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Master Dagger 2 Dependency Injection for Android Development

This book is designed for an Android Developer who has no background in using Dagger 2 for Dependency injection. Dagger is one of the most popular frameworks for Dependency injection in Android Development. It is developed by Google as a forked project from Dagger 1 which is developed by Square. Dagger 2 is one of the skills that you should have for your career as an Android Developer because a lot of companies use it nowadays because it is fast, reliable and it makes the code more testable and clean because of separation of concerns.

After reading this book, you will be able to Understand the following

What is Dependency Injection(DI)
Why we need DI
Introduction to Dagger 2 library
Understanding the types of DI
Understanding Dagger Component
Understanding Field Injection
Understanding Method Injection
Understanding Dagger 2 Module
Understanding Scopes and SubComponent
Understanding Dagger Multibindings for Android View Model
Build a real Android App using Dagger2, RxJava, MVVM, Retrofit, and Android Architecture components with Kotlin

I am Mahmoud Ramadan. I am an Android Tech Lead with 7 years of experience in Android Development.

I developed many apps like chatting, augmented reality, streaming, video calling, and more. I am passionate about android programming and teaching. This is my blog http://mahmoudramadan.me/

Table of Contents

How can you read this book?
Getting Started To Dagger 2 With KotlinPrerequisites
What is Dependency Injection(DI)
Simple DI Example
Why we need DI
Understanding DI with Simple Example
Understanding the Types of DI
Introduction to Dagger 2 library
Add Dagger to your Android Application
Dagger 2 Component
How to create a Component
Field Injection
Method Injection
Conclusion
Dagger 2 Module, Custom Scope, and SubcomponentPrerequisites
Dagger 2 Module
Why Scopes?
CustomScope
Subcomponent
Conclusion:
Getting Started to Dagger MultibindingsPrerequisites
Understanding Dagger Multibindings
Multibindings with Android Architecture View Model
Multibindings for Delegate Adapter
Multibindings for Third-party libraries
Conclusion:
Pokemon App ChallengeUser story
Technical Requirements
The solution

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