ProviderObserver class abstract
An object that listens to the changes of a ProviderContainer.
This can be used for logging or making devtools.
Constructors
- ProviderObserver()
-
An object that listens to the changes of a ProviderContainer.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
didAddProvider(
ProviderBase< Object?> provider, Object? value, ProviderContainer container) → void -
A provider was initialized, and the value exposed is
value
. -
didDisposeProvider(
ProviderBase< Object?> provider, ProviderContainer container) → void - A provider was disposed
-
didUpdateProvider(
ProviderBase< Object?> provider, Object? previousValue, Object? newValue, ProviderContainer container) → void - Called by providers when they emit a notification.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
providerDidFail(
ProviderBase< Object?> provider, Object error, StackTrace stackTrace, ProviderContainer container) → void - A provider emitted an error, be it by throwing during initialization or by having a Future/Stream emit an error
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited