In this article, I'm gonna show you how to use a Dagger dependency injection in Android Development. The code snippets you can use as a quick start guide to build your project with the best dependency injection library. I’m gonna try to give an overview of dependency injection and what each dagger annotation means and how to implement dagger in your upcoming projects. I tried to give a dagger quick start guide that will help you understand dagger and how to implement it in android if you find any errors please let me know.