Dagger and Butter Knife vs. Android Annotations

Question

I am evaluating Dependency Injection (DI) frameworks for an Android app. The top contenders are: Dagger (with Butter Knife) and Android Annotations. I understand that Dagger an

Answer 1

Google does ask specifically not to use dependency injection.

But by reading their request they seem to be referring more to the Guice and reflection based DI library's. Libraries such as android annotation use no reflection instead employing compile time generated code, while butterknife and dagger uses a small amount of reflection optimised for android but are supposedly slightly more powerful than android annotation. It really depends on the project and how much of a performance hit you are willing to take. In my opinion just using butterknife is sufficient to speed up code development by itself. If you need slightly more use android annotation and lastly if you are willing to take a slight performance hit due to reflection the best option without absolutely destroying performance with a powerhouse Guice based reflection use dagger + butterknife.