Flutter 有没有办法将自定义工具栏放在键盘上?
Flutter 有没有办法将自定义工具栏放在键盘上?,flutter,android-keypad,iphone-keypad,Flutter,Android Keypad,Iphone Keypad,我想在键盘上放置一个自定义工具栏,如上图所示。在颤振中可能吗?或者我应该在iOS或Android端编写代码?是的,有一种方法可以实现这一点 创建要添加的工具栏小部件 将其设置为在输入焦点上可见 作为参考,我分享的代码,我如何实现这一点 class InputDoneView extends StatelessWidget { @override Widget build(BuildContext context) { return Container( width:
我想在键盘上放置一个自定义工具栏,如上图所示。在颤振中可能吗?或者我应该在iOS或Android端编写代码?是的,有一种方法可以实现这一点
class InputDoneView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
width: double.infinity,
color: Style.lightGrey,
child: Align(
alignment: Alignment.topRight,
child: Padding(
padding: const EdgeInsets.only(top: 1.0, bottom: 1.0),
child: CupertinoButton(
padding: EdgeInsets.only(right: 24.0, top: 2.0, bottom: 2.0),
onPressed: () {
FocusScope.of(context).requestFocus(new FocusNode());
},
child: Text(
"Done",
style: TextStyle(color: Style.primaryColor,fontWeight: FontWeight.normal)
),
),
),
),
);
}
}
当输入字段集中在输入和输出时,在主视图中调用此选项
showOverlay(BuildContext context) {
if (overlayEntry != null) return;
OverlayState overlayState = Overlay.of(context);
overlayEntry = OverlayEntry(builder: (context) {
return Positioned(
bottom: MediaQuery.of(context).viewInsets.bottom, right: 0.0, left: 0.0, child: InputDoneView());
});
overlayState.insert(overlayEntry);
}
removeOverlay() {
if (overlayEntry != null) {
overlayEntry.remove();
overlayEntry = null;
}
}
是的,在颤振中有一种方法可以实现这一点
class InputDoneView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
width: double.infinity,
color: Style.lightGrey,
child: Align(
alignment: Alignment.topRight,
child: Padding(
padding: const EdgeInsets.only(top: 1.0, bottom: 1.0),
child: CupertinoButton(
padding: EdgeInsets.only(right: 24.0, top: 2.0, bottom: 2.0),
onPressed: () {
FocusScope.of(context).requestFocus(new FocusNode());
},
child: Text(
"Done",
style: TextStyle(color: Style.primaryColor,fontWeight: FontWeight.normal)
),
),
),
),
);
}
}
当输入字段集中在输入和输出时,在主视图中调用此选项
showOverlay(BuildContext context) {
if (overlayEntry != null) return;
OverlayState overlayState = Overlay.of(context);
overlayEntry = OverlayEntry(builder: (context) {
return Positioned(
bottom: MediaQuery.of(context).viewInsets.bottom, right: 0.0, left: 0.0, child: InputDoneView());
});
overlayState.insert(overlayEntry);
}
removeOverlay() {
if (overlayEntry != null) {
overlayEntry.remove();
overlayEntry = null;
}
}
您可以复制粘贴运行下面的完整代码
请参见下面的工作演示
您可以使用软件包
步骤1:将
与HandleFocusnodesOverlyMixin一起使用
步骤2:对focusNode
使用FocusNodeOverlay
步骤3:使用GetFocusNodeOverlay
并设置\u focusNodeOverlay=GetFocusNodeOverlay(
第4步:TextField
使用TextField(focusNode:\u focusNodeOverlay,
代码片段
class _MyHomePageState extends State<MyHomePage>
with HandleFocusNodesOverlayMixin {
FocusNodeOverlay _focusNodeOverlay;
@override
void initState() {
_focusNodeOverlay = GetFocusNodeOverlay(
child: TopKeyboardUtil(
Container(
color: Colors.white,
height: 45,
width: MediaQueryData.fromWindow(ui.window).size.width,
child: Row(
children: [
GestureDetector(
child: Icon(Icons.save),
onTap: () => print("click"),
),
...
Spacer(),
Container(
width: 60,
child: Center(
child: DoneButtonIos(
backgroundColor: Colors.white,
textColor: Colors.green,
label: 'Post',
onSubmitted: () {
print("submit");
},
platforms: ['android', 'ios'],
),
),
),
],
),
),
),
);
class\u MyHomePageState扩展状态
用手扶眼睑结缔组织{
FocusNodeOverlay\u FocusNodeOverlay;
@凌驾
void initState(){
_focusNodeOverlay=GetFocusNodeOverlay(
孩子:TopKeyboardUtil(
容器(
颜色:颜色,白色,
身高:45,
宽度:MediaQueryData.fromWindow(ui.window).size.width,
孩子:排(
儿童:[
手势检测器(
子:图标(Icons.save),
onTap:()=>打印(“单击”),
),
...
垫片(),
容器(
宽度:60,
儿童:中心(
孩子:DoneButtonIos(
背景颜色:Colors.white,
textColor:Colors.green,
标签:'Post',
提交:(){
打印(“提交”);
},
平台:['android','ios'],
),
),
),
],
),
),
),
);
工作演示
完整代码
import 'package:flutter/material.dart';
import 'package:keyboard_overlay/keyboard_overlay.dart';
import 'dart:ui' as ui;
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage>
with HandleFocusNodesOverlayMixin {
FocusNodeOverlay _focusNodeOverlay;
@override
void initState() {
_focusNodeOverlay = GetFocusNodeOverlay(
child: TopKeyboardUtil(
Container(
color: Colors.white,
height: 45,
width: MediaQueryData.fromWindow(ui.window).size.width,
child: Row(
children: [
GestureDetector(
child: Icon(Icons.save),
onTap: () => print("click"),
),
GestureDetector(
child: Icon(Icons.computer),
onTap: () => print("click"),
),
GestureDetector(
child: Icon(Icons.home),
onTap: () => print("click"),
),
Spacer(),
Container(
width: 60,
child: Center(
child: DoneButtonIos(
backgroundColor: Colors.white,
textColor: Colors.green,
label: 'Post',
onSubmitted: () {
print("submit");
},
platforms: ['android', 'ios'],
),
),
),
],
),
),
),
);
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
TextField(
focusNode: _focusNodeOverlay,
style: TextStyle(color: Colors.grey),
decoration: InputDecoration(
labelText: 'Type Something',
labelStyle: TextStyle(color: Colors.black),
fillColor: Colors.orange,
hintStyle: TextStyle(
color: Colors.grey,
),
enabledBorder: UnderlineInputBorder(
borderSide: BorderSide(color: Colors.black, width: 1.0),
),
),
),
],
),
),
);
}
}
导入“包装:颤振/材料.省道”;
导入“package:keyboard_overlay/keyboard_overlay.dart”;
将“dart:ui”导入为ui;
void main(){
runApp(MyApp());
}
类MyApp扩展了无状态小部件{
@凌驾
小部件构建(构建上下文){
返回材料PP(
标题:“颤振演示”,
主题:主题数据(
主样本:颜色。蓝色,
),
主页:MyHomePage(标题:“颤振演示主页”),
);
}
}
类MyHomePage扩展StatefulWidget{
MyHomePage({Key,this.title}):超级(Key:Key);
最后的字符串标题;
@凌驾
_MyHomePageState createState()=>\u MyHomePageState();
}
类_MyHomePageState扩展状态
用手扶眼睑结缔组织{
FocusNodeOverlay\u FocusNodeOverlay;
@凌驾
void initState(){
_focusNodeOverlay=GetFocusNodeOverlay(
孩子:TopKeyboardUtil(
容器(
颜色:颜色,白色,
身高:45,
宽度:MediaQueryData.fromWindow(ui.window).size.width,
孩子:排(
儿童:[
手势检测器(
子:图标(Icons.save),
onTap:()=>打印(“单击”),
),
手势检测器(
子:图标(Icons.computer),
onTap:()=>打印(“单击”),
),
手势检测器(
子:图标(Icons.home),
onTap:()=>打印(“单击”),
),
垫片(),
容器(
宽度:60,
儿童:中心(
孩子:DoneButtonIos(
背景颜色:Colors.white,
textColor:Colors.green,
标签:'Post',
提交:(){
打印(“提交”);
},
平台:['android','ios'],
),
),
),
],
),
),
),
);
super.initState();
}
@凌驾
小部件构建(构建上下文){
返回脚手架(
appBar:appBar(
标题:文本(widget.title),
),
正文:中(
子:列(
mainAxisAlignment:mainAxisAlignment.center,
儿童:[
文本字段(
focusNode:_focusNodeOverlay,
样式:TextStyle(颜色:Colors.grey),
装饰:输入装饰(
labelText:“键入某物”,
标签样式:文本样式(颜色:Colors.black),
fillColor:Colors.orange,
hintStyle:TextStyle(
颜色:颜色。灰色,
),
enabledBorder:UnderlineInputBorder(
borderSide:borderSide(颜色:Colors.black,宽度:1.0),
),
),
),
],
),
),
);
}
}
您可以复制粘贴运行下面的完整代码
请参见下面的工作演示
您可以使用软件包
步骤1:将与HandleFocusnodesOverlyMixin一起使用
步骤2:对focusNode
使用FocusNodeOverlay
步骤3:使用GetFocusNodeOverlay
并设置\u focusNodeOverlay=GetFocusNodeOverlay(
第4步:TextField
使用TextField(focusNode:\u focusNodeOverlay,
代码片段
class _MyHomePageState extends State<MyHomePage>
with HandleFocusNodesOverlayMixin {
FocusNodeOverlay _focusNodeOverlay;
@override
void initState() {
_focusNodeOverlay = GetFocusNodeOverlay(
child: TopKeyboardUtil(
Container(
color: Colors.white,
height: 45,
width: MediaQueryData.fromWindow(ui.window).size.width,
child: Row(
children: [
GestureDetector(
child: Icon(Icons.save),
onTap: () => print("click"),
),
...
Spacer(),
Container(
width: 60,
child: Center(
child: DoneButtonIos(
backgroundColor: Colors.white,
textColor: Colors.green,
label: 'Post',
onSubmitted: () {
print("submit");
},
platforms: ['android', 'ios'],
),
),
),
],
),
),
),
);
class\u MyHomePageState扩展状态
用手扶眼睑结缔组织{
FocusNodeOverlay\u FocusNodeOverlay;
@凌驾
void initState(){
_focusNodeOverlay=GetF