Reset scroll position after switching account (#4451)

src/main/java/org/thoughtcrime/securesms/ConversationListActivity.java

@@ -717,6 +717,7 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
     refreshAvatar();
     refreshUnreadIndicator();
     refreshTitle();
+    conversationListFragment.resetScrollPosition();
     conversationListFragment.loadChatlistAsync();
   }
 

src/main/java/org/thoughtcrime/securesms/ConversationListFragment.java

@@ -64,6 +64,7 @@ public class ConversationListFragment extends BaseConversationListFragment
   private Timer reloadTimer;
   private boolean chatlistJustLoaded;
   private boolean reloadTimerInstantly;
+  private boolean resetScrollPosition;
 
   @Override
   public void onCreate(Bundle icicle) {
@@ -303,6 +304,11 @@ public class ConversationListFragment extends BaseConversationListFragment
           }
 
           ((ConversationListAdapter) list.getAdapter()).changeData(chatlist);
+
+          if (resetScrollPosition) {
+            list.scrollToPosition(0);
+            resetScrollPosition = false;
+          }
         });
   }
 
@@ -359,4 +365,8 @@ public class ConversationListFragment extends BaseConversationListFragment
       loadChatlistAsync();
     }
   }
+
+  public void resetScrollPosition() {
+    resetScrollPosition = true;
+  }
 }