From e2ca741779fd4a7668ba63129d633afc7d231744 Mon Sep 17 00:00:00 2001
From: Yu-Han Yang <yuhany@google.com>
Date: Mon, 25 Apr 2022 14:41:52 -0700
Subject: [PATCH] Hold the reference of TelephonyCallback

Bug: 227553695
Test: manual
Change-Id: I77a4cdeb893076ab937aabdd2ba3e56a7cdf5b28
---
 .../server/location/injector/SystemEmergencyHelper.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/location/injector/SystemEmergencyHelper.java b/services/core/java/com/android/server/location/injector/SystemEmergencyHelper.java
index 70a222fb09c55..dc5299077cc98 100644
--- a/services/core/java/com/android/server/location/injector/SystemEmergencyHelper.java
+++ b/services/core/java/com/android/server/location/injector/SystemEmergencyHelper.java
@@ -34,6 +34,8 @@ import java.util.Objects;
 public class SystemEmergencyHelper extends EmergencyHelper {
 
     private final Context mContext;
+    private final EmergencyCallTelephonyCallback mEmergencyCallTelephonyCallback =
+            new EmergencyCallTelephonyCallback();
 
     TelephonyManager mTelephonyManager;
 
@@ -56,7 +58,7 @@ public class SystemEmergencyHelper extends EmergencyHelper {
         // TODO: this doesn't account for multisim phones
 
         mTelephonyManager.registerTelephonyCallback(FgThread.getExecutor(),
-                new EmergencyCallTelephonyCallback());
+                mEmergencyCallTelephonyCallback);
         mContext.registerReceiver(new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {