From df49dd1a49dc9bdeed3d36ac65c2cdb1c7e6da78 Mon Sep 17 00:00:00 2001
From: Adrian Ulrich <adrian@blinkenlights.ch>
Date: Sat, 22 Apr 2017 18:30:25 +0200
Subject: [PATCH] fix possible NPE We register ourselfs as a callback receiver
 BEFORE the adapter has been created. This crash is unlikely but happens once
 in a while according to the play store.

---
 src/ch/blinkenlights/android/vanilla/LibraryActivity.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ch/blinkenlights/android/vanilla/LibraryActivity.java b/src/ch/blinkenlights/android/vanilla/LibraryActivity.java
index e975c4b0..3955ce6a 100644
--- a/src/ch/blinkenlights/android/vanilla/LibraryActivity.java
+++ b/src/ch/blinkenlights/android/vanilla/LibraryActivity.java
@@ -862,7 +862,8 @@ public class LibraryActivity
 	@Override
 	public void onMediaChange()
 	{
-		mPagerAdapter.invalidateData();
+		if (mPagerAdapter != null)
+			mPagerAdapter.invalidateData();
 	}
 
 	@Override