<SmsInterface>:
    orientation: 'vertical'
    BoxLayout:
        size_hint_y: None
        height: sp(30)
        Label:
            text: 'Recipient:'
        TextInput:
            id: recipient
            multiline: False
            on_text_validate: message.focus = True
    BoxLayout:
        Label:
            text: 'Message:'
        TextInput:
            id: message
    IntentButton:
        sms_recipient: recipient.text
        sms_message: message.text
        text: 'Send SMS'
        size_hint_y: None
        height: sp(40)
        on_release: self.send_sms()