feat: add carrier info (#27)

* feat: add carrier info * feat: add macro for the build * feat: use where instead of for if, add comment to plugin example * fix: typo
amplitude · Dec 16, 2022 · 3a946d8 · 3a946d8
1 parent 1323f65
commit 3a946d8
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 8 deletions.
diff --git a/...AmplitudeSwiftUIExample/AmplitudeSwiftUIExample/ExamplePlugins/IDFACollectionPlugin.swift b/...AmplitudeSwiftUIExample/AmplitudeSwiftUIExample/ExamplePlugins/IDFACollectionPlugin.swift
@@ -5,6 +5,7 @@
 //  Created by Alyssa.Yu on 12/7/22.
 //
 
+// This plugin example currently supports iOS 14+ only.
 // NOTE: You can see this plugin in use in the AmplitudeSwiftUIExample application.
 //
 // This plugin is NOT SUPPORTED by Amplitude.  It is here merely as an example,

diff --git a/Sources/Amplitude/Plugins/ContextPlugin.swift b/Sources/Amplitude/Plugins/ContextPlugin.swift
@@ -5,6 +5,9 @@
 //  Created by Marvin Liu on 10/28/22.
 //
 
+#if os(iOS)
+import CoreTelephony
+#endif
 import Foundation
 
 class ContextPlugin: Plugin {
@@ -63,14 +66,18 @@ class ContextPlugin: Plugin {
             staticContext["language"] = Locale.preferredLanguages[0]
         }
 
-        // TODO: need to add logic for multi carrier
-        /* let networkInfo = NSClassFromString("CTTelephonyNetworkInfo")
-        if networkInfo != nil {
-            let subscriberCellularProvider = NSSelectorFromString("subscriberCellularProvider")
-            let carrier = networkInfo?.method(for: subscriberCellularProvider) ?? "unknown"
-            staticContext["carrier"] = carrier
+        var carrier = "Unknown"
+        #if os(iOS)
+        let networkInfo = CTTelephonyNetworkInfo()
+        if let providers = networkInfo.serviceSubscriberCellularProviders {
+            for (_, provider) in providers where provider.mobileNetworkCode != nil {
+                carrier = provider.carrierName ?? carrier
+                // As long as we get one carrier information, we break.
+                break
+            }
         }
-        */
+        #endif
+        staticContext["carrier"] = carrier
 
         if Locale.preferredLanguages.count > 0 {
             staticContext["country"] = Locale.current.regionCode
@@ -141,7 +148,7 @@ class ContextPlugin: Plugin {
         if trackingOptions?.shouldTrackIDFV() ?? false {
             event.idfv = context["idfv"] as? String
         }
-        if (trackingOptions?.shouldTrackLatLng() ?? false) && (self.amplitude?.locationInfoBlock != nil)  {
+        if (trackingOptions?.shouldTrackLatLng() ?? false) && (self.amplitude?.locationInfoBlock != nil) {
             let location = self.amplitude?.locationInfoBlock!()
             event.locationLat = location?.lat
             event.locationLng = location?.lng