Persistence
Data persistence is crucial for maintaining data across app launches. Flutter offers several options for data persistence, and one of the most common is using the shared_preferences
package for storing simple data, and the sqflite
package for more complex or structured data.
1. Shared Preferences π
For simple data storage, shared_preferences
is a great choice. It allows you to store simple data in key-value pairs.
Setup:
Add the shared_preferences
package to your pubspec.yaml
file:
Usage:
2. SQLite with sqflite ποΈ
For more structured data, you might want to use a local database such as SQLite.
Setup:
Add the sqflite
and path_provider
packages to your pubspec.yaml
file:
Usage:
Complete Example Code π
Here's a simple example demonstrating how to use sqflite
or shared_preference
for data persistence in Flutter:
Assignments π
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