如何使Google即时在Android后台连续运行

问题描述

我的想法是应用程序，但是我还无法弄清楚其中的一部分.在Android版Google即时中，它为您提供了以下搜索选项:

I have a app idea in mind, but I haven't been able to figure out one part yet. In Google Now on Android, it gives you the following options to search:

1. 要搜索的类型
2. 单击麦克风以说出您的搜索内容
3. 或者只需说"Google"即可开始语音搜索.

我想知道他们是如何使#3工作的.我需要有一个关键词，当说出这个关键词时，它会启动语音搜索.

I'd like to know how they made #3 work. I need to have a keyword, that when said, initiates the voice search.

我想他们有某种类型的后台运行服务，不断监听语音操作.有谁知道这是如何实现的?

I imagine they have some type of background running service constantly listening for voice actions. Does anyone know how this is achieved?

以下是Google即时应用的图片:

Here is a image of the Google Now app:

推荐答案

您可以编写服务，然后在该服务中使用 createSpeechRecognizer .有关完整的服务代码，您可以在

You can write a service and then use createSpeechRecognizer in that service. For a complete service code for this you can find the answer at Android Speech Recognition as a service on Android 4.1 & 4.2

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