From 4c4c5eab7dfec84d748e814e19fe69e2f468efa3 Mon Sep 17 00:00:00 2001
From: Nicolas Van Eenaeme <nicolas@poison.be>
Date: Mon, 4 Jun 2018 13:44:24 +0200
Subject: [PATCH] sometimes getExternalFilesDir returns null, and the app
 crashes in this case

---
 android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java b/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
index 7a7910546..7e29fcce2 100644
--- a/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
+++ b/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
@@ -213,7 +213,11 @@ static public Map<String, Object> getSystemfolders(ReactApplicationContext ctx)
         state = Environment.getExternalStorageState();
         if (state.equals(Environment.MEDIA_MOUNTED)) {
             res.put("SDCardDir", Environment.getExternalStorageDirectory().getAbsolutePath());
-            res.put("SDCardApplicationDir", ctx.getExternalFilesDir(null).getParentFile().getAbsolutePath());
+
+            File externalDirectory = ctx.getExternalFilesDir(null);
+            if (externalDirectory != null) {
+                res.put("SDCardApplicationDir", externalDirectory.getParentFile().getAbsolutePath());
+            }
         }
         res.put("MainBundleDir", ctx.getApplicationInfo().dataDir);
         return res;