A simple TODO with countdown timer, and also a experimental application with Android Jetpack.
一款简洁的结合倒计时钟特性的Todo工具，并且是一个使用Android Jetpack的实验性应用。
- Support for classifying events.
- 4x2 sorting options.
- Two event modes (normal/durable events).
- 4 status (onging/gone/wait/done), countdown and progress help you to figure out the status of current events.
- Simple UI.
- Quick View card can give an simple data to help you understand the events of the day quicky.
- 支持对事件进行分类。
- 提供4x2种排序方法。
- 提供两种事件模式（普通/持续事件）。
- 4种时间状态（进行/过去/等待/完成），倒计时及进度显示，让你更加清晰地了解当前事件状态。
- 简约的交互界面。
- 概览卡片能让你迅速了解当日事项及全部事件状态。
- Data Binding - Declaratively bind observable data to UI elements.
- Lifecycles - Create a UI that automatically responds to lifecycle events.
- LiveData - Build data objects that notify views when the underlying database changes.
- Navigation - Handle everything needed for in-app navigation.
- Room - Access your app's SQLite database with in-app objects and compile-time checks.
- ViewModel - Store UI-related data that isn't destroyed on app rotations. Easily schedule asynchronous tasks for optimal execution.