擅长:python、mysql、java
<p>您可以像这样子类化<code>Button</code>:</p>
<pre><code><MyButton@Button>:
size_hint: None, None
size: 200, 100
</code></pre>
<p>然后在<code>MyLayout</code>中使用该子类:</p>
<pre><code>MyLayout:
MyButton:
pos_hint: {"x":0.05, "top":0.95}
text:"Import config"
on_release:
root.loadPicker()
MyButton:
pos_hint: {"x":0.2, "top":0.9}
text:"Poll A"
</code></pre>