I am using MapKit in my app and trying to pin a coordinate (in Simulator).
In the map view, I can see the pin but the map is not loading and I get the following error in the console:
/SourceCache/ProtocolBuffer_Sim/ProtocolBuffer-91/Runtime/PBRequester.m:687 server returned error:400
//First in your .h file make an object of mapview
MKMapView *mymapView;
// Then in viewDidLoad of your .m file add this
mymapView.mapType = MKMapTypeStandard;
mymapView.scrollEnabled = YES;
mymapView.zoomEnabled = YES;
[mymapView setDelegate:self];
mymapView.showsUserLocation = NO;
annotation *ann = [[annotation alloc]init]; //annotation is my custom class of markers
ann.title = #" ";
ann.subtitle = #" ";
ann.coordinate = yourCordinates;
[mymapView addAnnotation:ann];
//Make sure that you have successfuly added the MapKit framework
Is the map in the Map app loading? If you're talking about the google base map and it doesn't load in your app, but does in the official Map app, then there are lots of people who want to know how you did that because there is no known way to block those tiles.
Related
In my app there is a contact us view that will have a button to open the company's address. So My code works fine in iOS6 and I know it should be different for iOS 5 but couldn't find the proper way to do it.
Here is my code:
// Check for iOS 6
BOOL iOS6 = NO;
Class mapItemClass = [MKMapItem class];
if (mapItemClass && [mapItemClass respondsToSelector:#selector(openMapsWithItems:launchOptions:)])
iOS6 = YES;
switch (buttonIndex) {
case 0:
if (iOS6)
{
// Create an MKMapItem to pass to the Maps app
CLLocationCoordinate2D coordinate =
CLLocationCoordinate2DMake(26.375561, 50.170305);
MKPlacemark *placemark = [[MKPlacemark alloc] initWithCoordinate:coordinate
addressDictionary:nil];
MKMapItem *mapItem = [[MKMapItem alloc] initWithPlacemark:placemark];
[mapItem setName:#"Industrial Projects Technologies"];
// Pass the map item to the Maps app
[mapItem openInMapsWithLaunchOptions:nil];
}
else
{
// Use the iOS 5 method
}
break;
Use this code for iOS5 for showing source to destination route
[[UIApplication sharedApplication]openURL:[NSURL URLWithString:[NSString stringWithFormat:#"http://maps.apple.com/?daddr=%#,%#&saddr=%#,%#",latitudeOfDestinationLocation,longitudeOfDestinationLocation,latitudeOfSourceLocation,longitudeOfSourceLocation]]];
To show particular point in map
maps.google.com/?q=latitude,longitude
Example: maps.google.com/?q=26.375561,50.170305
You can also refer to this link.
I wondered if it is possible to create navigation route within MKMapView on iOS 6 instead of opening the built-in Maps application?
I googled it but didn't find any answer.
This is the code I'm using now (that is opening the built-in Maps app):
-(IBAction) navigation
{
if (SYSTEM_VERSION_LESS_THAN(#"6.0"))
{
NSString *destinationString = #"Afek, Israel";
NSString *url = [NSString stringWithFormat: #"http://maps.google.com/maps?saddr=%f,%f&daddr=%#",wedMapView.userLocation.coordinate.latitude,wedMapView.userLocation.coordinate.longitude, destinationString];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
}
else
{
Class mapItemClass = [MKMapItem class];
if (mapItemClass && [mapItemClass respondsToSelector:#selector(openMapsWithItems:launchOptions:)])
{
double latitude = 32.83431728836292;
double longitude = 35.128666162490845;
MKPlacemark *placemark = [[[MKPlacemark alloc] initWithCoordinate:CLLocationCoordinate2DMake(latitude, longitude) addressDictionary:nil] autorelease];
//[mapItem setName:#"Name of your location"];
// Create a map item for the geocoded address to pass to Maps app
MKMapItem *mapItem = [[MKMapItem alloc] initWithPlacemark:placemark];
[mapItem setName:#"שמורתה, קיבוץ אפק"];
// Set the directions mode to "Driving"
// Can use MKLaunchOptionsDirectionsModeWalking instead
NSDictionary *launchOptions = #{MKLaunchOptionsDirectionsModeKey : MKLaunchOptionsDirectionsModeDriving};
// Get the "Current User Location" MKMapItem
MKMapItem *currentLocationMapItem = [MKMapItem mapItemForCurrentLocation];
// Pass the current location and destination map items to the Maps app
// Set the direction mode in the launchOptions dictionary
[MKMapItem openMapsWithItems:#[currentLocationMapItem, mapItem] launchOptions:launchOptions];
};
}
}
And this is the MKMapView I Have that I want to make turn by turn route when I press the blue map button (above the Waze button):
Thanks for the help.
iOS 6 does not provide the app with directions, it relies on the built-in Maps app to do that. So if you want to show directions with in your app you'll need to find a service for calculating the route. You can't use Google because they only allow you to use their data on their maps, not on Apple's. You could look into CloudMade and OpenStreetMap, but you'd have to give up using iOS 6's maps for that. They come with their open UI components.
I am implementing a mapView whereby an annotation will be placed when the user search for an address. But somehow, the annotation sometime doesn't move and update to the new coordinate. It's only upon zooming the map, then will it update to the new location. The subtitle did get updated though.
- (void)searchBarSearchButtonClicked:(UISearchBar *)theSearchBar {
SVGeocoder *geocodeRequest = [[SVGeocoder alloc] initWithAddress:searchBar.text inRegion:#"sg"];
[geocodeRequest setDelegate:self];
[geocodeRequest startAsynchronous];
}
- (void)geocoder:(SVGeocoder *)geocoder didFindPlacemark:(SVPlacemark *)placemark {
if (annotation) {
[annotation moveAnnotation:placemark.coordinate];
annotation.subtitle = [NSString
stringWithFormat:#"%#", placemark.formattedAddress];
}
else {
annotation = [[MyAnnotation alloc]
initWithCoordinate:placemark.coordinate
title:#"Tap arrow to use address"
subtitle:[NSString
stringWithFormat:#"%#", placemark.formattedAddress]];
[mapView addAnnotation:annotation];
}
MKCoordinateSpan span;
span.latitudeDelta = .001;
span.longitudeDelta = .001;
MKCoordinateRegion region;
region.center = placemark.coordinate;
region.span = span;
[mapView setRegion:region animated:TRUE];
[searchBar resignFirstResponder];
}
I don't think MKMapView gets notified of changes to an annotation's location. The documentation of MKAnnotation's setCoordinate: says: "Annotations that support dragging should implement this method to update the position of the annotation." so it seems that's the only purpose of this method is for supporting dragging of pins.
Try removing the annotation from the map view before changing its coordinates and then add it back to the map view.
Nothing in your code (that you've shown) tells mapView that the annotation's location has changed. The annotation itself probably can't do it in -moveAnnotation because annotations generally don't know what map or maps they've been added to (nor should they).
The right way to move an annotation is to to remove it from the MKMapView that's using it, update its location, and then add it back to the map. You can't just change the annotation's location after it has been added to the map because the map may very well cache the location or sort the annotation according to its location, and there's no method in MKMapView to tell the map that the location has changed.
I'd change your conditional to something like this:
if (annotation == nil) {
annotation = [[MyAnnotation alloc] init];
annotation.title = #"Tap arrow to use address";
}
[mapView removeAnnotation:annotation];
[annotation moveAnnotation:placemark.coordinate];
annotation.subtitle = placemark.formattedAddress;
[mapView addAnnotation:annotation];
This assumes that it's safe to call -init in place of -initWithCoordinate:title:subtitle:; if not, you'll want to change that.
I am trying to change the pin colour from the default red to a custom image but whatever I am trying just isn't working.
I have downloaded the sample code from this website:
http://icodeblog.com/2009/12/21/introduction-to-mapkit-in-iphone-os-3-0/
The code works on it's own but when I import the annotation classes into my code, they do not work and I have no idea why. I have also tried a number of different methods from other sites but I can't even get the pin colour to change.
My project has 4 tabs and the MapView is on one of the tabs. When I select it, it parses a JSON string and adds the separate annotations onto the map. i have the title and subtitle showing up when I click on the pin, but cannot change the colour or image.
Here is how I add my annotations - MapAnnotation follows MKAnnotation:
MapAnnotation *ann = [[MapAnnotation alloc] initWithCoordinate:newCoord];
ann.title = [locationDictionary objectForKey:#"name"];
ann.subtitle = [locationDictionary objectForKey:#"name"];
[mapView addAnnotation:ann];
[ann release]
Here is how I try and attempt to change the colour - I have MapView.delegate=self in the view controller:
- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation{
MKPinAnnotationView *pin = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:[annotation title]];
if (pin == nil) {
pin = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:[annotation title]] autorelease];
}else {
pin.annotation = annotation;
}
pin.pinColor = MKPinAnnotationColorGreen;
pin.animatesDrop = YES;
pin.canShowCallout = TRUE;
return pin;
}
I get the annotations to appear with title and subtitle, just not green markers. They're always red wether I use colours or images. If anyone could help me out, that would be great!
Thanks
EDIT:
The mapView delegate is assigned in the viewDidLoad method. I also add an Overlay to a certain part of the map. This is working fine, I have also taken it out and tried it without that incase it was causing a problem but it still didn't fix it.
- (void)viewDidLoad {
[super viewDidLoad];
MKCoordinateRegion cordRgn;
LusuAppAppDelegate *delegate =[[UIApplication sharedApplication]delegate];
if (delegate.CurrentLocation == 0) {
cordRgn.center.latitude = (CENTRE_OF_POSITION_2_LAT);
cordRgn.center.longitude = (CENTRE_OF_POSITION_2_LON);
delegate.CurrentLocation = 1;
}else if (delegate.CurrentLocation == 1) {
cordRgn.center.latitude = (CENTRE_OF_POSITION_1_LAT);
cordRgn.center.longitude = (CENTRE_OF_POSITION_1_LON);
delegate.CurrentLocation = 0;
}
cordRgn.span.latitudeDelta = 0.009f;
cordRgn.span.longitudeDelta = 0.009f;
self.locationManager = [[CLLocationManager alloc] init];
locationManager.delegate = self;
locationManager.desiredAccuracy = kCLLocationAccuracyBest;
[locationManager startUpdatingLocation];
[locationManager startUpdatingHeading];
//add overlay
MKRasterOverlay *overlay = [[MKRasterOverlay alloc] init];
[overlay setCoordinate:CLLocationCoordinate2DMake(54.005508, -2.780507)];
MKMapRect mkrect;
MKMapPoint mkpointa, mkpointb;
mkrect.origin = MKMapPointForCoordinate(CLLocationCoordinate2DMake(54.016964, -2.794862));
mkpointa = MKMapPointForCoordinate(CLLocationCoordinate2DMake(54.016964, 2.000000));
mkpointb = MKMapPointForCoordinate(CLLocationCoordinate2DMake(54.001447, 2.013770));
mkrect.size.width = mkpointb.x - mkpointa.x;
mkrect.size.height = mkpointb.y - mkpointa.y;
overlay.boundingMapRect = mkrect;
mapView.delegate = self;
[mapView addOverlay:overlay];
[mapView setRegion:cordRgn animated:NO];
[self.mapView setShowsUserLocation:YES];
[self doAnnotations];
}
The doAnnotations function is the code shown above but in a loop. Thanks again for your help.
Your code looks fine to me. I suspect you have an error in your delegate assignment and mapView:viewForAnimation is not actually being called. An MKMapView without a delegate providing that function will work fine, with red pins for all annotations. Try adding some NSLog statements or setting a breakpoint in the debugger to make sure you're actually executing this code.
You probably already know this, but using your own images will require you to create pins that are MKAnnotationViews rather than MKAnnotationPinViews.
I use this tutorial for integrating MapKit to my application:
http://iphonebcit.wordpress.com/iphone-map-kit-tutorial/
CLLocationCoordinate2D coordinate;
coordinate.latitude = 49.2802;
coordinate.longitude = -123.1182;
NSUInteger count = 1;
for(int i = 0; i < 10; i++) {
CGFloat latDelta = rand()*.035/RAND_MAX - .02;
CGFloat longDelta = rand()*.03/RAND_MAX - .015;
CLLocationCoordinate2D newCoord = {coordinate.latitude+latDelta, coordinate.longitude+longDelta};
MapDemoAnnotation* annotation = [[MapDemoAnnotation alloc] initWithCoordinate:newCoord andID:count++];
[mapView addAnnotation:annotation];
[annotation release];
}
and
- (MKAnnotationView *)mapView:(MKMapView *)mapViewLocal viewForAnnotation:(id <MKAnnotation>)annotation {
MKPinAnnotationView *pinView = (MKPinAnnotationView*)[mapViewLocal dequeueReusableAnnotationViewWithIdentifier:#"Pin"];
if(pinView == nil) {
pinView = [[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:#"Pin"];
pinView.pinColor = MKPinAnnotationColorPurple;
pinView.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
pinView.animatesDrop = YES;
pinView.canShowCallout = YES;
} else {
pinView.annotation = annotation;
}
return pinView;
}
So the pins will set on the map randomly. In my application, the coordinates will change. How can I change the coordinates of the annotations, so they will be updated on the map?
Does anyone know?
At iPhone SDK 3.x you have to remove the pin annotations and set it again. That is not very nice if you have many annotations an your map.
I try to make it better so I ony display/renew my pin annotations which are on the screen. So if an user zoom in to New York, there won't be pin annotations in San Francisco or other than the user can't see. So the performance will be much better.
Perhaps in the future this would be possible. I hope so :-)
That tutorial is only for getting a map view to show, nothing else. You're going to need a bigger tutorial. I found this one useful:
http://blog.objectgraph.com/index.php/2009/04/02/iphone-sdk-30-playing-with-map-kit/
Probably what you'll need to do is to loop through all the annotations on the map, removing them, then loop through your data array, adding the annotations back again. You could be more clever about it and loop through the data array, checking if there's already a pin with the same latitude/longitude on the map, but that way gets more complicated.
Since I'm doing annotations at the moment I just made a quick test. You do get a compiler warning, so it might not be supported. But it works.
Make a custom MKAnnotation class so you can set the coordinate property to be writable:
#property (nonatomic, readwrite) CLLocationCoordinate2D coordinate;
Then at whatever event or interval you want, change the coordinate using something like this:
CLLocation *loc=[[CLLocation alloc] initWithLatitude:55.0 longitude:17.0];
annotation.coordinate=loc.coordinate;
[loc release];