Doesn't display the overlay until you can close Vuforia. (#85)

src/ios/ImageTargets/ImageTargetsViewController.mm

@@ -56,7 +56,6 @@ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
         self.title = @"Image Targets";
 
         // get whether the user opted to show the device icon
-        bool showDevicesIcon = [[self.overlayOptions objectForKey:@"showDevicesIcon"] integerValue];
 
         // Create the EAGLView with the screen dimensions
         CGRect screenBounds = [[UIScreen mainScreen] bounds];
@@ -89,8 +88,20 @@ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
          selector:@selector(resumeAR)
          name:UIApplicationDidBecomeActiveNotification
          object:nil];
+         [self loadOverlay];
+    }
+    return self;
+}
+
+-(void) loadOverlay {
+    if(!vapp.cameraIsStarted){
+        [self performSelector:@selector(loadOverlay) withObject:nil afterDelay:0.1];
+    }else{
 
         // set up the overlay back bar
+
+        bool showDevicesIcon = [[self.overlayOptions objectForKey:@"showDevicesIcon"] integerValue];
+
         UIView *vuforiaBarView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 75)];
         vuforiaBarView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.5f];
         vuforiaBarView.tag = 8;
@@ -162,7 +173,6 @@ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
             }
         }
     }
-    return self;
 }
 
 -(void)buttonPressed {
@@ -614,7 +624,7 @@ - (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIVi
         if(!self.delaying) {
             self.delaying = true;
 
-            [self performSelector:@selector(startVuforia) withObject:nil afterDelay:1];
+
         }
 
         CGRect mainBounds = [[UIScreen mainScreen] bounds];