# Package io.rong.imkit.picture.widget.longimage

See: Description

- Class Summary
  Class | Description
  --- | ---
  SkiaImageRegionDecoder | Default implementation of ImageRegionDecoder using Android's BitmapRegionDecoder, based on the Skia library.
  DefaultOnAnimationEventListener | Default implementation of OnAnimationEventListener for extension.
  DefaultOnImageEventListener | Default implementation of OnImageEventListener for extension.
  DefaultOnStateChangedListener | Default implementation of OnStateChangedListener.
  AnimationBuilder | Builder class used to set additional options for a scale animation.
  SubsamplingScaleImageView | Displays an image subsampled as necessary to avoid loading too much image data into memory.
  ImageSource | Helper class used to set the source and additional attributes from a variety of sources.
  SkiaImageDecoder | Default implementation of ImageDecoder using Android's BitmapFactory, based on the Skia library.
  Utils | Created by qinxue on 2018/5/3.
  CompatDecoderFactory | Compatibility factory to instantiate decoders with empty public constructors.
  ImageViewState | Wraps the scale, center and orientation of a displayed image for easy restoration on screen rotate.

- Interface Summary
  Interface | Description
  --- | ---
  OnAnimationEventListener | An event listener for animations, allows events to be triggered when an animation completes, is aborted by another animation starting, or is aborted by a touch event.
  OnImageEventListener | An event listener, allowing subclasses and activities to be notified of significant events.
  OnStateChangedListener | An event listener, allowing activities to be notified of pan and zoom events.
  ImageDecoder | Interface for image decoding classes, allowing the default based on the Skia library to be replaced with a custom class.
  ImageRegionDecoder | Interface for image decoding classes, allowing the default based on the Skia library to be replaced with a custom class.
  DecoderFactory | Interface for decoder (and region decoder) factories.