EventListener

interface EventListener : ImageRequest.Listener

A listener for tracking the progress of an image request. This class is useful for measuring analytics, performance, or other metrics tracking.

See also

coil.ImageLoader.Builder

Types

Companion

object Companion

Factory

fun interface Factory

A factory that creates new EventListener instances.

Functions

decodeEnd

open fun decodeEnd(request: ImageRequest, decoder: Decoder, options: Options, result: DecodeResult)

Called after Decoder.decode.

decodeStart

open fun decodeStart(request: ImageRequest, decoder: Decoder, options: Options)

Called before Decoder.decode.

fetchEnd

open fun fetchEnd(request: ImageRequest, fetcher: Fetcher<*>, options: Options, result: FetchResult)

Called after Fetcher.fetch.

fetchStart

open fun fetchStart(request: ImageRequest, fetcher: Fetcher<*>, options: Options)

Called before Fetcher.fetch.

mapEnd

open fun mapEnd(request: ImageRequest, output: Any)

Called after Mapper.map.

mapStart

open fun mapStart(request: ImageRequest, input: Any)

Called before Mapper.map.

onCancel

open override fun onCancel(request: ImageRequest)

onError

open override fun onError(request: ImageRequest, throwable: Throwable)

onStart

open override fun onStart(request: ImageRequest)

onSuccess

open override fun onSuccess(request: ImageRequest, metadata: ImageResult.Metadata)

resolveSizeEnd

open fun resolveSizeEnd(request: ImageRequest, size: Size)

Called after SizeResolver.size.

resolveSizeStart

open fun resolveSizeStart(request: ImageRequest)

Called before SizeResolver.size.

transformEnd

open fun transformEnd(request: ImageRequest, output: Bitmap)

Called after any Transformations are applied.

transformStart

open fun transformStart(request: ImageRequest, input: Bitmap)

Called before any Transformations are applied.

transitionEnd

open fun transitionEnd(request: ImageRequest)

Called after Transition.transition.

transitionStart

open fun transitionStart(request: ImageRequest)

Called before Transition.transition.