This approach displays a default view to get user speech input. Free-form Speech Input:įrom Google documentation, we see that a common way of getting a free-form speech from user is to call startActivityForResult using the ACTION_RECOGNIZE_SPEECH action and receive the result in onActivityResult. The same documentation page also provides information about Free-form Speech input, which looks promising. Good to know, but App-provided Voice Actions are not what we are looking for. You can start your app by saying "OK Google, Start MyApp" after defining a label attribute in your manifest file, for the activity that you want to start. Voice actions are also classified here as System-provided Voice Actions and App-provided Voice Actions. On the other hand, system voice actions - like “search”, “set alarm”, “initiate a phone call”, “take a picture”, “open url” - are not interesting enough for our use case app. At first, it sounds like custom voice actions might help us, unfortunately we see that Google does not accept requests for Custom Voice actions anymore. System voice actions and custom voice actions. ![]() Google defines two types of voice actions. You can find further information here about using the assistant. We want to use a voice command to take an action in our app. However, this doesn't help us to achieve what we want. This gives us the possibility to gather some information from our app, and use this information to take an action outside of our app. Starting with Android 6.0 Marshmallow, the system may open an overlaying window for the assistant on top of our app (called "Source App"). There are two ways to activate Google Assistant: by long pressing the home button or by saying "OK, Google". It is taking over the place of Google Now, day by day. It uses machine learning and artificial intelligence to learn about you every day, and you can have a conversation with Google Assistant. Google Assistant is like an upgraded sibling of Google Now. It is similar to Apple's Siri, however Google Now is platform agnostic and can be run on iOS devices as well. ![]() Google Now is a voice activated personal assistant which can search the web for you and perform some system defined tasks.
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