gistfile1.txt

from kivy.lang import Builder
from kivy.base import runTouchApp

root = Builder.load_string('''
BoxLayout:
    orientation: 'vertical'
    CheckBox:
        color: r.value, g.value, b.value, a.value
    Slider:
        id: r
        size_hint_y: None
        height: dp(40)
        min: 0
        max: 1
        value: 1
    Slider:
        id: g
        size_hint_y: None
        height: dp(40)
        min: 0
        max: 1
        value: 1
    Slider:
        id: b
        size_hint_y: None
        height: dp(40)
        min: 0
        max: 1
        value: 1
    Slider:
        id: a
        size_hint_y: None
        height: dp(40)
        min: 0
        max: 1
        value: 1
''')


runTouchApp(root)