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我有自定義列表視圖。在listview中包含200個項目。當我從上到下快速滾動或從底部到頂部列表視圖顯示錯誤的圖像。如果我滾動緩慢,那麼它的工作很好。壁畫:快速滾動時顯示錯誤圖像的列表視圖
SimpleDraweeView在XML:
<com.facebook.drawee.view.SimpleDraweeView
android:id="@+id/fake_image_list_group"
android:layout_width="match_parent"
android:layout_height="@dimen/note_list_item_height"
android:background="@android:color/transparent"
android:contentDescription="@string/app_name" />
設置圖像URI到SimpleDraweeView:
GenericDraweeHierarchy hierarchy = setHierarchyForDraweeView(mImageView, 300);
hierarchy.setPlaceholderImage(new AsyncColorDrawable(context.getResources()));
hierarchy.setFailureImage(mContext.getResources().getDrawable(R.drawable.broken_image_black));
ImageRequest imageRequest = ImageRequestBuilder.newBuilderWithSource(Uri.fromFile(new File(mPath/*local path*/)))
.setResizeOptions(new ResizeOptions(width, height))
.setLocalThumbnailPreviewsEnabled(true)
.build();
DraweeController draweeController = Fresco.newDraweeControllerBuilder()
.setImageRequest(imageRequest)
.setOldController(mImageView.getController())
.setAutoPlayAnimations(false)
.build();
mImageView.setController(draweeController);
SetHierarchyForDraweeView功能:
private GenericDraweeHierarchy setHierarchyForDraweeView(SimpleDraweeView draweeView, int duration) {
if (draweeView != null) {
if (draweeView.getHierarchy() == null) {
GenericDraweeHierarchyBuilder builder = new GenericDraweeHierarchyBuilder(mContext.getResources());
GenericDraweeHierarchy hierarchy = builder
.setFadeDuration(duration)
.setPlaceholderImage(new AsyncColorDrawable(mContext.getResources()))
.setFailureImage(mContext.getResources().getDrawable(R.drawable.broken_image_black))
.build();
draweeView.setHierarchy(hierarchy);
} else {
GenericDraweeHierarchy hierarchy = draweeView.getHierarchy();
hierarchy.setFadeDuration(duration);
return hierarchy;
}
}
return null;
}
AsyncColorDrawable類:
private class AsyncColorDrawable extends ColorDrawable {
public AsyncColorDrawable(Resources res) {
super(res.getColor(R.color.application_container_background_color));
}
}
如果我沒有做錯任何事,請看着辦吧。感謝您的提前。
現在我正在使用壁畫庫。如果我正在使用其他庫,它的工作正常。爲什麼它發生在這個圖書館? – Karun