Classes

Summary: Ctors | Methods | Protected Methods | Inherited Methods | [Expand All]

public abstract class

BaseBitmapReferenceDataSubscriber

Class Overview

Implementation of DataSubscriber for cases where the client wants access to a bitmap reference.

Sample usage:

dataSource.subscribe(
   new BaseBitmapReferenceDataSubscriber() {
     @Override
     public void onNewResultImpl(@Nullable CloseableReference bitmapReference) {
       // Pass bitmap to another component, which clones the bitmap reference if it needs to
       // hold on to the bitmap.
       doSomething(bitmapReference);
       // No need to do any cleanup.
     }

     @Override
     public void onFailureImpl(DataSource dataSource) {
       // No cleanup required here.
     }
   });

Summary

Public Constructors

Public Methods
void

Protected Methods
abstract void
The bitmap reference will be closed immediately after this method is called.

| [Expand] Inherited Methods | | --- | | From class com.facebook.datasource.BaseDataSubscriber

| void | onCancellation(DataSource<T> dataSource) Called whenever the request is cancelled (a request being cancelled means that is was closed before it finished). | | void | onFailure(DataSource<T> dataSource) Called whenever an error occurs inside of the pipeline. | | abstract void | onFailureImpl(DataSource<T> dataSource) | | void | onNewResult(DataSource<T> dataSource) Called whenever a new value is ready to be retrieved from the DataSource. | | abstract void | onNewResultImpl(DataSource<T> dataSource) | | void | onProgressUpdate(DataSource<T> dataSource) Called when the progress updates. |

| | From class java.lang.Object

| | From interface com.facebook.datasource.DataSubscriber

| abstract void | onCancellation(DataSource<T> dataSource) Called whenever the request is cancelled (a request being cancelled means that is was closed before it finished). | | abstract void | onFailure(DataSource<T> dataSource) Called whenever an error occurs inside of the pipeline. | | abstract void | onNewResult(DataSource<T> dataSource) Called whenever a new value is ready to be retrieved from the DataSource. | | abstract void | onProgressUpdate(DataSource<T> dataSource) Called when the progress updates. |

Public Constructors

public BaseBitmapReferenceDataSubscriber()

Public Methods

public void onNewResultImpl(DataSource<CloseableReference<CloseableImage>> dataSource)

Protected Methods

protected abstract void onNewResultImpl(CloseableReference<Bitmap> bitmapReference)

The bitmap reference will be closed immediately after this method is called. Clone the reference if you need to hold on to the bitmap and close once no longer needed.

Parameters

| bitmapReference | the bitmap reference or null if not a bitmap-based image |

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