在一个tab activity中显示一列items。这个listview 在每一行中都有一个按钮。我在
自定义的adapter 类中处理按钮的clickListener事件,这个类继承BaseAdapter类。但是现在我想实现当我点击这个按钮时,item应该从listview 中删除, listview应该刷新一次。
如何实现?
public View getView(final int position, View convertView, ViewGroup parent)
{
ViewHolder holder;
final ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
if(convertView==null)
{
convertView = mInflater.inflate(R.layout.list_item, null);
holder = new ViewHolder();
// holder.appSize = (TextView)convertView.findViewById(R.id.app_size);
holder.appName = (TextView)convertView.findViewById(R.id.app_name);
holder.app_icon = (ImageView)convertView.findViewById(R.id.app_icon);
holder.button = (Button)convertView.findViewById(R.id.uninstall);
if(kill_OR_uninstall)
{
holder.button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_DELETE);
intent.setData(Uri.parse("package:"+package_names.get(position)));
context.startActivity(intent);
}
});
}
else
{
holder.button.setText("End");
holder.button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
am.restartPackage(package_names.get(position));
}
});
}
convertView.setTag(holder);
}
else
{
holder = (ViewHolder) convertView.getTag();
}
holder.appName.setText((String)app_details.get(position).get(APP_NAME));
holder.app_icon.setImageDrawable((Drawable)app_details.get(position).get(APP_ICON));
// holder.appSize.setText(app_details.get(position).get(APP_SIZE)+ " KB");
return convertView;
}