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Kickstart Modern Android Development with Jetpack and Kotlin

Kickstart Modern Android Development with Jetpack and Kotlin

By : Ghita
4.9 (10)
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Kickstart Modern Android Development with Jetpack and Kotlin

Kickstart Modern Android Development with Jetpack and Kotlin

4.9 (10)
By: Ghita

Overview of this book

With Jetpack libraries, you can build and design high-quality, robust Android apps that have an improved architecture and work consistently across different versions and devices. This book will help you understand how Jetpack allows developers to follow best practices and architectural patterns when building Android apps while also eliminating boilerplate code. Developers working with Android and Kotlin will be able to put their knowledge to work with this condensed practical guide to building apps with the most popular Jetpack libraries, including Jetpack Compose, ViewModel, Hilt, Room, Paging, Lifecycle, and Navigation. You'll get to grips with relevant libraries and architectural patterns, including popular libraries in the Android ecosystem such as Retrofit, Coroutines, and Flow while building modern applications with real-world data. By the end of this Android app development book, you'll have learned how to leverage Jetpack libraries and your knowledge of architectural concepts for building, designing, and testing robust Android applications for various use cases.
Table of Contents (17 chapters)
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1
Part 1: Exploring the Core Jetpack Suite and Other Libraries
7
Part 2: A Guide to Clean Application Architecture with Jetpack Libraries
13
Part 3: Diving into Other Jetpack Libraries

What is DI?

In simple terms, DI represents the concept of providing the instances of the dependencies that a class needs, instead of having it construct them itself. But, what are dependencies?

Dependencies are other classes that a certain class depends on. For example, an ExampleViewModel class could contain a repository variable of type Repository:

class ExampleViewModel {
    private val repository: Repository = Repository()
    fun doSomething() {
        repository.use()
    }
}

That's why ExampleViewModel depends on Repository, or Repository is a dependency for ExampleViewModel. Most of the time, classes have many more dependencies, but we'll stick with only one for the sake of simplicity. In this case, the ExampleViewModel provides its own dependencies so it's very easy to create an instance of it:

fun main() {
    val vm = ExampleViewModel...

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