Flutter热力图日历插件flutter_heatmap_calendar的使用

Flutter Heatmap Calendar 是一个受 GitHub 贡献图表启发的日历插件，它提供了两种类型的热力图：传统的贡献图表HeatMap和日历版本的HeatMapCalendar。本文将详细介绍如何使用这个插件，并提供完整的示例代码。

开始使用

依赖安装

通过以下命令添加依赖：

flutter pub add flutter_heatmap_calendar

或者在pubspec.yaml中添加：

dependencies:
  flutter_heatmap_calendar: ^1.0.5

然后运行flutter pub get来安装依赖。

导入包

在Dart文件中导入包：

import 'package:flutter_heatmap_calendar/flutter_heatmap_calendar.dart';

属性说明

HeatMap

HeatMapCalendar

示例代码

HeatMap 示例

import 'package:flutter/material.dart';
import 'package:flutter_heatmap_calendar/flutter_heatmap_calendar.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('HeatMap Example')),
        body: Center(
          child: HeatMap(
            datasets: {
              DateTime(2021, 1, 6): 3,
              DateTime(2021, 1, 7): 7,
              DateTime(2021, 1, 8): 10,
              DateTime(2021, 1, 9): 13,
              DateTime(2021, 1, 13): 6,
            },
            colorMode: ColorMode.opacity,
            showText: false,
            scrollable: true,
            colorsets: {
              1: Colors.red,
              3: Colors.orange,
              5: Colors.yellow,
              7: Colors.green,
              9: Colors.blue,
              11: Colors.indigo,
              13: Colors.purple,
            },
            onClick: (value) {
              ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(value.toString())));
            },
          ),
        ),
      ),
    );
  }
}

HeatMapCalendar 示例

import 'package:flutter/material.dart';
import 'package:flutter_heatmap_calendar/flutter_heatmap_calendar.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: Text('HeatMapCalendar Example')),
        body: Center(
          child: HeatMapCalendar(
            defaultColor: Colors.white,
            flexible: true,
            colorMode: ColorMode.color,
            datasets: {
              DateTime(2021, 1, 6): 3,
              DateTime(2021, 1, 7): 7,
              DateTime(2021, 1, 8): 10,
              DateTime(2021, 1, 9): 13,
              DateTime(2021, 1, 13): 6,
            },
            colorsets: const {
              1: Colors.red,
              3: Colors.orange,
              5: Colors.yellow,
              7: Colors.green,
              9: Colors.blue,
              11: Colors.indigo,
              13: Colors.purple,
            },
            onClick: (value) {
              ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(value.toString())));
            },
          ),
        ),
      ),
    );
  }
}

以上是关于flutter_heatmap_calendar插件的详细使用方法及示例代码。希望对您有所帮助！如果您有任何问题或需要进一步的帮助，请随时提问。