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Embark on a journey into the heart of modern Android app development with Android Jetpack Components. Born from Google's vision to empower developers with a comprehensive toolkit, Jetpack revolutionizes the way we craft robust and elegant Android applications.
Android Jetpack is a set of software components, libraries, tools, and guidance that helps developers build robust Android apps. Android Jetpack is inspired by the support library, which is a set of components to take advantage of new Android features while maintaining backward compatibility across Android releases with AndroidX package library.
The most fascinating aspect of the Jetpack is that it gets updated more frequently than the Android platform so that we can always get the advantage of the latest platform.
Jetpack comprises pre-existing Android support libraries, architectural components, and an Android KTX library (A set of Kotlin extensions that leverages several Kotlin language features).
According to Google, Jetpack is currently used by 80% of the top 1000 apps in the Play Store.
To deal with the data changes and to reduce complications in the app life cycle, Jetpack introduced four Android Jetpack Components. Android Jetpack components are collections of Libraries that help developers design robust, testable, and maintainable apps.
Let's take a closer look at Android Jetpack components.
Android Jetpack helps solve major problems such as managing activity life cycles, configuration changes, and preventing memory leaks. Android Jetpack components bring together the existing support library and architecture components and define them into four categories. As shown in the figure below.
These components help to simplify complex things and eliminate the majority of the boilerplate code from the application. Further is built around modern design principles such as separation of concerns, and deriving UI from a model.
The components have been classified into four groups:
Let's look into each of them.
The foundation component facilitates backward compatibility, testing support, and Kotin language support.
The foundation component consists of,
Architectural components facilitate highly testable robust app architecture while individually addressing developers' pain points.
Architecture components are as follows:
Behavioral components enable your app to integrate with modern Android services such as notification, permissions, media sharing, and assistance.
Following are the behavioral components:
The UI component provides widgets and helps you to make your application attractive and adorable.
Following are the UI components:
Though components are built to work together for eg. lifecycle awareness and live data it’s not compulsory to use all of them, you can integrate any part of Android Jetpack that solves your problem.
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