diff --git a/kivyblocks/pagescontainer.py b/kivyblocks/pagescontainer.py
index 84d1ec7..5c759f0 100644
--- a/kivyblocks/pagescontainer.py
+++ b/kivyblocks/pagescontainer.py
@@ -17,7 +17,7 @@ class PageContainer(FloatLayout):
 		Window.bind(size=self.on_window_size)
 
 	def on_window_size(self,o,v=None):
-		if self.size != Window.size:
+		if self.size[0] != Window.size[0] or self.size[1] != Window.size[1]:
 			print('on_window_size event fired ....',self.size, Window.size)
 			self.size = Window.size
 			self.reshowBackButton()
diff --git a/kivyblocks/vplayer.py b/kivyblocks/vplayer.py
index e811ec4..0565c48 100644
--- a/kivyblocks/vplayer.py
+++ b/kivyblocks/vplayer.py
@@ -1,5 +1,6 @@
 import os
 import sys
+from kivy.utils import platform
 from traceback import print_exc
 from kivy.core.window import Window
 from kivy.uix.floatlayout import FloatLayout
@@ -217,7 +218,6 @@ class VPlayer(FloatLayout):
 
 			print('Window size=',Window.size)
 			self._fullscreen_state = state = {
-				"WindowSize":Window.size,
 				'parent': self.parent,
 				'pos': self.pos,
 				'size': self.size,
@@ -225,7 +225,9 @@ class VPlayer(FloatLayout):
 				'size_hint': self.size_hint,
 				'window_children': window.children[:]}
 
-			Window.maximize()
+			print('vplayer fullscreen,platform=',platform)
+			if platform in ['windows', 'linux','macOS' ]:
+				Window.maximize()
 			# remove all window children
 			for child in window.children[:]:
 				window.remove_widget(child)
@@ -253,8 +255,9 @@ class VPlayer(FloatLayout):
 			self.size = state['size']
 			if state['parent'] is not window:
 				state['parent'].add_widget(self)
-			Window.size = state['WindowSize']
-			print('state_size=',state['WindowSize'], 'windowsize=',Window.size)
+			print('vplayer fullscreen,platform=',platform)
+			if platform in ['windows', 'linux','macOS' ]:
+				Window.restore()
 
 	def buildMenu(self,obj,touch):
 		if not self.collide_point(*touch.pos):