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README
Apache-2.0

健康生活应用(ArkTS)

简介

利用ArkTS声明式开发范式和HarmonyOS的关系型数据库等能力,实现了一个健康生活应用。

相关概念

  • AppStorage:应用程序中的单例对象,为应用程序范围内的可变状态属性提供中央存储。
  • @Observed和@ObjectLink:@Observed适用于类,表示类中的数据变化由UI页面管理;@ObjectLink应用于被@Observed装饰类的对象。
  • @Provide和@Consume:@Provide作为数据提供者,可以更新子节点的数据,触发页面渲染。@Consume检测到@Provide数据更新后,会发起当前视图的重新渲染。
  • Flex:一个功能强大的容器组件,支持横向布局,竖向布局,子组件均分和流式换行布局。
  • List:List是很常用的滚动类容器组件之一,它按照水平或者竖直方向线性排列子组件, List的子组件必须是ListItem,它的宽度默认充满List的宽度。
  • TimePicker:TimePicker是选择时间的滑动选择器组件,默认以00:00至23:59的时间区创建滑动选择器。
  • Toggle: 组件提供勾选框样式、状态按钮样式及开关样式。
  • 关系型数据库:一种基于关系模型来管理数据的数据库。
  • 首选项:首选项为应用提供Key-Value键值型的数据处理能力,支持应用持久化轻量级数据,并对其修改和查询。
  • 后台代理提醒:后台代理提醒功能主要提供后台提醒通知发布接口,开发者可调用这些接口创建定时提醒,包括倒计时、日历、闹钟三种提醒类型。
  • ArkTS卡片:卡片框架的运作机制分三大模块:卡片使用方、卡片管理服务和卡片提供方。
    • 卡片使用方:负责卡片的创建、删除、请求更新以及卡片服务通信。
    • 卡片管理服务:负责卡片的周期性刷新、卡片缓存管理、卡片生命周期管理以及卡片使用对象管理。
    • 卡片提供方:提供卡片显示内容的应用,控制卡片的显示内容、控件布局以及控件点击事件。

相关权限

本篇Codelab用到了任务提醒功能,需要在配置文件module.json5里添加后台代理提醒权限:ohos.permission.PUBLISH_AGENT_REMINDER。

使用说明

  1. 用户可以创建最多6个健康生活任务(早起,喝水,吃苹果,每日微笑,刷牙,早睡),并设置任务目标、是否开启提醒、提醒时间、每周任务频率。
  2. 用户可以在主页面对设置的健康生活任务进行打卡,其中早起、每日微笑、刷牙和早睡只需打卡一次即可完成任务,喝水、吃苹果需要根据任务目标量多次打卡完成。
  3. 主页可显示当天的健康生活任务完成进度,当天所有任务都打卡完成后,进度为100%,并且用户的连续打卡天数加一。
  4. 当用户连续打卡天数达到3、7、30、50、73、99天时,可以获得相应的成就。成就在获得时会以动画形式弹出,并可以在“成就”页面查看。
  5. 用户可以查看以前的健康生活任务完成情况。
  6. 打开应用,显示主页面,点击加号添加任务,添加完任务后,任务列表显示所有添加的任务。
  7. 应用退出到后台,长按应用,点击服务卡片,选择2x4卡片,添加到桌面,显示已添加任务。
  8. 应用退出到后台,长按应用,点击服务卡片,选择2x2卡片,添加到桌面,显示任务完成进度。
  9. 点击2x2或2x4元服务卡片,拉起主页面,看到任务列表。
  10. 在卡片配置文件中,设置卡片更新时间,更新时间到后,桌面上2x2或2x4卡片会重置第二天任务,需要重新添加。

约束与限制

  1. 本示例仅支持标准系统上运行,支持设备:华为手机或运行在DevEco Studio上的华为手机设备模拟器。
  2. 本示例为Stage模型,支持API version 9。
  3. 本示例需要使用DevEco Studio 3.1 Release版本进行编译运行。
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