From 755356f449deef172d291515350949437275b67a Mon Sep 17 00:00:00 2001
From: junyulai <junyulai@google.com>
Date: Thu, 28 Jan 2021 21:19:32 +0800
Subject: [PATCH] [FUI20] Expose UnderlyingNetworkInfo as system Api

Test: atest android.net.UnderlyingNetworkInfoTest
Bug: 174123988
Change-Id: Id602fbe744669f472d27fb466d00dcc601bd8f17
---
 core/api/module-lib-current.txt                  | 10 ++++++++++
 core/java/android/net/UnderlyingNetworkInfo.java |  7 ++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 854e8fd8a6f6f..ab9799ff62724 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -61,6 +61,16 @@ package android.net {
     method public void teardownTestNetwork(@NonNull android.net.Network);
   }
 
+  public final class UnderlyingNetworkInfo implements android.os.Parcelable {
+    ctor public UnderlyingNetworkInfo(int, @NonNull String, @NonNull java.util.List<java.lang.String>);
+    method public int describeContents();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.UnderlyingNetworkInfo> CREATOR;
+    field @NonNull public final String iface;
+    field public final int ownerUid;
+    field @NonNull public final java.util.List<java.lang.String> underlyingIfaces;
+  }
+
 }
 
 package android.os {
diff --git a/core/java/android/net/UnderlyingNetworkInfo.java b/core/java/android/net/UnderlyingNetworkInfo.java
index 8fb4832e06c8e..7bf9231239105 100644
--- a/core/java/android/net/UnderlyingNetworkInfo.java
+++ b/core/java/android/net/UnderlyingNetworkInfo.java
@@ -16,11 +16,15 @@
 
 package android.net;
 
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+
 import android.annotation.NonNull;
+import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 
@@ -30,6 +34,7 @@ import java.util.Objects;
  *
  * @hide
  */
+@SystemApi(client = MODULE_LIBRARIES)
 public final class UnderlyingNetworkInfo implements Parcelable {
     /** The owner of this network. */
     public final int ownerUid;
@@ -46,7 +51,7 @@ public final class UnderlyingNetworkInfo implements Parcelable {
         Objects.requireNonNull(underlyingIfaces);
         this.ownerUid = ownerUid;
         this.iface = iface;
-        this.underlyingIfaces = underlyingIfaces;
+        this.underlyingIfaces = Collections.unmodifiableList(new ArrayList<>(underlyingIfaces));
     }
 
     private UnderlyingNetworkInfo(@NonNull Parcel in) {