如何设置在Android的语音识别的语言？

问题描述

我一直工作在语音识别API在Android和发现，语音配发结果有所不同，当语言设置被更改，有没有办法来编程设置呢？或者是有意向午餐演讲语言设置屏幕？还是什么别的？注意：我试图用这个意图额外的：

I've been working on speech Recognition API in android and found out that the speech results vary allot when the language settings are changed , is there a way to set it programmatically ? or is there an intent to lunch the speech language settings screen ? or what else ?note:I tried to use this intent extra:

intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE, "en-US");

但它是无效的。

but it was ineffective

推荐答案

由于pargat说，这将做到这一点：

As pargat says, this will do it:

intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "en-US");

另外，你的应用程序可以通过发送 RecognizerIntent.ACTION_GET_LANGUAGE_DETAILS 有序广播，像这样查询所支持的语言列表：

Also, your app can query for the list of supported languages by sending a RecognizerIntent.ACTION_GET_LANGUAGE_DETAILS ordered broadcast like so:

    Intent detailsIntent =  new Intent(RecognizerIntent.ACTION_GET_LANGUAGE_DETAILS);
    sendOrderedBroadcast(
            detailsIntent, null, new LanguageDetailsChecker(), null, Activity.RESULT_OK, null, null);

在这里LanguageDetailsChecker是这样的：

where LanguageDetailsChecker is something like this:

public class LanguageDetailsChecker extends BroadcastReceiver
{
    private List<String> supportedLanguages;

    private String languagePreference;

    @Override
    public void onReceive(Context context, Intent intent)
    {
        Bundle results = getResultExtras(true);
        if (results.containsKey(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE))
        {
            languagePreference =
                    results.getString(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE);
        }
        if (results.containsKey(RecognizerIntent.EXTRA_SUPPORTED_LANGUAGES))
        {
            supportedLanguages =
                    results.getStringArrayList(
                            RecognizerIntent.EXTRA_SUPPORTED_LANGUAGES);
        }
    }
}

有关完整的code看看这个github上的项目： https://github.com/gast-lib

For the complete code check out this github project:https://github.com/gast-lib

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