Flutter日程管理插件calendar_agenda的使用
Flutter日程管理插件calendar_agenda的使用
介绍
calendar_agenda
是一个带有多种可定制样式的日程管理小部件。
安装
-
依赖安装 在
pubspec.yaml
文件中添加依赖:dependencies: flutter: sdk: flutter calendar_agenda: <version>
-
安装包 运行以下命令以安装包:
flutter pub get
-
导入库 在你的项目中导入库:
import 'package:calendar_agenda/calendar_agenda.dart';
样式示例
选中日期位置
- 中心
- 左边
- 右边
日历滚动方向
- 垂直滚动
- 水平滚动
示例代码
下面是一个完整的示例代码,展示如何在 Flutter 应用中使用 calendar_agenda
插件。
import 'dart:math';
import 'package:calendar_agenda/calendar_agenda.dart';
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: ExamplePage(),
);
}
}
class ExamplePage extends StatefulWidget {
const ExamplePage({Key? key}) : super(key: key);
[@override](/user/override)
_ExamplePageState createState() => _ExamplePageState();
}
class _ExamplePageState extends State<ExamplePage> {
CalendarAgendaController _calendarAgendaControllerAppBar = CalendarAgendaController();
CalendarAgendaController _calendarAgendaControllerNotAppBar = CalendarAgendaController();
late DateTime _selectedDateAppBBar;
late DateTime _selectedDateNotAppBBar;
Random random = new Random();
[@override](/user/override)
void initState() {
super.initState();
_selectedDateAppBBar = DateTime.now();
_selectedDateNotAppBBar = DateTime.now();
}
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Calendar Agenda Example'),
),
body: SingleChildScrollView(
child: Column(
children: [
CalendarAgenda(
controller: _calendarAgendaControllerAppBar,
appbar: true,
selectedDayPosition: SelectedDayPosition.right,
leading: IconButton(
icon: Icon(Icons.arrow_back_ios_new, color: Colors.white),
onPressed: () {},
),
weekDay: WeekDay.long,
fullCalendarScroll: FullCalendarScroll.horizontal,
fullCalendarDay: WeekDay.long,
selectedDateColor: Colors.green.shade900,
locale: 'id',
initialDate: DateTime.now(),
calendarEventColor: Colors.green,
firstDate: DateTime.now().subtract(Duration(days: 140)),
lastDate: DateTime.now().add(Duration(days: 60)),
events: List.generate(
100,
(index) => DateTime.now().subtract(Duration(days: index * random.nextInt(5))),
),
onDateSelected: (date) {
setState(() {
_selectedDateAppBBar = date;
});
},
calendarLogo: Image.network(
'https://www.kindpng.com/picc/m/355-3557482_flutter-logo-png-transparent-png.png',
scale: 5.0,
),
selectedDayLogo: NetworkImage(
'https://www.kindpng.com/picc/m/355-3557482_flutter-logo-png-transparent-png.png',
scale: 15.0,
),
),
ElevatedButton(
onPressed: () {
_calendarAgendaControllerAppBar.goToDay(DateTime.now());
},
child: Text("Today, appbar = true"),
),
Text('Selected date is $_selectedDateAppBBar'),
SizedBox(height: 20.0),
CalendarAgenda(
controller: _calendarAgendaControllerNotAppBar,
leading: SizedBox(
width: MediaQuery.of(context).size.width * 0.3,
child: Text(
"Agenda anda hari ini adalah sebagai berikut",
style: TextStyle(color: Colors.white),
overflow: TextOverflow.ellipsis,
),
),
// fullCalendar: false,
locale: 'en',
weekDay: WeekDay.long,
fullCalendarDay: WeekDay.short,
selectedDateColor: Colors.blue.shade900,
initialDate: DateTime.now(),
firstDate: DateTime.now().subtract(Duration(days: 140)),
lastDate: DateTime.now().add(Duration(days: 4)),
events: List.generate(
100,
(index) => DateTime.now().subtract(Duration(days: index * random.nextInt(5))),
),
onDateSelected: (date) {
setState(() {
_selectedDateNotAppBBar = date;
});
},
calendarLogo: Image.network(
'https://www.kindpng.com/picc/m/355-3557482_flutter-logo-png-transparent-png.png',
scale: 5.0,
),
),
ElevatedButton(
onPressed: () {
_calendarAgendaControllerNotAppBar.goToDay(DateTime.now());
},
child: Text("Today, appbar = false (default value)"),
),
Text('Selected date is $_selectedDateNotAppBBar'),
SizedBox(height: 20.0),
],
),
),
);
}
}
更多关于Flutter日程管理插件calendar_agenda的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html
更多关于Flutter日程管理插件calendar_agenda的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
在Flutter中,calendar_agenda
是一个用于显示和管理日程的插件。该插件提供了一个可滚动的日历视图,用户可以在其中查看和选择日期,并与日程安排进行交互。以下是如何在Flutter项目中使用 calendar_agenda
插件的步骤:
1. 添加依赖
首先,在你的 pubspec.yaml
文件中添加 calendar_agenda
插件的依赖:
dependencies:
flutter:
sdk: flutter
calendar_agenda: ^0.2.0
然后运行 flutter pub get
来安装依赖。
2. 导入包
在你的 Dart 文件中导入 calendar_agenda
包:
import 'package:calendar_agenda/calendar_agenda.dart';
3. 使用 CalendarAgenda 组件
在 CalendarAgenda
组件中,你可以设置初始日期、选择日期时的回调函数以及其他自定义选项。
class ScheduleScreen extends StatefulWidget {
[@override](/user/override)
_ScheduleScreenState createState() => _ScheduleScreenState();
}
class _ScheduleScreenState extends State<ScheduleScreen> {
CalendarAgendaController _calendarAgendaControllerAppBar =
CalendarAgendaController();
DateTime _selectedDate = DateTime.now();
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Calendar Agenda'),
),
body: Column(
children: [
CalendarAgenda(
controller: _calendarAgendaControllerAppBar,
appbar: false,
selectedDayPosition: SelectedDayPosition.center,
leading: IconButton(
icon: Icon(Icons.arrow_back_ios),
onPressed: () {},
),
trailing: IconButton(
icon: Icon(Icons.arrow_forward_ios),
onPressed: () {},
),
weekDay: WeekDay.short,
initialDate: DateTime.now(),
firstDate: DateTime.now().subtract(Duration(days: 140)),
lastDate: DateTime.now().add(Duration(days: 60)),
onDateSelected: (date) {
setState(() {
_selectedDate = date;
});
},
calendarStyle: CalendarStyle(
selectedColor: Colors.blue,
),
calendarEventColor: Colors.red,
backgroundColor: Colors.white,
fullCalendar: false,
),
Expanded(
child: Center(
child: Text(
'Selected Date: ${_selectedDate.toString()}',
style: TextStyle(fontSize: 20),
),
),
),
],
),
);
}
}
4. 运行项目
运行你的 Flutter 项目,你将看到一个带有可滚动日历的界面。用户可以选择日期,并在 onDateSelected
回调中处理选中的日期。
5. 自定义选项
CalendarAgenda
提供了许多自定义选项,例如:
appbar
: 是否显示 AppBar。selectedDayPosition
: 选中日期的位置。leading
和trailing
: 添加前导和尾部按钮。weekDay
: 星期的显示格式。initialDate
: 初始日期。firstDate
和lastDate
: 可选择的日期范围。calendarStyle
: 自定义日历的样式。calendarEventColor
: 日历事件的显示颜色。backgroundColor
: 背景颜色。fullCalendar
: 是否展开完整的日历。
6. 处理日期选择
在 onDateSelected
回调中,你可以处理用户选择的日期,并更新 UI 或执行其他操作。
onDateSelected: (date) {
setState(() {
_selectedDate = date;
});
// 执行其他操作,例如加载该日期的日程安排
},
7. 控制日历
你可以使用 CalendarAgendaController
来控制日历的行为,例如滚动到特定日期。
_calendarAgendaControllerAppBar.setSelectedDate(DateTime(2023, 10, 15));
8. 处理事件标记
你可以通过 CalendarEvent
类来标记特定日期的事件,并在日历中显示。
CalendarEvent event = CalendarEvent(date: DateTime(2023, 10, 15), eventTitle: 'Meeting');
CalendarAgenda(
events: [event],
// 其他属性
);
9. 自定义事件显示
你可以在 CalendarAgenda
中使用 eventBuilder
自定义事件的显示方式。
eventBuilder: (date, events) {
return Center(
child: Text(
events.isNotEmpty ? events.first.eventTitle : '',
style: TextStyle(color: Colors.white),
),
);
},
10. 完整的示例
以下是一个完整的示例,展示了如何使用 calendar_agenda
插件:
import 'package:flutter/material.dart';
import 'package:calendar_agenda/calendar_agenda.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
[@override](/user/override)
Widget build(BuildContext context) {
return MaterialApp(
title: 'Calendar Agenda Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: ScheduleScreen(),
);
}
}
class ScheduleScreen extends StatefulWidget {
[@override](/user/override)
_ScheduleScreenState createState() => _ScheduleScreenState();
}
class _ScheduleScreenState extends State<ScheduleScreen> {
CalendarAgendaController _calendarAgendaControllerAppBar =
CalendarAgendaController();
DateTime _selectedDate = DateTime.now();
[@override](/user/override)
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Calendar Agenda'),
),
body: Column(
children: [
CalendarAgenda(
controller: _calendarAgendaControllerAppBar,
appbar: false,
selectedDayPosition: SelectedDayPosition.center,
leading: IconButton(
icon: Icon(Icons.arrow_back_ios),
onPressed: () {},
),
trailing: IconButton(
icon: Icon(Icons.arrow_forward_ios),
onPressed: () {},
),
weekDay: WeekDay.short,
initialDate: DateTime.now(),
firstDate: DateTime.now().subtract(Duration(days: 140)),
lastDate: DateTime.now().add(Duration(days: 60)),
onDateSelected: (date) {
setState(() {
_selectedDate = date;
});
},
calendarStyle: CalendarStyle(
selectedColor: Colors.blue,
),
calendarEventColor: Colors.red,
backgroundColor: Colors.white,
fullCalendar: false,
),
Expanded(
child: Center(
child: Text(
'Selected Date: ${_selectedDate.toString()}',
style: TextStyle(fontSize: 20),
),
),
),
],
),
);
}
}