DataManager class will become GOD class if application size increase.

[souravpalitrana]

So when an application needs anything it will request that from DataManager. For a simple application with 8-15 API call, it is ok. But think when you have so many different services (Food, Ride, Mart etc).

[janishar]

@souravpalitrana For such cases please refer to the enhancements to this project: Link:
https://github.com/MindorksOpenSource/android-mvp-interactor-architecture