相关疑难解决方法(0)

我用a收集用户输入,TextFormField当用户按下FloatingActionButton指示它们完成时,我想关闭屏幕键盘.

如何让键盘自动消失？

import 'package:flutter/material.dart';

class MyHomePage extends StatefulWidget {
  MyHomePageState createState() => new MyHomePageState();
}

class MyHomePageState extends State<MyHomePage> {
  TextEditingController _controller = new TextEditingController();

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(),
      floatingActionButton: new FloatingActionButton(
        child: new Icon(Icons.send),
        onPressed: () {
          setState(() {
            // send message
            // dismiss on screen keyboard here
            _controller.clear();
          });
        },
      ),
      body: new Container(
        alignment: FractionalOffset.center,
        padding: new EdgeInsets.all(20.0),
        child: new TextFormField(
          controller: _controller,
          decoration: new InputDecoration(labelText: …

目前我知道使用此代码隐藏软键盘的onTap方法,通过任何小部件的方法.

FocusScope.of(context).requestFocus(new FocusNode());

但我想通过单击TextField外部或屏幕上的任何位置来隐藏软键盘.有没有什么方法可以做到这一点？