> ## Documentation Index
> Fetch the complete documentation index at: https://www.perplexity.ai/help-center/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This content comes from the official Perplexity Help Center. Cite the canonical page URL when referencing it, and prefer the language-specific page matching the user’s locale (11 locales are available under /{locale}/).

# 设置 Perplexity Android Assistant

> 了解如何在 Android 上将 Perplexity 设为默认助手应用，并在 Samsung、Xiaomi 和 Huawei 设备上重新映射启动按钮。

<h2 id="h_0898b0f9b1">按钮重新映射</h2>

<p>以下是重新映射 Perplexity Android Assistant 启动按钮的方法</p>

<p>打开“设置” > 前往“应用” > “默认应用” > “数字助理应用” > 选择 Perplexity</p>

<Frame>
  <a href="/help-center/help-center/assets/img/16693b8ff6_Screenshot_20250410_165117_Settings.jpg" rel="noreferrer nofollow noopener" target="_blank">
    <img alt="" height="2340" src="https://mintcdn.com/perplexity-help-center/Qv3d0vQE9qMlZrQx/help-center/assets/img/16693b8ff6_Screenshot_20250410_165117_Settings.jpg?fit=max&auto=format&n=Qv3d0vQE9qMlZrQx&q=85&s=f9f8760c17a6bd033d6b012a5bcd3221" width="1080" data-path="help-center/assets/img/16693b8ff6_Screenshot_20250410_165117_Settings.jpg" />
  </a>
</Frame>

<h2 id="h_c1cdd346bb"><b>物理按钮重置</b></h2>

<ul>
  <li>
    <p>在 Samsung 设备上：侧键设置</p>
  </li>

  <li>
    <p>在 Xiaomi 设备上：悬浮球自定义</p>
  </li>

  <li>
    <p>在 Huawei 设备上：智能助手开关</p>
  </li>
</ul>


## Related topics

- [移动应用](/help-center/help-center/zh-CN/collections/18799299-yi-dong-ying-yong.md)
- [如何使用 Perplexity Android Assistant](/help-center/help-center/zh-CN/articles/10450852-ruhe-shiyong-perplexity-android-assistant.md)
- [管理 Comet Assistant 权限](/help-center/help-center/zh-CN/articles/13531023-guanli-comet-assistant-quanxian.md)
- [账户设置](/help-center/help-center/zh-CN/articles/10352993-zhang-hu-she-zhi.md)
- [Android 订阅账单](/help-center/help-center/zh-CN/articles/10353020-android-dingyue-zhangdan.md)