util/config/_/global_imports
library
Classes
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AndroidMotionEvent
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A Dart version of Android's MotionEvent.
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AndroidPointerCoords
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Position information for an Android pointer.
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AndroidPointerProperties
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Properties of an Android pointer.
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AndroidViewController
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Controls an Android view that is composed using a GL texture.
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AppKitViewController
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Controller for a macOS platform view.
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ApplicationSwitcherDescription
-
Specifies a description of the application that is pertinent to the
embedder's application switcher (also known as "recent tasks") user
interface.
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AssetBundle
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A collection of resources used by the application.
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AssetManifest
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Contains details about available assets and their variants.
See Resolution-aware image assets
to learn about asset variants and how to declare them.
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AssetMetadata
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Contains information about an asset.
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AutofillClient
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An object that represents an autofillable input field in the autofill workflow.
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AutofillConfiguration
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A collection of autofill related information that represents an AutofillClient.
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AutofillHints
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A collection of commonly used autofill hint strings on different platforms.
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AutofillScope
-
An ordered group within which AutofillClients are logically connected.
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BackgroundIsolateBinaryMessenger
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A BinaryMessenger for use on background (non-root) isolates.
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BasicMessageChannel<T>
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A named channel for communicating with platform plugins using asynchronous
message passing.
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BinaryCodec
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MessageCodec with unencoded binary messages represented using ByteData.
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BinaryMessenger
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A messenger which sends binary data across the Flutter platform barrier.
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Controls the browser's context menu on the web platform.
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ByteData
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A fixed-length, random-access sequence of bytes that also provides random
and unaligned access to the fixed-width integers and floating point
numbers represented by those bytes.
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CachingAssetBundle
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An AssetBundle that permanently caches string and structured resources
that have been fetched.
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ChannelBuffers
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The buffering and dispatch mechanism for messages sent by plugins
on the engine side to their corresponding plugin code on the
framework side.
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CharacterBoundary
-
A TextBoundary subclass for retrieving the range of the grapheme the given
position
is in.
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Clipboard
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Utility methods for interacting with the system's clipboard.
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ClipboardData
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Data stored on the system clipboard.
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Color
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An immutable 32 bit color value in ARGB format.
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CoverMaterialApp
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CoverMyApp
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CoverRunApp
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DarwinPlatformViewController
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Base class for iOS and macOS view controllers.
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DefaultProcessTextService
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The service used by default for the text processing feature.
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DefaultSpellCheckService
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The service used by default to fetch spell check results for text input.
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DeferredComponent
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Manages the installation and loading of deferred components.
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DiagnosticPropertiesBuilder
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Builder to accumulate properties and configuration used to assemble a
DiagnosticsNode from a Diagnosticable object.
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DocumentBoundary
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A text boundary that uses the entire document as logical boundary.
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EventChannel
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A named channel for communicating with platform plugins using event streams.
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ExpensiveAndroidViewController
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Controls an Android view that is composed using the Android view hierarchy.
This controller is created from the PlatformViewsService.initExpensiveAndroidView factory.
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FilteringTextInputFormatter
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A TextInputFormatter that prevents the insertion of characters matching
(or not matching) a particular pattern, by replacing the characters with the
given replacementString.
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FloatingActionButtonKit
-
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FontLoader
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A class that enables the dynamic loading of fonts at runtime.
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FontWeight
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The thickness of the glyphs used to draw the text.
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FunctionNoteKit
-
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GLFWKeyHelper
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Helper class that uses GLFW-specific key mappings.
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GtkKeyHelper
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Helper class that uses GTK-specific key mappings.
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HapticFeedback
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Allows access to the haptic feedback interface on the device.
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HardwareKeyboard
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Manages key events from hardware keyboards.
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ImmutableBuffer
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A handle to a read-only byte buffer that is managed by the engine.
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JSONMessageCodec
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MessageCodec with UTF-8 encoded JSON messages.
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JSONMethodCodec
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MethodCodec with UTF-8 encoded JSON method calls and result envelopes.
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JuneViewAction
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JuneViewChild
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JuneViewEvent
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JuneViewMother
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KeyboardInsertedContent
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A class representing rich content (such as a PNG image) inserted via the
system input method.
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KeyboardKey
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A base class for all keyboard key types.
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KeyData
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Information about a key event.
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KeyDownEvent
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An event indicating that the user has pressed a key down on the keyboard.
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KeyEvent
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Defines the interface for keyboard key events.
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KeyEventManager
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A singleton class that processes key messages from the platform and
dispatches converted messages accordingly.
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KeyHelper
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Abstract class for window-specific key mappings.
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KeyMessage
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The assembled information converted from a native key message.
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KeyRepeatEvent
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An event indicating that the user has been holding a key on the keyboard
and causing repeated events.
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KeyUpEvent
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An event indicating that the user has released a key on the keyboard.
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LengthLimitingTextInputFormatter
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A TextInputFormatter that prevents the insertion of more characters
than allowed.
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LineBoundary
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A TextBoundary subclass for locating closest line breaks to a given
position
.
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ListenersByLego
-
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LiveText
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Utility methods for interacting with the system's Live Text.
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LogicalKeyboardKey
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A class with static values that describe the keys that are returned from
RawKeyEvent.logicalKey.
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Matrix4
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4D Matrix.
Values are stored in column major order.
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MessageCodec<T>
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A message encoding/decoding mechanism.
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MethodCall
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A command object representing the invocation of a named method.
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MethodChannel
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A named channel for communicating with platform plugins using asynchronous
method calls.
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MethodCodec
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A codec for method calls and enveloped results.
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MouseCursor
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An interface for mouse cursor definitions.
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MouseCursorManager
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Maintains the state of mouse cursors and manages how cursors are searched
for.
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MouseCursorSession
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Manages the duration that a pointing device should display a specific mouse
cursor.
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MouseTrackerAnnotation
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The annotation object used to annotate regions that are interested in mouse
movements.
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NetworkAssetBundle
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An AssetBundle that loads resources over the network.
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Offset
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An immutable 2D floating-point offset.
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OptionalMethodChannel
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A MethodChannel that ignores missing platform plugins.
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ParagraphBoundary
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A text boundary that uses paragraphs as logical boundaries.
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PhysicalKeyboardKey
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A class with static values that describe the keys that are returned from
RawKeyEvent.physicalKey.
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PlatformAssetBundle
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An AssetBundle that loads resources using platform messages.
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PlatformViewController
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An interface for controlling a single platform view.
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PlatformViewsRegistry
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A registry responsible for generating unique identifier for platform views.
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PlatformViewsService
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Provides access to the platform views service.
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PointerEnterEvent
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The pointer has moved with respect to the device while the pointer is or is
not in contact with the device, and it has entered a target object.
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PointerEvent
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Base class for touch, stylus, or mouse events.
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PointerExitEvent
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The pointer has moved with respect to the device while the pointer is or is
not in contact with the device, and exited a target object.
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PointerHoverEvent
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The pointer has moved with respect to the device while the pointer is not
in contact with the device.
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PracticeNoteKit
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PredictiveBackEvent
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Object used to report back gesture progress in Android.
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ProcessTextAction
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A data structure describing text processing actions.
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ProcessTextService
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Determines how to interact with the text processing feature.
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RawFloatingCursorPoint
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The current state and position of the floating cursor.
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RawKeyboard
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An interface for listening to raw key events.
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RawKeyDownEvent
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The user has pressed a key on the keyboard.
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RawKeyEvent
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Defines the interface for raw key events.
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RawKeyEventData
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Base class for platform-specific key event data.
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RawKeyEventDataAndroid
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Platform-specific key event data for Android.
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RawKeyEventDataFuchsia
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Platform-specific key event data for Fuchsia.
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RawKeyEventDataIos
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Platform-specific key event data for iOS.
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RawKeyEventDataLinux
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Platform-specific key event data for Linux.
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RawKeyEventDataMacOs
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Platform-specific key event data for macOS.
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RawKeyEventDataWeb
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Platform-specific key event data for Web.
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RawKeyEventDataWindows
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Platform-specific key event data for Windows.
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RawKeyUpEvent
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The user has released a key on the keyboard.
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ReadBuffer
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Read-only buffer for reading sequentially from a ByteData instance.
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ReadyAfterMaterialApp
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ReadyBeforeMaterialApp
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ReadyBeforeRunApp
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ReadyForListener
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Rect
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An immutable, 2D, axis-aligned, floating-point rectangle whose coordinates
are relative to a given origin.
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RestorationBucket
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A RestorationBucket holds pieces of the restoration data that a part of
the application needs to restore its state.
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RestorationManager
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Manages the restoration data in the framework and synchronizes it with the
engine.
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RootIsolateToken
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A token that represents a root isolate.
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S
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ScaffoldViewNoteKit
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ScribbleClient
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An interface to receive focus from the engine.
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SelectionRect
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Represents a selection rect for a character and it's position in the text.
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Size
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Holds a 2D floating-point size.
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SpellCheckResults
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A data structure grouping together the SuggestionSpans and related text of
results returned by a spell checker.
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SpellCheckService
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Determines how spell check results are received for text input.
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StandardMessageCodec
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MessageCodec using the Flutter standard binary encoding.
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StandardMethodCodec
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MethodCodec using the Flutter standard binary encoding.
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StringCodec
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MessageCodec with UTF-8 encoded String messages.
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SuggestionSpan
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A data structure representing a range of misspelled text and the suggested
replacements for this range.
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SurfaceAndroidViewController
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Controls an Android view that is composed using a GL texture.
This controller is created from the PlatformViewsService.initSurfaceAndroidView factory,
and is defined for backward compatibility.
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SystemChannels
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Platform channels used by the Flutter system.
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SystemChrome
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Controls specific aspects of the operating system's graphical interface and
how it interacts with the application.
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Allows access to the system context menu.
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SystemMouseCursor
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A mouse cursor that is natively supported on the platform that the
application is running on.
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SystemMouseCursors
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A collection of system MouseCursors.
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SystemNavigator
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Controls specific aspects of the system navigation stack.
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SystemSound
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Provides access to the library of short system specific sounds for common
tasks.
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SystemUiOverlayStyle
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Specifies a preference for the style of the system overlays.
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T
-
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TextBoundary
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An interface for retrieving the logical text boundary (as opposed to the
visual boundary) at a given code unit offset in a document.
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TextEditingDelta
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A structure representing a granular change that has occurred to the editing
state as a result of text editing.
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TextEditingDeltaDeletion
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A structure representing the deletion of a single/or contiguous sequence of
characters in an editing state.
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TextEditingDeltaInsertion
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A structure representing an insertion of a single/or contiguous sequence of
characters at some offset of an editing state.
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TextEditingDeltaNonTextUpdate
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A structure representing changes to the selection and/or composing regions
of an editing state and no changes to the text value.
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TextEditingDeltaReplacement
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A structure representing a replacement of a range of characters with a
new sequence of text.
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TextEditingValue
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The current text, selection, and composing state for editing a run of text.
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TextInput
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An low-level interface to the system's text input control.
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TextInputConfiguration
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Controls the visual appearance of the text input control.
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TextInputConnection
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An interface for interacting with a text input control.
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TextInputFormatter
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A TextInputFormatter can be optionally injected into an EditableText
to provide as-you-type validation and formatting of the text being edited.
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TextInputType
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The type of information for which to optimize the text input control.
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TextLayoutMetrics
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A read-only interface for accessing visual information about the
implementing text.
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TextPosition
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A position in a string of text.
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A range of characters in a string of text.
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TextSelection
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A range of text that represents a selection.
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TextureAndroidViewController
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Controls an Android view that is rendered as a texture.
This is typically used by AndroidView to display a View in the Android view hierarchy.
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UiKitViewController
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Controller for an iOS platform view.
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Uint8List
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A fixed-length list of 8-bit unsigned integers.
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UndoManager
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A low-level interface to the system's undo manager.
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WriteBuffer
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Write-only buffer for incrementally building a ByteData instance.
Enums
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Brightness
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Describes the contrast of a theme or color palette.
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DeviceOrientation
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Specifies a particular device orientation.
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DiagnosticLevel
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The various priority levels used to filter which diagnostics are shown and
omitted.
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FloatingCursorDragState
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The state of a "floating cursor" drag on an iOS soft keyboard.
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KeyboardLockMode
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Represents a lock mode of a keyboard, such as KeyboardLockMode.capsLock.
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KeyboardSide
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An enum describing the side of the keyboard that a key is on, to allow
discrimination between which key is pressed (e.g. the left or right SHIFT
key).
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KeyDataTransitMode
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The mode in which information of key messages is delivered.
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MaxLengthEnforcement
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Mechanisms for enforcing maximum length limits.
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ModifierKey
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An enum describing the type of modifier key that is being pressed.
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SelectionChangedCause
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Indicates what triggered the change in selected text (including changes to
the cursor location).
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ServicesServiceExtensions
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Service extension constants for the services library.
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SmartDashesType
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Indicates how to handle the intelligent replacement of dashes in text input.
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SmartQuotesType
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Indicates how to handle the intelligent replacement of quotes in text input.
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SwipeEdge
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Enum representing the edge from which a swipe starts in a back gesture.
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SystemSoundType
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A sound provided by the system.
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SystemUiMode
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Describes different display configurations for both Android and iOS.
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SystemUiOverlay
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Specifies a system overlay at a particular location.
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TargetPlatform
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The platform that user interaction should adapt to target.
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TextAffinity
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A way to disambiguate a TextPosition when its offset could match two
different locations in the rendered string.
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TextAlign
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Whether and how to align text horizontally.
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TextCapitalization
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Configures how the platform keyboard will select an uppercase or
lowercase keyboard.
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TextDirection
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A direction in which text flows.
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TextInputAction
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An action the user has requested the text input control to perform.
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UndoDirection
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The direction in which an undo action should be performed, whether undo or redo.
Constants
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appFlavor
→ const String?
-
The flavor this app was built with.
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kAndroidNumPadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of Android key codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
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kAndroidToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
Maps Android-specific key codes to the matching LogicalKeyboardKey.
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kAndroidToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
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Maps Android-specific scan codes to the matching PhysicalKeyboardKey.
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kFuchsiaToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
Maps Fuchsia-specific IDs to the matching LogicalKeyboardKey.
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kFuchsiaToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
-
Maps Fuchsia-specific USB HID Usage IDs to the matching
PhysicalKeyboardKey.
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kGlfwNumpadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of GLFW key codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
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kGlfwToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
Maps GLFW-specific key codes to the matching LogicalKeyboardKey.
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kGtkNumpadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of GTK key codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
-
kGtkToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
Maps GTK-specific key codes to the matching LogicalKeyboardKey.
-
kIosNumPadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of iOS key codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
-
kIosSpecialLogicalMap
→ const Map<String, LogicalKeyboardKey>
-
Maps iOS specific string values of nonvisible keys to logical keys
-
kIosToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
A map of iOS key codes presenting LogicalKeyboardKey.
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kIosToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
-
Maps iOS-specific key code values representing PhysicalKeyboardKey.
-
kLinuxToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
-
Maps XKB specific key code values representing PhysicalKeyboardKey.
-
kMacOsFunctionKeyMap
→ const Map<int, LogicalKeyboardKey>
-
A map of macOS key codes which are numbered function keys, so that they
can be excluded when asking "is the Fn modifier down?".
-
kMacOsNumPadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of macOS key codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
-
kMacOsToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
A map of macOS key codes presenting LogicalKeyboardKey.
-
kMacOsToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
-
Maps macOS-specific key code values representing PhysicalKeyboardKey.
-
kProfilePlatformChannels
→ const bool
-
Controls whether platform channel usage can be debugged in release mode.
-
kWebLocationMap
→ const Map<String, List<LogicalKeyboardKey?>>
-
A map of Web KeyboardEvent keys which needs to be decided based on location,
typically for numpad keys and modifier keys. Used to provide different key
objects for keys like KEY_EQUALS and NUMPAD_EQUALS.
-
kWebNumPadMap
→ const Map<String, LogicalKeyboardKey>
-
A map of Web KeyboardEvent codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
-
kWebToLogicalKey
→ const Map<String, LogicalKeyboardKey>
-
Maps Web KeyboardEvent codes to the matching LogicalKeyboardKey.
-
kWebToPhysicalKey
→ const Map<String, PhysicalKeyboardKey>
-
Maps Web KeyboardEvent codes to the matching PhysicalKeyboardKey.
-
kWindowsNumPadMap
→ const Map<int, LogicalKeyboardKey>
-
A map of Windows KeyboardEvent codes which have printable representations, but appear
on the number pad. Used to provide different key objects for keys like
KEY_EQUALS and NUMPAD_EQUALS.
-
kWindowsToLogicalKey
→ const Map<int, LogicalKeyboardKey>
-
Maps Windows KeyboardEvent codes to the matching LogicalKeyboardKey.
-
kWindowsToPhysicalKey
→ const Map<int, PhysicalKeyboardKey>
-
Maps Windows KeyboardEvent codes to the matching PhysicalKeyboardKey.
Exceptions / Errors
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MissingPluginException
-
Thrown to indicate that a platform interaction failed to find a handling
plugin.
-
PlatformException
-
Thrown to indicate that a platform interaction failed in the platform
plugin.