From 92c70bd15da8b58f59047ba740d5dc7eed41639b Mon Sep 17 00:00:00 2001
From: Sean Owen <srowen@gmail.com>
Date: Sun, 9 Feb 2014 09:40:51 -0500
Subject: [PATCH] Avoid NPE on networks with no SSID

---
 .../google/zxing/client/android/wifi/WifiConfigManager.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/android/src/com/google/zxing/client/android/wifi/WifiConfigManager.java b/android/src/com/google/zxing/client/android/wifi/WifiConfigManager.java
index 24e1f8ef7..8038673b6 100644
--- a/android/src/com/google/zxing/client/android/wifi/WifiConfigManager.java
+++ b/android/src/com/google/zxing/client/android/wifi/WifiConfigManager.java
@@ -171,7 +171,8 @@ public final class WifiConfigManager extends AsyncTask<WifiParsedResult,Object,O
   private static Integer findNetworkInExistingConfig(WifiManager wifiManager, String ssid) {
     Iterable<WifiConfiguration> existingConfigs = wifiManager.getConfiguredNetworks();
     for (WifiConfiguration existingConfig : existingConfigs) {
-      if (existingConfig.SSID.equals(ssid)) {
+      String existingSSID = existingConfig.SSID;
+      if (existingSSID != null && existingSSID.equals(ssid)) {
         return existingConfig.networkId;
       }
     }