How to intercept "go" keyboard input on android with textinput field

[w]

On android, when you are typing in an input textfield, you have the option of pressing "go" or "next".
How can I react on this event, for example emulate a click on a button to submit the form, or to set the focus to the next inputfield?

[Oleg Danchenkov]

This buttons invokes Value change event on Input