What is persistence Flutter?

SQLite supports databases up to 281 terabytes in size , assuming you can find a disk drive and filesystem that will support 281-terabyte files. Even so, when the size of the content looks like it might creep into the terabyte range, it would be good to consider a centralized client/server database.

To accomplish many of the activities offered by modern mobile phones, such as tracking contacts, events, and tasks, the operating system and applications must be adept at storing and keeping track of large quantities of data .

The Android SDK provides dedicated APIs that allow developers to use SQLite databases in their applications. The SQLite files are generally stored on the internal storage under /data/data/<packageName>/databases .

Saving app data to some type of storage that survives app restarts is called data persistence. In this Flutter tutorial, you’ll: Build an Alchemy-themed shopping app that persists data on different levels. Learn to use Flutter’s File package. Perform persistence on text, images, and classes.