From 232e7bba2d6396e3a0f5620b568d4b55a9d7eb38 Mon Sep 17 00:00:00 2001
From: Moxie Marlinspike <moxie@thoughtcrime.org>
Date: Mon, 14 Jan 2013 12:10:57 -0800
Subject: [PATCH] A conversation can't be trimmed to 0.

---
 .../securesms/ApplicationPreferencesActivity.java             | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java b/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
index 67f679e655..e3da323780 100644
--- a/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
+++ b/src/org/thoughtcrime/securesms/ApplicationPreferencesActivity.java
@@ -382,6 +382,10 @@ public class ApplicationPreferencesActivity extends SherlockPreferenceActivity {
         Log.w("ApplicationPreferencesActivity", nfe);
         return false;
       }
+      
+      if (Integer.parseInt((String)newValue) < 1) {
+        return false;
+      }
 
       preference.setSummary((String)newValue + " " +
                             getString(R.string.ApplicationPreferencesActivity_messages_per_conversation));