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
Returns a string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited

Constants

accessibility → const BasicMessageChannel
A BasicMessageChannel for accessibility events. [...]
BasicMessageChannel<dynamic>('flutter/accessibility', StandardMessageCodec())
keyEvent → const BasicMessageChannel
A JSON BasicMessageChannel for keyboard events. [...]
BasicMessageChannel<dynamic>('flutter/keyevent', JSONMessageCodec())
lifecycle → const BasicMessageChannel<String?>
A string BasicMessageChannel for lifecycle events. [...]
BasicMessageChannel<String?>('flutter/lifecycle', StringCodec())
mouseCursor → const MethodChannel
A MethodChannel for configuring mouse cursors. [...]
OptionalMethodChannel('flutter/mousecursor', StandardMethodCodec())
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', StandardMethodCodec())
restoration → const MethodChannel
A MethodChannel for synchronizing restoration data with the engine. [...]
OptionalMethodChannel('flutter/restoration', StandardMethodCodec())
skia → const MethodChannel
A MethodChannel for configuring the Skia graphics library. [...]
MethodChannel('flutter/skia', JSONMethodCodec())
system → const BasicMessageChannel
A JSON BasicMessageChannel for system events. [...]
BasicMessageChannel<dynamic>('flutter/system', JSONMessageCodec())
textInput → const MethodChannel
A JSON MethodChannel for handling text input. [...]
OptionalMethodChannel('flutter/textinput', JSONMethodCodec())