The official Google user guide for dagger.android is at. This article focuses on using Dagger 2.11, which contains something very useful called (more on this later). Tip: If you didn’t know already, Dagger 2 can be used in pure, non-Android, Java projects / modules). Dagger 2.10 introduced the dagger.android framework that greatly simplifies dependency injection in Android and gets rid of a lot of boilerplate dependency injection code that exists in previous versions. The only question I will answer is “what is dagger.android that is introduced in version 2.10?”. They will not be addressed in this guide for brevity. These questions have already been answered many times before by many different people. If you do not know the answer to any of the questions above, then Google it.

Are there other dependency injection frameworks out there?.

What is a common setup for Dagger 2 projects before version 2.10?.

How is Dagger 2 different from Dagger 1?.

This article will not answer the following questions:

This is a how-to article, not a history lesson. There are a couple of things to clarify before we begin.

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