From baf2ef0be690dc03e12b4f4bdc7d95dd2b5f034b Mon Sep 17 00:00:00 2001
From: Quang Luong <qal@google.com>
Date: Fri, 21 Jan 2022 14:56:07 -0800
Subject: [PATCH] Do update signal icon for -1 level in AddAppNetworksFragment

The level of a WifiEntry may be -1 (WIFI_LEVEL_UNREACHABLE) due to race
conditions. Thus, only update the signal icon if the level is a valid
value [0, 4]

Bug: 201488249
Test: m
Change-Id: I87f1c108d262bb5a7575c9ad434d2cfb953134af
(cherry picked from commit 9d66b22ee045637f7e331971e20f13d18b3435f0)
---
 .../settings/wifi/addappnetworks/AddAppNetworksFragment.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/com/android/settings/wifi/addappnetworks/AddAppNetworksFragment.java b/src/com/android/settings/wifi/addappnetworks/AddAppNetworksFragment.java
index 46f44143bc7..3f5ef4805b8 100644
--- a/src/com/android/settings/wifi/addappnetworks/AddAppNetworksFragment.java
+++ b/src/com/android/settings/wifi/addappnetworks/AddAppNetworksFragment.java
@@ -414,6 +414,9 @@ public class AddAppNetworksFragment extends InstrumentedFragment implements
     }
 
     private void updateSingleNetworkSignalIcon(int level) {
+        if (level == WifiEntry.WIFI_LEVEL_UNREACHABLE) {
+            return;
+        }
         // TODO: Check level of the network to show signal icon.
         final Drawable wifiIcon = mActivity.getDrawable(
                 Utils.getWifiIconResource(level)).mutate();