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())