What is Android Jetpack and why should we use it?

Post date: 12, Feb 2019
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Jetpack is a group of Android software components to make it easier for you to develop considerable Android apps. These components help you support best practices, free you from writing boilerplate code, and simplify complex tasks, so you can focus on the code you are concerned about.

 

Jetpack contains the androidx. package libraries, unbundled from the platform APIs. This means that it gives backward compatibility and is updated more repeatedly than the Android platform, making sure you always have the interface with the latest and greatest versions of the Jetpack components.

 

android-jetpack

 

Jetpack is divided into four main areas: Architecture, Foundation, Behavior, and UI. Most of the items in Jetpack are systematically organized and categorized using existing libraries, but a few of the items are new.

 

Android Jetpack Components


Android Jetpack components are a collection of libraries that are individually adaptable and built to work together while taking advantage of Kotlin language features that make you more useful.

 

Foundation


Foundation components deliver cross-cutting functionality like backward compatibility, testing, and Kotlin language support.

 

All the foundation components are as follows:

 

AppCompat

 

Degrade easily on older versions of Android

 

Android KTX

 

Write better concise, idiomatic Kotlin code

 

Multidex

 

Provide support for apps along with multiple DEX files

 

Test

 

An Android testing framework intended for unit and runtime UI tests

 

Architecture

Architecture components, basically help design robust, testable and maintainable apps.

 

Data Binding

 

Definitely, bind observable data to UI elements

 

Lifecycles

 

Organize your activity and fragment lifecycles

 

LiveData

 

Notify views while underlying database changes

 

Navigation

 

Handle everything essential or needed for in-app navigation

 

Paging

 

Systematically  load information on demand from your data source

 

Room

 

Effortless  SQLite database access

 

ViewModel

 

Manage UI-related data in a lifecycle– sensible way

 

WorkManager

 

Handle your Android background jobs.

 

Behavior


Behavior components help your app combine with standard Android services like notifications, permissions, sharing and the Assistant.

 

Download manager

 

Download manager organize and  manage large downloads

 

Media & playback

 

Backward compatible APIs especially for media playback and routing (including Google Cast)

 

Notifications

 

Provides a backward-compatible notification API supportive with Wear and Auto

 

Permissions

 

Compatibility APIs all for checking and requesting app permissions

 

Preferences

 

Construct  interactive settings screens

 

Sharing

 

Provides a share action suitable meant for an app’s action bar

 

Slices

 

Create flexible UI elements a particular that can display app data outside the app

 

UI


UI components provide widgets and helpers to make your app not only easy, but fabulous to use.

 

Animation & transitions

 

Advanced  widgets and transition between screens

 

Auto

 

Components to assisting develop apps for Android Auto

 

Emoji

 

Permit an up-to-date emoji font on older platforms

 

Fragment

 

A key and fundamental unit of composable UI

 

Layout

 

Layout widgets applying different algorithms

 

Palette

 

Pull purposeful information out of color palettes

 

TV

 

Components supporting to develop apps for Android TV

 

Wear OS by Google

 

Components to help develop apps design for Wear

 

Conclusion

 

In this article, you were introduced with the four main parts of Jetpack.  Some of the new libraries, like the Navigation library, will change the way you write your apps, making it easier than ever, which is also developed by Andriod app development Melbourne.

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