solved web socket reconnection issue

src/components/main_win.py

@@ -252,6 +252,9 @@ def populate_bottom_toolbar_icon(self, icon_name, state):
     def populate_device_server_code_display_dialog(self, event_data):
         if _Debug:
             print('MainWin.populate_device_server_code_display_dialog', event_data)
+        if self.device_server_code_display_dialog:
+            self.device_server_code_display_dialog.dismiss()
+            self.device_server_code_display_dialog = None
         server_code = event_data['server_code']
         self.device_server_code_display_dialog = dialogs.open_message_dialog(
             title='Authorization code',

src/screens/screen_device_connect.py

@@ -219,6 +219,7 @@ def on_enter(self, *args):
             print('DeviceConnectScreen.on_enter', args)
         if system.is_android():
             self.ids.selection_tabs.ids.carousel.slides[0].ids.local_device_button.disabled = True
+            self.ids.selection_tabs.switch_tab('Remote', search_by='title')
 
     def on_leave(self, *args):
         if _Debug:

src/screens/screen_device_disconnected.py

@@ -139,7 +139,16 @@ def do_open_device_connect_screen(self):
 
     def do_connect(self, interval=None):
         if _Debug:
-            print('DeviceDisconnectedScreen.do_connect', self.counter)
+            print('DeviceDisconnectedScreen.do_connect')
+        if web_sock_remote.is_started():
+            web_sock_remote.stop()
+            Clock.schedule_once(self.do_start_connecting, .1)
+        else:
+            self.do_start_connecting()
+
+    def do_start_connecting(self, interval=None):
+        if _Debug:
+            print('DeviceDisconnectedScreen.do_start_connecting', self.counter)
         self.counter += 1
         web_sock_remote.start(
             callbacks={