SystemChannels class Null safety
Platform channels used by the Flutter system.
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
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
-
accessibility
→ const BasicMessageChannel<
Object?> -
A BasicMessageChannel for accessibility events.
BasicMessageChannel<Object?>('flutter/accessibility', StandardMessageCodec()) - deferredComponent → const MethodChannel
-
A MethodChannel for installing and managing deferred components.
OptionalMethodChannel('flutter/deferredcomponent') -
keyEvent
→ const BasicMessageChannel<
Object?> -
A JSON BasicMessageChannel for keyboard events.
BasicMessageChannel<Object?>('flutter/keyevent', JSONMessageCodec()) -
lifecycle
→ const BasicMessageChannel<
String?> -
A string BasicMessageChannel for lifecycle events.
BasicMessageChannel<String?>('flutter/lifecycle', StringCodec()) - localization → const MethodChannel
-
A JSON MethodChannel for localization.
OptionalMethodChannel('flutter/localization', JSONMethodCodec()) -
A MethodChannel for platform menu specification and control.
OptionalMethodChannel('flutter/menu') - mouseCursor → const MethodChannel
-
A MethodChannel for configuring mouse cursors.
OptionalMethodChannel('flutter/mousecursor') -
A JSON MethodChannel for navigation.
OptionalMethodChannel('flutter/navigation', JSONMethodCodec()) - platform → const MethodChannel
-
A JSON MethodChannel for invoking miscellaneous platform methods.
OptionalMethodChannel('flutter/platform', JSONMethodCodec()) - platform_views → const MethodChannel
-
A MethodChannel for controlling platform views.
MethodChannel('flutter/platform_views') - restoration → const MethodChannel
-
A MethodChannel for synchronizing restoration data with the engine.
OptionalMethodChannel('flutter/restoration') - skia → const MethodChannel
-
A MethodChannel for configuring the Skia graphics library.
MethodChannel('flutter/skia', JSONMethodCodec()) -
system
→ const BasicMessageChannel<
Object?> -
A JSON BasicMessageChannel for system events.
BasicMessageChannel<Object?>('flutter/system', JSONMessageCodec()) - textInput → const MethodChannel
-
A JSON MethodChannel for handling text input.
OptionalMethodChannel('flutter/textinput', JSONMethodCodec())