public
interface
RequestListener
implements ProducerListener| com.facebook.imagepipeline.listener.RequestListener |
 Known Indirect Subclasses
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Class Overview
Listener for ImageRequest.
Summary
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| abstract void |
onRequestCancellation(String requestId)
Called after the request is cancelled.
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| abstract void |
onRequestFailure(ImageRequest request, String requestId, Throwable throwable, boolean isPrefetch)
Called after failure to complete the request (some producer failed).
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| abstract void |
onRequestStart(ImageRequest request, Object callerContext, String requestId, boolean isPrefetch)
Called when request is about to be submitted to the Orchestrator's executor queue.
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| abstract void |
onRequestSuccess(ImageRequest request, String requestId, boolean isPrefetch)
Called after successful completion of the request (all producers completed successfully).
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Inherited Methods | |||||||||||
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From interface
com.facebook.imagepipeline.producers.ProducerListener
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Public Methods
public abstract void onRequestCancellation (String requestId)
Called after the request is cancelled.
Parameters
| requestId | unique id generated automatically for each request submission |
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public abstract void onRequestFailure (ImageRequest request, String requestId, Throwable throwable, boolean isPrefetch)
Called after failure to complete the request (some producer failed).
Parameters
| request | which triggered the event |
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| requestId | unique id generated automatically for each request submission |
| throwable | cause of failure |
| isPrefetch | whether the request is a prefetch or not |
public abstract void onRequestStart (ImageRequest request, Object callerContext, String requestId, boolean isPrefetch)
Called when request is about to be submitted to the Orchestrator's executor queue.
Parameters
| request | which triggered the event |
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| callerContext | context of the caller of the request |
| requestId | unique id generated automatically for each request submission |
| isPrefetch | whether the request is a prefetch or not |
public abstract void onRequestSuccess (ImageRequest request, String requestId, boolean isPrefetch)
Called after successful completion of the request (all producers completed successfully).
Parameters
| request | which triggered the event |
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| requestId | unique id generated automatically for each request submission |
| isPrefetch | whether the request is a prefetch or not |