From 8090431d302db205cdc54bd2d2e2d32ce5e751c0 Mon Sep 17 00:00:00 2001
From: Oliver Crow <ocrow@matriculus.com>
Date: Sun, 28 Jan 2018 18:05:35 -0800
Subject: [PATCH] Fix for #2555 - can't open Preferences activity when there
 are stored WiFi connections with null SSID.

---
 .../antennapod/preferences/PreferenceController.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
index b5e0f1e99..0f42dd01a 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
@@ -764,6 +764,10 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
         }
     }
 
+    private static String blankIfNull(String val) {
+        return val == null ? "" : val;
+    }
+
     private void buildAutodownloadSelectedNetworsPreference() {
         final Activity activity = ui.getActivity();
 
@@ -778,7 +782,8 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
             Log.e(TAG, "Couldn't get list of configure Wi-Fi networks");
             return;
         }
-        Collections.sort(networks, (x, y) -> x.SSID.compareTo(y.SSID));
+        Collections.sort(networks, (x, y) ->
+                blankIfNull(x.SSID).compareTo(blankIfNull(y.SSID)));
         selectedNetworks = new CheckBoxPreference[networks.size()];
         List<String> prefValues = Arrays.asList(UserPreferences
                 .getAutodownloadSelectedNetworks());