Enable Nearby logger writer for iOS

PiperOrigin-RevId: 764442996

connections/c/BUILD

@@ -52,7 +52,12 @@ cc_library(
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/types:span",
-    ],
+    ] + select({
+        "@platforms//os:platform_ios": [
+            "//internal/platform/implementation/apple:logger_writer",
+        ],
+        "//conditions:default": [],
+    }),
 )
 
 # iOS only.

connections/c/nc.cc

@@ -49,6 +49,9 @@
 #include "internal/platform/byte_array.h"
 #include "internal/platform/file.h"
 #include "internal/platform/logging.h"
+#if TARGET_OS_IOS
+#include "internal/platform/implementation/apple/nearby_logger_writer.h"
+#endif  // TARGET_OS_IOS
 
 namespace nearby::connections {
 class Core;
@@ -221,6 +224,12 @@ NcContext* GetContext(NC_INSTANCE instance) {
 
 NC_INSTANCE NcCreateService() {
   NcContext nc_context;
+#if TARGET_OS_IOS
+#if DEBUG
+  absl::SetGlobalVLogLevel(1);
+#endif  // DEBUG
+  ::nearby::apple::EnableNearbyLoggerWriter();
+#endif  // TARGET_OS_IOS
 
 #if defined(NC_IOS_SDK)
   nearby::NearbyFlags::GetInstance().OverrideBoolFlagValue(