Android 单击后在自定义listview中修改textview值

此listview有一个适配器，该适配器链接到每行的布局（itemrow.xml）

价格值（500-250 300）是文本视图

我们如何访问它，修改它，一旦点击一个按钮

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public class CommandeAdapter extends BaseAdapter implements OnClickListener {
private Context context;

private List<Commande> listCommande;

public CommandeAdapter(Context context, List<Commande> listCommande) {
    this.context = context;
    this.listCommande = listCommande;
}

public int getCount() {
    return listCommande.size();
}

public Object getItem(int position) {
    return listCommande.get(position);
}

public long getItemId(int position) {
    return position;
}

public View getView(int position, View convertView, ViewGroup viewGroup) {
    Commande entry = listCommande.get(position);
    if (convertView == null) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.listitem_row, null);
    }
    TextView tvNom = (TextView) convertView.findViewById(R.id.textView1);
    tvNom.setText(entry.getNom());

    TextView tvPrixU = (TextView) convertView.findViewById(R.id.textView2);
    tvPrixU.setText(entry.getPrixU());

    TextView tvqte = (TextView) convertView.findViewById(R.id.textView4);
    tvqte.setText(entry.getQte());

    TextView tvSomme = (TextView) convertView.findViewById(R.id.textView5);
    tvSomme.setText(String.format("%.03f", entry.getSomme()));

    return convertView;
}

@Override
public void onClick(View view) {
    Commande entry = (Commande) view.getTag();
    listCommande.remove(entry);
    // listCommande.remove(view.getId());
    notifyDataSetChanged();

}

private void showDialog(Commande entry) {
    // Create and show your dialog
    // Depending on the Dialogs button clicks delete it or do nothing
}

安卓

价格：500

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public class CommandeAdapter extends BaseAdapter implements OnClickListener {
private Context context;

private List<Commande> listCommande;

public CommandeAdapter(Context context, List<Commande> listCommande) {
    this.context = context;
    this.listCommande = listCommande;
}

public int getCount() {
    return listCommande.size();
}

public Object getItem(int position) {
    return listCommande.get(position);
}

public long getItemId(int position) {
    return position;
}

public View getView(int position, View convertView, ViewGroup viewGroup) {
    Commande entry = listCommande.get(position);
    if (convertView == null) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.listitem_row, null);
    }
    TextView tvNom = (TextView) convertView.findViewById(R.id.textView1);
    tvNom.setText(entry.getNom());

    TextView tvPrixU = (TextView) convertView.findViewById(R.id.textView2);
    tvPrixU.setText(entry.getPrixU());

    TextView tvqte = (TextView) convertView.findViewById(R.id.textView4);
    tvqte.setText(entry.getQte());

    TextView tvSomme = (TextView) convertView.findViewById(R.id.textView5);
    tvSomme.setText(String.format("%.03f", entry.getSomme()));

    return convertView;
}

@Override
public void onClick(View view) {
    Commande entry = (Commande) view.getTag();
    listCommande.remove(entry);
    // listCommande.remove(view.getId());
    notifyDataSetChanged();

}

private void showDialog(Commande entry) {
    // Create and show your dialog
    // Depending on the Dialogs button clicks delete it or do nothing
}

Php

售价：250

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public class CommandeAdapter extends BaseAdapter implements OnClickListener {
private Context context;

private List<Commande> listCommande;

public CommandeAdapter(Context context, List<Commande> listCommande) {
    this.context = context;
    this.listCommande = listCommande;
}

public int getCount() {
    return listCommande.size();
}

public Object getItem(int position) {
    return listCommande.get(position);
}

public long getItemId(int position) {
    return position;
}

public View getView(int position, View convertView, ViewGroup viewGroup) {
    Commande entry = listCommande.get(position);
    if (convertView == null) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.listitem_row, null);
    }
    TextView tvNom = (TextView) convertView.findViewById(R.id.textView1);
    tvNom.setText(entry.getNom());

    TextView tvPrixU = (TextView) convertView.findViewById(R.id.textView2);
    tvPrixU.setText(entry.getPrixU());

    TextView tvqte = (TextView) convertView.findViewById(R.id.textView4);
    tvqte.setText(entry.getQte());

    TextView tvSomme = (TextView) convertView.findViewById(R.id.textView5);
    tvSomme.setText(String.format("%.03f", entry.getSomme()));

    return convertView;
}

@Override
public void onClick(View view) {
    Commande entry = (Commande) view.getTag();
    listCommande.remove(entry);
    // listCommande.remove(view.getId());
    notifyDataSetChanged();

}

private void showDialog(Commande entry) {
    // Create and show your dialog
    // Depending on the Dialogs button clicks delete it or do nothing
}

C++

价格：300

llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

public class CommandeAdapter extends BaseAdapter implements OnClickListener {
private Context context;

private List<Commande> listCommande;

public CommandeAdapter(Context context, List<Commande> listCommande) {
    this.context = context;
    this.listCommande = listCommande;
}

public int getCount() {
    return listCommande.size();
}

public Object getItem(int position) {
    return listCommande.get(position);
}

public long getItemId(int position) {
    return position;
}

public View getView(int position, View convertView, ViewGroup viewGroup) {
    Commande entry = listCommande.get(position);
    if (convertView == null) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.listitem_row, null);
    }
    TextView tvNom = (TextView) convertView.findViewById(R.id.textView1);
    tvNom.setText(entry.getNom());

    TextView tvPrixU = (TextView) convertView.findViewById(R.id.textView2);
    tvPrixU.setText(entry.getPrixU());

    TextView tvqte = (TextView) convertView.findViewById(R.id.textView4);
    tvqte.setText(entry.getQte());

    TextView tvSomme = (TextView) convertView.findViewById(R.id.textView5);
    tvSomme.setText(String.format("%.03f", entry.getSomme()));

    return convertView;
}

@Override
public void onClick(View view) {
    Commande entry = (Commande) view.getTag();
    listCommande.remove(entry);
    // listCommande.remove(view.getId());
    notifyDataSetChanged();

}

private void showDialog(Commande entry) {
    // Create and show your dialog
    // Depending on the Dialogs button clicks delete it or do nothing
}

公共类CommandeApter扩展BaseAdapter实现OnClickListener{
私人语境；
私有列表命令；
公共命令dapter（上下文上下文，列表命令）{
this.context=上下文；
this.listCommande=listCommande；
}
public int getCount（）{
返回listCommande.size（）；
}
公共对象getItem（int位置）{
返回listCommande.get（位置）；
}
公共长getItemId（int位置）{
返回位置；
}
公共视图getView（int位置、视图转换视图、视图组视图组）{
Commande entry=listCommande.get（位置）；
if（convertView==null）{
LayoutFlater充气器=（LayoutFlater）上下文
.getSystemService（上下文布局\充气机\服务）；
convertView=充气机。充气（R.layout.listitem_行，空）；
}
TextView tvNom=（TextView）convertView.findViewById（R.id.textView1）；
setText（entry.getNom（））；
TextView tvPrixU=（TextView）convertView.findViewById（R.id.textView2）；
setText（entry.getPrixU（））；
TextView tvqte=（TextView）convertView.findViewById（R.id.textView4）；
setText（entry.getQte（））；
TextView-tvsome=（TextView）convertView.findViewById（R.id.textView5）；
setText（String.format（“%.03f”，entry.getSomme（））；
返回视图；
}
@凌驾
公共void onClick（视图）{
Commande entry=（Commande）view.getTag（）；
删除（条目）；
//remove（view.getId（））；
notifyDataSetChanged（）；
}
私有void显示对话框（命令条目）{
//创建并显示对话框
//根据对话框按钮，单击“删除”或“不执行任何操作”
}

---

}

是的，可以通过覆盖自定义适配器的getView（）函数更新textview上的内容。在这里发布adpater、itemrow.xml和主xml。