From d54d112e17c6ed63638d22d69ed6bfdb4775f61d Mon Sep 17 00:00:00 2001
From: Chaohui Wang <chaohuiw@google.com>
Date: Fri, 30 Aug 2024 15:23:17 +0800
Subject: [PATCH] Fix WifiCallingPreferenceController crash

When sub id is invalid.

Bug: 325956182
Flag: EXEMPT bug fix
Test: adb shell am start -a android.settings.NETWORK_OPERATOR_SETTINGS
Change-Id: I09995095e2f38030eca0c9b5898d910530ee6237
---
 .../network/telephony/WifiCallingPreferenceController.kt    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/com/android/settings/network/telephony/WifiCallingPreferenceController.kt b/src/com/android/settings/network/telephony/WifiCallingPreferenceController.kt
index e04763a88c1..9b68970d750 100644
--- a/src/com/android/settings/network/telephony/WifiCallingPreferenceController.kt
+++ b/src/com/android/settings/network/telephony/WifiCallingPreferenceController.kt
@@ -81,6 +81,12 @@ open class WifiCallingPreferenceController @JvmOverloads constructor(
     }
 
     override fun onViewCreated(viewLifecycleOwner: LifecycleOwner) {
+        if (!SubscriptionManager.isValidSubscriptionId(subId)) {
+            // Sub id could invalid, if this page is opened from external action and no sim is
+            // active.
+            // Ignore this case, since this page will be finished soon.
+            return
+        }
         wifiCallingRepositoryFactory(subId).wifiCallingReadyFlow()
             .collectLatestWithLifecycle(viewLifecycleOwner) { isReady ->
                 preference.isVisible = isReady