Ios4 如何在MKMapView上捕捉点击手势

我试图在我的

MKMapView

上捕获点击事件，这样我就可以在用户点击的点上放置

MKPinAnnotation

。基本上，我有一张覆盖有

mkoverlayView

（显示建筑的覆盖图）的地图，我想在用户点击该覆盖图时，通过放置

mkpinannotation

并在标注中显示更多信息，为用户提供更多关于该覆盖图的信息。

---

多谢各位

您可以使用

UIgestureRecognitor

检测地图视图上的触摸

但是，我建议您不要只点击一次，而是点击两次（

UIAppgestureRecognitizer

）或长按（

UILongPressgestureRecognitizer

）。单次点击可能会干扰用户尝试单次点击pin或标注本身

在设置地图视图的位置（例如在

viewDidLoad

中），将手势识别器连接到地图视图：

UITapGestureRecognizer *tgr = [[UITapGestureRecognizer alloc] 
    initWithTarget:self action:@selector(handleGesture:)];
tgr.numberOfTapsRequired = 2;
tgr.numberOfTouchesRequired = 1;
[mapView addGestureRecognizer:tgr];
[tgr release];

或使用长按：

UILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] 
    initWithTarget:self action:@selector(handleGesture:)];
lpgr.minimumPressDuration = 2.0;  //user must press for 2 seconds
[mapView addGestureRecognizer:lpgr];
[lpgr release];

在

手册测试中：

方法：

- (void)handleGesture:(UIGestureRecognizer *)gestureRecognizer
{
    if (gestureRecognizer.state != UIGestureRecognizerStateEnded)
        return;

    CGPoint touchPoint = [gestureRecognizer locationInView:mapView];
    CLLocationCoordinate2D touchMapCoordinate = 
        [mapView convertPoint:touchPoint toCoordinateFromView:mapView];

    MKPointAnnotation *pa = [[MKPointAnnotation alloc] init];
    pa.coordinate = touchMapCoordinate;
    pa.title = @"Hello";
    [mapView addAnnotation:pa];
    [pa release];
}

-(void)handleLongPressGesture:(UIGestureRecognizer*)sender {
    // This is important if you only want to receive one tap and hold event
    if (sender.state == UIGestureRecognizerStateEnded)
    {NSLog(@"Released!");
        [self.mapView removeGestureRecognizer:sender];
    }
    else
    {
        // Here we get the CGPoint for the touch and convert it to latitude and longitude coordinates to display on the map
        CGPoint point = [sender locationInView:self.mapView];
        CLLocationCoordinate2D locCoord = [self.mapView convertPoint:point toCoordinateFromView:self.mapView];
        // Then all you have to do is create the annotation and add it to the map
        MyLocation *dropPin = [[MyLocation alloc] init];
        dropPin.latitude = [NSNumber numberWithDouble:locCoord.latitude];
        dropPin.longitude = [NSNumber numberWithDouble:locCoord.longitude];
//        [self.mapView addAnnotation:dropPin];
        [mapAnnotations addObject:dropPin];
        [dropPin release];
        NSLog(@"Hold!!");
        NSLog(@"Count: %d", [mapAnnotations count]);
    }   
}

我在

viewDidLoad:

中设置了长按（

ui长按手势识别器

），但它只检测到第一次触摸时的一次触摸

在哪里可以设置长按以检测所有触摸？（这意味着每次等待用户触摸屏幕以按下pin时，地图已准备就绪）

viewDidLoad:

方法

- (void)viewDidLoad {
    [super viewDidLoad];mapView.mapType = MKMapTypeStandard;

    UILongPressGestureRecognizer *longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPressGesture:)];
    [self.mapView addGestureRecognizer:longPressGesture];
    [longPressGesture release];

    mapAnnotations = [[NSMutableArray alloc] init];
    MyLocation *location = [[MyLocation alloc] init];
    [mapAnnotations addObject:location];

    [self gotoLocation];
    [self.mapView addAnnotations:self.mapAnnotations];
}

以及

手动长按手势

方法：

- (void)handleGesture:(UIGestureRecognizer *)gestureRecognizer
{
    if (gestureRecognizer.state != UIGestureRecognizerStateEnded)
        return;

    CGPoint touchPoint = [gestureRecognizer locationInView:mapView];
    CLLocationCoordinate2D touchMapCoordinate = 
        [mapView convertPoint:touchPoint toCoordinateFromView:mapView];

    MKPointAnnotation *pa = [[MKPointAnnotation alloc] init];
    pa.coordinate = touchMapCoordinate;
    pa.title = @"Hello";
    [mapView addAnnotation:pa];
    [pa release];
}

-(void)handleLongPressGesture:(UIGestureRecognizer*)sender {
    // This is important if you only want to receive one tap and hold event
    if (sender.state == UIGestureRecognizerStateEnded)
    {NSLog(@"Released!");
        [self.mapView removeGestureRecognizer:sender];
    }
    else
    {
        // Here we get the CGPoint for the touch and convert it to latitude and longitude coordinates to display on the map
        CGPoint point = [sender locationInView:self.mapView];
        CLLocationCoordinate2D locCoord = [self.mapView convertPoint:point toCoordinateFromView:self.mapView];
        // Then all you have to do is create the annotation and add it to the map
        MyLocation *dropPin = [[MyLocation alloc] init];
        dropPin.latitude = [NSNumber numberWithDouble:locCoord.latitude];
        dropPin.longitude = [NSNumber numberWithDouble:locCoord.longitude];
//        [self.mapView addAnnotation:dropPin];
        [mapAnnotations addObject:dropPin];
        [dropPin release];
        NSLog(@"Hold!!");
        NSLog(@"Count: %d", [mapAnnotations count]);
    }   
}

---

如果您想在地图视图中使用单击/点击，下面是我正在使用的代码片段。（可可和斯威夫特）

在手势委托方法中，选择双击手势的简单测试

func gestureRecognizer(gestureRecognizer: NSGestureRecognizer, shouldRequireFailureOfGestureRecognizer otherGestureRecognizer: NSGestureRecognizer) -> Bool {
  let other = otherGestureRecognizer as? NSClickGestureRecognizer
  if (other?.numberOfClicksRequired > 1) {
    return true; // allows double click
  }

  return false
}

---

如果希望地图处于各种“状态”（其中一种状态允许单次点击/点击），也可以在其他代理方法中过滤手势。出于某种原因，UIGestureRecognitor在Swift中不适用于我。当我使用UIgestureRecognitor方式时。当我使用touchesEnded方法时，它返回一个MKNewAnnotationContainerView。似乎此MKNewAnnotationContainerView阻止了我的MKMapView。幸运的是，它是MKMapView的一个子视图。因此，我循环使用MKNewAnnotationContainerView的SuperView，直到self.view，以获得MKMapView。我通过轻敲来锁定地图视图

Swift 4.1

override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
    let t = touches.first
    print(t?.location(in: self.view) as Any)
    print(t?.view?.superview?.superview.self as Any)
    print(mapView.self as Any)
    var tempView = t?.view
    while tempView != self.view {
        if tempView != mapView {
            tempView = tempView?.superview!
        }else if tempView == mapView{
            break
        }

    }
  let convertedCoor = mapView.convert((t?.location(in: mapView))!, toCoordinateFrom: mapView)
   let pin =  MKPointAnnotation()
    pin.coordinate = convertedCoor
    mapView.addAnnotation(pin)
}

override func touchesend（touch:Set，带有事件：UIEvent？）{
让t=先触摸
打印（t？位置（在：self.view中）如有）
打印（t？.view？.superview？.superview.self，如有）
打印（mapView.self，如有）
var tempView=t？.view
而tempView！=self.view{
如果tempView！=mapView{
tempView=tempView？.superview！
}如果tempView==mapView，则为else{
打破
}
}
让convertedCoor=mapView.convert（（t？.location（in:mapView））！，到坐标from:mapView）
设pin=MKPointAnnotation（）
pin.coordinate=convertedCoor
mapView.addAnnotation（pin）
}

谢谢您的建议，一旦我的建议生效，我会尽快回复。我确实试过一次点击，但在那之后，我无法显示我的标注。看起来我需要使用LongPressureGestureUtiapgestureRecognitizer在iOS 6的MKMapView上不再识别。它在iOS 5中工作。关于这个问题有什么想法吗？@phix23，尝试使用GestureRecognitor实现

应同时识别，然后从那里返回
YES
。需要执行
tgr.delegate=self
在为要调用的ShoudRecognite委托方法添加GR之前。对“合法”链接有何想法（不确定在提出此问题时是否存在此链接）？我想让它正常运行，我想做一些比迭代地图视图的子视图更聪明的事情，看看触摸是否在标签内或是其他什么东西。也添加UIPangestureRecognitor来处理缩放（收缩）和移动（平移）