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Code Issues Projects Releases Wiki Activity

[android] Fix view recycling issue of image previews

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This commit is contained in:
Torsten Grote
2019-05-01 11:58:45 -03:00
parent 9d9bc4ca84
commit cd3174a643
1 changed files with 31 additions and 24 deletions
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55
briar-android/src/main/java/org/briarproject/briar/android/view/ImagePreviewViewHolder.java
View File

@@ -18,6 +18,7 @@ import org.briarproject.briar.R;
import org.briarproject.briar.android.conversation.glide.GlideApp; import org.briarproject.briar.android.conversation.glide.GlideApp;
import static android.view.View.INVISIBLE; import static android.view.View.INVISIBLE;
import static android.view.View.VISIBLE;
import static com.bumptech.glide.load.engine.DiskCacheStrategy.NONE; import static com.bumptech.glide.load.engine.DiskCacheStrategy.NONE;
import static com.bumptech.glide.load.resource.bitmap.DownsampleStrategy.FIT_CENTER; import static com.bumptech.glide.load.resource.bitmap.DownsampleStrategy.FIT_CENTER;
import static com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions.withCrossFade; import static com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions.withCrossFade;
@@ -38,31 +39,37 @@ class ImagePreviewViewHolder extends ViewHolder {
} }
void bind(ImagePreviewItem item) { void bind(ImagePreviewItem item) {
if (item.getItem() == null) return; // shows progress bar if (item.getItem() == null) {
GlideApp.with(imageView) progressBar.setVisibility(VISIBLE);
.load(item.getItem()) GlideApp.with(imageView)
.diskCacheStrategy(NONE) .clear(imageView);
.error(ERROR_RES) } else {
.downsample(FIT_CENTER) GlideApp.with(imageView)
.transition(withCrossFade()) .load(item.getItem())
.addListener(new RequestListener<Drawable>() { .diskCacheStrategy(NONE)
@Override .error(ERROR_RES)
public boolean onLoadFailed(@Nullable GlideException e, .downsample(FIT_CENTER)
Object model, Target<Drawable> target, .transition(withCrossFade())
boolean isFirstResource) { .addListener(new RequestListener<Drawable>() {
progressBar.setVisibility(INVISIBLE); @Override
return false; public boolean onLoadFailed(@Nullable GlideException e,
} Object model, Target<Drawable> target,
boolean isFirstResource) {
progressBar.setVisibility(INVISIBLE);
return false;
}
@Override @Override
public boolean onResourceReady(Drawable resource, public boolean onResourceReady(Drawable resource,
Object model, Target<Drawable> target, Object model, Target<Drawable> target,
DataSource dataSource, boolean isFirstResource) { DataSource dataSource,
progressBar.setVisibility(INVISIBLE); boolean isFirstResource) {
return false; progressBar.setVisibility(INVISIBLE);
} return false;
}) }
.into(imageView); })
.into(imageView);
}
} }
} }