How to create MKCoordinateRegion .
NSString *latitudeString = [locationString substringToIndex:startRange.location];
NSString *longtitudeString = [locationString substringWithRange:NSMakeRange(startRange.location+2,((endRange.location-1)-(startRange.location+2)))];
CLLocationCoordinate2D coord = CLLocationCoordinate2DMake((int)latitudeString, (int)longtitudeString);
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(coord, 500, 500);`
I get the error "Invalid Region center:+392128672.00000000, +392128704.00000000 span:+0.00448287, -0.01195557"
Remove the type casting. Use below code.
CLLocationCoordinate2D coord = CLLocationCoordinate2DMake([latitudeString doubleValue], [longtitudeString doubleValue]);
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(coord, 500, 500);