JsonCacheSharedPreferences class final

Persistent preferences file cache.

Implemented types

• JsonCache

Constructors

JsonCacheSharedPreferences(SharedPreferences _sharedPreferences)

Sets the SharedPreferences instance.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

clear() → Future<void>

Frees up the preferences file space.

override

contains(String key) → Future<bool>

Checks whether there is data in the preferences at key.

override

keys() → Future<UnmodifiableListView<String>>

The cache keys.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

refresh(String key, Map<String, dynamic> value) → Future<void>

Writes value to the preferences file.

override

remove(String key) → Future<void>

Removes an entry from the preferences file storage at key.

override

toString() → String

A string representation of this object.

inherited

value(String key) → Future<Map<String, dynamic>?>

The value at key from the preferences file; it returns null if a cache miss occurs.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited