main.kv

BoxLayout:
    orientation: 'vertical'

    ScreenManager:
        id: sm
        size_hint: 1, 1

        MainScreen:
            name: "main"

        AppsScreen:
            name: "apps"
            GridLayout:
                id: apps_grid
                cols: 5
                rows: 4
                padding: 30
                spacing: 50, 30
                size_hint: 1, 1
                canvas.before:
                    Color:
                        rgb: 0,0,0
                    Rectangle:
                        pos: self.pos
                        size: self.size

    BoxLayout:
		id: bar_icons
        size_hint: 1, 0.2
        orientation: 'horizontal'
        canvas.before:
            Color:
                rgb: 0.12,0.12,0.12
            Rectangle:
                pos: self.pos
                size: self.size