Отключить кнопку Киви в KV
#.kv file implementation of RelativeLayout
<RelativeLayout>:
# creating the Disabled button
Button:
text:"B1"
background_color: 0.1, 0.5, 0.6, 1
# positioned at 0 % in x axis and 0 % in y axis
# from bottom left, i.e x, y = 0, 0 from bottom left:
pos_hint: {"x":0.2, "y":.4}
size_hint: 0.3, 0.2
# Disabling button
disabled: True
# working button
Button:
text:"B2"
background_color: 1, 0, 0, 1
pos_hint: {"x":.6, "y":.4}
size_hint: 0.3, 0.2
My_Life_For_Aiur