From a90003905aa943b406fe6219af0be14f4df8017f Mon Sep 17 00:00:00 2001
From: Alex Baker <baker.alex@gmail.com>
Date: Mon, 21 Mar 2016 09:59:17 -0500
Subject: [PATCH] Fix IllegalArgumentException in IabHelper.dispose

---
 src/googleplay/java/com/android/vending/billing/IabHelper.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/googleplay/java/com/android/vending/billing/IabHelper.java b/src/googleplay/java/com/android/vending/billing/IabHelper.java
index df792b18b..3c5eea685 100644
--- a/src/googleplay/java/com/android/vending/billing/IabHelper.java
+++ b/src/googleplay/java/com/android/vending/billing/IabHelper.java
@@ -312,7 +312,7 @@ public class IabHelper {
         mSetupDone = false;
         if (mServiceConn != null) {
             logDebug("Unbinding from service.");
-            if (mContext != null) mContext.unbindService(mServiceConn);
+            if (mContext != null && mService != null) mContext.unbindService(mServiceConn);
         }
         mDisposed = true;
         mContext = null;