Question

因为它重复了TextView的产品计数器;我有以下情况：

用户选择产品，然后应用数量。
从活动而不是从适配器我显示所选产品的数量，如图所示。

一切都很完美，直到屏幕下方和计数器神奇地传递给另一个产品，我已经通过建议实施了这些方法：

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

@Override
public int getItemViewType(int position)
{
    return position;
}

仍然我仍然遇到此错误。我也尝试从适配器修改计数器，但同样的事情发生。我希望该计数器保持固定状态，而不是在屏幕下更新。

适配器：

   public class ProductoAdapter extends BaseAdapter
   {
    private Activity activity;
    private LayoutInflater inflater;
    private ArrayList<Producto> listadoProductos;
    private ArrayList<Producto> productosPedidos;

    Producto producto;

    Empresas pedido;

    public final int TYPE_NOTICIA=0;
    public final int TYPE_LOAD=1;
    private gestionSharedPreferences sharedPreferences;
    private Context context;
/*
    OnLoadMoreListener loadMoreListener;
*/
    boolean isLoading=false, isMoreDataAvailable=true;
    vars vars;
    public static int contador;

    public static int i;
    public static int contadorGeneral;
    private NumberFormat numberFormat;
    ImageLoader imageLoader = ControllerSingleton.getInstance().getImageLoader();

    public ProductoAdapter(Activity activity, ArrayList<Producto> listadoProductos)
    {
        this.activity=activity;
        this.listadoProductos=listadoProductos;
        productosPedidos=new ArrayList<Producto>();
        vars=new vars();
        sharedPreferences=new gestionSharedPreferences(this.activity);
        contador=0;
        contadorGeneral=0;
        producto=new Producto();

       /* LocalBroadcastManager.getInstance(context).registerReceiver(mMessageReceiver,
                new IntentFilter("custom-message"));*/
    }

  /*  public BroadcastReceiver mMessageReceiver = new BroadcastReceiver()
    {
        @Override
        public void onReceive(Context context, Intent intent)
        {
            // Get extra data included in the Intent
            producto = (Producto) intent.getSerializableExtra("producto");
            Toast.makeText(context, producto.getNombreProducto()+producto.getNumeroDeProducto() ,Toast.LENGTH_SHORT).show();
        }
    };*/


    @Override
    public int getCount()
    {
        return listadoProductos.size();
    }

    @Override
    public Producto getItem(int position)
    {
        return listadoProductos.get(position);
    }

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

    @Override
    public int getItemViewType(int position)
    {
        return position;
    }

    @Override
    public View getView(int position, View view, ViewGroup viewGroup)
    {
        numberFormat = NumberFormat.getNumberInstance(Locale.GERMAN);

        if (view == null)
        {
            LayoutInflater inflater = (LayoutInflater) activity
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            view = inflater.inflate(R.layout.producto_row_layout, viewGroup, false);

            Log.i("martin","null");
        }
        else
        {
            Log.i("martin","llenoooooooooo");
        }
        final Producto producto = getItem(position);

        ImageView imagenProducto = (ImageView) view.findViewById(R.id.imagenProducto);

        TextView nombreProducto = (TextView) view.findViewById(R.id.nombreProducto);
        TextView cantidadProducto = (TextView) view.findViewById(R.id.cantidadProducto);
        TextView precioGeneralProducto = (TextView) view.findViewById(R.id.precioGeneralProducto);
        TextView precioPideProducto = (TextView) view.findViewById(R.id.precioPideProducto);
        TextView ahorroProducto = (TextView) view.findViewById(R.id.ahorroProducto);



        if (producto.getImagenProducto().toString().equals("http://fasttrackcenter.com/pide/app/"))
        {
            imagenProducto.setImageResource(R.drawable.ic_not_image_found);
        }

        else
        {
            Glide.with(activity).
                    load(producto.getImagenProducto().toString()).
                    thumbnail(0.5f).into(imagenProducto);
        }

        nombreProducto.setText(producto.getNombreProducto()+" x "+producto.getCantidadProducto()+" "+producto.getUnidadProducto());

        //cantidadProducto.setText(producto.getCantidadProducto());
        precioGeneralProducto.setText("$"+numberFormat.format(Double.parseDouble(producto.getPrecioGeneralProducto())));
        precioGeneralProducto.setPaintFlags(precioGeneralProducto.getPaintFlags()| Paint.STRIKE_THRU_TEXT_FLAG);
        precioPideProducto.setText("$"+numberFormat.format(Double.parseDouble(producto.getPrecioPideProducto())));
        int valorahorro=(Integer.parseInt(producto.getPrecioGeneralProducto()))-(Integer.parseInt(producto.getPrecioPideProducto()));
        ahorroProducto.setText(""+"$"+numberFormat.format(Double.parseDouble(""+valorahorro)));

        return view;
    }

}

的活动：

我使用TextView作为最初不可见的计数器，但是当它被选中时，它会随着所选产品的数量而可见。

从活动中我使用这种方法：

 @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id)
    {
        Producto producto = (Producto) parent.getItemAtPosition(position);

        final View contadorImagenProductoBolsa = Pedidos.this.findViewById(R.id.contadorProductoImagenBolsa);
        TextView test1TextView = (TextView) view.findViewById(R.id.contadorProductoImagenBolsa);


        mostrarDialogoDetalle(test1TextView,position,producto.getIdProducto(),producto.getImagenProducto(), producto.getNombreProducto(),
                producto.getCantidadProducto(),producto.getUnidadProducto(), producto.getPrecioGeneralProducto(),producto.getPrecioPideProducto(),
                producto.getAhorroProducto());

    }

有人有过这种情况吗？他们是如何解决的？

这里很完美，但是当我走到屏幕下面并且我回头看时，请注意另一种产品莫名其妙地发生在另一种产品上：

如果是不正确的适配器或活动，我需要有效的帮助和可能的代码段。

谢谢。

Answer 1

我认为您必须为ProductoAdapter添加ViewHolder，如：

find -type f -iname "file*" -exec awk 'function check(array,val,count){ ##Using find command to get only the files in a directory, using exec passing their values to awk too.From here awk code starts, creating a function named check here, which will have parameters array,val and count to be passed into it, whenever a call is being made to it.
        if(length(array)==count){                    ##Checking here if length of array is equal to variable count, if yes then do following action.
           system("echo cp " val " destination_path")##Using awks system function here by which we could execute shell commands in awk script, so I have written here echo to only check purposes initially, it will print copy command if any files al lines are matching to Input_file file, if OP is happy with it OP should remove echo then.
}
}
FNR==NR{                                             ##FNR==NR condition will be only TRUE when very first file named Input_file is being read.
  a[$0];                                             ##creating an array named a whose index is current line.
  next                                               ##using next keyword will skip all further statements.
}
val!=FILENAME{                                       ##checking here when variable val is not having same value as current file name then perform following actions.
  check(a,val,count)                                 ##calling check function with passing arguments of array a,val,count.
}
FNR==1{                                              ##Checking if FNR==1, which will be true whenever a new files first line is being read.
  val=FILENAME;                                      ##creating variable named val whose value is current Input_file filename.
  count=total="";                                    ##Nullifying variables count and total now.
  delete b                                           ##Deleting array b here.
}
($1 in a) && !b[$1]++{                               ##Checking if first field of file is in array a and it is not present more than 1 time in array b then do following
  count++                                            ##incrementing variable named count value to 1 each time cursor comes inside here.
}
END{                                                 ##starting awk END block here.
  check(a,val,count)                                 ##Calling function named check with arguments array a,val and count in it.
}
' Input_file {} +                                    ##Mentioning Input_file here

使用setTag和getTag For ViewHolder赞：

class ViewHolder
{
      TextView nombreProducto,cantidadProducto
      ,precioGeneralProducto,precioPideProducto,ahorroProducto;
      ImageView imagenProducto;

public ViewHolder(View view){

     imagenProducto = (ImageView) view.findViewById(R.id.imagenProducto);
     nombreProducto = (TextView) view.findViewById(R.id.nombreProducto);
     cantidadProducto = (TextView) view.findViewById(R.id.cantidadProducto);
     precioGeneralProducto = (TextView) view.findViewById(R.id.precioGeneralProducto);
     precioPideProducto = (TextView) view.findViewById(R.id.precioPideProducto);
     ahorroProducto = (TextView) view.findViewById(R.id.ahorroProducto);


}
}

我希望这对你有帮助

因为使用BaseAdapter在网格视图中重复textview产品计数器

1 个答案: