Ich habe einen ViewHolder in Arrayadapter Klasse, ich möchte klicken Sie Aktion auf bestimmte Element in Listview und müssen Inhalt des Elements auf Favoriticon klicken klicken.Android, wie update particulares Bildansicht in Listview auf Artikel klicken
Ich habe binden Klickaktion in getView Methode:
class ViewHolder
{
public ImageView favoriteicon;
public TextView title;
public TextView time;
public TextView type;
public TextView hidden_value_id;
public TextView hidden_image_name;
public boolean imageset=false;
public ImageView imgView;
public ViewHolder(View base)
{
this.favoriteicon=(ImageView) base.findViewById(R.id.favoriteicon);
this.title = (TextView) base.findViewById(R.id.title);
this.time = (TextView) base.findViewById(R.id.time);
this.type = (TextView) base.findViewById(R.id.type);
this.imgView = (ImageView) base.findViewById(R.id.icon);
this.hidden_value_id = (TextView) base.findViewById(R.id.hidden_value_id);
this.hidden_image_name = (TextView) base.findViewById(R.id.hidden_image_name);
}
}
@Override
public View getView(final int position,View view, final ViewGroup parent) {
final ViewHolder holder;
View rowView=view;
if(rowView==null) {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(context.LAYOUT_INFLATER_SERVICE);
rowView = inflater.inflate(R.layout.new_listview_items, parent, false);
holder = new ViewHolder(rowView);
rowView.setTag(holder);
}
else {
holder=(ViewHolder)rowView.getTag();
}
holder.title.setText(title.get(position));
holder.time.setText(time.get(position));
holder.type.setText(type.get(position));
holder.hidden_value_id.setText(id.get(position));
holder.hidden_image_name.setText(hidden_image_name.get(position));
if(holder.imageset==true)
{
holder.favoriteicon.setImageResource(R.drawable.h);
}
holder.favoriteicon.setOnClickListener(new
View.OnClickListener() {
public void onClick(View b) {
holder.favoriteicon.setImageResource(R.drawable.h);
holder.imageset=true;
notifyDataSetChanged();
}
});
return rowView;
}
Wie bestimmtes Element in Listenansicht auf Artikel klicken zu aktualisieren, wenn ich Position des Elements haben.
rufen Sie notifyDataSetChanged auf? – PedroHawk
ja .. aber kein Erfolg – amrit