From b3337c4ad76cd000d038d6fff97ca8b66832be39 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Tue, 31 May 2016 16:44:59 +0200
Subject: [PATCH] don't scroll to pos 0 when uuid wasn't found

---
 .../siacs/conversations/ui/ConversationFragment.java  | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index 5d5e4c297..8e0b30a88 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -13,6 +13,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.support.annotation.Nullable;
 import android.text.InputType;
+import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.view.Gravity;
@@ -157,7 +158,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 									ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
 									updateStatusMessages();
 									messageListAdapter.notifyDataSetChanged();
-									int pos = getIndexOf(uuid,messageList);
+									int pos = Math.max(getIndexOf(uuid,messageList),0);
 									messagesView.setSelectionFromTop(pos, pxOffset);
 									messagesLoaded = true;
 									if (messageLoaderToast != null) {
@@ -210,7 +211,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 
 			}
 		}
-		return 0;
+		return -1;
 	}
 
 	private final int KEYCHAIN_UNLOCK_NOT_REQUIRED = 0;
@@ -802,11 +803,13 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 		this.messagesLoaded = true;
 		synchronized (this.messageList) {
 			final Message first = conversation.getFirstUnreadMessage();
+			final int bottom = Math.max(0, this.messageList.size() - 1);
 			final int pos;
 			if (first == null) {
-				pos = Math.max(0,this.messageList.size() - 1);
+				pos = bottom;
 			} else {
-				pos = getIndexOf(first.getUuid(), this.messageList);
+				int i = getIndexOf(first.getUuid(), this.messageList);
+				pos = i < 0 ? bottom : i;
 			}
 			messagesView.setSelection(pos);
 		}