Storage class abstract
Class that provides methods to manage the JavaScript Storage object. It is used by PlatformLocalStorage and PlatformSessionStorage.
- Implemented types
- Implementers
Constructors
- Storage.fromPlatform({required PlatformStorage platform})
- Constructs a Storage from a specific platform implementation.
Properties
- controller → PlatformInAppWebViewController?
-
Controller used to interact with storage.
no setteroverride
- hashCode → int
-
The hash code for this object.
no setterinherited
- platform → PlatformStorage
-
Implementation of PlatformStorage for the current platform.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- webStorageType → WebStorageType
-
The web storage type:
window.sessionStorageorwindow.localStorage.no setteroverride
Methods
-
clear(
) → Future< void> -
Clears all keys stored in a given Storage object.
override
-
dispose(
) → void -
override
-
getItem(
{required String key}) → Future -
When passed a
keyname, will return that key's value, ornullif the key does not exist, in the given Storage object.override -
getItems(
) → Future< List< WebStorageItem> > -
Returns the list of all items from the given Storage object.
override
-
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.override -
length(
) → Future< int?> -
Returns an integer representing the number of data items stored in the Storage object.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeItem(
{required String key}) → Future< void> -
When passed a
keyname, will remove that key from the given Storage object if it exists.override -
setItem(
{required String key, required dynamic value}) → Future< void> -
When passed a
keyname andvalue, will add that key to the storage, or update that key's value if it already exists.override -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited