--- a/cagou/core/dialog.py	Thu Jan 03 10:52:57 2019 +0100
+++ b/cagou/core/dialog.py	Thu Jan 03 20:37:55 2019 +0100
@@ -20,6 +20,7 @@
 """generic dialogs"""
 
 from sat.core.i18n import _
+from cagou.core.constants import Const as C
 from kivy.uix.boxlayout import BoxLayout
 from kivy import properties
 from sat.core import log as logging
@@ -27,6 +28,13 @@
 log = logging.getLogger(__name__)
 
 
+class MessageDialog(BoxLayout):
+    title = properties.StringProperty()
+    message = properties.StringProperty()
+    level = properties.OptionProperty(C.XMLUI_DATA_LVL_INFO, options=C.XMLUI_DATA_LVLS)
+    close_cb = properties.ObjectProperty()
+
+
 class ConfirmDialog(BoxLayout):
     title = properties.StringProperty()
     message = properties.StringProperty(_(u"Are you sure?"))

--- a/cagou/core/xmlui.py	Thu Jan 03 10:52:57 2019 +0100
+++ b/cagou/core/xmlui.py	Thu Jan 03 20:37:55 2019 +0100
@@ -411,6 +411,29 @@
         G.host.addNote(self.title, self.message, self.level)
 
 
+class MessageDialog(xmlui.MessageDialog, dialog.MessageDialog):
+
+    def __init__(self, _xmlui_parent, title, message, level):
+        dialog.MessageDialog.__init__(self,
+                                      title=title,
+                                      message=message,
+                                      level=level,
+                                      close_cb = self.close_cb)
+        xmlui.MessageDialog.__init__(self, _xmlui_parent)
+
+    def close_cb(self):
+        self._xmluiClose()
+
+    def _xmluiShow(self):
+        G.host.addNotifUI(self)
+
+    def _xmluiClose(self):
+        G.host.closeUI()
+
+    def show(self, *args, **kwargs):
+        G.host.showUI(self)
+
+
 class ConfirmDialog(xmlui.ConfirmDialog, dialog.ConfirmDialog):
 
     def __init__(self, _xmlui_parent, title, message, level, buttons_set):
@@ -501,7 +524,8 @@
 class XMLUIPanel(xmlui.XMLUIPanel, BoxLayout):
     widget_factory = WidgetFactory()
 
-    def __init__(self, host, parsed_xml, title=None, flags=None, callback=None, ignore=None, whitelist=None, profile=C.PROF_KEY_NONE):
+    def __init__(self, host, parsed_xml, title=None, flags=None, callback=None,
+                 ignore=None, whitelist=None, profile=C.PROF_KEY_NONE):
         BoxLayout.__init__(self)
         self.close_cb = None
         self._post_treats = []  # list of callback to call after UI is constructed

--- a/cagou/kv/dialog.kv	Thu Jan 03 10:52:57 2019 +0100
+++ b/cagou/kv/dialog.kv	Thu Jan 03 20:37:55 2019 +0100
@@ -16,6 +16,43 @@
 
 #:import _ sat.core.i18n._
 
+
+<MessageDialog>:
+    orientation: "vertical"
+    spacing: dp(5)
+    canvas.before:
+        Color:
+            rgba: 0, 0, 0, 1
+        Rectangle:
+            pos: self.pos
+            size: self.size
+    Label:
+        size_hint: 1, None
+        text_size: root.width, None
+        size: self.texture_size
+        font_size: sp(20)
+        padding: dp(5), dp(10)
+        color: 1, 1, 1, 1
+        text: root.title
+        halign: "center"
+        italic: True
+        bold: True
+    Label:
+        text: root.message
+        text_size: root.width, None
+        size: self.texture_size
+        padding: dp(25), 0
+        font_size: sp(20)
+        color: 1, 1, 1, 1
+    Button:
+        size_hint: 1, None
+        height: dp(50)
+        background_color: 0.33, 1.0, 0.0, 1
+        text: _("Close")
+        bold: True
+        on_release: root.close_cb()
+
+
 <ConfirmDialog>:
     orientation: "vertical"
     spacing: dp(5)