com.bumptech.glide.request.target

Class ThumbnailImageViewTarget<T>

java.lang.Object

com.bumptech.glide.request.target.BaseTarget<Z>

com.bumptech.glide.request.target.ViewTarget<ImageView,Z>

com.bumptech.glide.request.target.ImageViewTarget<T>

com.bumptech.glide.request.target.ThumbnailImageViewTarget<T>

Type Parameters:

T - The type of resource that will be displayed in the ImageView.

All Implemented Interfaces:

LifecycleListener, Target<T>, Transition.ViewAdapter

Direct Known Subclasses:

BitmapThumbnailImageViewTarget, DrawableThumbnailImageViewTarget

public abstract class ThumbnailImageViewTarget<T>
extends ImageViewTarget<T>

Avoids extra calls to View.requestLayout() when loading more than once image into an ImageView with fixed dimensions.

Typically it makes sense to use this class when loading multiple images with the RequestBuilder.thumbnail(com.bumptech.glide.RequestBuilder) API into views in a scrolling list like ListView, GridView, or RecyclerView.

FixedSizeDrawable may cause skewing or other undesirable behavior depending on your images, views, and scaling. If this occurs, consider DrawableImageViewTarget or BitmapImageViewTarget as alternatives.

Field Summary

Fields inherited from class com.bumptech.glide.request.target.ViewTarget

view

Fields inherited from interface com.bumptech.glide.request.target.Target

SIZE_ORIGINAL

Constructor Summary

Constructors

Constructor and Description
ThumbnailImageViewTarget(ImageView view)
ThumbnailImageViewTarget(ImageView view, boolean waitForLayout)

Method Summary

Modifier and Type	Method and Description
protected abstract Drawable	getDrawable(T resource)
protected void	setResource(T resource)

Methods inherited from class com.bumptech.glide.request.target.ImageViewTarget

getCurrentDrawable, onLoadCleared, onLoadFailed, onLoadStarted, onResourceReady, onStart, onStop, setDrawable

Methods inherited from class com.bumptech.glide.request.target.ViewTarget

getRequest, getSize, getView, removeCallback, setRequest, setTagId, toString

Methods inherited from class com.bumptech.glide.request.target.BaseTarget

onDestroy

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.bumptech.glide.request.transition.Transition.ViewAdapter

getView

Constructor Detail

ThumbnailImageViewTarget

public ThumbnailImageViewTarget(ImageView view)

ThumbnailImageViewTarget

public ThumbnailImageViewTarget(ImageView view,
                                boolean waitForLayout)

Method Detail

setResource

protected void setResource(@Nullable
                           T resource)

Specified by:

setResource in class ImageViewTarget<T>

getDrawable

protected abstract Drawable getDrawable(T resource)