screens.kv

#:kivy 1.9.0

<ScreenOne>:
    name: "screen1"
    ScrollView:
        pos_hint: {'bottom':1}
        do_scroll_y: True
        GridLayout:
            name: "screen1"
            cols: 1
            padding: 0
            spacing: 0
            #size_hint: None, None

            size_hint_y: None
            height: self.minimum_height

            Button:
                text: "1"
                background_color: (0.502, 0, 0.502, 1) if self.state == 'normal' else (0.502, 0, 0.502, .75)
                on_release: root.onNextScreen(self, 'small')

            Button:
                text: "2"
                background_color: (0, 0, 1, 1) if self.state == 'normal' else (0, 0, 1,.75)
                on_release: root.onNextScreen(self, 'sample1')

            Button:
                text: "3"
                background_color: (0.251, 0.878, 0.816, 1) if self.state == 'normal' else (0.251, 0.878, 0.816,.75)
                on_release: root.onNextScreen(self, 'sample2')

            Button:
                text: "4"
                background_color: (0, 0.502, 0, 1) if self.state == 'normal' else (0, 0.502, 0, .75)
                on_release: root.onNextScreen(self, 'sample3')

            Button:
                text: "5"
                background_color: (1, 1, 0, 1) if self.state == 'normal' else (1, 1, 0, .75)
                on_release: root.onNextScreen(self, 'sample4')

            Button:
                text: "6"
                background_color: (1, 0.843, 0,1) if self.state == 'normal' else (1, 0.843, 0,.75)
                on_release: root.onNextScreen(self, 'sample5')

            Button:
                text: "7"
                background_color: (1, 0.647, 0, 1) if self.state == 'normal' else (1, 0.647, 0, .75)
                on_release: root.onNextScreen(self, 'sample6')

            Button:
                text: "8"
                background_color: (1, 0.549, 0, 1) if self.state == 'normal' else (1, 0.549, 0, .75)
                on_release: root.onNextScreen(self, 'sample7')

            Button:
                text: "9"
                background_color: (1, 0, 0, 1) if self.state == 'normal' else (1, 0, 0, .75)
                on_release: root.onNextScreen(self, 'sample8')

<ScreenTwo>:
    GridLayout:
        name: "ScreenGrid"
        pos_hint: {'top': 1}
        cols:1
        rows:2
        ActionBar:
            pos_hint: {'top': 1}
            height:'100sp'
            ActionView:
                ActionPrevious:
                    with_previous: True
                    on_release: root.onBackBtn()

<Manager>:
    id: screen_manager

    screen_one: screen_one
    screen_two: screen_two

    ScreenOne:
        id: screen_one
        name: 'screen1'
        manager: screen_manager

    ScreenTwo:
        id: screen_two
        name: 'screen2'
        manager: screen_manager

<VideoPlayer>:
    options: {'eos': 'loop'}
    allow_stretch:True

<Button>:
    height: '100sp'
    size_hint_y: None