Fix app crash at first startup

Fixed a NullPointerException that caused the app to crash when first started after network storage system changed.

1 files changed, 5 insertions, 0 deletions

diff --git a/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java b/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
index 96805a6..f78b4a5 100644
--- a/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
+++ b/app/src/fil/libre/repwifiapp/helpers/NetworkManager.java
@@ -266,6 +266,11 @@ public class NetworkManager {
     public boolean updateStorageVersion() {
 
         String[] lines = Utils.readFileLines(_knownNetworksFile);
+        
+        if (lines == null){
+            return false;
+        }
+        
         if (lines.length == 0) {
             return true;
         }