forked from lxm_flutter/FlutterUnit
60 lines
1.5 KiB
Dart
60 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-04-19
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/// contact me by email 1981462002@qq.com
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/// 说明:
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// {
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// "widgetId": 75,
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// "name": 'Baseline基本使用',
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// "priority": 1,
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// "subtitle":
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// "【child】 : 孩子组件 【Widget】\n"
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// "【baseline】 : 基线位置 【double】\n"
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// "【baselineType】 : 基线类型 【TextBaseline】",
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// }
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class CustomBaseline extends StatefulWidget {
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const CustomBaseline({Key? key}) : super(key: key);
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@override
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_CustomBaselineState createState() => _CustomBaselineState();
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}
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class _CustomBaselineState extends State<CustomBaseline> {
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double _baseline=20;
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@override
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Widget build(BuildContext context) {
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Widget childBox = const Text(
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'你好,Flutter',
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style: TextStyle(fontSize: 20, fontFamily: "Menlo"),
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);
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Widget baseline = Baseline(
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child: childBox,
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baseline: _baseline,
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baselineType: TextBaseline.alphabetic);
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return Column(
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children: <Widget>[
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_buildSlider(),
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Container(
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width: 100/0.618,
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height: 100,
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color: Colors.grey.withAlpha(22),
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child: baseline,
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),
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],
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);
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}
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Widget _buildSlider() => Slider(
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divisions: 20,
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min: 0,
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max: 60,
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label: _baseline.toString(),
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value: _baseline,
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onChanged: (v) => setState(() => _baseline = v),
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);
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}
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