Java Code Examples for com.facebook.imagepipeline.request.ImageRequestBuilder#build()

/**
 * 加载图片到 View 上，可设置回调监听
 * @param draweeView
 * @param listener
 */
public void intoTarget(SimpleDraweeView draweeView, ControllerListener listener) {
    if ((mImageConfig != null && mImageConfig.useNewHierarchy) || !draweeView.hasHierarchy()) {
        GenericDraweeHierarchy hierarchy = GenericDraweeHierarchyBuilder
                .newInstance(draweeView.getResources()).build();
        draweeView.setHierarchy(hierarchy);
    }
    parseImageConfig(draweeView.getHierarchy());
    if (mUri != null) {
        ImageDecodeOptions imageDecodeOptions = ImageDecodeOptions.newBuilder()
                .setDecodePreviewFrame(true)
                .build();
        ImageRequestBuilder builder = ImageRequestBuilder.newBuilderWithSource(mUri)
                .setProgressiveRenderingEnabled(true)
                .setImageDecodeOptions(imageDecodeOptions);
        if (mWidth > 0 && mHeight > 0) {
            builder.setResizeOptions(new ResizeOptions(mWidth, mHeight));
        } else {
            int width = draweeView.getMeasuredWidth();
            int height = draweeView.getMeasuredHeight();
            if(width > 0 && height > 0){
                builder.setResizeOptions(new ResizeOptions(width, height));
            }
        }

        ImageRequest request = builder.build();
        AbstractDraweeController controller = Fresco.newDraweeControllerBuilder()
                .setImageRequest(request)
                .setControllerListener(listener)
                .setOldController(draweeView.getController())
                .setAutoPlayAnimations(true)
                .build();
        draweeView.setController(controller);
    } else {
        draweeView.setImageURI("");
    }
}
 

/**
 * 加载图片获取 Bitmap 对象
 * @param subscriber
 */
public void intoTarget(BaseBitmapDataSubscriber subscriber) {
    ImageRequestBuilder builder = ImageRequestBuilder.newBuilderWithSource(mUri)
            .setProgressiveRenderingEnabled(true);

    if (mWidth > 0 && mHeight > 0) {
        builder.setResizeOptions(new ResizeOptions(mWidth, mHeight));
    }

    ImageRequest imageRequest = builder.build();
    ImagePipeline imagePipeline = Fresco.getImagePipeline();
    DataSource<CloseableReference<CloseableImage>> dataSource = imagePipeline.fetchDecodedImage(imageRequest, this);
    dataSource.subscribe(subscriber, UiThreadImmediateExecutorService.getInstance());
}
 

@Override
public void displayRaw(@NonNull ImageView img, @NonNull String absPath, int width, int height,  IBoxingCallback callback) {
    absPath = "file://" + absPath;
    ImageRequestBuilder requestBuilder = ImageRequestBuilder.newBuilderWithSource(Uri.parse(absPath));
    if (width > 0 && height > 0) {
        requestBuilder.setResizeOptions(new ResizeOptions(width, height));
    }
    ImageRequest request = requestBuilder.build();
    loadImage(request, img, callback);
}
 

public static void LoadImageFromURLAndCallBack(SimpleDraweeView destImageView , String URL, Context context, BaseBitmapDataSubscriber bbds
, BasePostprocessor postprocessor)
{
    int w = destImageView.getWidth();
    int h  =destImageView.getHeight();
    if(w<1){
        w = destImageView.getLayoutParams().width;
    }
    if(h<1){
        h  =destImageView.getLayoutParams().height;
    }
    ImageRequestBuilder builder = ImageRequestBuilder.newBuilderWithSource(Uri.parse(URL))
            .setResizeOptions(new ResizeOptions(w,h))
            .setProgressiveRenderingEnabled(true);
    if(postprocessor!=null){
        builder.setPostprocessor(postprocessor);
    }
    ImageRequest imageRequest =
            builder
                    .build();
    ImagePipeline imagePipeline = Fresco.getImagePipeline();
    DataSource<CloseableReference<CloseableImage>> dataSource = imagePipeline.fetchDecodedImage(imageRequest, context);
    dataSource.subscribe(bbds, CallerThreadExecutor.getInstance());
    DraweeController draweeController = Fresco.newDraweeControllerBuilder()
            .setImageRequest(imageRequest)
            .setOldController(destImageView.getController())
            .setAutoPlayAnimations(true)
            .build();
    destImageView.setController(draweeController);
}
 

@Override
@Nullable
public ImageRequest buildImageRequest(@Nullable Uri uri, DecodedImageOptions imageOptions) {
  if (uri == null) {
    return null;
  }
  final ImageRequestBuilder imageRequestBuilder =
      createEncodedImageRequestBuilder(uri, imageOptions);
  ImageRequestBuilder builder =
      createDecodedImageRequestBuilder(imageRequestBuilder, imageOptions);
  return builder != null ? builder.build() : null;
}
 

@Override
@Nullable
public ImageRequest wrapDecodedImageRequest(
    ImageRequest imageRequest, DecodedImageOptions imageOptions) {
  ImageRequestBuilder builder =
      createDecodedImageRequestBuilder(
          createEncodedImageRequestBuilder(imageRequest, imageOptions), imageOptions);
  return builder != null ? builder.build() : null;
}
 

@Override
@Nullable
public ImageRequest buildEncodedImageRequest(
    @Nullable Uri uri, EncodedImageOptions imageOptions) {
  ImageRequestBuilder builder = createEncodedImageRequestBuilder(uri, imageOptions);
  return builder != null ? builder.build() : null;
}
 

/**
 * @param frescoPlusView The draweeView is to display the bitmap
 * @param uri         The source uri
 * @param callback    Listening to the success or failure
 */
private void fetchImage(FrescoPlusView frescoPlusView, Uri uri, FPFetchCallback<ImageInfo> callback) {
    GenericDraweeHierarchyBuilder hierarchyBuilder = new GenericDraweeHierarchyBuilder(null);
    hierarchyBuilder.setFadeDuration(fadeDuration);
    hierarchyBuilder.setRoundingParams(RoundingParams.fromCornersRadius(radius));
    hierarchyBuilder.setActualImageScaleType(scaleType);
    if (defaultDrawable != null)
        hierarchyBuilder.setPlaceholderImage(defaultDrawable, scaleType);
    if (pressedDrawable != null)
        hierarchyBuilder.setPressedStateOverlay(pressedDrawable);
    if (retryDrawable != null)
        hierarchyBuilder.setRetryImage(retryDrawable);
    if (overlayDrawable != null)
        hierarchyBuilder.setOverlay(overlayDrawable);
    if (failureDrawable != null)
        hierarchyBuilder.setFailureImage(failureDrawable, scaleType);
    if (progressDrawable != null)
        hierarchyBuilder.setProgressBarImage(progressDrawable);
    GenericDraweeHierarchy hierarchy = hierarchyBuilder.build();

    ImageRequestBuilder requestBuilder = ImageRequestBuilder.newBuilderWithSource(uri);
    requestBuilder.setLowestPermittedRequestLevel(requestLevel);
    requestBuilder.setAutoRotateEnabled(autoRotateEnabled);
    if (postprocessor != null)
        requestBuilder.setPostprocessor(postprocessor);
    Priority priority = requestPriority == FrescoPriority.HIGH ? Priority.HIGH : Priority.MEDIUM;
    requestBuilder.setRequestPriority(priority);
    if (resizeWidth > 0 && resizeHeight > 0)
        requestBuilder.setResizeOptions(new ResizeOptions(resizeWidth, resizeHeight));
    ImageRequest imageRequest = requestBuilder.build();

    DraweeController draweeController = FrescoPlusCore.newDraweeControllerBuilder()
            .setOldController(frescoPlusView.getController())
            .setAutoPlayAnimations(true)
            .setRetainImageOnFailure(true)
            .setTapToRetryEnabled(true)
            .setImageRequest(imageRequest)
            .setControllerListener(FetchImageControllerListenerSupplier.newInstance(callback))
            .build();
    frescoPlusView.setHierarchy(hierarchy);
    frescoPlusView.setController(draweeController);
}
 

private ImageRequest createImageRequest(Integer thumbnailWidth, Integer thumbnailHeight) {
    ImageRequestBuilder builder = ImageRequestBuilder.newBuilderWithSource(Uri.parse(url));
    builder.setResizeOptions(new ResizeOptions(thumbnailWidth, thumbnailHeight));

    return builder.build();
}