Flutter模态对话框插件bs_flutter_modal的使用
Flutter模态对话框插件bs_flutter_modal的使用
介绍
bs_flutter_modal
是一个基于Flutter的Bootstrap风格的模态对话框插件,可以帮助你轻松地在应用中添加对话框,用于显示弹出窗口、用户通知或自定义内容。通过这个插件,你可以创建不同大小和样式的模态对话框,并且可以根据需要进行自定义。
开始使用
-
添加依赖
在你的
pubspec.yaml
文件中添加bs_flutter_modal
依赖:dependencies: ... bs_flutter_modal: any
-
导入必要的包
在你的 Dart 文件中导入
bs_flutter_modal
和其他相关包:import 'package:bs_flutter_buttons/bs_flutter_buttons.dart'; import 'package:bs_flutter_modal/bs_flutter_modal.dart'; import 'package:flutter/material.dart';
-
创建模态对话框
模态对话框可以通过
showDialog
方法来显示,因为BsModal
是一个Dialog
小部件。以下是一个完整的示例代码,展示了如何使用bs_flutter_modal
创建不同类型的模态对话框。
完整示例代码
import 'package:bs_flutter_buttons/bs_flutter_buttons.dart';
import 'package:bs_flutter_modal/bs_flutter_modal.dart';
import 'package:flutter/material.dart';
void main() {
runApp(MaterialApp(home: MyApp()));
}
class MyApp extends StatefulWidget {
[@override](/user/override)
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
// 初始化选择框控制器
BsSelectBoxController _select = BsSelectBoxController(multiple: true, options: [
BsSelectBoxOption(value: 1, text: Text('1')),
BsSelectBoxOption(value: 2, text: Text('2')),
BsSelectBoxOption(value: 3, text: Text('3')),
BsSelectBoxOption(value: 4, text: Text('4')),
BsSelectBoxOption(value: 5, text: Text('5')),
BsSelectBoxOption(value: 6, text: Text('6')),
]);
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Bootstrap Modal'),
),
body: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
// 小型模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Small Modal'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
size: BsModalSize.sm, // 设置为小型
child: BsModalContent(
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
onClose: () {
Navigator.pop(context); // 关闭对话框
},
),
BsModalContainer(
child: Column(children: [
BsSelectBox(
hintTextLabel: 'Pilih salah satu', // 提示文本
selectBoxController: _select, // 选择框控制器
)
]),
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
// 默认大小的模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Default Modal'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
child: BsModalContent(
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
),
BsModalContainer(
child: Column(children: [
Container(height: 1000), // 占位容器
Text('Content') // 内容
]),
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
// 大型模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Large Modal'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
size: BsModalSize.lg, // 设置为大型
child: BsModalContent(
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
),
BsModalContainer(
child: Column(children: [Text('Content')]), // 内容
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
// 超大型模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Extra Large Modal'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
size: BsModalSize.xl, // 设置为超大型
child: BsModalContent(
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
),
BsModalContainer(
child: Column(children: [Text('Content')]), // 内容
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
// 超超大型模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Extra extra Large Modal'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
size: BsModalSize.xxl, // 设置为超超大型
child: BsModalContent(
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
),
BsModalContainer(
child: Column(children: [Text('Content')]), // 内容
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
// 居中小型无圆角模态对话框
BsButton(
style: BsButtonStyle.primary,
margin: EdgeInsets.only(right: 5.0, bottom: 10.0),
label: Text('Centered Small Modal with No Radius'),
onPressed: () => showDialog(
context: context,
builder: (context) => BsModal(
context: context,
dialog: BsModalDialog(
size: BsModalSize.sm, // 设置为小型
crossAxisAlignment: CrossAxisAlignment.center, // 居中对齐
child: BsModalContent(
decoration: BoxDecoration(
color: Colors.white, // 背景颜色
),
children: [
BsModalContainer(
title: Text('Content'), // 标题
closeButton: true, // 显示关闭按钮
),
BsModalContainer(
child: Column(children: [Text('Content')]), // 内容
),
BsModalContainer(
crossAxisAlignment: CrossAxisAlignment.end, // 右对齐
actions: [
BsButton(
style: BsButtonStyle.danger, // 危险样式按钮
label: Text('Close Modal'), // 按钮文本
prefixIcon: Icons.close, // 关闭图标
onPressed: () {
Navigator.pop(context); // 关闭对话框
},
)
],
)
],
),
),
),
),
),
],
),
),
),
);
}
}
更多关于Flutter模态对话框插件bs_flutter_modal的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
更多关于Flutter模态对话框插件bs_flutter_modal的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
当然,我可以为你提供一个关于如何使用bs_flutter_modal
插件的示例代码。bs_flutter_modal
是一个用于在Flutter应用中创建模态对话框的插件。以下是一个简单的示例,展示如何使用这个插件来显示一个模态对话框。
首先,确保你已经在pubspec.yaml
文件中添加了bs_flutter_modal
依赖:
dependencies:
flutter:
sdk: flutter
bs_flutter_modal: ^最新版本号 # 请替换为实际的最新版本号
然后,运行flutter pub get
来安装依赖。
接下来,在你的Flutter应用中,你可以按照以下方式使用bs_flutter_modal
来显示一个模态对话框:
import 'package:flutter/material.dart';
import 'package:bs_flutter_modal/bs_flutter_modal.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Modal Dialog Example',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final BSFlutterModal _modal = BSFlutterModal();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Flutter Modal Dialog Example'),
),
body: Center(
child: ElevatedButton(
onPressed: () {
_showModalDialog(context);
},
child: Text('Show Modal Dialog'),
),
),
);
}
void _showModalDialog(BuildContext context) {
_modal.showMaterialModalBottomSheet(
context: context,
builder: (context) {
return Container(
padding: EdgeInsets.all(16.0),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10.0),
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Text(
'This is a modal dialog!',
style: TextStyle(fontSize: 20),
),
SizedBox(height: 20),
ElevatedButton(
onPressed: () {
Navigator.of(context).pop();
},
child: Text('Close'),
),
],
),
);
},
);
}
}
在这个示例中,我们创建了一个简单的Flutter应用,其中包含一个按钮。当点击按钮时,将显示一个模态对话框。这个对话框是通过_modal.showMaterialModalBottomSheet
方法显示的,它接受一个context
和一个builder
函数作为参数。builder
函数返回一个Widget,这个Widget将作为模态对话框的内容。
请注意,bs_flutter_modal
插件可能提供了更多的功能和配置选项,你可以参考它的官方文档来获取更多信息。上面的示例仅展示了最基本的使用方式。