From 72d2e97363d89d716963dd224a2b9578ba446624 Mon Sep 17 00:00:00 2001
From: Guillaume Bernos <guillaume@bernos.dev>
Date: Thu, 5 Jan 2023 13:45:28 +0100
Subject: [PATCH] fix(auth, android): fix a null pointer exception that could
 occur when removing an even listener (#10210)

---
 .../plugins/firebase/auth/FlutterFirebaseAuthPlugin.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/firebase_auth/firebase_auth/android/src/main/java/io/flutter/plugins/firebase/auth/FlutterFirebaseAuthPlugin.java b/packages/firebase_auth/firebase_auth/android/src/main/java/io/flutter/plugins/firebase/auth/FlutterFirebaseAuthPlugin.java
index 1c72507c1b4e..f0d4aca85001 100755
--- a/packages/firebase_auth/firebase_auth/android/src/main/java/io/flutter/plugins/firebase/auth/FlutterFirebaseAuthPlugin.java
+++ b/packages/firebase_auth/firebase_auth/android/src/main/java/io/flutter/plugins/firebase/auth/FlutterFirebaseAuthPlugin.java
@@ -1822,7 +1822,9 @@ public Task<Void> didReinitializeFirebaseCore() {
   private void removeEventListeners() {
     for (EventChannel eventChannel : streamHandlers.keySet()) {
       StreamHandler streamHandler = streamHandlers.get(eventChannel);
-      streamHandler.onCancel(null);
+      if (streamHandler != null) {
+        streamHandler.onCancel(null);
+      }
       eventChannel.setStreamHandler(null);
     }
     streamHandlers.clear();