Recently, Google has announced the stable version of the architecture components, which arguably were quite stable before getting to 1.0.0. This library contains 4 parts: ViewModel, LiveData, Room, and the Paging Library. This parts work great together because as one may assume — they are designed to do so. The architecture components could drastically influence and change the traditional way of developing Android apps, so they are potential game changer. This article is focused on the Room part of the architecture components, used for data persistence in order to enable the offline support of an app.

Almost all of the Android apps I’ve been working on were commercial apps, and almost all of them are using the push notifications capabilities. Push notifications are a nice way to keep your users engaged, and from the business perspective, taking the advantages they provide is crucial. Of course, there are situations when push notifications doesn’t apply or make sense, but we’re not gonna talk about that now. Displaying notifications on Android is fairly easy.