4.0.0 ds.rxcontacts library 0.2.4 aar RxContacts Reactive android contacts helper https://github.com/deviant-studio/RxContacts Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0.txt repo Deviant Studio https://github.com/deviant-studio/RxContacts https://github.com/deviant-studio/RxContacts