我看不到Map中的第二个条目并转到DetailViewController2。
有什么方法可以解决这个问题吗？
#import "MapViewController.h"
#import "DetailViewController.h"
#import "DetailViewController2.h"
#import "SFAnnotation.h" // annotation for the city of San Francisco
#import "BridgeAnnotation.h" // annotation for the Golden Gate bridge
#import "CustomAnnotation.h" // annotation for the Tea Garden
@interface MapViewController () <MKMapViewDelegate>
@property (nonatomic, weak) IBOutlet MKMapView *mapView;
@property (nonatomic, strong) NSMutableArray *mapAnnotations;
@property (nonatomic, strong) UIPopoverController *bridgePopoverController;
@property (nonatomic, strong) UIPopoverController *sfPopoverController;
@property (nonatomic, strong) UIPopoverController *customPopoverController;
@end
#pragma mark -
@implementation MapViewController
- (void)gotoDefaultLocation
{
// EMPEZAR CON UNA LOCALIZACIÓN DETERMINADA
MKCoordinateRegion newRegion;
newRegion.center.latitude = 41.651981;
newRegion.center.longitude = -4.728561;
newRegion.span.latitudeDelta = 0.1;
newRegion.span.longitudeDelta = 0.1;
self.mapView.showsUserLocation = YES;
[self.mapView setRegion:newRegion animated:YES];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
// restore the nav bar to translucent
self.navigationController.navigationBar.barStyle = UIBarStyleBlackTranslucent;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// create a custom navigation bar button and set it to always says "Back"
UIBarButtonItem *temporaryBarButtonItem = [[UIBarButtonItem alloc] init];
temporaryBarButtonItem.title = @"Back";
self.navigationItem.backBarButtonItem = temporaryBarButtonItem;
// create out annotations array (in this example only 3)
self.mapAnnotations = [[NSMutableArray alloc] initWithCapacity:2];
// annotation for the City of San Francisco
SFAnnotation *sfAnnotation = [[SFAnnotation alloc] init];
[self.mapAnnotations addObject:sfAnnotation];
// annotation for Golden Gate Bridge
BridgeAnnotation *bridgeAnnotation = [[BridgeAnnotation alloc] init];
[self.mapAnnotations addObject:bridgeAnnotation];
// annotation for Tea Garden
CustomAnnotation *customAnnotation = [[CustomAnnotation alloc] init];
[self.mapAnnotations addObject:customAnnotation];
[self allAction:self]; // initially show all annotations
}
#pragma mark - Button Actions
- (void)gotoByAnnotationClass:(Class)annotationClass
{
// user tapped "City" button in the bottom toolbar
for (id annotation in self.mapAnnotations)
{
if ([annotation isKindOfClass:annotationClass])
{
// remove any annotations that exist
[self.mapView removeAnnotations:self.mapView.annotations];
// add just the city annotation
[self.mapView addAnnotation:annotation];
[self gotoDefaultLocation];
}
}
}
- (IBAction)cityAction:(id)sender
{
[self gotoByAnnotationClass:[SFAnnotation class]];
}
- (IBAction)bridgeAction:(id)sender
{
// user tapped "Bridge" button in the bottom toolbar
[self gotoByAnnotationClass:[BridgeAnnotation class]];
}
- (IBAction)teaGardenAction:(id)sender
{
// user tapped "Tea Garden" button in the bottom toolbar
[self gotoByAnnotationClass:[CustomAnnotation class]];
}
- (IBAction)allAction:(id)sender
{
// user tapped "All" button in the bottom toolbar
// remove any annotations that exist
[self.mapView removeAnnotations:self.mapView.annotations];
// add all 3 annotations
[self.mapView addAnnotations:self.mapAnnotations];
[self gotoDefaultLocation];
}
#pragma mark - MKMapViewDelegate
// user tapped the disclosure button in the bridge callout
//
- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{
// here we illustrate how to detect which annotation type was clicked on for its callout
id <MKAnnotation> annotation1 = [view annotation];
if ([annotation1 isKindOfClass:[BridgeAnnotation class]])
{
NSLog(@"clicked Golden Gate Bridge annotation");
DetailViewController *detailViewController = [[self storyboard] instantiateViewControllerWithIdentifier:@"DetailViewController"];
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
{
// for iPad, we use a popover
if (self.bridgePopoverController == nil)
{
_bridgePopoverController = [[UIPopoverController alloc] initWithContentViewController:detailViewController];
}
[self.bridgePopoverController presentPopoverFromRect:control.bounds
inView:control
permittedArrowDirections:UIPopoverArrowDirectionLeft
animated:YES];
}
else
{
// for iPhone we navigate to a detail view controller using UINavigationController
[self.navigationController pushViewController:detailViewController animated:YES];
}
}
}
// user tapped the disclosure button in city of San Francisco callout
//
- (void)mapView:(MKMapView *)mapView annotationView2:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{
// here we illustrate how to detect which annotation type was clicked on for its callout
id <MKAnnotation> annotation2 = [view annotation];
if ([annotation2 isKindOfClass:[SFAnnotation class]])
{
NSLog(@"clicked City of San Francisco annotation");
DetailViewController *detailViewController2 = [[self storyboard] instantiateViewControllerWithIdentifier:@"DetailViewController2"];
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
{
// for iPad, we use a popover
if (self.sfPopoverController == nil)
{
_sfPopoverController = [[UIPopoverController alloc] initWithContentViewController:detailViewController2];
}
[self.sfPopoverController presentPopoverFromRect:control.bounds
inView:control
permittedArrowDirections:UIPopoverArrowDirectionLeft
animated:YES];
}
else
{
// for iPhone we navigate to a detail view controller using UINavigationController
[self.navigationController pushViewController:detailViewController2 animated:YES];
}
}
}
- (MKAnnotationView *)mapView:(MKMapView *)theMapView viewForAnnotation:(id <MKAnnotation>)annotation
{
MKAnnotationView *returnedAnnotationView = nil;
// in case it's the user location, we already have an annotation, so just return nil
if (![annotation isKindOfClass:[MKUserLocation class]])
{
// handle our three custom annotations
//
if ([annotation isKindOfClass:[BridgeAnnotation class]]) // for Golden Gate Bridge
{
returnedAnnotationView = [BridgeAnnotation createViewAnnotationForMapView:self.mapView annotation:annotation];
// add a detail disclosure button to the callout which will open a new view controller page or a popover
//
// note: when the detail disclosure button is tapped, we respond to it via:
// calloutAccessoryControlTapped delegate method
//
// by using "calloutAccessoryControlTapped", it's a convenient way to find out which annotation was tapped
//
UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
[rightButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];
((MKPinAnnotationView *)returnedAnnotationView).rightCalloutAccessoryView = rightButton;
}
else if ([annotation isKindOfClass:[SFAnnotation class]]) // for City of San Francisco
{
returnedAnnotationView = [SFAnnotation createViewAnnotationForMapView:self.mapView annotation:annotation];
// add a detail disclosure button to the callout which will open a new view controller page or a popover
//
// note: when the detail disclosure button is tapped, we respond to it via:
// calloutAccessoryControlTapped delegate method
//
// by using "calloutAccessoryControlTapped", it's a convenient way to find out which annotation was tapped
//
UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
[rightButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];
((MKPinAnnotationView *)returnedAnnotationView).rightCalloutAccessoryView = rightButton;
}
else if ([annotation isKindOfClass:[CustomAnnotation class]]) // for City of Tea Garden
{
returnedAnnotationView = [CustomAnnotation createViewAnnotationForMapView:self.mapView annotation:annotation];
// add a detail disclosure button to the callout which will open a new view controller page or a popover
//
// note: when the detail disclosure button is tapped, we respond to it via:
// calloutAccessoryControlTapped delegate method
//
// by using "calloutAccessoryControlTapped", it's a convenient way to find out which annotation was tapped
//
UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
[rightButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];
((MKPinAnnotationView *)returnedAnnotationView).rightCalloutAccessoryView = rightButton;
}
}
return returnedAnnotationView;
}
@end
答案 0 :(得分：0)
此方法：
- (void)mapView:(MKMapView *)mapView annotationView2:(MKAnnotationView *)view
calloutAccessoryControlTapped:(UIControl *)control
，因为它未命名为 完全 mapView:annotationView:calloutAccessoryControlTapped:。
命名方法annotationView2并不会自动将其与您的＆＃34;第二个＆＃34;注解。委托方法必须完全按协议的定义命名（在本例中为MKMapViewDelegate）。
您必须使用以下一种方法处理所有标注按钮：
- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view
calloutAccessoryControlTapped:(UIControl *)control
在那里，你可以检查注释的类并相应地处理（就像你已经在使用BridgeAnnotation）。例如：
if ([annotation1 isKindOfClass:[BridgeAnnotation class]])
{
//code for Bridge annotation...
}
else
if ([annotation1 isKindOfClass:[SFAnnotation class]])
{
//code for SF annotation...
}
else ...