swift-google-directions.swift

//
//  MapHelper.swift
//
//  Created by Michael Vieth on 1/6/20.
//

import Foundation
import GoogleMaps
import GoogleMapsBase
import MapKit
import UIKit

public struct MapHelper {
  static func openGoogleDirections(address: String) {
    
    // Check if Google Maps has been installed on device
    let canUseGoogleApp = UIApplication.shared.canOpenURL(URL(string:"comgooglemaps-x-callback://")!)
    
    // Use Google Maps HTTP URL by default
    var scheme = "https"
    var host = "www.google.co.in"
    var path = "/maps/dir/"
    let saddr = URLQueryItem(name: "saddr", value: "")
    let daddr = URLQueryItem(name: "daddr", value: address)
    
    if canUseGoogleApp {
      // Use the Google Maps App URL
      scheme = "comgooglemaps"
      path = ""
      host = ""
    }
    
    // Build URL + Query Items
    var urlComponents = URLComponents()
    urlComponents.scheme = scheme
    urlComponents.host = host
    urlComponents.path = path
    urlComponents.queryItems = [saddr, daddr]
    
    // Open directions URl
    if let url = urlComponents.url {
      UIApplication.shared.open(url)
    }
  }
}