我正在看这本奇异的书，虽然我可以理解如何更改按钮的背景色，但还没有找到用于更改文本颜色的关键字。
#!/usr/bin/kivy
import kivy
kivy.require('1.7.2')
from random import random
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.uix.gridlayout import GridLayout
from kivy.graphics import Color, Ellipse, Rectangle
class MinimalApp(App):
title = 'My App'
def build(self):
root = RootLayout()
return(root)
class RootLayout(GridLayout):
pass
if __name__ == '__main__':
MinimalApp().run()
#:kivy 1.7.2
#:import kivy kivy
<RootLayout>:
rows: 1
Label:
text: "Why does this not work?"
# rgba: 1,0,1,1 # doesn't work
# Color: # doesn't work
# rgba: 1,0,1,1 # doesn't work
# font_color: rgba: 1,0,1,1
canvas.before:
Color:
rgba: 0, 0, 0, 1
Rectangle:
pos: self.pos
size: self.size
使用color（全部小写）：
<RootLayout>:
rows: 1
Label:
text: "Why does this not work?"
color: 1,0,1,1 # <-----------
canvas.before:
Color:
rgba: 0, 0, 0, 1
Rectangle:
pos: self.pos
size: self.size
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我来说两句