calendar_builder

Description:

calendar builder

calendar_builder #
Fully customizable calendar package for flutter.
Also supports for disabling dates, highlighting dates and displaying events inside calendar.
Features #

Fully customisable widgets
Add Events
Highlight dates
Disable dates
Starting week can be changed
✅ MonthBuilder
[TODO] DayBuilder
[TODO] WeekBuilder




Month Builder
Customised Month Builder












Custom Month Builder
Month Builder with callbacks










Support Light and Dark theme #

Installation #
In your pubspec.yaml file within your Flutter Project:
dependencies:
calendar_builder: <latest_version>
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How to use #
import 'package:calendar_builder/calendar_builder.dart';
import 'package:flutter/material.dart';

class MonthBuilderScreen extends StatelessWidget {
const MonthBuilderScreen({Key? key}) : super(key: key);

@override
Widget build(BuildContext context) {
return Scaffold(
body: SafeArea(
child: Column(
children: [
Expanded(
child: CbMonthBuilder(
cbConfig: CbConfig(
startDate: DateTime(2020),
endDate: DateTime(2026),
selectedDate: DateTime(2021,3,4),
selectedYear: DateTime(2021),
),
),
)
],
),
),
);
}
}

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Demo #

Customised Month Builder #

Output #


code #

CbMonthBuilder(
cbConfig: CbConfig(
startDate: DateTime(2020),
endDate: DateTime(2123),
selectedDate: DateTime(2022, 3, 4),
selectedYear: DateTime(2022),
weekStartsFrom: WeekStartsFrom.wednesday,
disabledDates: [
DateTime(2022, 1, 7),
DateTime(2022, 1, 9),
],
eventDates: [
DateTime(2022, 1, 2),
DateTime(2022, 1, 2),
DateTime(2022, 1, 3)
],
highlightedDates: [
DateTime(2022, 1, 6),
DateTime(2022, 1, 3)
]),
monthCustomizer: MonthCustomizer(
padding: const EdgeInsets.all(20),
monthHeaderCustomizer: MonthHeaderCustomizer(
textStyle: const TextStyle(
color: Colors.red,
fontSize: 22,
fontWeight: FontWeight.bold,
),
),
monthButtonCustomizer: MonthButtonCustomizer(
currentDayColor: Colors.orange,
borderStrokeWidth: 2,
textStyleOnDisabled: const TextStyle(color: Colors.red),
highlightedColor: const Color.fromARGB(255, 255, 174, 0)),
monthWeekCustomizer: MonthWeekCustomizer(
textStyle:
const TextStyle(color: Color.fromARGB(255, 255, 174, 0)))
// monthWidth: 500,
// monthHeight: 200
),
yearDropDownCustomizer: YearDropDownCustomizer(
yearButtonCustomizer: YearButtonCustomizer(
borderColorOnSelected: Colors.red,
),
yearHeaderCustomizer: YearHeaderCustomizer(
titleTextStyle:
const TextStyle(color: Color.fromARGB(255, 255, 174, 0)))),
onYearHeaderExpanded: (isExpanded) {
print('isExpanded ' + isExpanded.toString());
},
onDateClicked: (onDateClicked) {
print('selected date' +
onDateClicked.selectedDate.toString() +
'\n' +
'isSelected ' +
onDateClicked.isSelected.toString() +
'\n' +
'isHighlighted ' +
onDateClicked.isHighlighted.toString() +
'\n' +
'hasEvent ' +
onDateClicked.hasEvent.toString() +
'\n' +
'isCurrentDate ' +
onDateClicked.isCurrentDate.toString() +
'\n' +
'isDisabled ' +
onDateClicked.isDisabled.toString());
},
onYearButtonClicked: (year, isSelected) {
print('selected year ' +
year.toString() +
'\n' +
'isSelected ' +
isSelected.toString());
},
)
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Custom Month Builder #

Output #


code #


CbMonthBuilder(
cbConfig: CbConfig(
startDate: DateTime(2020),
endDate: DateTime(2123),
selectedDate: DateTime(2022),
selectedYear: DateTime(2022),
weekStartsFrom: WeekStartsFrom.sunday,
eventDates: [
DateTime(2022, 1, 2),
DateTime(2022, 1, 2),
DateTime(2022, 1, 3)
],
highlightedDates: [
DateTime(2022, 1, 6),
DateTime(2022, 1, 3)
]),
yearDropDownCustomizer: YearDropDownCustomizer(
yearHeaderBuilder:
(isYearPickerExpanded, selectedDate, selectedYear, year) {
return Container(
height: 40,
color: Colors.yellow,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Text(
year,
style: const TextStyle(fontWeight: FontWeight.bold),
),
Icon(!isYearPickerExpanded
? Icons.arrow_drop_down_outlined
: Icons.arrow_drop_up_outlined)
],
),
);
},
),
monthCustomizer: MonthCustomizer(
montMinhHeight: 200,
monthMinWidth: 450,
padding: const EdgeInsets.all(20),
monthHeaderBuilder: (month, headerHeight, headerWidth, paddingLeft) {
return Container(
color: Colors.grey[200],
height: headerHeight,
width: headerWidth,
child: Padding(
padding: EdgeInsets.only(left: paddingLeft),
child: Align(
alignment: Alignment.center,
child: Text(
month,
style: const TextStyle(
fontSize: 22,
fontWeight: FontWeight.w600,
),
),
),
),
);
},
monthWeekBuilder: (index, weeks, weekHeight, weekWidth) {
return SizedBox(
height: weekHeight,
width: weekWidth,
child: Padding(
padding: const EdgeInsets.all(4.0),
child: Container(
decoration: BoxDecoration(
color: Colors.red.withOpacity(0.1),
borderRadius: BorderRadius.circular(10),
border: Border.all(color: Colors.red)),
child: Align(
child: Text(
weeks,
style: const TextStyle(
fontSize: 14,
color: Colors.red,
fontWeight: FontWeight.w500,
),
overflow: TextOverflow.ellipsis,
maxLines: 1,
),
),
),
),
);
},
monthButtonBuilder: (dateTime, childHeight, childWidth, isSelected,
isDisabled, hasEvent, isHighlighted, isCurrentDay) {
//Text Theme
final txtTheme = Theme.of(context).textTheme;
//color theme
final colorTheme = Theme.of(context);

var daysText = Align(
child: Text(
'${dateTime.day}',
style: isDisabled
? txtTheme.caption
: isSelected
? txtTheme.bodyText1!.copyWith(
fontWeight: FontWeight.bold,
color: colorTheme.brightness == Brightness.dark
? Colors.black
: Colors.white)
: isHighlighted
? txtTheme.bodyText2 //Highlighted TextStyle
: isCurrentDay
? txtTheme.bodyText2 //CurrentDay TextStyle
: txtTheme.bodyText2,
),
);
if (isSelected) {
return Container(
decoration: const BoxDecoration(
color: Colors.red,
shape: BoxShape.rectangle,
),
margin: const EdgeInsets.all(2),
child: daysText,
);
}
return Container(
decoration: BoxDecoration(
color: isDisabled ? Colors.grey[200] : Colors.yellow,
shape: BoxShape.rectangle,
border: hasEvent || isHighlighted
? Border.all(
color: isHighlighted ? Colors.red : Colors.blue,
width: 2)
: null),
margin: const EdgeInsets.all(2),
child: daysText,
);
},
),
)

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