);
}
NSLog(@"%@", [NSString stringWithFormat:@"Traffic is %@.", traffic]);
Como receber informações sobre o trecho atual
Para ver informações sobre o trecho do trajeto atual, chame currentRouteLeg.
Isso retorna uma instância GMSRouteLeg, que pode ser usada com:
O destino do trecho.
A coordenada final no trecho.
O caminho que contém as coordenadas que compõem o trecho do trajeto.
O exemplo a seguir mostra o registro das coordenadas de título e lat/lng para o próximo trecho do trajeto:
Swift
if let navigator = mapView.navigator {
let currentLeg = navigator.currentRouteLeg
let nextDestination = currentLeg?.destinationWaypoint?.title
let lat = currentLeg?.destinationCoordinate.latitude.description
let lng = currentLeg?.destinationCoordinate.longitude.description
NSLog(nextDestination! + ", " + lat! + "/" + lng!)
}
Para ver o caminho percorrido mais recentemente, chame traveledPath.
Isso retorna uma instância GMSPath que foi simplificada para remover pontos redundantes (por exemplo, transformar pontos colineares consecutivos em um único segmento de linha). Esse caminho ficará
vazio até que a orientação seja iniciada. O exemplo a seguir mostra o caminho percorrido mais recentemente:
Swift
if let navigator = mapView.navigator {
let latestPath = navigator.traveledPath
if latestPath.count() > 0 {
let begin: CLLocationCoordinate2D = latestPath.coordinate(at: 0)
let current: CLLocationCoordinate2D = latestPath.coordinate(at: latestPath.count() - 1)
print("Path from (\(begin.latitude),\(begin.longitude)) to (\(current.latitude),\(current.longitude))")
}
}
Objective-C
GMSPath *latestPath = mapView.navigator.traveledPath;
if (latestPath.count > 0) {
CLLocationCoordinate2D begin = [latestPath coordinateAtIndex:0];
CLLocationCoordinate2D current = [latestPath coordinateAtIndex:latestPath.count - 1];
NSLog(@"Path from %f/%f to %f/%f",
begin.latitude,
begin.longitude,
current.latitude,
current.longitude);
}