From d4e899b6be94e3a917185e7fe123884bda7f6495 Mon Sep 17 00:00:00 2001
From: Peter Osterlund <peterosterlund2@gmail.com>
Date: Mon, 28 Sep 2020 19:27:13 +0200
Subject: [PATCH] Avoid NPE if opening a shared input stream fails

---
 DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java b/DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java
index 45c6018..1697319 100644
--- a/DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java
+++ b/DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java
@@ -795,6 +795,8 @@ public class DroidFish extends Activity
                     String fn = Environment.getExternalStorageDirectory() + sep +
                                 pgnDir + sep + ".sharedfile.pgn";
                     try (InputStream in = resolver.openInputStream(data)) {
+                        if (in == null)
+                            throw new IOException("No input stream");
                         FileUtil.writeFile(in, fn);
                     }
                     PGNFile pgnFile = new PGNFile(fn);