语言识别
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借助机器学习套件的设备端语言识别 API，您可以确定文本字符串的语言。
在处理用户提供的文本（通常不包含任何语言信息）时，语言识别非常有用。
iOS
Android
主要功能
示例结果
| 简单的语言识别 |
|---|
| “我的气垫船上装满了鳗鱼。” |
en（英语） |
| “Dao shan xue hai” |
zh-Latn（拉丁化中文） |
| "ph'nglui mglw'nafh wgah'nagl fhtagn" |
und（未确定） |
| 置信度分布 |
|---|
| “友好政变” |
en (0.52)
fr (0.44)
ca (0.03)
|
如未另行说明，那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可，并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情，请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-08-29。
[null,null,["最后更新时间 (UTC)：2025-08-29。"],[[["\u003cp\u003eML Kit's language identification API allows you to determine the language of a text string, which is particularly helpful when dealing with user-generated content that often lacks language information.\u003c/p\u003e\n"],["\u003cp\u003eIt supports a wide range of languages, including romanized versions of Arabic, Bulgarian, Greek, Hindi, Japanese, Russian, and Chinese text.\u003c/p\u003e\n"],["\u003cp\u003eThe API can provide a simple language identification or a confidence distribution across multiple languages for a given text.\u003c/p\u003e\n"]]],["ML Kit's on-device API identifies the language of text strings, supporting over one hundred languages, including romanized versions of Arabic, Bulgarian, Greek, Hindi, Japanese, Russian, and Chinese. It's designed for user-provided text that lacks language information. The API outputs language codes (e.g., `en` for English) or `und` for undetermined. For ambiguous cases, it provides a confidence distribution across multiple languages (e.g., `en` (0.52), `fr` (0.44)).\n"],null,["With ML Kit's on-device language identification API, you can determine the\nlanguage of a string of text.\n\nLanguage identification can be useful when working with user-provided text,\nwhich often doesn't come with any language information.\n\n[iOS](/ml-kit/language/identification/ios)\n[Android](/ml-kit/language/identification/android)\n\nKey capabilities\n\n- **Broad language support.** Identifies over one hundred different languages. See the\n [complete list](/ml-kit/language/identification/langid-support).\n\n- **Romanized text support.** Identifies Arabic, Bulgarian, Greek, Hindi, Japanese,\n Russian, and Chinese text in both native and romanized script.\n\nExample results\n\n| Simple language identification ||\n|---------------------------------------|-------------------------------|\n| \"My hovercraft is full of eels.\" | `en` (English) |\n| \"Dao shan xue hai\" | `zh-Latn` (Latinized Chinese) |\n| \"ph'nglui mglw'nafh wgah'nagl fhtagn\" | `und` (undetermined) |\n\n| Confidence distribution ||\n|---------------------------|-------------------------------------|\n| \"an amicable coup d'etat\" | `en` (0.52) `fr` (0.44) `ca` (0.03) |"]]
