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