/**
* Asynchronously fulfills the request into the specified {@link Target}. In most cases, you
* should use this when you are dealing with a custom {@link android.view.View View} or view
* holder which should implement the {@link Target} interface.
*
* <p>Implementing on a {@link android.view.View View}:
*
* <blockquote>
*
* <pre>
* public class ProfileView extends FrameLayout implements Target {
* {@literal @}Override public void onBitmapLoaded(Bitmap bitmap, LoadedFrom from) {
* setBackgroundDrawable(new BitmapDrawable(bitmap));
* }
*
* {@literal @}Override public void onBitmapFailed() {
* setBackgroundResource(R.drawable.profile_error);
* }
*
* {@literal @}Override public void onPrepareLoad(Drawable placeHolderDrawable) {
* frame.setBackgroundDrawable(placeHolderDrawable);
* }
* }
* </pre>
*
* </blockquote>
*
* Implementing on a view holder object for use inside of an adapter:
*
* <blockquote>
*
* <pre>
* public class ViewHolder implements Target {
* public FrameLayout frame;
* public TextView name;
*
* {@literal @}Override public void onBitmapLoaded(Bitmap bitmap, LoadedFrom from) {
* frame.setBackgroundDrawable(new BitmapDrawable(bitmap));
* }
*
* {@literal @}Override public void onBitmapFailed() {
* frame.setBackgroundResource(R.drawable.profile_error);
* }
*
* {@literal @}Override public void onPrepareLoad(Drawable placeHolderDrawable) {
* frame.setBackgroundDrawable(placeHolderDrawable);
* }
* }
* </pre>
*
* </blockquote>
*
* <p><em>Note:</em> This method keeps a weak reference to the {@link Target} instance and will be
* garbage collected if you do not keep a strong reference to it. To receive callbacks when an
* image is loaded use {@link #into(android.widget.ImageView, Callback)}.
*/
public void into(Target target) {
long started = System.nanoTime();
if (picasso.checkMainThreadsEnabled) {
checkMain();
}
if (target == null) {
throw new IllegalArgumentException("Target must not be null.");
}
if (deferred) {
throw new IllegalStateException("Fit cannot be used with a Target.");
}
if (!data.hasImage()) {
picasso.cancelRequest(target);
target.onPrepareLoad(setPlaceholder ? getPlaceholderDrawable() : null);
return;
}
Request request = createRequest(started);
String requestKey = createKey(request);
if (shouldReadFromMemoryCache(memoryPolicy)) {
Bitmap bitmap = picasso.quickMemoryCacheCheck(requestKey);
if (bitmap != null) {
picasso.cancelRequest(target);
target.onBitmapLoaded(bitmap, MEMORY);
return;
}
}
target.onPrepareLoad(setPlaceholder ? getPlaceholderDrawable() : null);
Action action =
new TargetAction(
picasso,
target,
request,
memoryPolicy,
networkPolicy,
errorDrawable,
requestKey,
tag,
errorResId);
picasso.enqueueAndSubmit(action);
}
private void loadImage(Track track, ImageView view) {
Context appContext = view.getContext().getApplicationContext();
Picasso picasso = Picasso.with(appContext);
picasso.cancelRequest(view);
if (track.album != null && !track.album.images.isEmpty()) {
String url = track.album.images.get(0).url;
picasso
.load(url)
.fit()
.centerCrop()
.placeholder(R.drawable.ic_av_equalizer)
.error(R.drawable.ic_av_equalizer)
.into(view);
} else {
picasso.load(R.drawable.ic_av_equalizer).fit().centerCrop().noPlaceholder().into(view);
}
}
/**
* Asynchronously fulfills the request into the specified {@link ImageView} and invokes the target
* {@link Callback} if it's not {@code null}.
*
* <p><em>Note:</em> The {@link Callback} param is a strong reference and will prevent your {@link
* android.app.Activity} or {@link android.app.Fragment} from being garbage collected. If you use
* this method, it is <b>strongly</b> recommended you invoke an adjacent {@link
* Picasso#cancelRequest(android.widget.ImageView)} call to prevent temporary leaking.
*/
public void into(ImageView target, Callback callback) {
long started = System.nanoTime();
if (picasso.checkMainThreadsEnabled) {
checkMain();
}
if (target == null) {
throw new IllegalArgumentException("Target must not be null.");
}
if (!data.hasImage()) {
picasso.cancelRequest(target);
if (setPlaceholder) {
setPlaceholder(target, getPlaceholderDrawable());
}
return;
}
if (deferred) {
if (data.hasSize()) {
throw new IllegalStateException("Fit cannot be used with resize.");
}
int width = target.getWidth();
int height = target.getHeight();
if (width == 0 || height == 0) {
if (setPlaceholder) {
setPlaceholder(target, getPlaceholderDrawable());
}
picasso.defer(target, new DeferredRequestCreator(this, target, callback));
return;
}
data.resize(width, height);
}
Request request = createRequest(started);
String requestKey = createKey(request);
if (shouldReadFromMemoryCache(memoryPolicy)) {
Bitmap bitmap = picasso.quickMemoryCacheCheck(requestKey);
if (bitmap != null) {
picasso.cancelRequest(target);
setBitmap(target, picasso.context, bitmap, MEMORY, noFade, picasso.indicatorsEnabled);
if (picasso.loggingEnabled) {
log(OWNER_MAIN, VERB_COMPLETED, request.plainId(), "from " + MEMORY);
}
if (callback != null) {
callback.onSuccess();
}
return;
}
}
if (setPlaceholder) {
setPlaceholder(target, getPlaceholderDrawable());
}
Action action =
new ImageViewAction(
picasso,
target,
request,
memoryPolicy,
networkPolicy,
errorResId,
errorDrawable,
requestKey,
tag,
callback,
noFade);
picasso.enqueueAndSubmit(action);
}
