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mapkit/view가 있는데 잘 작동합니다.하지만 2 - 10이 움직 인 후 내 앱이 추락했습니다 ...이 경우에만 "중단됨"이 표시됩니다.iPhone MapView가 중단되었습니다.
여기 내 코드의 일부입니다. 나는 그것이 배경 스레드와 배열 release/override 문제에 대한 문제라고 생각한다.
일부 배경 정보 : mapview 시작시 "세션"키 (MapKey)를 생성하고 서버 측 핀에 저장합니다. XML에는 빠른 응답과 짧은 XML을위한 새로운 핀만 포함됩니다.
// Update map when the user interacts with it
- (void)mapView:(MKMapView *)aMapView regionDidChangeAnimated:(BOOL)animated
{
MyAnnotation *annotation = [[MyAnnotation alloc] init];
MyAnnotation *ann = [[MyAnnotation alloc] init];
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
NSString *postBody = [[[NSString alloc] initWithFormat:@"single=0&lat=%f&lng=%f&sid=%@", mapView.centerCoordinate.latitude, mapView.centerCoordinate.longitude, [prefs stringForKey:@"MapKey"], [prefs stringForKey:@"MapKey"]] autorelease];
[self performSelectorInBackground:@selector(getMark:) withObject:postBody];
}
// make post and interact with verarbeiten
-(void) getMark:(NSString *)postBody
{
NSAutoreleasePool *ccpool = [[NSAutoreleasePool alloc] init];
NSString *urlStr = [[[NSString alloc] initWithFormat:@"http://URL/get.php"] autorelease];
NSMutableURLRequest *request;
NSData *postData = [postBody dataUsingEncoding:NSUTF8StringEncoding];
NSError *error;
NSURLResponse *response;
NSData *dataReply;
id stringReply;
request = [NSMutableURLRequest requestWithURL: [NSURL URLWithString:urlStr]];
[request setHTTPMethod: @"POST"];
[request setHTTPBody:postData];
[request setValue:@"text/xml" forHTTPHeaderField:@"Accept"];
dataReply = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
stringReply = (NSString *)[[[NSString alloc] initWithData:dataReply encoding:NSUTF8StringEncoding] autorelease];
[self performSelectorInBackground:@selector(verarbeiten:) withObject:stringReply];
[ccpool release];
}
//generate annotations array with annotations an set it to mapview
-(void) verarbeiten:(NSString *)stringReply
{
NSAutoreleasePool *bbpool = [[NSAutoreleasePool alloc] init];
CXMLDocument *rssParser = [[[CXMLDocument alloc] initWithXMLString:stringReply options:0 error:nil] autorelease];
NSMutableArray* annotations = [[NSMutableArray alloc] init];
NSArray *resultNodes = nil;
resultNodes = nil;
resultNodes = [rssParser nodesForXPath:@"//place" error:nil];
for (CXMLElement *resultElement in resultNodes)
{
MyAnnotation *ann = [[MyAnnotation alloc] init];
ann.title = [[resultElement childAtIndex:3] stringValue];
ann.subtitle = [[resultElement childAtIndex:5] stringValue];
ann.currentPoint = [NSNumber numberWithInt:[[[resultElement childAtIndex:1] stringValue] intValue]];
MKCoordinateRegion region = { {0.0, 0.0 }, { 0.0, 0.0 } };
region.center.latitude = [[[resultElement childAtIndex:9] stringValue] floatValue];
region.center.longitude = [[[resultElement childAtIndex:7] stringValue] floatValue];
ann.coordinate = region.center;
//[mapView addAnnotation:ann ];
[annotations addObject:ann];
}
[mapView addAnnotations:annotations ];
[annotations release];
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
[bbpool release];
}
- (MKAnnotationView *) mapView:(MKMapView *)mV viewForAnnotation:(MyAnnotation *) annotation
{
MKPinAnnotationView *pinView = nil;
if(annotation != mapView.userLocation)
{
static NSString *defaultPinID = @"de.my.pin";
pinView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:defaultPinID];
if (pinView == nil)
pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:defaultPinID] autorelease];
pinView.pinColor = MKPinAnnotationColorRed;
pinView.canShowCallout = YES;
pinView.animatesDrop = NO;
pinView.userInteractionEnabled = YES;
UIButton *btnVenue = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
btnVenue.tag = [annotation.currentPoint intValue];
[btnVenue addTarget:self action:@selector(showLinks:) forControlEvents:UIControlEventTouchUpInside];
pinView.rightCalloutAccessoryView = btnVenue;
}
else
{
[mapView.userLocation setTitle:@"You are here"];
}
return pinView;
}
#import "MyAnnotation.h"
@implementation MyAnnotation
@synthesize coordinate, title, subtitle,currentPoint;
-(void)dealloc
{
[title release];
[subtitle release];
[super dealloc];
}
@end
#import <Foundation/Foundation.h>
#import <MapKit/MKAnnotation.h>
@interface MyAnnotation : NSObject <MKAnnotation>
{
CLLocationCoordinate2D coordinate;
NSString *title;
NSString *subtitle;
NSNumber *currentPoint;
}
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
@property (nonatomic, copy) NSString *title;
@property (nonatomic, copy) NSString *subtitle;
@property(nonatomic, retain) NSNumber *currentPoint;
@end