From 0cc94f8e029e8edfea9caedcbf9dfe3ff9fa4504 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Tue, 5 Sep 2017 23:38:36 +0200
Subject: [PATCH] check null file output stream at exporting events

---
 .../com/simplemobiletools/calendar/helpers/IcsExporter.kt    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsExporter.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsExporter.kt
index d64b69e3b..e2bdbb2aa 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsExporter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsExporter.kt
@@ -19,6 +19,11 @@ class IcsExporter {
 
     fun exportEvents(activity: SimpleActivity, file: File, events: ArrayList<Event>, callback: (result: ExportResult) -> Unit) {
         activity.getFileOutputStream(file) {
+            if (it == null) {
+                callback(EXPORT_FAIL)
+                return@getFileOutputStream
+            }
+
             it.bufferedWriter().use { out ->
                 out.writeLn(BEGIN_CALENDAR)
                 for (event in events) {