Question

我正在尝试构建一个应用程序，我将文本输入textField并获取谷歌提供的自动预测功能，其中包含其Fetcher GooglePlaces API。我复制了代码并为我的应用程序修改了它但我无法弄清楚我做错了什么。我使用的是Swift Xcode8 Beta 3。

请参阅下面的代码。

import UIKit
import GooglePlaces
import GoogleMaps

class NewTripAddCitiesViewController: UIViewController {

    var fetcher: GMSAutocompleteFetcher?
    @IBOutlet var textView: UITextView!
    @IBOutlet var placesTextField: UITextField!
    @IBOutlet var addToTripLabel: UIButton!
    @IBOutlet var addCitiesLabel: UILabel!

    @IBAction func addPlaceToTable(_ sender: AnyObject) {
    }

    @IBAction func savePlaces(_ sender: AnyObject) {
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        addCitiesLabel.text = "Please select which places you'd like to visit in \(tripCountry):"
        addToTripLabel.setTitle("Add to \"\(tripName)\"", for: [])

        self.view.backgroundColor = UIColor.white()
        self.edgesForExtendedLayout = []

        // Set bounds to inner-west Sydney Australia.
        let neBoundsCorner = CLLocationCoordinate2D(latitude: -33.843366, longitude: 151.134002)
        let swBoundsCorner = CLLocationCoordinate2D(latitude: -33.875725, longitude: 151.200349)
        let bounds = GMSCoordinateBounds(coordinate: neBoundsCorner, coordinate: swBoundsCorner)

        // Set up the autocomplete filter.
        let filter = GMSAutocompleteFilter()
        filter.type = .establishment

        // Create the fetcher.
        fetcher = GMSAutocompleteFetcher(bounds: bounds, filter: filter)
        fetcher!.delegate = self

        placesTextField = UITextField(frame: CGRect(x: 5.0, y: 0, width: self.view.bounds.size.width - 5.0, height: 44.0))
        placesTextField?.autoresizingMask = .flexibleWidth
        placesTextField?.addTarget(self, action: Selector(("textFieldDidChange:")), for: .editingChanged)

        textView = UITextView(frame: CGRect(x: 0, y: 45.0, width: self.view.bounds.size.width, height: self.view.bounds.size.height - 45.0))
        textView?.backgroundColor = UIColor(white: 0.95, alpha: 1.0)
        textView?.text = "No Results"
        textView?.isEditable = false

        self.view.addSubview(placesTextField!)
        self.view.addSubview(textView!)
    }

    func textFieldDidChange(placesTextField: UITextField) {
        fetcher?.sourceTextHasChanged(placesTextField.text!)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}

extension NewTripAddCitiesViewController: GMSAutocompleteFetcherDelegate {

    func didAutocompleteWithPredictions(predictions: [GMSAutocompletePrediction]) {
        let resultsStr = NSMutableAttributedString()
        for prediction in predictions {
            resultsStr.append(prediction.attributedPrimaryText)
            resultsStr.append(AttributedString(string: "\n"))
        }
        textView?.attributedText = resultsStr
    }

    func didFailAutocompleteWithError(_ error: NSError) {
        textView?.text = error.localizedDescription
    }

}

Answer 1

func didFailAutocompleteWithError（_ error：NSError）{

已更改

public func didFailAutocompleteWithError（_ error：Error）{

我的viewcontroller不符合GMSFetcherAutocompleteDelegate协议

1 个答案: