kindly advice me to display x number of annotation points in mkmap - objective-c

Question

Good morning, I am very new to objective-c now I am developing my first app. It's a vehicle tracking app. I received the x-number of lat & long from the json service. Now I displayed a single annotation but I need to display all the annotation points which i received from the service here I search for a whole day to find this but am fails to find displaying x-num of annotations. So kindly advice me by using some sample codes. Thanks in Advance... My code is..
- (void)viewDidLoad
{
[super viewDidLoad];
//MAP VIEW WebService
NSString *urlMapString=[NSString stringWithFormat:#"http://www.logix.com/logix_webservice/map.php?format=json&truckno=%#",nam2];
NSURL *urlMap=[NSURL URLWithString:urlMapString];
NSData *dataMap=[NSData dataWithContentsOfURL:urlMap];
NSError *errorMap;
NSDictionary *jsonMap = [NSJSONSerialization JSONObjectWithData:dataMap options:kNilOptions error:&errorMap]; NSArray *resultsMap = [jsonMap valueForKey:#"posts"];
NSArray *resMap = [resultsMap valueForKey:#"post"];
NSArray *latitudeString=[resMap valueForKey:#"latitude"];
if([resMap count]){
NSString *latOrgstring = [latitudeString objectAtIndex:0];
double latitude=[latOrgstring doubleValue];
NSArray *longitudeString=[resMap valueForKey:#"longitude"];
NSString *longOrgstring = [longitudeString objectAtIndex:0];
double longitude=[longOrgstring doubleValue];
NSString *ignation=[[resMap valueForKey:#"ignition"]objectAtIndex:0];
i=[ignation intValue];
//MAP VIEW Point
MKCoordinateRegion myRegion;
//Center
CLLocationCoordinate2D center;
center.latitude=latitude;
center.longitude=longitude;
//Span
MKCoordinateSpan span;
span.latitudeDelta=0.01f;
span.longitudeDelta=0.01f;
myRegion.center=center;
myRegion.span=span;
//Set our mapView
[MapViewC setRegion:myRegion animated:YES];
//Annotation
//1.create coordinate for use with the annotation
CLLocationCoordinate2D wimbLocation;
wimbLocation.latitude=latitude;
wimbLocation.longitude=longitude;
Annotation * myAnnotation= [Annotation alloc];
CLLocation *someLocation=[[CLLocation alloc]initWithLatitude:latitude longitude:longitude];
CLGeocoder *geocoder = [[CLGeocoder alloc] init];
[geocoder reverseGeocodeLocation:someLocation completionHandler:^(NSArray *placemarks, NSError *error) {
NSDictionary *dictionary = [[placemarks objectAtIndex:0] addressDictionary];
addressOutlet=[dictionary valueForKey:#"Street"];
City=[dictionary valueForKey:#"City"];
State=[dictionary valueForKey:#"State"];
myAnnotation.coordinate=wimbLocation;
if (addressOutlet!=NULL&&City!=NULL)
{
myAnnotation.title=addressOutlet;
myAnnotation.subtitle=[NSString stringWithFormat:#"%#,%#", City, State];
}
else if (addressOutlet==NULL&&City!=NULL)
{
myAnnotation.title=City;
myAnnotation.subtitle=[NSString stringWithFormat:#"%#,%#", City, State];
}
else if (addressOutlet!=NULL&&City==NULL)
{
myAnnotation.title=addressOutlet;
myAnnotation.subtitle=[NSString stringWithFormat:#"%#", State];
}
else if(addressOutlet==NULL&&City==NULL)
{
myAnnotation.title=State;
myAnnotation.subtitle=[NSString stringWithFormat:#"%#",State];
}
[self.MapViewC addAnnotation:myAnnotation];
}];
}
}

Answer 1

Please make an individual class and use by importing .
Now use
-(id)initWithCoordinate:(CLLocationCoordinate2D)c;
and its .m file
-(id)initWithCoordinate:(CLLocationCoordinate2D)c
{
coordinate=c;
}
Now call this class anywhere and call this method and send your location coordinates.
and then add its objects into NSArray.
Now call [YourMapView addAnnotations:arrayOfAnnotations];
You will get it what you want.It works in my case I hope you will find it supportive.
Now add annotations on mapView:
-(MKAnnotationView *) mapView:(MKMapView *)mapV
viewForAnnotation:(id<MKAnnotation>)annotation
{
if ([annotation isKindOfClass:[pinAnnotation class]])
{
static NSString *defaultPinID = #"com.ABC.pin";//Your unique identifier anything
MKAnnotationView *pinView = nil;
if(!pinView)
{
pinView = (MKAnnotationView *)
[self.mapView dequeueReusableAnnotationViewWithIdentifier:defaultPinID];
pinView = [[MKAnnotationView alloc] initWithAnnotation:
annotation reuseIdentifier:defaultPinID] ;
return pinView;
}
static NSString *AnnotationViewID = #"annotationViewID";
MKAnnotationView* pin =
(MKAnnotationView*) [mapV dequeueReusableAnnotationViewWithIdentifier:
AnnotationViewID];
if ( pin == nil ) {
pin = [(MKAnnotationView*) [MKAnnotationView alloc]
initWithAnnotation:annotation reuseIdentifier: AnnotationViewID] ;
pin.canShowCallout = YES;
}
else
{
[pin setAnnotation: annotation];
}
((MKUserLocation *)annotation).title = #"You are here";
return pin;
}