Android Jetpack
Jetpack is a set of libraries, tools and architectural guidance to help make it quick and easy to build great Android apps. It provides common infrastructure code so you can focus on what makes your app unique.
Jetpack是一套库，工具和架构指南，可帮助您快速轻松地构建出色的Android应用程序。 它提供了通用的基础架构代码，使您可以专注于您的应用开发。
Android Jetpack Components
Android Jetpack components are a collection of libraries that are individually adoptable and built to work together while taking advantage of Kotlin language features that make you more productive. Use them all or mix and match!
Android Jetpack组件是一组可以单独采用的库，同时这些库还可以利用Kotlin语言的功能优势，共同构建提高工作效率。 您可以全部使用或混合搭配！