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Jetpack wraps webpack to create a smoother development experience. You can use Jetpack instead of webpack,webpack-cli,webpack-dev-server and webpack-dev-middleware without having to write any configuration. Jetpack is a lightweight wrapper for webpack and can be extended with any webpack configuration.

What is Jetpack?

Introduction to 1.Jetpack

In 2018, Google Android O released a series of utilities to assist android developers, collectively known as Jetpack, to help developers build great Android applications.

Jetpack is a set of libraries, tools, and guides that make it easier for developers to write quality applications. These components help you follow best practices, get rid of the task of writing boilerplate code, and simplify complex tasks so that you can focus on the code you need.

Main characteristics of 2.Jetpack

① accelerates development: components can be used alone or work together to improve efficiency when using the Kotlin language features.

② eliminates boilerplate code: AndroidJetpack manages tedious Activity (such as background tasks, navigation, and lifecycle management).

③ builds high-quality and powerful applications: AndroidJetpack components are built around modern design practices with backward compatibility to reduce crashes and memory leaks.

3.Jetpack classification

In fact, many components in Jetpack are not newly developed. AndroidArchitectureComponent (AAC) was launched at the GooleI/O2017 conference, which includes LifeCycle, LiveData, ViewModel and Room. At the GooleI/O2018 conference, AndroidSupportLibrary was replaced by AndroidX, and AndroidJetpack,AndroidX was released on the basis of AndroidArchitectureComponent, which also belongs to AndroidJetpack.

The usage of Jetpack Packaging

Global or local installation:

Npminstall-gjetpack

Start your application by index.js in a project with package.json or

Jetpack

To build the production application to the dist directory:

Jetpackbuild

Check the package size and make up:

Jetpackinspect

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