digit_recogniser.kv

Root:
    im : im
    im2 : im2
    lbl : lbl
    BoxLayout:
        orientation: 'vertical'
        BoxLayout:
            size_hint_y: None
            height: 60
            Button:
                text: 'Browse File'
                font_size: '30sp'
                on_release: root.show_load()
            Button:
                text: 'Capture Image'
                font_size: '30sp'
                on_release: root.show_camera()
        BoxLayout:
            orientation: 'vertical'
            BoxLayout:
                Image:
                    opacity : 0
                    id : im
                    allow_stretch : True
                    keep_ratio : True
                Image:
                    opacity : 0
                    id : im2
                    allow_stretch : True
                    keep_ratio : True
            Label:
                id : lbl
                font_size : '45sp'

<LoadDialog>:
    BoxLayout:
        size: root.size
        pos: root.pos
        orientation: "vertical"
        FileChooserIconView:
            id: filechooser
            path: './'

        BoxLayout:
            size_hint_y: None
            height: 30
            Button:
                text: "Cancel"
                on_release: root.cancel()

            Button:
                text: "Load"
                on_release: root.load(filechooser.path, filechooser.selection)