package com.bumptech.glide.request;
import com.bumptech.glide.request.target.Target;
/**
* A class for monitoring the status of a request while images load.
*
* @param
* It is safe to reload this or a different model or change what is displayed in the target at this point.
* For example:
*
*
*
* public void onException(Exception e, ModelType model, Target target) {
* target.setPlaceholder(R.drawable.a_specific_error_for_my_exception);
* Glide.load(model).into(target);
* }
*
*
* Note - if you want to reload this or any other model after an exception, you will need to include all * relevant builder calls (like centerCrop, placeholder etc). *
* * @param e The exception, or null * @param model The model we were trying to load when the exception occurred * @param target The {@link Target} we were trying to load the image into * @return True if the listener has handled updating the target for the given exception, false to allow * Glide's request to update the target. */ public abstract boolean onException(Exception e, T model, Target target, boolean isFirstImage); /** * Called when a load completes successfully, immediately after {@link Target#onResourceReady(Object)}. * * @param resource The resource that was loaded for the target. * @param model The specific model that was used to load the image. * @param target The target the model was loaded into. * @param isFromMemoryCache True if the load completed synchronously (useful for determining whether or not to * animate) * @param isFirstResource True if this is the first resource to in this load to be loaded into the target. For * example when loading a thumbnail and a fullsize image, this will be true for the first * image to load and false for the second. * @return True if the listener has handled setting the resource on the target (including any animations), false to * allow Glide's request to update the target (again including animations). */ public abstract boolean onResourceReady(R resource, T model, Target target, boolean isFromMemoryCache, boolean isFirstResource); }