Presentation about Dagger 2 which I gave at Mobilization 2015 - http://2015.mobilization.pl/
Source code is available: https://github.com/frogermcs/GithubClient
More about DI/Dagger 2:
Migration from Dagger to Dagger 2 - http://frogermcs.github.io/dagger-1-to-2-migration/
Intro to DI - http://frogermcs.github.io/dependency-injection-with-dagger-2-introdution-to-di/
Dagger 2 API - http://frogermcs.github.io/dependency-injection-with-dagger-2-the-api/
Scopes in Dagger 2 - http://frogermcs.github.io/dependency-injection-with-dagger-2-custom-scopes/
Dagger 2 - graph creation performance - http://frogermcs.github.io/dagger-graph-creation-performance/