從當前位置獲取附近的地點

先決條件

1. 在專案中安裝 pod
2. 安裝 GooglePlaces SDK
3. 啟用位置服務

首先，我們需要通過獲取當前的經度和緯度來獲取使用者位置。

1. 匯入 GooglePlaces 和 GooglePlacePicker

import GooglePlaces
import GooglePlacePicker

2. 新增 CLLOcationManagerDelegate 協議

class ViewController: UIViewController, CLLocationManagerDelegate {
    
}

3. 建立你的 CLLocationManager()

var currentLocation = CLLocationManager()

4. 請求授權

currentLocation = CLLocationManager()
currentLocation.requetAlwayAuthorization()

5. 建立一個按鈕以呼叫 GooglePlacePicker 方法

@IBAction func placePickerAction（sender：AnyObject）{

if CLLOcationManager.authorizationStatues() == .AuthorizedAlways {

        let center = CLLocationCoordinate2DMake((currentLocation.location?.coordinate.latitude)!, (currentLocation.location?.coordinate.longitude)!)
        let northEast = CLLocationCoordinate2DMake(center.latitude + 0.001, center.longitude + 0.001)
        let southWest = CLLocationCoordinate2DMake(center.latitude - 0.001, center.longitude - 0.001)
        let viewport = GMSCoordinateBounds(coordinate: northEast, coordinate: southWest)
        let config = GMSPlacePickerConfig(viewport: viewport)
        placePicker = GMSPlacePicker(config: config)
        
        placePicker?.pickPlaceWithCallback({ (place: GMSPlace?, error: NSError?) -> Void in
            if let error = error {
                print("Pick Place error: \(error.localizedDescription)")
                return
            }
            
            if let place = place {
               print("Place name: \(place.name)")
                print("Address: \(place.formattedAddress)")
                
            } else {
               print("Place name: nil")
                print("Address: nil")
            }
        })
    }        
}