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2014/10/15 ¤U¤È 10:11:25

iphone Programming Glossary: mkcoordinateregionmakewithdistance

userLocation: latitude/longitude return zero?

http://stackoverflow.com/questions/3178965/userlocation-latitude-longitude-return-zero

myMapView userLocation CLLocationCoordinate2D coord myLocation location coordinate MKCoordinateRegion region MKCoordinateRegionMakeWithDistance coord 350 350 myMapView setRegion region animated YES void viewDidLoad super viewDidLoad myMapView setShowsUserLocation..

Convert span value into meters on a mapview

http://stackoverflow.com/questions/5270485/convert-span-value-into-meters-on-a-mapview

to know how many meters are currently represented on the map width or height . What i need is the inverse function of MKCoordinateRegionMakeWithDistance to calculate the distance represented by the current map span. I tried the following code but i get wrong results void mapView..

How to trigger a video when a user reaches a certain location?

http://stackoverflow.com/questions/6995443/how-to-trigger-a-video-when-a-user-reaches-a-certain-location

mapView didUpdateUserLocation MKUserLocation u CLLocationCoordinate2D loc u coordinate MKCoordinateRegion region MKCoordinateRegionMakeWithDistance loc 250 250 worldView setRegion region animated YES void locationUpdate CLLocation location locLabel.text location description.. MKMapView retains its annotations we can release mp release Zoom the region to this location MKCoordinateRegion region MKCoordinateRegionMakeWithDistance coord 50 50 worldView setRegion region animated YES locationManager stopUpdatingLocation void locationError NSError error..

Optimizing Code for MKMapView - Large Number of Annotations

http://stackoverflow.com/questions/7921106/optimizing-code-for-mkmapview-large-number-of-annotations

zoomLocation zoomLocation.latitude 51.50801 zoomLocation.longitude 0.12789 MKCoordinateRegion viewRegion MKCoordinateRegionMakeWithDistance zoomLocation 15 METERS_PER_MILE 15 METERS_PER_MILE MKCoordinateRegion adjustedRegion mapViewLink regionThatFits viewRegion..

iOS - Linker Error, Duplicate Symbol

http://stackoverflow.com/questions/9881721/ios-linker-error-duplicate-symbol

bezierPathWithRect self.view.layer.bounds .CGPath self.view.clipsToBounds NO MKCoordinateRegion viewRegion MKCoordinateRegionMakeWithDistance CLLocationCoordinate2DMake 30.451667 84.268533 16090.344 16090.344 viewRegion _map regionThatFits viewRegion _map setRegion..