library services

Specifies a particular device orientation.

A sound provided by the system

Specifies a system overlay at a particular location. Certain platforms may not use all overlays specified here.

Specifies a preference for the style of the system overlays. Certain platforms may not respect this preference.

Whether a TextPosition is visually upstream or downstream of its offset.

A action the user has requested the text input control to perform.

For which type of information to optimize the text input control.

Specifies a description of the application that is pertinent to the embedder's application switcher (a.k.a. "recent tasks") user interface.

A collection of resources used by the application.

Key for the image obtained by an AssetImage or ExactAssetImage.

A subclass of ImageProvider that knows about AssetBundles.

Fetches an image from an AssetBundle, having determined the exact image to use based on the context.

An AssetBundle that permanently caches string and structured resources that have been fetched.

An interface to the system's clipboard.

Data stored on the system clip board.

Fetches an image from an AssetBundle, associating it with the given scale.

Decodes the given File object as an image, associating it with the given scale.

Allows access to the haptic feedback interface on the device. This API is intentionally terse since it calls default platform behavior. It is not suitable for use if you require more flexible access to device sensors and peripherals.

A service that can be implemented by the host application and the Flutter framework to exchange application-specific messages.

Class for the imageCache object.

Configuration information passed to the ImageProvider.resolve method to select a specific image.

A ui.Image object with its corresponding scale.

Identifies an image without committing to the precise final asset. This allows a set of images to be identified and for the precise image to later be resolved based on the environment, e.g. the device pixel ratio.

A handle to an image resource.

Base class for those that manage the loading of ui.Image objects for ImageStreams.

An AssetBundle that loads resources over the network.

Fetches the given URL from the network, associating it with the given scale.

Manages the loading of ui.Image objects for static ImageStreams (those with only one frame).

Returns commonly used locations on the filesystem.

An AssetBundle that loads resources using platform messages.

Sends message to and receives messages from the underlying platform.

An interface for listening to raw key events.

The user has pressed a key on the keyboard.

Base class for raw key events.

Base class for platform specific key event data.

Platform-specific key event data for Android.

Platform-specific key event data for Fuchsia.

The user has released a key on the keyboard.

Listens for platform messages and directs them to PlatformMessages.

Controls specific aspects of the embedder interface.

Controls specific aspects of the system navigation stack.

Allows easy access to the library of short system specific sounds for common tasks.

The current text, selection, and composing state for editing a run of text.

An interface to the system's text input control.

An interface to receive information from TextInput.

Controls the visual appearance of the text input control.

A interface for interacting with a text input control.

Allows applications to delegate responsbility of handling certain URLs to the underlying platform.