Storage class Null safety

Class that provides methods to manage the JavaScript Storage object. It is used by LocalStorage and SessionStorage.

Implementers

Constructors

Storage(InAppWebViewController controller, WebStorageType webStorageType)

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
webStorageType WebStorageType
The web storage type: window.sessionStorage or window.localStorage.
read / write

Methods

clear() Future<void>
Clears all keys stored in a given Storage object.
getItem({required String key}) Future
When passed a key name, will return that key's value, or null if the key does not exist, in the given Storage object.
getItems() Future<List<WebStorageItem>>
Returns the list of all items from the given Storage object.
key({required int index}) Future<String>
When passed a number index, returns the name of the nth key in a given Storage object. The order of keys is user-agent defined, so you should not rely on it.
length() Future<int?>
Returns an integer representing the number of data items stored in the Storage object.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
removeItem({required String key}) Future<void>
When passed a key name, will remove that key from the given Storage object if it exists.
setItem({required String key, required dynamic value}) Future<void>
When passed a key name and value, will add that key to the storage, or update that key's value if it already exists.
toString() String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited