语音输入Android Wear preVIEW仿真图像中被禁用。

Voice input is disabled in the Android Wear preview emulator image.

语音引擎只返回一个字符串，所以你可以使用用于测试目的。谢谢，阿里+ Naddaf。

The voice engine just returns a string, so you could use that for testing purposes. Thanks, +Ali Naddaf.