ich die Netzadapterklasse Code bin Posting, das ich für das Herunterladen von Bildern aus dem Internet verwendet. Sie müssen ein Rasterlayout mit einem imageview
und zwei textviews
deklarieren. Übergeben Sie die Zeichenfolgenarrays an den Adapter.
@Override
public View getView(final int position, View convertView, ViewGroup parent)
{
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) parent.getContext().getSystemService(activity.LAYOUT_INFLATER_SERVICE);
//LayoutInflater inflator = activity.getLayoutInflater();
if(convertView==null)
{
view = new ViewHolder();
convertView = inflater.inflate(R.layout.grid_layout, null);
view.txtViewTitle = (TextView) convertView.findViewById(R.id.title);
view.txtViewSubTitle = (TextView) convertView.findViewById(R.id.subTitle);
view.imgViewFlag = (ImageView) convertView.findViewById(R.id.imageView1);
convertView.setTag(view);
}
else
{
view = (ViewHolder) convertView.getTag();
}
view.txtViewTitle.setText(listTitle.get(position));
view.txtViewSubTitle.setText(listSubTitle.get(position));
//For Picasso
/* Picasso.with(parent.getContext())
.load("http://www.radioarpan.com/upload_images/138630281911.jpg")
.placeholder(R.mipmap.paceholder)
.error(R.mipmap.error_page_logo)
.noFade().resize(125,165)
.centerCrop()
.into(view.imgViewFlag);*/
ImageLoader imageLoader = ImageLoader.getInstance();
DisplayImageOptions.Builder options = new DisplayImageOptions.Builder().cacheInMemory(true)
.cacheOnDisc(true).resetViewBeforeLoading(true)
.showImageForEmptyUri(R.mipmap.paceholder)
.showImageOnFail(R.mipmap.error_page_logo);
final ProgressBar spinner = new ProgressBar(activity, null, android.R.attr.progressBarStyleSmall);
//download and display image from url
imageLoader.displayImage("http://www.radioarpan.com/upload_images/138630281911.jpg", view.imgViewFlag,new SimpleImageLoadingListener()
{
@Override
public void onLoadingStarted(String imageUri, View view)
{
spinner.setVisibility(View.VISIBLE);
}
@Override
public void onLoadingFailed(String imageUri, View view, FailReason failReason)
{
spinner.setVisibility(View.GONE);
}
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage)
{
spinner.setVisibility(View.GONE);
}
});
Sieht gut aus, danke für die schnelle Antwort! – DiscDev
Danke. Ich verwende es nicht, aber es gab mir die Idee, die ActionBar ProgressBar zu verwenden :) –
@NOSTRA Link ist 404 –