https://tech.xing.com/how-big-is-your-application-4c89377c51d - Simple App OnCreate - 2

DaggerImplApplication.java

public class SimpleApplication extends Application {

    @Inject CoolAnalyticsTool coolAnalyticsTool;
    @Inject ImageLoaderConfiguration imageLoaderConfiguration;
    @Inject ImageLoader imageLoader;

    @Override
    public void onCreate() {
        super.onCreate();
        ApplicationComponent.create(this).inject(this);

        imageLoader.init(imageLoaderConfiguration);
        coolAnalyticsTool.configure(this);

        importantMethod();
        PerformanceTool.monitor(this);
        SomeUtilObject.init(this);

        CalligraphyConfig.initDefault(new CalligraphyConfig.Builder()
              .setDefaultFontPath("fonts/some_font_path.ttf")
              .setFontAttrId(android.R.attr.fontFamily)
              .build());

        if (LeakCanary.isInAnalyzerProcess(this)) {
            // This process is dedicated to LeakCanary for heap analysis.
            // You should not init your app in this process.
            return;
        }
        LeakCanary.install(this);
    }