Left padding added for input view in conference chat.

app/src/main/java/com/xabber/android/ui/ChatViewerFragment.java

@@ -143,6 +143,8 @@ public class ChatViewerFragment extends Fragment implements PopupMenu.OnMenuItem
         AbstractChat abstractChat = MessageManager.getInstance().getChat(account, user);
 
         securityButton = (ImageButton) view.findViewById(R.id.button_security);
+        View spacer = view.findViewById(R.id.button_security_spacer);
+
         if (abstractChat instanceof RegularChat) {
             securityButton.setOnClickListener(new View.OnClickListener() {
                 @Override
@@ -152,6 +154,7 @@ public class ChatViewerFragment extends Fragment implements PopupMenu.OnMenuItem
             });
         } else {
             securityButton.setVisibility(View.GONE);
+            spacer.setVisibility(View.VISIBLE);
         }
 
         chatMessageAdapter = new ChatMessageAdapter(getActivity(), account, user, this);

app/src/main/res/layout/chat_viewer_fragment.xml

@@ -73,6 +73,13 @@
             android:src="@drawable/ic_security_grey_24dp"
             />
 
+        <Space
+            android:id="@+id/button_security_spacer"
+            android:layout_width="16dp"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            />
+
         <EditText
             android:id="@+id/chat_input"
             android:layout_width="0dp"