我想要的图像加载到ImageButton
在适配器,这有时不工作...我有4个条目的适配器,有时,按钮图像只是加载2倍而不是4倍。 始终只在第一次创建适配器...屏幕旋转左右之后的,一切正常。但在第一显示器上,它不能正常工作...
具有4行的适配器调用2次准备和加载仅在第一个创造两次...
以下是我的适配器的getView
:
@Override
public View getView(final int position, View convertView, ViewGroup parent)
{
if (convertView == null)
convertView = LayoutInflater.from(getContext()).inflate(R.layout.row_link, parent, false);
convertView.setTag(R.id.tag_pos, position);
ImageView iconRow = ViewHolder.get(convertView, R.id.icon);
final ImageButton btOpen = ViewHolder.get(convertView, R.id.btOpen);
// this NEVER fails
PicassoTools.getPicasso().load(item.getIconResId()).into(iconRow);
// this sometimes (at the first start) does not work reliable
PicassoTools.getPicasso().load(isAutoLinked ? R.drawable.linked : R.drawable.unlinked).into(new Target()
{
@Override
public void onPrepareLoad(Drawable d)
{
L.d(this, "BUTTON PREPARE");
}
@Override
public void onBitmapLoaded(Bitmap b, LoadedFrom loadedFrom)
{
L.d(this, "BUTTON LOADED");
btLink.setImageBitmap(b);
}
@Override
public void onBitmapFailed(Drawable d)
{
L.d(this, "BUTTON FAILED");
btLink.setImageBitmap(null);
}
});
return convertView;
}
我PicassoTools功能(我在这个班,一些额外的功能):
public static Picasso getPicasso()
{
if (picasso == null)
picasso = new Picasso.Builder(MainApp.getAppContext()).memoryCache(getCache()).build();
return picasso;
}