private void initializeDependencyInjector() {
    objectGraph = ObjectGraph.create(new RootModule(this));
    objectGraph.inject(this);
    objectGraph.injectStatics();
  }
Extend the dependency container graph will new dependencies provided by the modules passed as
arguments.

@param modules used to populate the dependency container.
app/src/main/java/com/github/pedrovgs/effectiveandroidui/TvShowsApplication.java