我是android的新手，所以提前抱歉，我很喜欢在将数据发送到firebase数据库之前使用用户的输入并翻译它，我认为我对变量做错了，因为在循环中我可以得到语言文本“en”，但在它的 null 之后，所以翻译无法开始..
println("SAVING DATABASE")
var theLangue:String? = null
var detect:String? = null
val languageIdentifier = LanguageIdentification.getClient()
languageIdentifier.identifyPossibleLanguages(userText)
.addOnSuccessListener { identifiedLanguages ->
for (identifedLanguage in identifiedLanguages) {
detect = identifedLanguage.languageTag
val confidence = identifedLanguage.confidence
println(" LANGUAGE DETECTED: $detect , LANGUAGE CONFIDENCE: $confidence")
}
theLangue = detect
}.addOnFailureListener {
println("problem cant translate!")
}
println("Translate pre build ${theLangue.toString()} ++ $theLangue") //todo NULL
val options = TranslatorOptions.Builder()
.setSourceLanguage(theLangue.toString()) // todo NULL
.setTargetLanguage(Locale.getDefault().displayLanguage)
.build()
val theTranslator = Translation.getClient(options)
val conditions = DownloadConditions.Builder()
.requireWifi()
.build()
theTranslator.downloadModelIfNeeded(conditions)
.addOnSuccessListener {
println("succes downloading models languages.. going to translate wait..")
theTranslator.translate(userText)
.addOnSuccessListener {
// Translation successful.
println("Succes translated text")
}
.addOnFailureListener { exception ->
// Error.
// ...
println("there is a problem failed to transalte !")
}
}
.addOnFailureListener { exception ->
// Model couldn’t be downloaded or other internal error.
// ...
println(exception.message)
println(exception.localizedMessage)
println("cant download languages models !")
}