fix(ios): fix custome location provider add/remove (#3416)

Author: mfazekas

ios/RNMBX/RNMBXCustomLocationProvider.swift

@@ -1,5 +1,7 @@
 import MapboxMaps
 
+let TAG = "RNMBXCustomLocationProvider"
+
 @objc
 public class RNMBXCustomLocationProvider: UIView, RNMBXMapComponent {
   var map: RNMBXMapView? = nil
@@ -118,16 +120,21 @@ extension RNMBXCustomLocationProvider {
       let customLocationProvider = CustomLocationProvider()
       self.customLocationProvider = customLocationProvider
       if let locationModule = RNMBXLocationModule.shared {
-        locationModule.override(for: mapView.location)
         locationModule.locationProvider = customLocationProvider
-        // mapView.location.overrideLocationProvider(with: customLocationProvider!)
+        locationModule.override(for: mapView.location)
+      } else {
+        Logger.error(TAG, "RNMBXLocationModule.shared is nil")
+        mapView.location.overrideLocationProvider(with: customLocationProvider)
       }
 
     }
   }
 
   func removeCustomLocationProvider(mapView: MapView) {
-    if let provider = defaultLocationProvider {
+    if let locationModule = RNMBXLocationModule.shared {
+      locationModule.resetLocationProvider()
+      locationModule.override(for: mapView.location)
+    } else if let provider = defaultLocationProvider {
       mapView.location.overrideLocationProvider(with: provider)
     }
     customLocationProvider = nil

ios/RNMBX/RNMBXLocationModule.swift

@@ -460,6 +460,7 @@ class RNMBXLocationModule: RCTEventEmitter, LocationProviderRNMBXDelegate {
   var hasListener = false
 
   var locationProvider : LocationProvider
+  var defaultLocationProvider : LocationProvider? = nil
 
   var locationEventThrottle : (
     waitBetweenEvents: Double?,
@@ -471,6 +472,7 @@ class RNMBXLocationModule: RCTEventEmitter, LocationProviderRNMBXDelegate {
 
   override init() {
     locationProvider = LocationProviderRNMBX()
+    defaultLocationProvider = locationProvider
     super.init()
     if let locationProvider = locationProvider as? LocationProviderRNMBX {
       locationProvider.delegate = self
@@ -568,6 +570,12 @@ class RNMBXLocationModule: RCTEventEmitter, LocationProviderRNMBXDelegate {
     }
   }
 
+  func resetLocationProvider() {
+    if let defaultLocationProvider = defaultLocationProvider {
+      self.locationProvider = defaultLocationProvider
+    }
+  }
+
   // MARK: - location event throttle
   @objc
   func setLocationEventThrottle(_ throttleValue:NSNumber) {

ios/RNMBX/RNMBXLogging.swift

@@ -78,6 +78,10 @@ public class Logger {
     }
   }
 
+  public static func error(_ tag: String, _ message: String) {
+    log(level: .error, tag: tag, message: message)
+  }
+
   public static func error(_ message: String) {
     log(level: .error, message: message)
   }