From 0abeb1666ed3c83d934aeeb5de058641e6b72438 Mon Sep 17 00:00:00 2001
From: Eddy Verbruggen <eddyverbruggen@gmail.com>
Date: Mon, 2 Jan 2017 20:15:56 +0100
Subject: [PATCH] Update null doesn't remove key #229

---
 firebase.android.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/firebase.android.js b/firebase.android.js
index 6e22e6bd..6d0526a6 100755
--- a/firebase.android.js
+++ b/firebase.android.js
@@ -53,7 +53,9 @@ firebase.toHashMap = function(obj) {
   var node = new java.util.HashMap();
   for (var property in obj) {
     if (obj.hasOwnProperty(property)) {
-      if (obj[property] !== null) {
+      if (obj[property] === null) {
+        node.put(property, null);
+      } else {
         switch (typeof obj[property]) {
           case 'object':
             node.put(property, firebase.toHashMap(obj[property], node));