From a31cddbe7bf6ca0802c337561225d075ad928d32 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 16 Sep 2017 02:41:24 +0800
Subject: [PATCH] Prevent NPE

---
 app/src/main/java/com/topjohnwu/magisk/MagiskFragment.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/topjohnwu/magisk/MagiskFragment.java b/app/src/main/java/com/topjohnwu/magisk/MagiskFragment.java
index 8e9bf8bad..19921fee0 100644
--- a/app/src/main/java/com/topjohnwu/magisk/MagiskFragment.java
+++ b/app/src/main/java/com/topjohnwu/magisk/MagiskFragment.java
@@ -258,7 +258,8 @@ public class MagiskFragment extends Fragment
             spinner.setEnabled(false);
         } else {
             items.add(getString(R.string.cannot_auto_detect));
-            items.addAll(mm.blockList);
+            if (mm.blockList != null)
+                items.addAll(mm.blockList);
         }
         ArrayAdapter<String> adapter = new ArrayAdapter<>(getActivity(),
                 android.R.layout.simple_spinner_item, items);