无法将按钮文字设置为“<<<<" [英] Cannot set button text to "<<<"

问题描述

我正在尝试将按钮的文字设置为<<<<从我的xml但我得到一个错误：（20）解析XML时出错：格式不正确（无效令牌）

I'm trying to set the text of a button to "<<<" from my xml but I get an "Error:(20) Error parsing XML: not well-formed (invalid token)"

    <Button
        android:id="@+id/test"
        android:text="<<<"
        android:layout_width="wrap_content"
        android:layout_height="match_parent" />

所以我跳到我的strings.xml进入那里，这显然不起作用。

So I jumped over to my strings.xml to enter it in there and that clearly won't work.

<string name="abc"> <<< </string>

这是否有解决方法？

推荐答案

这些是html实体，也适用于Android工作室：

These are html entities, works in android studio as well:

> can be replaced with >
< can be replaced with &lt;
" can be replaced with &quot;, &ldquo; or &rdquo;
' can be replaced with &apos;, &lsquo; or &rsquo;
} can be replaced with &#125;
& can be replaced with &amp;
space can be replaced with &#160;

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