1. A method, comprising: displaying, by a computing device, a display for a voice user interface to an application, the display for the voice user interface comprising a command display of one or more voice accessible commands for the application, a display for a non-voice user interface to the application, and an action bar, wherein the action bar is configured to separate the display for the voice user interface and the display for the non-voice user interface; receiving, by the computing device, an input utterance; obtaining, by the computing device, input text based upon speech recognition performed upon the input utterance; determining, by the computing device, that the input text corresponds to a voice-accessible command displayed as part of the command display; executing, by the computing device, the application to perform the command; receiving, by the computing device, input associated with a motion on a touch screen of the computing device, where the motion starts at a region of the touch screen that corresponds to the action bar displayed on the display; and in response to the input, switching between the voice user interface and the non-voice user interface by the computing device.