TextProvider class
Provider for loading text data and displaying it in widgets, etc.
Inherits from ChangeNotifier and automatically loads text and notifies after loading is complete.
The loaded text is stored in value.
AssetTextProvider, etc.
テキストのデータをロードしてウィジェット等で表示するためのプロバイダー。
ChangeNotifierを継承しており、自動でテキストをロードしロード完了後に通知を行います。
ロードされたテキストはvalueに格納されます。
AssetTextProviderなどがあります。
- Inheritance
-
- Object
- ChangeNotifier
- TextProvider
- Implemented types
- Implementers
- Available Extensions
Constructors
- TextProvider({String? defaultValue})
- Provider for loading text data and displaying it in widgets, etc.
Properties
- defaultValue → String?
-
Default value if read fails.
final
-
future
→ Future<
String?> ? -
You can wait when loading.
no setter
- hashCode → int
-
The hash code for this object.
no setteroverride
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → String?
-
The current value of the object. When the value changes, the callbacks
registered with addListener will be invoked.
no setteroverride
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override