From 2c42838ec8b3c6d4692f5ba883bb02fc26444a95 Mon Sep 17 00:00:00 2001
From: Ravi Rupareliya <rupareliyaravi@gmail.com>
Date: Thu, 21 Jun 2018 11:35:09 +0530
Subject: [PATCH] Null check for ls

It will solve the error "attempt to get length of null array"
---
 android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java b/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
index 7e29fcce2..f4ddfd7e7 100644
--- a/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
+++ b/android/src/main/java/com/RNFetchBlob/RNFetchBlobFS.java
@@ -544,8 +544,10 @@ static void ls(String path, Callback callback) {
         }
         String[] files = new File(path).list();
         WritableArray arg = Arguments.createArray();
-        for (String i : files) {
-            arg.pushString(i);
+        if(files!=null) {
+            for (String i : files) {
+                arg.pushString(i);
+            }
         }
         callback.invoke(null, arg);
     }