Only add one route overlay - replace it each time.

nmeierpolys · Mar 23, 2012 · b623b66 · b623b66
1 parent 9855cf4
commit b623b66
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/Classes/DetailViewController.h b/Classes/DetailViewController.h
@@ -17,6 +17,7 @@
                                                     MFMailComposeViewControllerDelegate> {
 	CoreLocationController *CLController;
     CLGeocoder *reverseGeo;
+    MKPolyline *route;
 
     MyLocation *tempAnnotation;
 
@@ -65,6 +66,7 @@
 @property (nonatomic, retain) UIViewController *parentTable;
 @property (nonatomic, retain) NSDate *lastUpdate;
 @property (nonatomic, retain) NSDate *idleTime;
+@property (nonatomic, retain) MKPolyline *route;
 @property CLLocationDegrees previousLat;
 @property CLLocationDegrees previousLong;
 @property int selectedLocationIndex;

diff --git a/Classes/DetailViewController.m b/Classes/DetailViewController.m
@@ -27,6 +27,7 @@ @implementation DetailViewController
 @synthesize idleTime;
 @synthesize addresses;
 @synthesize appSettingsViewController;
+@synthesize route;
 
 - (IASKAppSettingsViewController*)appSettingsViewController {
 	if (!appSettingsViewController) {
@@ -313,8 +314,10 @@ - (void)drawRouteLines
         i++;
     }
 
-    MKPolyline *route = [MKPolyline polylineWithCoordinates: coordinates count: self.selectedTrip.locations.count];
+    MKPolyline *newRoute = [MKPolyline polylineWithCoordinates: coordinates count: self.selectedTrip.locations.count];
-    [self.mapView addOverlay:route];
+    [self.mapView addOverlay:newRoute];
+    [self.mapView removeOverlay:route];
+    route = newRoute;
 }
 
 - (MKOverlayView *)mapView:(MKMapView *)mapView viewForOverlay:(id <MKOverlay>)overlay {

diff --git a/...eproj/project.xcworkspace/xcuserdata/Nathaniel.xcuserdatad/UserInterfaceState.xcuserstate b/...eproj/project.xcworkspace/xcuserdata/Nathaniel.xcuserdatad/UserInterfaceState.xcuserstate