Flutter笔记（9）flutter中baseline基准线布局，2024年最新flutter蓝牙通信

• baseline基准线位置，是以像素为基本的单位

• baselineType 定位child的基准线类型，分为两种：alphabetic对齐字符底部的水平线，ideographic对齐表意字符的水平线

baseline示例代码

---

import ‘package:flutter/material.dart’;

void main() {

runApp(new MaterialApp(

title: ‘baseline使用示例’,

home: new BaselineUse(),

));

}

class BaselineUse extends StatelessWidget {

@override

Widget build(BuildContext context) {

// TODO: implement build

return new Scaffold(

appBar: new AppBar(

title: new Text(‘Baseline基准线示例布局’),

),

body: new Row(

mainAxisAlignment: MainAxisAlignment.spaceBetween,

children: [

new Baseline(

baseline: 80.0,

baselineType: TextBaseline.alphabetic,

child: new Text(

‘AaBbCc’,

style: new TextStyle(

fontSize: 18.0,

textBaseline: TextBaseline.alphabet