How can I dismiss the on screen keyboard?

Question

I am collecting user input with a TextFormField and when the user presses a FloatingActionButton indicating they are done, I want to dismiss the on

Answer 1

_dismissKeyboard(BuildContext context) {
   FocusScope.of(context).requestFocus(new FocusNode());
}

@override
Widget build(BuildContext context) {

return new GestureDetector(
    onTap: () {
    this._dismissKeyboard(context);
    },
    child: new Container(
    color: Colors.white,
    child: new Column(
        children: [/*...*/],
    ),
    ),
 );
}