AnnualTaskView(
  taskItem	// List<AnnualTaskItem>
),

import 'package:flutter_annual_task/flutter_annual_task.dart';

AnnualTaskView(
  taskItem	// List<AnnualTaskItem>
),

class AnnualTaskItem {
  final DateTime date;
  final double proceeding;	// 0.0 ~ 1.0

  AnnualTaskItem(this.date, [this.proceeding = 1.0]);
  ...
}

class AnnualTaskColorItem extends AnnualTaskItem {
  final Color color;

  AnnualTaskColorItem(
    DateTime date, {
    double proceeding = 1.0,
    this.color,
  }) : super(date, proceeding);
  ...
}

//AnnualTaskItem
<your_item_list>.map(
  (item) => AnnualTaskItem(
    item.date,
    0.5,
  ),
)
.toList();

//AnnualTaskColorItem
<your_item_list>.map(
  (item) => AnnualTaskColorItem(
    item.date,
    color: <color_for_each_item>
  ),
)
.toList();

AnnualTaskView(
  taskItem, // List<AnnualTaskItem>
  cellShape: AnnualTaskCellShape.SQUARE,
)

AnnualTaskView(
  taskItem, // List<AnnualTaskItem>
  cellShape: AnnualTaskCellShape.CIRCLE,
)

AnnualTaskView(
  taskItemWithColor, // List<AnnualTaskColorItem>
)

AnnualTaskView(
  taskItem, // List<AnnualTaskItem>
  showMonthLabel: false, //default : true
  showWeekDayLabel: false, //default : true
)

AnnualTaskView(
  taskItem, // List<AnnualTaskItem>
  weekDayLabels: ['', 'Mon', '', 'Wed', '', 'Fri', ''],
  monthLabels: ['1','2','3','4','5','6','7','8','9','10','11','12'],
)

AnnualTaskView(
  taskItem, // List<AnnualTaskItem>
  labelStyle: TextStyle(
    color: Colors.blueGrey,
    fontSize: 10,
    fontWeight: FontWeight.bold,
  ),	// default label style : TextStyle(fontSize: 8)
)