我有一个 UITableViewCell，它有一个 map View 作为 subview 。创建了一个自定义类来处理所有操作，例如添加注释、委托(delegate)等，并将其命名为 CustomeMap.swift。
在 Cell Xib 中将 map View 的类名更改为 CustomeMap 后，应用程序在 CustomeMap 的 因为我还没有实现那个方法。后来我添加了如下方法:initWithCoder 方法中有时会崩溃
import UIKit
import MapKit
protocol CustomeMapDelegate{
func annotationClickEvent(info:NSDictionary?)
}
class CustomeMap: MKMapView,MKMapViewDelegate,CLLocationManagerDelegate {
var locationManager:CLLocationManager?
var delegate1:CustomeMapDelegate?
var tap:UITapGestureRecognizer?
required init(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
override func awakeFromNib()
{
if CLLocationManager.authorizationStatus() == CLAuthorizationStatus.AuthorizedAlways {
self.showsUserLocation = true;
}
else
{
locationManager = CLLocationManager()
locationManager?.delegate = self;
if locationManager!.respondsToSelector("requestAlwaysAuthorization")
{
locationManager?.requestAlwaysAuthorization()
}
}
self.delegate = self
self.userInteractionEnabled = true
tap = UITapGestureRecognizer(target: self, action: "calloutAction:")
}
func locationManager(manager: CLLocationManager!, didChangeAuthorizationStatus status: CLAuthorizationStatus)
{
if(status == CLAuthorizationStatus.AuthorizedAlways)
{
self.showsUserLocation = true;
}
}
func skipTouch()
{
}
class func createAnnotationForDict(temp:NSDictionary)->MyPointAnnotation
{
var venue = temp.valueForKey("venue") as? NSDictionary
var lat = venue!.valueForKey("latitude") as! Double
var lon = venue!.valueForKey("longitude") as! Double
var venueName = venue!.valueForKey("name") as! String
var dealName = temp.valueForKey("title") as? String
var coord:CLLocationCoordinate2D = CLLocationCoordinate2D(latitude: 0, longitude: 0)
coord.latitude = lat
coord.longitude = lon
var point = MyPointAnnotation()
point.userInfo = temp
point.coordinate = coord
point.title = dealName
point.subtitle = venueName
return point
}
func mapView(mapView: MKMapView!, viewForAnnotation annotation: MKAnnotation!) -> MKAnnotationView!
{
if annotation is MKUserLocation {
return nil
}
let reuseId = "pin"
var pinView = mapView.dequeueReusableAnnotationViewWithIdentifier(reuseId) as? MKPinAnnotationView
if pinView == nil {
pinView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: reuseId)
pinView!.canShowCallout = true
pinView!.animatesDrop = true
pinView!.pinColor = .Red
var assImg = UIImageView(image: UIImage(named: "r_arrow_g"))
assImg.frame = CGRectMake(0, 0, 16, 16)
assImg.contentMode = UIViewContentMode.ScaleAspectFit
pinView!.rightCalloutAccessoryView = assImg
}
else {
pinView!.annotation = annotation
}
return pinView
}
func mapView(mapView: MKMapView!, didSelectAnnotationView view: MKAnnotationView!)
{
if view.annotation.isKindOfClass(MKUserLocation){ return }
if let t1 = tap
{
}
else
{
tap = UITapGestureRecognizer(target: self, action: "calloutAction:")
}
view.addGestureRecognizer(tap!)
}
func mapView(mapView: MKMapView!, didDeselectAnnotationView view: MKAnnotationView!)
{
if view.annotation.isKindOfClass(MKUserLocation){ return }
view.removeGestureRecognizer(tap!)
}
func calloutAction(sender:UITapGestureRecognizer)
{
if(delegate1 != nil)
{
var view = sender.view as! MKAnnotationView
var ann = view.annotation as! MyPointAnnotation
delegate1!.annotationClickEvent(ann.userInfo)
}
}
}
还是一样的问题。
Crash log
Crashed: com.apple.main-thread
EXC_BAD_ACCESS KERN_INVALID_ADDRESS at 0x00000001
Thread : Crashed: com.apple.main-thread
0 libGPUSupportMercury.dylib 0x2b7228fe gpus_ReturnNotPermittedKillClient
1 libGPUSupportMercury.dylib 0x2b7233cb gpusSubmitDataBuffers
2 libGPUSupportMercury.dylib 0x2b723249 gldCreateContext
3 GLEngine 0x2717191b gliCreateContextWithShared
4 OpenGLES 0x2724dab3 -[EAGLContext initWithAPI:properties:] + 406
5 OpenGLES 0x2724d86f -[EAGLContext initWithAPI:sharedWithCompute:] + 142
6 VectorKit 0x2fc2d58b ggl::OESContext::OESContext(ggl::GLDevice*, std::__1::shared_ptr<ggl::OESSharegroup>) + 530
7 VectorKit 0x2fc2663f ggl::GLDevice::createRenderer() + 110
8 VectorKit 0x2fb46c0f -[MDDisplayLayer _createGLLayer] + 166
9 VectorKit 0x2fb469af -[MDDisplayLayer init] + 70
10 VectorKit 0x2f8763b7 -[VKMapView initWithGlobe:shouldRasterize:inBackground:] + 486
11 MapKit 0x25f4937f -[MKBasicMapView initWithFrame:andGlobe:shouldRasterize:] + 362
12 MapKit 0x25f7b14b -[MKMapView _commonInitFromIB:gestureRecognizerHostView:showsAttribution:] + 982
13 MapKit 0x25f7bc4d -[MKMapView initWithCoder:] + 128
14 AppName 0x000ce410 @objc AppName.CustomeMap.init (AppName.CustomeMap.Type)(coder : ObjectiveC.NSCoder) -> AppName.CustomeMap (CustomeMap.swift)
15 UIKit 0x280f6611 -[UIClassSwapper initWithCoder:] + 192
16 UIKit 0x281bd6ef UINibDecoderDecodeObjectForValue + 850
17 UIKit 0x281bd38f -[UINibDecoder decodeObjectForKey:] + 334
18 UIKit 0x280f6253 -[UIRuntimeConnection initWithCoder:] + 150
19 UIKit 0x281bd6ef UINibDecoderDecodeObjectForValue + 850
20 UIKit 0x281bd645 UINibDecoderDecodeObjectForValue + 680
21 UIKit 0x281bd38f -[UINibDecoder decodeObjectForKey:] + 334
22 UIKit 0x280f593f -[UINib instantiateWithOwner:options:] + 958
23 UIKit 0x28014077 -[UIViewController _loadViewFromNibNamed:bundle:] + 238
24 UIKit 0x27e52e99 -[UIViewController loadView] + 92
25 UIKit 0x27d370ed -[UIViewController loadViewIfRequired] + 68
26 UIKit 0x27de0ed5 -[UINavigationController _layoutViewController:] + 32
27 UIKit 0x27de0dfd -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 228
28 UIKit 0x27de0393 -[UINavigationController _startTransition:fromViewController:toViewController:] + 74
29 UIKit 0x27de00c3 -[UINavigationController _startDeferredTransitionIfNeeded:] + 578
30 UIKit 0x27ddfe2d -[UINavigationController __viewWillLayoutSubviews] + 44
31 UIKit 0x27ddfdc1 -[UILayoutContainerView layoutSubviews] + 184
32 UIKit 0x27d347ff -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 514
33 QuartzCore 0x2775a835 -[CALayer layoutSublayers] + 136
34 QuartzCore 0x2775620d CA::Layer::layout_if_needed(CA::Transaction*) + 360
35 QuartzCore 0x27756095 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 16
36 QuartzCore 0x27755a71 CA::Context::commit_transaction(CA::Transaction*) + 224
37 QuartzCore 0x27755875 CA::Transaction::commit() + 324
38 UIKit 0x27d2cc91 _afterCACommitHandler + 132
39 CoreFoundation 0x247e0ffd __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 20
40 CoreFoundation 0x247de6bb __CFRunLoopDoObservers + 278
41 CoreFoundation 0x247deac3 __CFRunLoopRun + 914
42 CoreFoundation 0x2472c3b1 CFRunLoopRunSpecific + 476
43 CoreFoundation 0x2472c1c3 CFRunLoopRunInMode + 106
44 GraphicsServices 0x2bd59201 GSEventRunModal + 136
45 UIKit 0x27d9643d UIApplicationMain + 1440
46 AppName 0x000c1d68 main (AppDelegate.swift:17)
删除了子类化概念，只创建了一个 View 并添加了 MKMapView 作为 subview 。但现在我看到了以下崩溃
Crash log
Thread : Crashed: com.apple.main-thread
0 libGPUSupportMercury.dylib 0x2fc468fe gpus_ReturnNotPermittedKillClient
1 libGPUSupportMercury.dylib 0x2fc473cb gpusSubmitDataBuffers
2 libGPUSupportMercury.dylib 0x2fc47249 gldCreateContext
3 GLEngine 0x2b87393b gliCreateContextWithShared
4 OpenGLES 0x2b94fab3 -[EAGLContext initWithAPI:properties:] + 406
5 OpenGLES 0x2b94f86f -[EAGLContext initWithAPI:sharedWithCompute:] + 142
6 VectorKit 0x33ffde8b ggl::OESContext::OESContext(ggl::GLDevice*, std::__1::shared_ptr<ggl::OESSharegroup>) + 530
7 VectorKit 0x33ff6e77 ggl::GLDevice::createRenderer() + 110
8 VectorKit 0x33f1399b -[MDDisplayLayer _createGLLayer] + 166
9 VectorKit 0x33f1373b -[MDDisplayLayer init] + 70
10 VectorKit 0x33c3eae3 -[VKMapView initWithGlobe:shouldRasterize:inBackground:] + 486
11 MapKit 0x2a6586d7 -[MKBasicMapView initWithFrame:andGlobe:shouldRasterize:] + 362
12 MapKit 0x2a68a67f -[MKMapView _commonInitFromIB:gestureRecognizerHostView:showsAttribution:] + 1018
13 MapKit 0x2a676b83 -[MKMapView initWithFrame:] + 130
14 UIKit 0x2c44df19 -[UIView init] + 44
15 AppName 0x000f7598 @!objc ObjectiveC.MKMapView.init (ObjectiveC.MKMapView.Type)() -> ObjectiveC.MKMapView (CustomeMap.swift)
16 AppName 0x000f4f1c ObjectiveC.MKMapView.__allocating_init (ObjectiveC.MKMapView.Type)() -> ObjectiveC.MKMapView (CustomeMap.swift)
17 AppName 0x000ef614 AppName.CustomeMap.awakeFromNib (AppName.CustomeMap)() -> () (CustomeMap.swift:31)
18 AppName 0x000f06ec @objc AppName.CustomeMap.awakeFromNib (AppName.CustomeMap)() -> () (CustomeMap.swift)
19 UIKit 0x2c7ee561 -[UINib instantiateWithOwner:options:] + 1680
20 UIKit 0x2c70d303 -[UIViewController _loadViewFromNibNamed:bundle:] + 238
21 UIKit 0x2c54c805 -[UIViewController loadView] + 92
22 UIKit 0x2c430af9 -[UIViewController loadViewIfRequired] + 68
23 UIKit 0x2c4dab75 -[UINavigationController _layoutViewController:] + 32
24 UIKit 0x2c4daa9d -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 228
25 UIKit 0x2c4da033 -[UINavigationController _startTransition:fromViewController:toViewController:] + 74
26 UIKit 0x2c4d9d63 -[UINavigationController _startDeferredTransitionIfNeeded:] + 578
27 UIKit 0x2c4d9acd -[UINavigationController __viewWillLayoutSubviews] + 44
28 UIKit 0x2c4d9a61 -[UILayoutContainerView layoutSubviews] + 184
29 UIKit 0x2c42e24f -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 514
30 QuartzCore 0x2be56a0d -[CALayer layoutSublayers] + 136
31 QuartzCore 0x2be523e5 CA::Layer::layout_if_needed(CA::Transaction*) + 360
32 QuartzCore 0x2be5226d CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 16
33 QuartzCore 0x2be51c51 CA::Context::commit_transaction(CA::Transaction*) + 224
34 QuartzCore 0x2be51a55 CA::Transaction::commit() + 324
35 UIKit 0x2c4266e5 _afterCACommitHandler + 132
36 CoreFoundation 0x28f34d95 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 20
37 CoreFoundation 0x28f32453 __CFRunLoopDoObservers + 278
38 CoreFoundation 0x28f3285b __CFRunLoopRun + 914
39 CoreFoundation 0x28e803c1 CFRunLoopRunSpecific + 476
40 CoreFoundation 0x28e801d3 CFRunLoopRunInMode + 106
41 GraphicsServices 0x302550a9 GSEventRunModal + 136
42 UIKit 0x2c48ffa1 UIApplicationMain + 1440
43 AppName 0x000eb500 main (AppDelegate.swift:21)
44 libdyld.dylib 0x36fa6aaf start + 2
请有人帮忙找到我在这里丢失的东西。
最佳答案
看起来子类与原始初始化方法混淆了。 MKMapView 的文档说你不应该子类化，而应该使用委托(delegate)来处理你需要的一切。
Although you should not subclass the MKMapView class itself, you can get information about the map view’s behavior by providing a delegate object.
我建议您创建一个自定义的 UIView 子类，其中包含一个 MKMapView 并充当其委托(delegate)。这是我尝试解决此问题的第一步。
关于swift - 自定义 map View 在 initWithCoder 中 swift 崩溃，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/30116179/
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