class FileManager(Screen):
skin = """
<screen position="100,100" size="550,400" title="Test" >
<!--widget name="text" position="0,0" size="550,25" font="Regular;20" /-->
<widget name="list" position="10,0" size="190,250" scrollbarMode="showOnDemand" />
class FileManager(Screen):
skin = """
<screen position="100,100" size="550,400" title="Test" >
<!--widget name="text" position="0,0" size="550,25" font="Regular;20" /-->
<widget name="list" position="10,0" size="190,250" scrollbarMode="showOnDemand" />