diff --git a/kivyblocks/anz/__init__.py b/kivyblocks/anz/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/kivyblocks/anz/bluetooth.py b/kivyblocks/anz/bluetooth.py
new file mode 100644
index 0000000..b554eb2
--- /dev/null
+++ b/kivyblocks/anz/bluetooth.py
@@ -0,0 +1,46 @@
+from kivy.app import App
+
+from jnius import autoclass
+import kivy
+from android.broadcast import BroadcastReceiver
+import sys
+
+from kivyblocks.baseWidget import VBox
+
+BluetoothManager = autoclass('android.bluetooth.BluetoothManager')
+BluetoothAdapter = autoclass('android.bluetooth.BluetoothAdapter')
+BluetoothDevice  = autoclass('android.bluetooth.BluetoothDevice')
+
+class BluetoothFinder(VBox):
+	data = ListProperty([])
+    def __init__(self, **kw):
+        super().__init__(**kw)
+		arg = context.getSystemService(context.BLUETOOTH_SERVICE)
+		self.bt_manager = BluetoothManager(arg)
+		self.bt_adapter = self.bt_manager.getAdaper()
+        self.unpairedBT()
+        
+	def get_paired_bt(self):
+		return self.bt_adapter.getBondedDevice()
+
+	def __del__(self):
+		self.adapter.cancelDiscovery()
+
+    def unpairedBT(self):
+        self.adapter = BluetoothAdapter.getDefaultAdapter()
+        # Search foir unpaired devices
+        print("Unpaired devices")
+        self.data=[{"text": "Unpaired Devices"}]
+        myReceiver = BroadcastReceiver(self.onReceive, actions = [BluetoothDevice.ACTION_FOUND, BluetoothAdapter.ACTION_DISCOVERY_STARTED, BluetoothAdapter.ACTION_DISCOVERY_FINISHED])
+        myReceiver.start()
+        self.adapter.startDiscovery()
+
+    # Called by Broadcastreceiver
+    def onReceive(self, context, intent):
+        print(f"*BT* On receive context{context}", flush = True)
+        print(f"*BT* On receive intent {intent}", flush = True)
+        sys.stdout.flush()
+        
+        self.myData.append({"text": f"Context {context}, intent {intent}"})
+        self.layout.data = [item for item in self.myData]
+
diff --git a/kivyblocks/baseWidget.py b/kivyblocks/baseWidget.py
index 9454f1a..a944e8a 100755
--- a/kivyblocks/baseWidget.py
+++ b/kivyblocks/baseWidget.py
@@ -67,7 +67,7 @@ from .widgetExt.inputext import FloatInput,IntegerInput, \
 		StrInput,SelectInput, BoolInput, Password
 from .widgetExt.messager import Messager
 from .bgcolorbehavior import BGColorBehavior
-from .utils import NeedLogin, InsufficientPrivilege, HTTPError
+from .utils import NeedLogin, InsufficientPrivilege, HTTPError, blockImage
 from .login import LoginForm
 from .tab import TabsPanel
 from .threadcall import HttpClient
@@ -76,6 +76,7 @@ from .widget_css import WidgetCSS
 from .ready import WidgetReady
 from .utils import CSize, SUPER
 from .swipebehavior import SwipeBehavior
+from .widgetExt.inputext import MyDropDown
 
 if platform == 'android':
 	from .widgetExt.phonebutton import PhoneButton
@@ -171,7 +172,6 @@ class Text(Label):
 		
 		SUPER(Text, self, kwargs)
 		if self._i18n:
-			self.i18n = I18n()
 			self.i18n.addI18nWidget(self)
 		if self.wrap:
 			self.size_hint_y = None
@@ -220,7 +220,8 @@ class Text(Label):
 		self.lang = lang
 
 	def on_lang(self,o,lang):
-		self.text = self.i18n(self.otext)
+		if self._i18n and self.otext:
+			self.text = self.i18n(self.otext)
 
 class Title1(Text):
 	def __init__(self, **kw):
@@ -260,10 +261,11 @@ class Modal(VBox):
 	position = OptionProperty('cc',options=['tl', 'tc', 'tr',
 											'cl', 'cc', 'cr',
 											'bl', 'bc', 'br'])
-
 	def __init__(self, **kw):
 		self._target = None
-		SUPER(Modal, self, kw)
+		super(Modal, self).__init__(**kw)
+		self.set_size_position()
+		self._target.bind(size=self.set_size_position)
 		self.register_event_type('on_open')
 		self.register_event_type('on_pre_open')
 		self.register_event_type('on_pre_dismiss')
@@ -285,7 +287,16 @@ class Modal(VBox):
 				
 		return super().on_touch_down(touch)
 
-	def set_modal_position(self):
+	def on_target(self):
+		w = Window
+		if self.target is not None:
+			w = Factory.Blocks.getWidgetById(self.target)
+		if w is None:
+			w = Window
+		if w != self._target:
+			self._target = w
+		
+	def set_target(self):
 		if self._target is None:
 			if self.target is None:
 				w = Window
@@ -294,42 +305,56 @@ class Modal(VBox):
 				if w is None:
 					w = Window
 			self._target = w
+
+	def set_size_position(self, *args):
+		self.set_target()
+		if self.size_hint_x:
+			self.width = self.size_hint_x * self._target.width
+		if self.size_hint_y:
+			self.height = self.size_hint_y * self._target.height
+		print(self.width, self.height, 
+					self.size_hint_x, self.size_hint_y,
+					self._target.size
+					)
+		self.set_modal_position()
+
+	def set_modal_position(self):
+		self.set_target()
 		xn = self.position[1]
 		yn = self.position[0]
 		x, y = 0, 0
 		if xn == 'c':
-			x = (w.width - self.width) / 2
+			x = (self._target.width - self.width) / 2
 		elif xn == 'r':
-			x = w.width - self.width
+			x = self._target.width - self.width
 		if x < 0:
 			x = 0
 		if yn == 'c':
-			y = (w.height - self.height) / 2
+			y = (self._target.height - self.height) / 2
 		elif yn == 't':
-			y = w.height - self.height
+			y = self._target.height - self.height
 		if y < 0:
 			y = 0
-		if w == Window:
+		if self._target == Window:
 			self.pos = x, y
 		else:
-			self.pos = w.pos[0] + x, w.pos[1] + y
+			self.pos = self._target.pos[0] + x, self._target.pos[1] + y
 
-	def open(self, widget=None):
+	def open(self):
 		if self.parent:
-			return
+			self.parent.remove_widget(self)
 		self.dispatch('on_pre_open')
-		self.set_modal_position()
 		Window.add_widget(self)
 		self.dispatch('on_open')
 		if self._target != Window:
-			self._target.disable()
+			self._target.disabled = True
 
 	def dismiss(self, *args):
 		self.dispatch('on_pre_dismiss')
 		self.dispatch('on_dismiss')
 		Window.remove_widget(self)
 		if self._target != Window:
-			self._Target.enable()
+			self._target.enabled = False
 			
 	def on_open(self, *args):
 		pass
@@ -369,6 +394,32 @@ class TimedModal(Modal):
 			self.time_task = None
 		super().dismiss()
 
+class Running(AsyncImage):
+	def __init__(self, widget, **kw):
+		super().__init__(**kw)
+		self.host_widget = widget
+		self.source = blockImage('running.gif')
+		self.host_widget.bind(size=self.set_size)
+		self.set_size()
+		self.open()
+
+	def open(self):
+		if self.parent:
+			self.parent.remove_widget(self)
+		Window.add_widget(self)
+		self.host_widget.disabled = True
+
+	def dismiss(self):
+		if self.parent:
+			self.parent.remove_widget(self)
+		self.host_widget.disabled = False
+
+	def set_size(self, *args):
+		self.size_hint = (None, None)
+		self.width = CSize(2)
+		self.height = CSize(2)
+		self.center = self.host_widget.center
+		
 class PressableImage(ButtonBehavior,AsyncImage):
 	def on_press(self):
 		pass
@@ -377,6 +428,10 @@ class PressableLabel(ButtonBehavior, Text):
 	def on_press(self):
 		pass
 
+class PressableText(ButtonBehavior, Text):
+	def on_press(self):
+		pass
+
 class FILEDataHandler(EventDispatcher):
 	def __init__(self, url, suffixs=[],params={}):
 		self.url = url
@@ -577,3 +632,28 @@ class Slider(Carousel):
 			w = bk.widgetBuild(desc)
 			self.add_widget(w)
 
+i18n = I18n()
+
+class I18nWidget(PressableText):
+	lang = StringProperty(None)
+	def __init__(self, **kw):
+		super().__init__(**kw)
+		self.lang = i18n.lang
+
+	def on_lang(self, *args):
+		self.otext = self.lang
+
+	def on_press(self, *args):
+		langs = i18n.get_languages()
+		data = [ {'lang':l} for l in langs ]
+		mdd = MyDropDown(textField='lang', valueField='lang',
+						value=self.lang,
+						data=data)
+		mdd.bind(on_select=self.selected_lang)
+		mdd.showme(self)
+
+	def selected_lang(self, o, v):
+		lang = v[0]
+		self.lang = lang
+		i18n.changeLang(self.lang)
+
diff --git a/kivyblocks/command_action.py b/kivyblocks/command_action.py
index 93203eb..913e33c 100644
--- a/kivyblocks/command_action.py
+++ b/kivyblocks/command_action.py
@@ -15,7 +15,6 @@ def get_cmd_desc(cmd_desc):
 			desc['datamethod'] = v['datamethod']
 	keys = v.keys()
 	if 'url' in keys:
-		Logger.info('get_cmd_desc():cmd_desc=%s', cmd_desc)
 		desc['actiontype'] = 'urlwidget'
 		desc['mode'] = 'replace'
 		options = {
@@ -24,18 +23,22 @@ def get_cmd_desc(cmd_desc):
 		}
 		desc['options'] = options
 		return desc
+
 	if 'rfname' in keys:
 		desc['actiontype'] = 'registedfunction'
 		desc['params'] = v.get('params',{})
 		return desc
+
 	if 'script' in keys:
 		desc['actiontype'] = 'script'
 		desc['script'] = v.get('script')
 		return desc
+
 	if 'method' in keys:
 		desc['actiontype'] = 'method'
 		desc['method'] = v.get('method')
 		return desc
+
 	if 'actions' in keys:
 		desc['actiontype'] = 'multiple'
 		desc['actions'] = v.get('actions')
@@ -61,6 +64,6 @@ def cmd_action(cmd_desc, widget):
 	})
 	w.bind(on_conform=partial(blocks.uniaction, widget, desc))
 	w.open()
-	Logger.info('cmd_action():desc=%s, conform and action', desc)
+	print('cmd_action():desc=', desc, ' conform and action', desc)
 
 
diff --git a/kivyblocks/dg.py b/kivyblocks/dg.py
index 545a2d0..c86861f 100755
--- a/kivyblocks/dg.py
+++ b/kivyblocks/dg.py
@@ -25,7 +25,7 @@ from appPublic.uniqueID import getID
 from appPublic.myTE import string_template_render
 
 from .utils import *
-from .baseWidget import Text, HBox, VBox
+from .baseWidget import Text, HBox, VBox, Running
 from .scrollpanel import ScrollPanel
 from .paging import Paging, RelatedLoader
 from .ready import WidgetReady
@@ -64,7 +64,7 @@ class Cell(ButtonBehavior, WidgetCSS, BoxLayout):
 		if self.row.header:
 			self.csscls=self.row.part.datagrid.header_css
 		if desc['header']:
-			bl = Text(i18n=True, text=str(desc['value']),
+			bl = Text(i18n=True, otext=str(desc['value']),
 				font_size=CSize(1),wrap=True,
 				halign='left', valign='middle'
 			)
@@ -432,7 +432,7 @@ class DataGrid(VBox):
 			desc = {
 				"widgettype":"Text",
 				"options":{
-					"text":n,
+					"otext":n,
 					"i18n":True,
 				}
 			}
diff --git a/kivyblocks/i18n.py b/kivyblocks/i18n.py
index 914a8d7..5ad2fc5 100644
--- a/kivyblocks/i18n.py
+++ b/kivyblocks/i18n.py
@@ -14,6 +14,9 @@ class I18n:
 	def __init__(self):
 		self.kvlang={}
 		self.lang = locale.getdefaultlocale()[0]
+		if self.lang is None:
+			self.lang = 'en_US'
+		self.languages = None
 		self.loadI18n(self.lang)
 		self.i18nWidgets = []
 
@@ -21,8 +24,9 @@ class I18n:
 		self.i18nWidgets.append(ref(w))
 	
 	def loadI18nFromI18nFolder(self, lang):
-		config = gtConfig()
+		config = getConfig()
 		fpath =  os.path.join(config.i18n_folder,lang,'msg.txt')
+		print('fpath=', fpath, type(fpath))
 		with codecs.open(fpath,'r','utf-8') as f:
 			line = f.readline()
 			d = {}
@@ -32,15 +36,39 @@ class I18n:
 					continue
 				k,v = line.split(':',1)
 				d.update({k:v})
-				line = readline()
+				line = f.readline()
 			return d
 
+	def get_languages(self):
+		if self.languages:
+			return self.languages
+		self.languages = self.getLanguages()
+		return self.languages
+
+	def getLanguages(self):
+		config = getConfig()
+		if config.i18n_folder:
+			langs = []
+			for f in os.listdir(config.i18n_folder):
+				p = os.path.join(config.i18n_folder, f)
+				if os.path.isdir(p):
+					langs.append(os.path.basename(f))
+			return langs
+
+		if config.i18n_url:
+			url = '%s%s' % (config.uihome, config.i18n_url)
+			hc = HttpClient()
+			d = hc.get(url)
+			if isinstance(d, list):
+				return d
+		return []
+			
 	def loadI18n(self,lang):
 		app = App.get_running_app()
 		config = getConfig()
 		self.kvlang[lang] = {}
 		if config.i18n_folder:
-			self.kvlang[lang] = self.loadI18nFromFolder(lang)
+			self.kvlang[lang] = self.loadI18nFromI18nFolder(lang)
 			return
 
 		if config.i18n_url:
@@ -63,8 +91,8 @@ class I18n:
 		if not d:
 			self.loadI18n(lang)
 		self.lang = lang
-		ws = [ w for w in self.i18nWidgets if w is not None ]
+		ws = [ w for w in self.i18nWidgets if w() is not None ]
+		for w in ws:
+			w().changeLang(lang)
 		self.i18nWidgets = ws
-		for w in self.i18nWidgets:
-			w.changeLang(lang)
 	
diff --git a/kivyblocks/pagepanel.py b/kivyblocks/pagepanel.py
index 9a9261d..93c4aa5 100644
--- a/kivyblocks/pagepanel.py
+++ b/kivyblocks/pagepanel.py
@@ -5,7 +5,7 @@ from kivy.app import App
 from kivy.clock import Clock
 from kivy.factory import Factory
 from kivy.utils import platform
-from .baseWidget import VBox, HBox
+from .baseWidget import VBox, HBox, I18nWidget
 from .toggleitems import PressableBox
 from .utils import *
 from .swipebehavior import SwipeBehavior
@@ -61,6 +61,7 @@ PagePanel description file format
 		"bar_autohide": true when page is idle
 		"bar_size": bar size in CSize unit
 		"bar_at": "top" or "bottom"
+		"i18n": true of false
 		"bar_css":
 		"panel_css":
 		"left_menu": if defined, it must be a widget instance or a dict 
@@ -136,6 +137,7 @@ sub-widget's description file format
 	"""
 	def __init__(self, bar_size=2, 
 					bar_css='default',
+					i18n=False,
 					csscls='default',
 					singlepage=False,
 					fixed_before=None,
@@ -147,6 +149,7 @@ sub-widget's description file format
 		self.bar_size = bar_size
 		self.bar_autohide = bar_autohide
 		self.bar_at = bar_at
+		self.i18n = i18n
 		self.singlepage = singlepage
 		self.idle_status = False
 		self.idle_threshold = 10
@@ -218,6 +221,10 @@ sub-widget's description file format
 			})
 			self.bar.add_widget(self.bar_left_menu)
 			self.bar_left_menu.bind(on_press=self.show_left_menu)
+		if self.i18n:
+			self.i18n_w = I18nWidget(size_hint_x=None, width=CSize(5))
+			self.bar.add_widget(self.i18n_w)
+
 		self.bar_title = HBox(csscls=bar_css)
 		self.bar.add_widget(self.bar_title)
 		self.bar_right_menu = VBox(size_hint=(None,None),size=CSize(bcsize,bcsize))
diff --git a/kivyblocks/paging.py b/kivyblocks/paging.py
index 453c207..ba95ad0 100644
--- a/kivyblocks/paging.py
+++ b/kivyblocks/paging.py
@@ -7,6 +7,7 @@ from kivy.uix.boxlayout import BoxLayout
 from kivy.uix.button import Button
 from kivy.clock import Clock
 from kivy.app import App
+from kivy.properties import BooleanProperty
 from functools import partial
 from appPublic.dictObject import DictObject
 from appPublic.jsonConfig import getConfig
@@ -40,8 +41,8 @@ it fires two type of event
 """
 
 class PageLoader(EventDispatcher):
+	loading = BooleanProperty(False)
 	def __init__(self,target=None, **options):
-		self.loading = False
 		self.target = target
 		self.options = options
 		self.filter = None
@@ -72,6 +73,12 @@ class PageLoader(EventDispatcher):
 		self.loader.bind(on_success=self.show_page)
 		self.loader.bind(on_error=self.onerror)
 	
+	def on_loading(self, *args):
+		if self.loading:
+			self.running = Running(self.target)
+		else:
+			self.running.dismiss()
+
 	def on_newbegin(self):
 		pass
 
diff --git a/kivyblocks/version.py b/kivyblocks/version.py
index 8d7ecef..c15a4ac 100644
--- a/kivyblocks/version.py
+++ b/kivyblocks/version.py
@@ -1 +1 @@
-__version__ = '0.3.23'
+__version__ = '0.3.24'