Question

当我的TextView事件触发时，我正在尝试更新我的onItenClick，我有几个TextView，它们在我的行模板中创建了我想要的数量，但这里出现问题，当我尝试设置这个TextView值，它实际上是设置的，但另一个textview，也设置了相同的值，我知道这个行为的原因，但不知道如何解决它。

我的想法：

我的getRowView方法（当我滚动列表时），我看到了不寻常的行为，一旦我为我的其中一个设定了一些价值，它不断更改获得此值的文本视图。所以我想这是问题的核心。

PS：我正在使用组件HeaderListView，如果你得到另一个框架建议来做同样的事情，我真的很感激。

PS2：这是我的代码：

import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

import br.com.soutsapp.souts.R;
import br.com.soutsapp.souts.model.Menu;
import br.com.soutsapp.souts.model.Product;
import br.com.soutsapp.souts.model.modelview.OrderItem;
import br.com.soutsapp.souts.userInterface.activity.SectionAdapter;
import br.com.soutsapp.souts.userInterface.adapter.HeaderListView;

public class MenuFragment extends Fragment {
private Context mContext;
private List<OrderItem> itens;

private Menu menu;
public MenuFragment() {
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {

    View v = inflater.inflate(R.layout.fragment_menu, container, false);
    mContext = getContext();

    itens = new ArrayList<>();
    menu = new Menu();

    final String[] sec1 = {"aaaaaaaa","aaaaaaaa","aaaaaaaa","aaaaaaaa","aaaaaaaa","aaaaaaaa","aaaaaaaa"};
    final String[] sec2 = {"bbbbbbbb","bbbbbbbb","bbbbbbbb","bbbbbbbb","bbbbbbbb","bbbbbbbb","bbbbbbbb"};
    final String[] sec3 = {"cccccccc","cccccccc","cccccccc","cccccccc","cccccccc","cccccccc","cccccccc"};
    final String[] sec4 = {"dddddddd","dddddddd","dddddddd","dddddddd","dddddddd","dddddddd","dddddddd"};

    HeaderListView lv = (HeaderListView) v.findViewById(R.id.lv_menu_items);

    lv.setAdapter(new SectionAdapter() {

        @Override
        public int numberOfSections() {
            return menu.getMenuSessions().size();
        }

        @Override
        public int numberOfRows(int section) {
            return menu.getMenuSessions().get(section).size();
        }

        @Override
        public Object getRowItem(int section, int row) {
            return menu.getMenuSessions().get(section).get(row);
        }

        @Override
        public boolean hasSectionHeaderView(int section) {
            return true;
        }

        @Override
        public View getRowView(int section, int row, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = getActivity().getLayoutInflater().inflate(getResources().getLayout(R.layout.menu_item_row), null);
            }

            //Product product = (Product)getRowItem(section, row);
            //convertView.setId(product.getId());

            TextView tvMenuItemName = (TextView) convertView.findViewById(R.id.tv_menu_item_name);
            TextView tvMenuItemPrice = (TextView) convertView.findViewById(R.id.tv_price);

            String itemName = ((Product)getRowItem(section,row)).getName();
            tvMenuItemName.setText(itemName);

            String itemPrice = String.valueOf(((Product) getRowItem(section, row)).getPrice());
            tvMenuItemPrice.setText(itemPrice);

            final int mySection = section;
            final int myRow = row;

            final TextView tvQuantity = (TextView) convertView.findViewById(R.id.tv_quantity);
            tvQuantity.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Product product = (Product) getRowItem(mySection, myRow);

                    if (tvQuantity.getText().equals("1") && !tvQuantity.getText().equals("")){
                        tvQuantity.setText("");

                        OrderItem itenToRemove = null;
                        for(OrderItem item: itens){
                            if(item.getProductId() == product.getId()){
                                itenToRemove = item;
                                break;
                            }
                        }
                        itens.remove(itenToRemove);
                    }
                    else{

                        for(OrderItem item: itens){
                            if(item.getProductId() == product.getId()){
                                int quantity = item.getQuantity();
                                item.setQuantity(--quantity);
                                tvQuantity.setText(String.valueOf(item.getQuantity()));
                                break;
                            }
                        }
                    }
                }
            });


            return convertView;
        }

        @Override
        public int getSectionHeaderViewTypeCount() {
            return 1;
        }

        @Override
        public int getSectionHeaderItemViewType(int section) {
            return section % 1;
        }

        @Override
        public View getSectionHeaderView(int section, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = (TextView)  getActivity().getLayoutInflater().inflate(getResources().getLayout(android.R.layout.simple_list_item_1), null);
            }

            if (getSectionHeaderItemViewType(section) == 0) {
                ((TextView) convertView).setText("Header for section " + section);
            } else {
                ((TextView) convertView.findViewById(android.R.id.text1)).setText("Header for section " + section);
            }

            switch (section) {
                case 0:
                    convertView.setBackgroundColor(getResources().getColor(R.color.Blue_Jay));
                    break;
                case 1:
                    convertView.setBackgroundColor(getResources().getColor(R.color.Yellow));
                    break;
                case 2:
                    convertView.setBackgroundColor(getResources().getColor(R.color.Red_Wine));
                    break;
            }
            return convertView;
        }

        @Override
        public void onRowItemClick(AdapterView<?> parent, View view, int section, int row, long id) {
            super.onRowItemClick(parent, view, section, row, id);

            //Product p = (Product)view.getTag();

            TextView tvQuantity = (TextView) view.findViewById(R.id.tv_quantity);

            Product p = menu.getMenuSessions().get(section).get(row);
            //Product p = (Product) getRowItem(section, row);

            boolean exist = false;
            for(OrderItem item : itens){
                if(item.getProductId() == p.getId()){
                    int actualQuantity = item.getQuantity();
                    item.setQuantity(++actualQuantity);
                    tvQuantity.setText(String.valueOf(item.getQuantity()));
                    exist = true;
                }
            }
            if(!exist){
                itens.add(new OrderItem(p.getId(), 1));
                tvQuantity.setText("1");
            }
        }
    });

    return v;
}

}

在屏幕截图中，我触摸了“Smirnoff剂量”项目，“Smirnoff剂量”和“Água”的文本视图值都发生了变化。

在Header ListView中更新TextView

0 个答案: