From cbf42ee12cb214e801a0e8473bae93935f70e394 Mon Sep 17 00:00:00 2001
From: iNPUTmice <daniel@gultsch.de>
Date: Wed, 19 Nov 2014 17:31:28 +0100
Subject: some saftey checks before registering listeners in XmppActivity

---
 src/main/java/eu/siacs/conversations/ui/XmppActivity.java | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
index e6e97da3..2ff317a4 100644
--- a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
@@ -1,6 +1,7 @@
 package eu.siacs.conversations.ui;
 
 import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.AlertDialog.Builder;
@@ -29,6 +30,7 @@ import android.nfc.NdefRecord;
 import android.nfc.NfcAdapter;
 import android.nfc.NfcEvent;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
@@ -107,7 +109,7 @@ public abstract class XmppActivity extends Activity {
 			XmppConnectionBinder binder = (XmppConnectionBinder) service;
 			xmppConnectionService = binder.getService();
 			xmppConnectionServiceBound = true;
-			if (!registeredListeners) {
+			if (!registeredListeners && shouldRegisterListeners()) {
 				registerListeners();
 				registeredListeners = true;
 			}
@@ -134,6 +136,15 @@ public abstract class XmppActivity extends Activity {
 		}
 	}
 
+	@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
+	protected boolean shouldRegisterListeners() {
+		if  (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+			return !isDestroyed() && !isFinishing();
+		} else {
+			return !isFinishing();
+		}
+	}
+
 	public void connectToBackend() {
 		Intent intent = new Intent(this, XmppConnectionService.class);
 		intent.setAction("ui");
-- 
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