From e4ae2609dad64bf2363d5e4cf2b45c13c7ca76a0 Mon Sep 17 00:00:00 2001
From: Omer Levy <omer@rumors.io>
Date: Wed, 18 Oct 2017 11:27:55 +0300
Subject: [PATCH] temporary fix to the reference off bug

---
 .../invertase/firebase/database/RNFirebaseDatabase.java   | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/android/src/main/java/io/invertase/firebase/database/RNFirebaseDatabase.java b/android/src/main/java/io/invertase/firebase/database/RNFirebaseDatabase.java
index 6612f491..3c957759 100644
--- a/android/src/main/java/io/invertase/firebase/database/RNFirebaseDatabase.java
+++ b/android/src/main/java/io/invertase/firebase/database/RNFirebaseDatabase.java
@@ -416,10 +416,12 @@ public class RNFirebaseDatabase extends ReactContextBaseJavaModule {
   @ReactMethod
   public void off(String key, String eventRegistrationKey) {
     RNFirebaseDatabaseReference nativeRef = references.get(key);
-    nativeRef.removeEventListener(eventRegistrationKey);
+    if (nativeRef) {
+      nativeRef.removeEventListener(eventRegistrationKey);
 
-    if (!nativeRef.hasListeners()) {
-      references.remove(key);
+      if (!nativeRef.hasListeners()) {
+        references.remove(key);
+      }
     }
   }