diff --git a/bin/AndroidManifest.xml b/bin/AndroidManifest.xml
index a2716651330443c7a48f9b5329ebac9054ca573d..5ca5295f1e317acee3b269c43dd6400443e24c56 100644
--- a/bin/AndroidManifest.xml
+++ b/bin/AndroidManifest.xml
@@ -38,7 +38,8 @@
             android:name="de.gultsch.chat.ui.NewConversationActivity"
             android:label="@string/title_activity_new_conversation"
             android:parentActivityName="de.gultsch.chat.ui.ConversationActivity"
-            android:windowSoftInputMode="stateHidden">
+            android:windowSoftInputMode="stateHidden"
+            android:noHistory="true">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value="de.gultsch.chat.ui.ConversationActivity" />
diff --git a/bin/SecureConversations.apk b/bin/SecureConversations.apk
index d4ae5a61ead1110d595b64a31f30edf35444793b..5d5e509c04ff81b1ca020bcf3ef210d0135abaea 100644
Binary files a/bin/SecureConversations.apk and b/bin/SecureConversations.apk differ
diff --git a/bin/classes.dex b/bin/classes.dex
index dd5510e69809d28763cc4ff3bad105461597b3da..ef6f7986a8bea70438bde6ef6d566fdb8e57c7a5 100644
Binary files a/bin/classes.dex and b/bin/classes.dex differ
diff --git a/bin/classes/de/gultsch/chat/ConversationList.class b/bin/classes/de/gultsch/chat/ConversationList.class
index e45ad2bb80079296340479cb95be4e6c2ea8dabe..5a89d06097a95b2aea678bbc751a783313756685 100644
Binary files a/bin/classes/de/gultsch/chat/ConversationList.class and b/bin/classes/de/gultsch/chat/ConversationList.class differ
diff --git a/bin/classes/de/gultsch/chat/R$id.class b/bin/classes/de/gultsch/chat/R$id.class
index ac0183a78bf900e6ec0336bdb9e78d25f3c5b9ca..58116e5d0511a7ebaed999bcddbcbc9fc04cdcf5 100644
Binary files a/bin/classes/de/gultsch/chat/R$id.class and b/bin/classes/de/gultsch/chat/R$id.class differ
diff --git a/bin/classes/de/gultsch/chat/R$layout.class b/bin/classes/de/gultsch/chat/R$layout.class
index 1f9040ae594269d80b2c8edb0eeed5318ec360f6..e064c15a125f1fdce106c5893faa89f99fda1ce0 100644
Binary files a/bin/classes/de/gultsch/chat/R$layout.class and b/bin/classes/de/gultsch/chat/R$layout.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/ConversationActivity$1.class b/bin/classes/de/gultsch/chat/ui/ConversationActivity$1.class
index c10eda28ef581bed5f6ed68dfdf2316fe86ab3b7..1dca084f42a5fa4a4a64e4e14027c6a10de730ac 100644
Binary files a/bin/classes/de/gultsch/chat/ui/ConversationActivity$1.class and b/bin/classes/de/gultsch/chat/ui/ConversationActivity$1.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/ConversationActivity$2.class b/bin/classes/de/gultsch/chat/ui/ConversationActivity$2.class
index 2a2480fa84106298aad32a3dfa6810e82cea1e6d..791ae4f6ae7a21e80153f1979dd39c32c12958c0 100644
Binary files a/bin/classes/de/gultsch/chat/ui/ConversationActivity$2.class and b/bin/classes/de/gultsch/chat/ui/ConversationActivity$2.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/ConversationActivity.class b/bin/classes/de/gultsch/chat/ui/ConversationActivity.class
index 73587f53303429a91b9f94366d45580daf030b62..c245f2976fb0fbe0877cf1b23b9ef6c12b285081 100644
Binary files a/bin/classes/de/gultsch/chat/ui/ConversationActivity.class and b/bin/classes/de/gultsch/chat/ui/ConversationActivity.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/ConversationFragment.class b/bin/classes/de/gultsch/chat/ui/ConversationFragment.class
index fc8463c6f044e8cdfc0e02e7b29c07815548eb46..fd2c17d338cfb7b612836fce6f0f60aac071da8b 100644
Binary files a/bin/classes/de/gultsch/chat/ui/ConversationFragment.class and b/bin/classes/de/gultsch/chat/ui/ConversationFragment.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$1.class b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$1.class
index 151d9df3418e4c0abf3b47b4b99dc8f6e27a1056..59889aa8d222cf931e940bec63df64a6b8314ba5 100644
Binary files a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$1.class and b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$1.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$2.class b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$2.class
index 7419a15f9e8f09110d817b189575eeb9c2411a70..35511cf8ce3ca0bceac78e30ea692b5f0cfc7948 100644
Binary files a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$2.class and b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$2.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$3.class b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$3.class
index afa85e9fa393dbecf653e7b5f523e63a11cfa659..55a3c02bf187c041511f764c96a7039797bbeb06 100644
Binary files a/bin/classes/de/gultsch/chat/ui/NewConversationActivity$3.class and b/bin/classes/de/gultsch/chat/ui/NewConversationActivity$3.class differ
diff --git a/bin/classes/de/gultsch/chat/ui/NewConversationActivity.class b/bin/classes/de/gultsch/chat/ui/NewConversationActivity.class
index 9b80c25625caebb7338848956d4c8200bb3cd4aa..4c56cc69028120881fb475d484e811de33ca8938 100644
Binary files a/bin/classes/de/gultsch/chat/ui/NewConversationActivity.class and b/bin/classes/de/gultsch/chat/ui/NewConversationActivity.class differ
diff --git a/bin/foo b/bin/foo
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/bin/resources.ap_ b/bin/resources.ap_
index 6d54a50228ff16735576630f6b623eb033d2e66d..d590854a556f22a683f8adaf398dee9dc070b915 100644
Binary files a/bin/resources.ap_ and b/bin/resources.ap_ differ