Load:
    name: "LoadScreen"
    on_enter: root.start_pb()
    radius: [25, 25, 25, 25]
    md_bg_color: app.theme_cls.accent_light
    GridLayout:
        cols: 1
        Label:
            text: "micro:bit interface"
            font_size: 60
            color: app.theme_cls.primary_dark
        FloatLayout:
            MDProgressBar:
                id: progress
                size_hint: .6, .6
                pos_hint: {"x": 0.2, "y": 0.3}
                color: app.theme_cls.primary_dark
                type: "determinate"
                running_duration: 0.75
                catching_duration: 0.5
            Label:
                color: "black"
                text: "starting app ..."