Fix override values (#137)

* add methods to start native sdk from .net code

* start from AppCenterBehavior if needed

* support start native sdk's from AppCenterBehavior

* fix undeclared method error

* Fixes for StartFromLibrary

* Fix

* Fix access modifier

* Fix restoring overridden values

Assets/AppCenter/Plugins/AppCenterSDK/Analytics/iOS/PropertyConfiguratorInternal.cs

@@ -14,19 +14,40 @@ namespace Microsoft.AppCenter.Unity.Analytics.Internal
     public class PropertyConfiguratorInternal
     {
         public static void SetAppName(IntPtr propertyConfigurator, string appName)
+        {
+            if (appName == null) 
+            {
+                appcenter_unity_property_configurator_clear_app_name(propertyConfigurator);
+            } 
+            else 
             {
                 appcenter_unity_property_configurator_set_app_name(propertyConfigurator, appName);
             }
+        }
 
         public static void SetAppVersion(IntPtr propertyConfigurator, string appVersion)
+        {
+            if (appVersion == null) 
+            {
+                appcenter_unity_property_configurator_clear_app_version(propertyConfigurator);
+            } 
+            else 
             {
                 appcenter_unity_property_configurator_set_app_version(propertyConfigurator, appVersion);
             }
+        }
 
         public static void SetAppLocale(IntPtr propertyConfigurator, string appLocale)
+        {
+            if (appLocale == null) 
+            {
+                appcenter_unity_property_configurator_clear_app_locale(propertyConfigurator);
+            } 
+            else 
             {
                 appcenter_unity_property_configurator_set_app_locale(propertyConfigurator, appLocale);
             }
+        }
 
         public static void SetEventProperty(IntPtr propertyConfigurator, string key, string value)
         {
@@ -54,6 +75,15 @@ namespace Microsoft.AppCenter.Unity.Analytics.Internal
         [DllImport("__Internal")]
         private static extern void appcenter_unity_property_configurator_set_app_locale(IntPtr propertyConfigurator, string appLocale);
 
+        [DllImport("__Internal")]
+        private static extern void appcenter_unity_property_configurator_clear_app_name(IntPtr propertyConfigurator);
+
+        [DllImport("__Internal")]
+        private static extern void appcenter_unity_property_configurator_clear_app_version(IntPtr propertyConfigurator);
+
+        [DllImport("__Internal")]
+        private static extern void appcenter_unity_property_configurator_clear_app_locale(IntPtr propertyConfigurator);
+
         [DllImport("__Internal")]
         private static extern void appcenter_unity_property_configurator_set_event_property(IntPtr propertyConfigurator, string key, string value);
         

Assets/AppCenter/Plugins/iOS/Analytics/PropertyConfigurator.h

@@ -7,6 +7,9 @@
 extern "C" void appcenter_unity_property_configurator_set_app_name(MSPropertyConfigurator *configurator, char* appName);
 extern "C" void appcenter_unity_property_configurator_set_app_version(MSPropertyConfigurator *configurator, char* appVersion);
 extern "C" void appcenter_unity_property_configurator_set_app_locale(MSPropertyConfigurator *configurator, char* appLocale);
+extern "C" void appcenter_unity_property_configurator_clear_app_name(MSPropertyConfigurator *configurator);
+extern "C" void appcenter_unity_property_configurator_clear_app_version(MSPropertyConfigurator *configurator);
+extern "C" void appcenter_unity_property_configurator_clear_app_locale(MSPropertyConfigurator *configurator);
 extern "C" void appcenter_unity_property_configurator_collect_device_id(MSPropertyConfigurator *configurator);
 extern "C" void appcenter_unity_property_configurator_set_event_property(MSPropertyConfigurator *configurator, char* key, char* value);
 extern "C" void appcenter_unity_property_configurator_remove_event_property(MSPropertyConfigurator *configurator, char* key);

Assets/AppCenter/Plugins/iOS/Analytics/PropertyConfigurator.mm

@@ -18,6 +18,18 @@ extern "C" void appcenter_unity_property_configurator_set_app_locale(MSPropertyC
   return [configurator setAppLocale: [NSString stringWithUTF8String:appLocale]];
 }
 
+extern "C" void appcenter_unity_property_configurator_clear_app_name(MSPropertyConfigurator *configurator) {
+  return [configurator setAppName: nil];
+}
+
+extern "C" void appcenter_unity_property_configurator_clear_app_version(MSPropertyConfigurator *configurator) {
+  return [configurator setAppVersion: nil];
+}
+
+extern "C" void appcenter_unity_property_configurator_clear_app_locale(MSPropertyConfigurator *configurator) {
+  return [configurator setAppLocale: nil];
+}
+
 extern "C" void appcenter_unity_property_configurator_collect_device_id(MSPropertyConfigurator *configurator) {
   // [configurator collectDeviceId];
   // Will be uncommented after the release.