Chapter 54 — Local Storage and Persistence

Level: intermediate Estimated time: 10 h Prerequisites: chapters 43 to 53 (all of PART 1B); chapters 08 to 17 of PART 1A (OOP, null safety, exceptions, asynchronous programming, JSON) What you will be able to do by the end: choose the right storage family for each piece of data, write and read back preferences, files, and a real SQL database on the device, and make your app's state survive being closed.

54.0 — Chapter objectives

By the end of this chapter, you will be able to: