camera_activity.kv

<CameraClick>:
    orientation: 'vertical'
    padding: 20
    Label:
        size_hint: [1,.05]
        id: label
        text: "|"
    Image:
        id: img
        source: 'home.gif'
        anim_delay: 0
        size_hint: [1,.95]
    BoxLayout:
        id: box
        disabled: True
        size_hint: [1,.1]
        orientation: 'horizontal'
        opacity: 0
        Button:
            id: btn1
            size_hint: [.5,1]
            on_press: root.repeat()
            text: "Repetir"
        Button:
            id: btn2
            on_press: root.save()
            size_hint: [.5,1]
            text: "Aceitar"