Constructor Detail

• EpoxyModelPreloader

  EpoxyModelPreloader(Class<T> modelType, List<Integer> preloadableViewIds)

Method Detail

• getModelType

   final Class<T> getModelType()

• getPreloadableViewIds

   final List<Integer> getPreloadableViewIds()

  A list of view ids, one for each view that should be preloaded. This should be left empty if the EpoxyModel's type uses the Preloadable interface.

• viewSignature

   Object viewSignature(T epoxyModel)

  An optional signature to differentiate views within the same model. This is useful if your EpoxyModel can contain varying amounts of preloadable views, or preloadable views of varying sizes.

  By default the model's class, span size, and layout resource, are used to differentiate views. This signature allows additional differentiation. For example, if your EpoxyModel shows an preloadable view that varies between portrait or landscape, this orientation will affect the view dimensions. In this case you could return a boolean here to differentiate the two cases so that the preloaded data has the correct orientation.

  The returned object can be anything, but it must implement Object.hashCode

• buildViewMetadata

   abstract U buildViewMetadata(View view)

  Provide optional metadata about a view. This can be used in EpoxyModelPreloader.buildRequest

  A preload request works best if it exactly matches the actual request (in order to match cache keys exactly) Things such as request transformations, thumbnails, or crop type can affect the cache key. If your preloadable view is configurable you can capture those options via this metadata.

• startPreload

   abstract Unit startPreload(T epoxyModel, P preloadTarget, ViewData<U> viewData)

  Start a preload request with the given target.

  Parameters:

  epoxyModel - The EpoxyModel whose content is being preloaded.

  preloadTarget - The target to ues to create and store the request.

  viewData - Information about the view that will hold the preloaded content.