#1216 - Adding start and stop location manager update to pause and resume functions.

include/mbgl/ios/MGLMetricsLocationManager.h

@@ -2,8 +2,10 @@
 
 @interface MGLMetricsLocationManager : NSObject
 
-// This method can be called from any thread.
+// These methods can be called from any thread.
 //
 + (instancetype)sharedManager;
++ (void) startUpdatingLocation;
++ (void) stopUpdatingLocation;
 
 @end

platform/ios/MGLMapboxEvents.m

@@ -231,6 +231,7 @@ NSString *const MGLEventGestureRotateStart = @"Rotation";
 + (void) pauseMetricsCollection {
     assert([[NSThread currentThread] isMainThread]);
     [MGLMapboxEvents sharedManager].isPaused = YES;
+    [MGLMetricsLocationManager stopUpdatingLocation];
 }
 
 // Must be called from the main thread.
@@ -238,6 +239,7 @@ NSString *const MGLEventGestureRotateStart = @"Rotation";
 + (void) resumeMetricsCollection {
     assert([[NSThread currentThread] isMainThread]);
     [MGLMapboxEvents sharedManager].isPaused = NO;
+    [MGLMetricsLocationManager startUpdatingLocation];
 }
 
 // Can be called from any thread. Can be called rapidly from
@@ -268,6 +270,11 @@ NSString *const MGLEventGestureRotateStart = @"Rotation";
             return;
         }
         
+        // Metrics Collection Has Been Paused
+        if (_isPaused) {
+            return;
+        }
+        
         if (!event) return;
 
         NSMutableDictionary *evt = [[NSMutableDictionary alloc] initWithDictionary:attributeDictionary];