语音输入

最新推荐文章于 2022-04-24 11:02:48 发布

liucaoye

最新推荐文章于 2022-04-24 11:02:48 发布

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分类专栏： Android

本文链接：https://blog.youkuaiyun.com/liucaoye/article/details/48001953

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    public static final int VOICE_INPUT_REQUEST_CODE = 0;

    private void voiceInput() {
        try {
            Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
            intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
            intent.putExtra(RecognizerIntent.EXTRA_PROMPT, getString(R.string.voicesearch_message));
            startActivityForResult(intent, VOICE_INPUT_REQUEST_CODE);
        } catch (final ActivityNotFoundException e) {
            startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.voicesearch_url))));
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        voiceOutput(requestCode, resultCode, data);
        super.onActivityResult(requestCode, resultCode, data);
    }

    private void voiceOutput(int requestCode, int resultCode, Intent data) {
        if ((requestCode == VOICE_INPUT_REQUEST_CODE && (resultCode == RESULT_OK))) {
            String speakedString = "";
            final ArrayList<String> speechToChar = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

            // Google语音返回一个字符列表，可能性依次降低。第一个是最有可能的，所以选择第一个字符。
            if (speechToChar.size() > 0) {
                speakedString = speechToChar.get(0);
            }

            Log.d("TAG", "显示的语音：" + speakedString.trim());
        }
    }

<string name="voicesearch_url">market://details?id=com.google.android.voicesearch</string> 
<string name="voicesearch_message">语音输入</string>