diff --git a/kivyblocks/android_rotation.py b/kivyblocks/android_rotation.py
index 194ad3c..5129531 100644
--- a/kivyblocks/android_rotation.py
+++ b/kivyblocks/android_rotation.py
@@ -1,11 +1,12 @@
 from kivy.utils import platform
 import plyer
 try:
-	from android import activity
-	# from plyer.platforms.android import activity
-	# return rotation is 0 forever 
+	#
+	# from android import activity
+	# get_rotation() failed module 'android.activity' has no attribute 'getWindowManager'
+	from plyer.platforms.android import activity
 except:
-	print('android_rotation.py:from android import activity ERROR')
+	print('android_rotation.py:mport ERROR')
 	activity = None
 
 def get_rotation():
diff --git a/kivyblocks/twosides.py b/kivyblocks/twosides.py
index 3ccbad3..f076236 100644
--- a/kivyblocks/twosides.py
+++ b/kivyblocks/twosides.py
@@ -100,6 +100,9 @@ class TwoSides(WidgetReady, BoxLayout):
 
 	def on_size(self,*args):
 		if self.width >= self.height:
+			print('twosides.py:W-Window.rotation=', 
+				self.app.get_rotation(),
+				Window.size)
 			if not self.landscape_widget in self.children:
 				self.dispatch('on_beforeswitch_landscape')
 				self.clear_widgets()
@@ -110,7 +113,8 @@ class TwoSides(WidgetReady, BoxLayout):
 				self.dispatch('on_afterswitch_landscape')
 				self.panel_shape = 'landscape'
 		else:
-			print('twosides.py:Window.rotation=', self.app.get_rotation(),
+			print('twosides.py:H-Window.rotation=', 
+				self.app.get_rotation(),
 				Window.size)
 			if not self.portrait_widget in self.children:
 				self.dispatch('on_beforeswitch_landscape')