柚子快報激活碼778899分享：Flutter - 折疊面板
demo 地址: https://github.com/iotjin/jh_flutter_demo 代碼不定時更新，請前往github查看最新代碼
flutter 自定義折疊組件
支持三種類型和兩種展示效果可自定義title和被折疊的內(nèi)容
效果圖
示例
import 'package:flutter/material.dart';
import '/jh_common/widgets/jh_collapse_view.dart';
import '/project/configs/project_config.dart';
class CollapseViewTestPage extends StatefulWidget {
const CollapseViewTestPage({Key? key}) : super(key: key);
@override
State
}
class _CollapseViewTestPageState extends State
var _isFold = false;
var _isFold2 = false;
var _isFold3 = false;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const BaseAppBar('JhCollapseView'),
body: _body(),
backgroundColor: KColors.dynamicColor(context, KColors.wxBgColor, KColors.kBgDarkColor),
);
}
_body() {
return ListView(children: [
Column(children: [
JhCollapseView(title: '標題', content: _testView()),
JhCollapseView(
title: '這是很長很長很長長很長很長很長很長很長很長很長很長很長很長的標題',
titleStyle: TextStyle(color: Colors.white, fontSize: 13),
arrowColor: Colors.white,
headerColor: Color(0xFFA2BFEE),
content: _testView(),
),
JhCollapseView(
titleWidget: _titleW(),
titleCrossAxisAlignment: CrossAxisAlignment.start,
arrowColor: Colors.white,
headerColor: Color(0xFFA2BFEE),
content: _testView(),
),
JhCollapseView(
titleWidget: _titleW2(),
headerColor: Colors.white,
content: _testView(),
),
TextButton(
child: Text('點擊更新折疊狀態(tài)'),
onPressed: () {
setState(() {
_isFold = !_isFold;
});
},
),
JhCollapseView(
isFold: _isFold,
title: 'isFold更新',
content: _testView(),
onChange: (isFold) {
print('isFold:$isFold');
setState(() {
_isFold = isFold;
});
},
),
JhCollapseView(
title: 'card樣式',
collapseStyle: JhCollapseStyle.card,
content: _testView(),
),
JhCollapseView(
title: '標題',
collapseStyle: JhCollapseStyle.card,
content: Container(
child: Column(
children: [
separator(),
_testView(),
],
),
),
),
JhCollapseView(
isFold: true,
collapseStyle: JhCollapseStyle.card,
// headerPadding: EdgeInsets.all(0),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(3),
boxShadow: [BoxShadow(color: Colours.red, spreadRadius: 1.5, blurRadius: 1.5)],
),
titleWidget: _titleW2(),
content: _testView(),
),
Container(
margin: EdgeInsets.symmetric(horizontal: 10, vertical: 8),
decoration: KStyles.cellBorderStyle,
child: JhCollapseView(
padding: EdgeInsets.all(0),
margin: EdgeInsets.all(0),
title: '標題',
titleStyle: TextStyle(color: Colors.white),
arrowColor: Colors.white,
headerColor: Color(0xFFA2BFEE),
content: Container(
child: ListView.builder(
shrinkWrap: true,
physics: NeverScrollableScrollPhysics(),
itemCount: 2,
itemBuilder: (BuildContext context, int index) {
return Container(
color: Colors.yellow,
child: ListTile(
title: Text('title$index'),
subtitle: Text('subtitle$index'),
),
);
},
),
),
),
),
JhCollapseView(
title: '居中箭頭card樣式',
isFold: true,
collapseType: JhCollapseType.centerArrow,
collapseStyle: JhCollapseStyle.card,
titleWidget: _titleW2(),
content: _testView(),
),
JhCollapseView(
title: '居中箭頭flat樣式',
isFold: true,
collapseType: JhCollapseType.centerArrow,
collapseStyle: JhCollapseStyle.flat,
titleWidget: _titleW2(),
content: _testView(),
),
JhCollapseView(
isFold: _isFold2,
title: _isFold2 ? '查看更多' : '收起',
collapseType: JhCollapseType.seeMore,
titleWidget: _titleW2(),
content: _testView(),
onChange: (isFold) {
print('isFold2:$isFold');
setState(() {
_isFold2 = isFold;
});
},
),
JhCollapseView(
isFold: _isFold3,
title: _isFold3 ? '查看更多' : '收起',
collapseType: JhCollapseType.seeMore,
collapseStyle: JhCollapseStyle.card,
hiddenDivider: true,
titleWidget: _titleW2(),
content: _testView(),
onChange: (isFold) {
print('isFold3:$isFold');
setState(() {
_isFold3 = isFold;
});
},
),
])
]);
}
_testView() {
return Container(color: Colors.yellow, height: 100);
}
_titleW() {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Row(
// crossAxisAlignment: CrossAxisAlignment.start,
children: [
Flexible(child: Text('1212222222222222222222222222222222222222222')),
SizedBox(width: 10),
Container(
padding: EdgeInsets.symmetric(horizontal: 4, vertical: 2),
color: Colors.red,
child: Text('自定義title', style: TextStyle(color: Colors.white, fontSize: 12)),
),
],
),
),
// Icon(Icons.arrow_drop_down),
],
);
}
_titleW2() {
return Container(
child: Column(
children: [
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Name:', style: KStyles.textBold15),
SizedBox(width: 5),
Expanded(child: Text('custom title widget')),
],
),
SizedBox(height: 8),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Code:', style: KStyles.textBold15),
SizedBox(width: 5),
Expanded(child: Text('123')),
],
),
SizedBox(height: 8),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('test:', style: KStyles.textBold15),
SizedBox(width: 5),
Expanded(child: Text('1212222222222222222222222222222222222222222')),
],
),
],
),
);
}
}
柚子快報激活碼778899分享：Flutter - 折疊面板
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