User data storage is definitely an attribute that stores data your app makes and uses on a machine. This includes runtime state, app settings, end user preferences, benchmark content, and other data. It is important for making certain your app’s data stays intact designed for users any time they substitute a damaged device or upgrade to a new one.
Google android provides a couple of options http://www.virtuadata.net/how-to-service-your-own-computer for you to preserve persistent application data, including internal safe-keeping, preferences, and a repository. Which one you choose depends on your unique needs and how much space your details requires.
Interior storage — This storage space location is definitely smaller than exterior storage although always obtainable, making it the most preferred choice to get app data absolutely constantly changing. It also makes it feasible for your software to work with devices that don’t have an online connection.
Distributed preferences — This option enables you to store privately owned primitive data in key-value pairs, which you can access out of any customer that supports the Preference APIs. The data is definitely synced around all consumers in real time, and remains available even if your application is off-line.
Firebase realtime database — This option shops and syncs data in a NoSQL cloud database. Really faster than any other options, and is also available even though your app is offline.
Custom info store — This option lets you configure the Preference APIs to store choice data within a storage area you present. It can be a file-system, database, or possibly a combination of both of them.