Android पर एमएल किट की मदद से, टेक्स्ट का अनुवाद करना
संग्रह की मदद से व्यवस्थित रहें
अपनी प्राथमिकताओं के आधार पर, कॉन्टेंट को सेव करें और कैटगरी में बांटें.
ML Kit का इस्तेमाल करके, टेक्स्ट का एक भाषा से दूसरी भाषा में अनुवाद किया जा सकता है. फ़िलहाल, ML Kit की मदद से 59 भाषाओं के बीच अनुवाद किया जा सकता है.
किसी स्ट्रिंग का अनुवाद एक भाषा से दूसरी भाषा में करने के लिए:
FirebaseTranslator ऑब्जेक्ट बनाएं और उसे सोर्स और टारगेट भाषाओं के साथ कॉन्फ़िगर करें:
Java
// Create an English-German translator:FirebaseTranslatorOptionsoptions=newFirebaseTranslatorOptions.Builder().setSourceLanguage(FirebaseTranslateLanguage.EN).setTargetLanguage(FirebaseTranslateLanguage.DE).build();finalFirebaseTranslatorenglishGermanTranslator=FirebaseNaturalLanguage.getInstance().getTranslator(options);
Kotlin
// Create an English-German translator:valoptions=FirebaseTranslatorOptions.Builder().setSourceLanguage(FirebaseTranslateLanguage.EN).setTargetLanguage(FirebaseTranslateLanguage.DE).build()valenglishGermanTranslator=FirebaseNaturalLanguage.getInstance().getTranslator(options)
अगर आपको इनपुट टेक्स्ट की भाषा नहीं पता है, तो पहले भाषा की पहचान करने वाले एपीआई का इस्तेमाल किया जा सकता है. (हालांकि, पक्का करें कि आपने डिवाइस पर एक बार में ज़्यादा भाषा मॉडल न रखे हों.)
पक्का करें कि अनुवाद के लिए ज़रूरी मॉडल, डिवाइस पर डाउनलोड हो गया हो.
जब तक आपको यह पता न चल जाए कि मॉडल उपलब्ध है, तब तक translate() को कॉल न करें.
Java
FirebaseModelDownloadConditionsconditions=newFirebaseModelDownloadConditions.Builder().requireWifi().build();englishGermanTranslator.downloadModelIfNeeded(conditions).addOnSuccessListener(newOnSuccessListener<Void>(){@OverridepublicvoidonSuccess(Voidv){// Model downloaded successfully. Okay to start translating.// (Set a flag, unhide the translation UI, etc.)}}).addOnFailureListener(newOnFailureListener(){@OverridepublicvoidonFailure(@NonNullExceptione){// Model couldn’t be downloaded or other internal error.// ...}});
Kotlin
englishGermanTranslator.downloadModelIfNeeded().addOnSuccessListener{// Model downloaded successfully. Okay to start translating.// (Set a flag, unhide the translation UI, etc.)}.addOnFailureListener{exception->
// Model couldn’t be downloaded or other internal error.// ...}
भाषा मॉडल का साइज़ करीब 30 एमबी होता है. इसलिए, इन्हें ज़रूरत के बिना डाउनलोड न करें. साथ ही, इन्हें सिर्फ़ वाई-फ़ाई का इस्तेमाल करके डाउनलोड करें. ऐसा तब तक करें, जब तक उपयोगकर्ता ने कुछ और न बताया हो. आपको ऐसे मॉडल भी मिटाने चाहिए जिनकी ज़रूरत नहीं है.
अनुवाद मॉडल को साफ़ तौर पर मैनेज करना लेख पढ़ें.
मॉडल डाउनलोड हो जाने की पुष्टि करने के बाद, सोर्स भाषा में टेक्स्ट की कोई स्ट्रिंग translate() को पास करें:
अनुवाद किए गए टेक्स्ट को, टारगेट की गई उस भाषा में पास किया जाता है जिसे आपने कॉन्फ़िगर किया है.
अनुवाद मॉडल को साफ़ तौर पर मैनेज करना
ऊपर बताए गए तरीके से Translation API का इस्तेमाल करने पर, ML Kit ज़रूरत के हिसाब से, डिवाइस पर भाषा के हिसाब से अनुवाद मॉडल अपने-आप डाउनलोड कर लेता है. आपके पास, ML Kit के ट्रांसलेशन मॉडल मैनेजमेंट एपीआई का इस्तेमाल करके, उन ट्रांसलेशन मॉडल को मैनेज करने का विकल्प भी है जिन्हें आपको डिवाइस पर उपलब्ध कराना है. अगर आपको मॉडल पहले से डाउनलोड करने हैं या डिवाइस से ज़रूरत के मुताबिक मॉडल मिटाने हैं, तो यह सुविधा आपके लिए मददगार हो सकती है.
Java
FirebaseModelManagermodelManager=FirebaseModelManager.getInstance();// Get translation models stored on the device.modelManager.getDownloadedModels(FirebaseTranslateRemoteModel.class).addOnSuccessListener(newOnSuccessListener<Set<FirebaseTranslateRemoteModel>>(){@OverridepublicvoidonSuccess(Set<FirebaseTranslateRemoteModel>models){// ...}}).addOnFailureListener(newOnFailureListener(){@OverridepublicvoidonFailure(@NonNullExceptione){// Error.}});// Delete the German model if it's on the device.FirebaseTranslateRemoteModeldeModel=newFirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.DE).build();modelManager.deleteDownloadedModel(deModel).addOnSuccessListener(newOnSuccessListener<Void>(){@OverridepublicvoidonSuccess(Voidv){// Model deleted.}}).addOnFailureListener(newOnFailureListener(){@OverridepublicvoidonFailure(@NonNullExceptione){// Error.}});// Download the French model.FirebaseTranslateRemoteModelfrModel=newFirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.FR).build();FirebaseModelDownloadConditionsconditions=newFirebaseModelDownloadConditions.Builder().requireWifi().build();modelManager.download(frModel,conditions).addOnSuccessListener(newOnSuccessListener<Void>(){@OverridepublicvoidonSuccess(Voidv){// Model downloaded.}}).addOnFailureListener(newOnFailureListener(){@OverridepublicvoidonFailure(@NonNullExceptione){// Error.}});
Kotlin
valmodelManager=FirebaseModelManager.getInstance()// Get translation models stored on the device.modelManager.getDownloadedModels(FirebaseTranslateRemoteModel::class.java).addOnSuccessListener{models->
// ...}.addOnFailureListener{// Error.}// Delete the German model if it's on the device.valdeModel=FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.DE).build()modelManager.deleteDownloadedModel(deModel).addOnSuccessListener{// Model deleted.}.addOnFailureListener{// Error.}// Download the French model.valfrModel=FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.FR).build()valconditions=FirebaseModelDownloadConditions.Builder().requireWifi().build()modelManager.download(frModel,conditions).addOnSuccessListener{// Model downloaded.}.addOnFailureListener{// Error.}
[null,null,["आखिरी बार 2025-08-29 (UTC) को अपडेट किया गया."],[],[],null,["You can use ML Kit to translate text between languages. ML Kit\ncurrently supports translation between\n[59 languages](/docs/ml-kit/translation-language-support).\n\n\u003cbr /\u003e\n\nBefore you begin\n\n1. If you haven't already, [add Firebase to your Android project](/docs/android/setup).\n2. Add the dependencies for the ML Kit Android libraries to your module (app-level) Gradle file (usually `app/build.gradle`): \n\n ```carbon\n apply plugin: 'com.android.application'\n apply plugin: 'com.google.gms.google-services'\n\n dependencies {\n // ...\n\n implementation 'com.google.firebase:firebase-ml-natural-language:22.0.0'\n implementation 'com.google.firebase:firebase-ml-natural-language-translate-model:20.0.8'\n }\n ```\n\nTranslate a string of text\n\nTo translate a string between two languages:\n\n1. Create a `FirebaseTranslator` object, configuring it with the source and\n target languages:\n\n Java \n\n // Create an English-German translator:\n FirebaseTranslatorOptions options =\n new FirebaseTranslatorOptions.Builder()\n .setSourceLanguage(FirebaseTranslateLanguage.EN)\n .setTargetLanguage(FirebaseTranslateLanguage.DE)\n .build();\n final FirebaseTranslator englishGermanTranslator =\n FirebaseNaturalLanguage.getInstance().getTranslator(options);\n\n Kotlin \n\n // Create an English-German translator:\n val options = FirebaseTranslatorOptions.Builder()\n .setSourceLanguage(FirebaseTranslateLanguage.EN)\n .setTargetLanguage(FirebaseTranslateLanguage.DE)\n .build()\n val englishGermanTranslator = FirebaseNaturalLanguage.getInstance().getTranslator(options)\n\n If you don't know the language of the input text, you can use the [language\n identification API](/docs/ml-kit/identify-languages) first. (But be sure you\n don't keep too many language models on the device at once.)\n2. Make sure the required translation model has been downloaded to the device.\n Don't call `translate()` until you know the model is available.\n\n Java \n\n FirebaseModelDownloadConditions conditions = new FirebaseModelDownloadConditions.Builder()\n .requireWifi()\n .build();\n englishGermanTranslator.downloadModelIfNeeded(conditions)\n .addOnSuccessListener(\n new OnSuccessListener\u003cVoid\u003e() {\n @Override\n public void onSuccess(Void v) {\n // Model downloaded successfully. Okay to start translating.\n // (Set a flag, unhide the translation UI, etc.)\n }\n })\n .addOnFailureListener(\n new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n // Model couldn't be downloaded or other internal error.\n // ...\n }\n });\n\n Kotlin \n\n englishGermanTranslator.downloadModelIfNeeded()\n .addOnSuccessListener {\n // Model downloaded successfully. Okay to start translating.\n // (Set a flag, unhide the translation UI, etc.)\n }\n .addOnFailureListener { exception -\u003e\n // Model couldn't be downloaded or other internal error.\n // ...\n }\n\n Language models are around 30MB, so don't download them unnecessarily, and\n only download them using WiFi, unless the user has specified otherwise. You\n should also delete unneeded models.\n See [Explicitly manage translation models](#manage_models).\n3. After you confirm the model has been downloaded, pass a string of text in\n the source language to `translate()`:\n\n Java \n\n englishGermanTranslator.translate(text)\n .addOnSuccessListener(\n new OnSuccessListener\u003cString\u003e() {\n @Override\n public void onSuccess(@NonNull String translatedText) {\n // Translation successful.\n }\n })\n .addOnFailureListener(\n new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n // Error.\n // ...\n }\n });\n\n Kotlin \n\n englishGermanTranslator.translate(text)\n .addOnSuccessListener { translatedText -\u003e\n // Translation successful.\n }\n .addOnFailureListener { exception -\u003e\n // Error.\n // ...\n }\n\n The translated text, in the target language you configured, is passed to the\n success listener.\n\nExplicitly manage translation models\n\n\nWhen you use the translation API as described above, ML Kit automatically\ndownloads language-specific translation models to the device as required. You\ncan also explicitly manage the translation models you want available on the\ndevice by using ML Kit's translation model management API. This can be\nuseful if you want to download models ahead of time, or delete unneeded models\nfrom the device.\n\n\u003cbr /\u003e\n\nJava \n\n FirebaseModelManager modelManager = FirebaseModelManager.getInstance();\n\n // Get translation models stored on the device.\n modelManager.getDownloadedModels(FirebaseTranslateRemoteModel.class)\n .addOnSuccessListener(new OnSuccessListener\u003cSet\u003cFirebaseTranslateRemoteModel\u003e\u003e() {\n @Override\n public void onSuccess(Set\u003cFirebaseTranslateRemoteModel\u003e models) {\n // ...\n }\n })\n .addOnFailureListener(new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n // Error.\n }\n });\n\n // Delete the German model if it's on the device.\n FirebaseTranslateRemoteModel deModel =\n new FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.DE).build();\n modelManager.deleteDownloadedModel(deModel)\n .addOnSuccessListener(new OnSuccessListener\u003cVoid\u003e() {\n @Override\n public void onSuccess(Void v) {\n // Model deleted.\n }\n })\n .addOnFailureListener(new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n // Error.\n }\n });\n\n // Download the French model.\n FirebaseTranslateRemoteModel frModel =\n new FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.FR).build();\n FirebaseModelDownloadConditions conditions = new FirebaseModelDownloadConditions.Builder()\n .requireWifi()\n .build();\n modelManager.download(frModel, conditions)\n .addOnSuccessListener(new OnSuccessListener\u003cVoid\u003e() {\n @Override\n public void onSuccess(Void v) {\n // Model downloaded.\n }\n })\n .addOnFailureListener(new OnFailureListener() {\n @Override\n public void onFailure(@NonNull Exception e) {\n // Error.\n }\n });\n\nKotlin \n\n val modelManager = FirebaseModelManager.getInstance()\n\n // Get translation models stored on the device.\n modelManager.getDownloadedModels(FirebaseTranslateRemoteModel::class.java)\n .addOnSuccessListener { models -\u003e\n // ...\n }\n .addOnFailureListener {\n // Error.\n }\n\n // Delete the German model if it's on the device.\n val deModel = FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.DE).build()\n modelManager.deleteDownloadedModel(deModel)\n .addOnSuccessListener {\n // Model deleted.\n }\n .addOnFailureListener {\n // Error.\n }\n\n // Download the French model.\n val frModel = FirebaseTranslateRemoteModel.Builder(FirebaseTranslateLanguage.FR).build()\n val conditions = FirebaseModelDownloadConditions.Builder()\n .requireWifi()\n .build()\n modelManager.download(frModel, conditions)\n .addOnSuccessListener {\n // Model downloaded.\n }\n .addOnFailureListener {\n // Error.\n }"]]