progressbar.py 文件源码

def build(self):
            Clock.schedule_interval(self.callback, 1)
            return Builder.load_string("""#:import MDSlider kivymd.slider.MDSlider
        #:import MDLabel kivymd.label.MDLabel
BoxLayout:
    orientation:'vertical'
    padding: '8dp'
    MDSlider:
        id:slider
        min:0
        max:100
        value: 10

    MDProgressBar:
        value: app.rvalue
        rgbr:"00FF00"
    MDProgressBar:
        reversed: True
        value: app.rvalue
        rgbr:"00FFFF"
    BoxLayout:
        MDProgressBar:
            orientation:"vertical"
            reversed: False
            value: slider.value
            rgbr:"FFFF00"
            test: True
            alpha:.7

        MDProgressBar:
            orientation:"vertical"
            value: slider.value
            reversed:True
            rgbr:"00ff77"

        MDLabel:
            text: str(app.rvalue)
            theme_text_color: 'Primary'
            font_style:"Caption"
            size_hint_y: None
            halign: 'center'
            height: self.texture_size[1] + dp(64)



""")