我有1000个客户从服务器加载自定义列表视图。但是我需要更多的时间来填充listview。我正在使用搜索选项来搜索客户,因此我需要一次性加载和显示所有客户。我无法从本地数据库中显示它,因为我可以在listview中编辑项目单击的详细信息并将其存储在服务器中。任何人都可以帮助我以有效的方式加载自定义列表视图吗?
public class CustomersAdapter extends ArrayAdapter<Item> {
private ArrayList<Item> items;
private LayoutInflater vi;
private Item objItem;
ViewHolderSectionName holderSection;
ViewHolderName holderName;
public CustomersAdapter(Context context, ArrayList<Item> items) {
super(context, 0, items);
this.items = items;
vi = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
objItem = items.get(position);
if (objItem.isSectionItem()) {
SectionHeadersModel si = (SectionHeadersModel) objItem;
if (convertView == null
|| !convertView.getTag().equals(holderSection)) {
convertView = vi.inflate(R.layout.alphabet_separator, null);
holderSection = new ViewHolderSectionName();
convertView.setTag(holderSection);
} else {
holderSection = (ViewHolderSectionName) convertView.getTag();
}
holderSection.section = (TextView) convertView
.findViewById(R.id.alphabet_letter);
holderSection.section.setText(si.getSectionString().toString());
} else {
CustomerListViewModel ei = (CustomerListViewModel) objItem;
if (convertView == null || !convertView.getTag().equals(holderName)) {
convertView = vi.inflate(R.layout.customer_list_item, null);
holderName = new ViewHolderName();
convertView.setTag(holderName);
} else {
holderName = (ViewHolderName) convertView.getTag();
}
holderName.name = (TextView) convertView
.findViewById(R.id.CustomerName);
holderName.email = (TextView) convertView
.findViewById(R.id.CustomerEmail);
holderName.phone = (TextView) convertView
.findViewById(R.id.CustomerPhone);
if (holderName.name != null)
holderName.name.setText(ei.getCustomerName());
holderName.email.setText(ei.getCustomerEmail());
holderName.phone.setText(ei.getCustomerPhone());
}
return convertView;
}
public static class ViewHolderName {
public TextView name;
public TextView email;
public TextView phone;
}
public static class ViewHolderSectionName {
public TextView section;
}
}