GestureRecognizer를 추가하면 MapView가 더 이상 작동하지 않습니다.

Question

사용자가 longPress (UILongPressGestureRecognizer 포함)를 수행 할 때 Pin을 추가하려고하는데 작동하지 않습니다. 그러나 더 큰 문제는 다음과 같습니다.지도가 더 이상 표시되지 않습니다. 왜지도가 사라 졌는가?

당신은 프로젝트 파일을 찾을 수 here

--------------------------- ViewController.swift ----- ---------------------------

{ 

import UIKit 
import MapKit 

class ViewController: UIViewController, MKMapViewDelegate { 

@IBOutlet var theMapView: MKMapView! 
@IBOutlet var theTextfield: UITextField! 

@IBOutlet var theLabel: UILabel! 

@IBAction func theButton(sender: UIButton) { 
    theLabel.text = "Swift-App schreibt \(theTextfield.text)" 
    theTextfield.resignFirstResponder() 
} 


override func viewDidLoad() { 
    super.viewDidLoad() 
    // Do any additional setup after loading the view, typically from a nib. 
    // Position 
    var latitude:CLLocationDegrees = 48.399193 
    var longitude:CLLocationDegrees = 9.993341 
    // Zoomfaktor 
    var latDelta:CLLocationDegrees = 0.01 
    var longDelta:CLLocationDegrees = 0.01 
    // 
    var theSpan:MKCoordinateSpan = MKCoordinateSpanMake(latDelta,longDelta) 



    // Koordinaten der Kirche 
    var churchLocation:CLLocationCoordinate2D = CLLocationCoordinate2DMake(latitude, longitude) 
    // Zentrum und Kartenausschnitt 
    var theRegion:MKCoordinateRegion = MKCoordinateRegionMake(churchLocation, theSpan) 


    // LongTap definieren 
    let longpress = UILongPressGestureRecognizer(target: theMapView, action: "actionPin:") 
    longpress.minimumPressDuration = 1.0 
    longpress.numberOfTouchesRequired = 1 
    longpress.allowableMovement = 100 
    theMapView.addGestureRecognizer(longpress) 


    // Karte anzeigen 
    theMapView.setRegion(theRegion,animated:false) 

    // Pin setzen 
    var theUlmMinsterAnnotation = MKPointAnnotation() 
    theUlmMinsterAnnotation.coordinate = churchLocation 
    theUlmMinsterAnnotation.title = "Ulmer Münster" 
    theUlmMinsterAnnotation.subtitle = " Untertitel" 

    theMapView.addAnnotation(theUlmMinsterAnnotation) 
} 

func actionPin(gestureRecognizer:UIGestureRecognizer) { 
    var touchpoint = gestureRecognizer.locationInView(self.theMapView) 
    var newCoord:CLLocationCoordinate2D=theMapView.convertPoint(touchpoint, toCoordinateFromView: self.theMapView) 
    var newAnnotation = MKPointAnnotation() 
    newAnnotation.coordinate = newCoord 
    newAnnotation.title = "Fingertipp" 
    newAnnotation.subtitle = "Untertitel" 
    theMapView.addAnnotation(newAnnotation) 
} 

}} 

Answer 1

지도 크기가 {0,0}이며 사용자가 아무 것도 사용하지 않기 때문에 억누르다. 여기

확인 부분 업데이트 https://dl.dropboxusercontent.com/u/19438780/test1-v2.zip