💉 Dependency Injection - When & How to Inject Dependency? [Android Tutorial]

💉Dependency injection (DI) is a technique widely used in programming and well suited to Android development. By following the principles of DI, you lay the groundwork for good app architecture.

Implementing dependency injection provides you with the following advantages:
Reusability of code
Ease of refactoring
Ease of testing

Dagger 2 is a dependency injection framework for Android and Java that is developed by Google. In this tutorial, we will step by step learn how to use Dagger 2 and why we need it.

We will learn what a dependency is, what injection means, and what benefits dependency injection provides in terms of code coupling, test ability and single responsibility principle. We will also learn what new problems dependency injection brings up and how Dagger 2 can help us get rid of them while still reaping the benefits of dependency injection.

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[MasterCodingTeam]

Please comment "Thanks" to push us forward making new videos everyday

[ahmednafiunoman]

Another great tutorials Allah bless you with success.Amen

[oluwadamilareakinsola]

Thanks for this course, it really helps

[nikolasimic]

I am pushing, puuushing.. Btw big like, please continue with Java and Android to implement new techniques, because Kotlin is way too aggressive with new stuff. I am now for a year in programming and in my ignorance, I started with Java not knowing that this is a kinda dying language in Android Development. I am so close to master this, but I am facing a lack of modern and fresh tutorials for Java. Tnx... Is it possible to make a tutorial with MVVM, JetPAck components, and RXJava? That would be AMAZING...Tnx again..

[bjsin]

Master Coding, this question is totally off topic from this video but I'm desparate and need help and I'm hoping you can help me. My mom has a Samsung Galaxy Note 20 5G android phone. When she get's on a Zoom Call and she presses the camera icon to be seen by the other members on the call, only a black screen is shown with her name. The camera is shown as on but it is not showing her picture live. This is a new phone that my brother gave her recently and it used to work before when she pressed the camera to on everyone could see her, but it's not working now. What can be done to correct this? It's just showing a black screen even though the camera is pressed on. We both are technologically illiterate so give clear and easy to understand instructions if you can help. Thanks. If you can't help me can you direct me to resources that can help me?