@capacitor-mlkit/translation

Unofficial Capacitor plugin for ML Kit Translation.[^1]

Installation

npm install @capacitor-mlkit/translation
npx cap sync

Android

Variables

If needed, you can define the following project variable in your app’s variables.gradle file to change the default version of the dependency:

• $mlkitTranslateVersion version of com.google.mlkit:translate (default: 17.0.3)

This can be useful if you encounter dependency conflicts with other plugins in your project.

iOS

Minimum Deployment Target

Make sure to set the deployment target in your ios/App/Podfile to at least 15.5:

platform :ios, '15.5'

Configuration

No configuration required for this plugin.

Demo

A working example can be found here: robingenz/capacitor-mlkit-plugin-demo

Usage

import { Translation, Language } from '@capacitor-mlkit/translation';

const deleteDownloadedModel = async () => {
  await Translation.deleteDownloadedModel({
    language: Language.English,
  });
};

const downloadModel = async () => {
  await Translation.downloadModel({
    language: Language.English,
  });
};

const getDownloadedModels = async () => {
  const { languages } = await Translation.getDownloadedModels();
  return languages;
};

const translate = async () => {
  const { text } = await Translation.translate({
    text: 'Good morning!',
    sourceLanguage: Language.English,
    targetLanguage: Language.German,
  });
  return text;
};

API

• deleteDownloadedModel(...)
• downloadModel(...)
• getDownloadedModels()
• translate(...)
• Interfaces
• Enums

deleteDownloadedModel(...)

deleteDownloadedModel(options: DeleteDownloadedModelOptions) => Promise<void>

Delete the language model for the given language.

Only available on Android and iOS.

| Param | Type | | ------------- | ------------------------------------------------------------------------------------- | | options | DeleteDownloadedModelOptions |

Since: 0.0.1

downloadModel(...)

downloadModel(options: DownloadModel) => Promise<void>

Download a language model for offline translation.

Language models are around 30MB in size, so be sure to only download the models you need and only download them using a WiFi connection unless the user has specified otherwise.

Only available on Android and iOS.

| Param | Type | | ------------- | ------------------------------------------------------- | | options | DownloadModel |

Since: 0.0.1

getDownloadedModels()

getDownloadedModels() => Promise<GetDownloadedModelsResult>

Get the languages for which a model has been downloaded.

Only available on Android and iOS.

Returns: Promise<GetDownloadedModelsResult>

Since: 0.0.1

translate(...)

translate(options: TranslateOptions) => Promise<TranslateResult>

Translate the given text.

If the language model for the given source and target languages is not downloaded, it will be downloaded automatically which may take some time. If you want to avoid this, use the downloadModel(...) method to download the model first.

Only available on Android and iOS.

| Param | Type | | ------------- | ------------------------------------------------------------- | | options | TranslateOptions |

Returns: Promise<TranslateResult>

Since: 0.0.1

Interfaces

DeleteDownloadedModelOptions

| Prop | Type | Description | Since | | -------------- | --------------------------------------------- | ------------------------------------------- | ----- | | language | Language | The language for which to delete the model. | 0.0.1 |

DownloadModel

| Prop | Type | Description | Since | | -------------- | --------------------------------------------- | --------------------------------------- | ----- | | language | Language | The language to download the model for. | 0.0.1 |

GetDownloadedModelsResult

| Prop | Type | Description | | --------------- | ----------------------- | ---------------------------------------------------- | | languages | Language[] | The languages for which a model has been downloaded. |

TranslateResult

| Prop | Type | Description | Since | | ---------- | ------------------- | -------------------- | ----- | | text | string | The translated text. | 0.0.1 |

TranslateOptions

| Prop | Type | Description | Since | | -------------------- | --------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----- | | text | string | The text to translate. | 0.0.1 | | sourceLanguage | Language | The source language of the text. If you don't know the source language, you can use the Language</a> Identification plugin to detect it. | 0.0.1 | | targetLanguage | Language | The target language to translate the text to. | 0.0.1 |

Enums

Language

| Members | Value | Since | | ---------------- | ----------------- | ----- | | Afrikaans | 'af' | 0.0.1 | | Arabic | 'ar' | 0.0.1 | | Belarusian | 'be' | 0.0.1 | | Bulgarian | 'bg' | 0.0.1 | | Bengali | 'bn' | 0.0.1 | | Catalan | 'ca' | 0.0.1 | | Czech | 'cs' | 0.0.1 | | Welsh | 'cy' | 0.0.1 | | Danish | 'da' | 0.0.1 | | German | 'de' | 0.0.1 | | Greek | 'el' | 0.0.1 | | English | 'en' | 0.0.1 | | Esperanto | 'eo' | 0.0.1 | | Spanish | 'es' | 0.0.1 | | Estonian | 'et' | 0.0.1 | | Persian | 'fa' | 0.0.1 | | Finnish | 'fi' | 0.0.1 | | French | 'fr' | 0.0.1 | | Irish | 'ga' | 0.0.1 | | Galician | 'gl' | 0.0.1 | | Gujarati | 'gu' | 0.0.1 | | Hebrew | 'he' | 0.0.1 | | Hindi | 'hi' | 0.0.1 | | Croatian | 'hr' | 0.0.1 | | Haitian | 'ht' | 0.0.1 | | Hungarian | 'hu' | 0.0.1 | | Indonesian | 'id' | 0.0.1 | | Icelandic | 'is' | 0.0.1 | | Italian | 'it' | 0.0.1 | | Japanese | 'ja' | 0.0.1 | | Georgian | 'ka' | 0.0.1 | | Kannada | 'kn' | 0.0.1 | | Korean | 'ko' | 0.0.1 | | Lithuanian | 'lt' | 0.0.1 | | Latvian | 'lv' | 0.0.1 | | Macedonian | 'mk' | 0.0.1 | | Marathi | 'mr' | 0.0.1 | | Malay | 'ms' | 0.0.1 | | Maltese | 'mt' | 0.0.1 | | Dutch | 'nl' | 0.0.1 | | Norwegian | 'no' | 0.0.1 | | Polish | 'pl' | 0.0.1 | | Portuguese | 'pt' | 0.0.1 | | Romanian | 'ro' | 0.0.1 | | Russian | 'ru' | 0.0.1 | | Slovak | 'sk' | 0.0.1 | | Slovenian | 'sl' | 0.0.1 | | Albanian | 'sq' | 0.0.1 | | Swedish | 'sv' | 0.0.1 | | Swahili | 'sw' | 0.0.1 | | Tamil | 'ta' | 0.0.1 | | Telugu | 'te' | 0.0.1 | | Thai | 'th' | 0.0.1 | | Tagalog | 'tl' | 0.0.1 | | Turkish | 'tr' | 0.0.1 | | Ukrainian | 'uk' | 0.0.1 | | Urdu | 'ur' | 0.0.1 | | Vietnamese | 'vi' | 0.0.1 | | Chinese | 'zh' | 0.0.1 |

Terms & Privacy

This plugin uses the Google ML Kit:

• Terms & Privacy
• Android Data Disclosure
• iOS Data Disclosure

Changelog

See CHANGELOG.md.

License

See LICENSE.

[^1]: This project is not affiliated with, endorsed by, sponsored by, or approved by Google LLC or any of their affiliates or subsidiaries.