From 9e1393bc1c8903d400e559b3528a0fe5d04bd389 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Sun, 11 Oct 2015 14:27:09 +0200
Subject: [PATCH] prevent null pointer when trying to display device
 fingerprints of not existing sessions

---
 src/main/java/eu/siacs/conversations/ui/XmppActivity.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
index e3848fe28..94292f7e7 100644
--- a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
@@ -619,6 +619,9 @@ public abstract class XmppActivity extends Activity {
 	protected boolean addFingerprintRow(LinearLayout keys, final Account account, final String fingerprint, boolean highlight) {
 		final XmppAxolotlSession.Trust trust = account.getAxolotlService()
 				.getFingerprintTrust(fingerprint);
+		if (trust == null) {
+			return false;
+		}
 		return addFingerprintRowWithListeners(keys, account, fingerprint, highlight, trust, true,
 				new CompoundButton.OnCheckedChangeListener() {
 					@Override