Flutter shared_preference

安装

flutter pub add shared_preference

dart pub: shared_preference

使用

final prefs = await SharedPreferences.getInstance();

await prefs.setInt('counter', 10);
await prefs.setString('action', 'Start');

final int? counter = prefs.getInt('counter');
final String? action = prefs.getString('action');

final success = await prefs.remove('counter');

平台支持

Platform	Location
Android	SharedPreferences
iOS	NSUserDefaults
Linux	In the XDG_DATA_HOME directory
macOS	NSUserDefaults
Web	LocalStorage
Windows	In the roaming AppData directory