这是我的适配器问题是滚动listview来改变textview值，每个位置如何解决它？加上单击事件以将一个和减号事件递增到decrment并在textview中设置值（加上点击数量+ 1，减去点击数量 - 1）。
public class CustomListViewDrycleaning extends BaseAdapter {
ArrayList<ProductModel> myList = new ArrayList<ProductModel>();
LayoutInflater inflater;
Context context;
int loader = R.drawable.loader;
int minteger = 0;
private ImageLoadingListener animateFirstListener = new AnimateFirstDisplayListener();
String rem, b;
private DisplayImageOptions options;
ProductModel currentListData;
String cid, qcount;
public CustomListViewDrycleaning(Context context, ArrayList<ProductModel> list) {
this.myList = list;
this.context = context;
inflater = LayoutInflater.from(context);
options = new DisplayImageOptions.Builder().showImageOnLoading(R.drawable.ic_launcher) .showImageForEmptyUri(R.drawable.ic_launcher).showImageOnFail(R.drawable.ic_launcher) .cacheInMemory(true).cacheOnDisk(true).considerExifParams(true).build();
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return myList.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return myList.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public int getViewTypeCount() {
return 1;
}
@Override
public int getItemViewType(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
final MyViewHolder mViewHolder;
if (convertView == null) {
convertView = inflater.inflate(R.layout.customproductlistdrycleaning, parent, false);
mViewHolder = new MyViewHolder(convertView);
convertView.setTag(mViewHolder);
} else {
mViewHolder = (MyViewHolder) convertView.getTag();
}
currentListData = myList.get(position);
mViewHolder.btndropdown.setTag(currentListData.getCategoryId());
mViewHolder.name.setText(currentListData.getName());
mViewHolder.prize.setText("$" + currentListData.getCharge());
mViewHolder.name.setTag(currentListData.getCategoryId());
mViewHolder.plus.setTag(currentListData.getCategoryId());
mViewHolder.minus.setTag(currentListData.getCategoryId());
String img_path = currentListData.getImage();
ImageLoader.getInstance().displayImage(img_path, mViewHolder.imgbucket, options, animateFirstListener);
String servicecheck1 = currentListData.getServiceId1();
String servicecheck2 = currentListData.getServiceId2();
String servicecheck3 = currentListData.getServiceId3();
if (servicecheck1 == null) {
mViewHolder.btndropdown.setVisibility(View.GONE);
} else {
mViewHolder.btndropdown.setVisibility(View.VISIBLE);
}
mViewHolder.btndropdown.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mViewHolder.lnrbelowdry.setVisibility(View.VISIBLE);
mViewHolder.btndropdown.setVisibility(View.GONE);
mViewHolder.btndropdown1.setVisibility(View.VISIBLE);
}
});
mViewHolder.btndropdown1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mViewHolder.lnrbelowdry.setVisibility(View.GONE);
mViewHolder.btndropdown.setVisibility(View.VISIBLE);
mViewHolder.btndropdown1.setVisibility(View.GONE);
}
});
if (servicecheck1 == null) {
mViewHolder.btndropdown.setVisibility(View.GONE);
mViewHolder.lnrproduct1.setVisibility(View.GONE);
} else {
mViewHolder.btndropdown.setVisibility(View.VISIBLE);
mViewHolder.lnrproduct1.setVisibility(View.VISIBLE);
mViewHolder.checkBox1.setText(currentListData.getServiceName1());
mViewHolder.txtproductprize1.setText("$" + currentListData.getServiceCharge1());
}
if (servicecheck2 == null) {
mViewHolder.lnrproduct2.setVisibility(View.GONE);
} else {
mViewHolder.lnrproduct2.setVisibility(View.VISIBLE);
mViewHolder.checkBox2.setText(currentListData.getServiceName2());
mViewHolder.txtproductprize2.setText("$" + currentListData.getServiceCharge2());
}
if (servicecheck3 == null) {
mViewHolder.lnrproduct3.setVisibility(View.GONE);
} else {
mViewHolder.lnrproduct3.setVisibility(View.VISIBLE);
mViewHolder.checkBox3.setText(currentListData.getServiceName3());
mViewHolder.txtproductprize3.setText("$" + currentListData.getServiceCharge3());
}
qcount = currentListData.getQuantity();
mViewHolder.plus.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Utils.COUNTCARTALIST.add(mViewHolder.name.getTag() + "");
int quantityyp = 0;
for (int m = 0; m < Utils.qtylist.size(); m++) {
String ii = mViewHolder.plus.getTag() + "";
Log.e("", "@ii" + ii);
if (mViewHolder.plus.getTag().equals(Utils.qtylist.get(m).get("categoryId"))) {
Toast.makeText(context, "Match", Toast.LENGTH_SHORT).show();
rem = Utils.qtylist.get(m).get("categoryId");
b = Utils.qtylist.get(m).get("quantity");
quantityyp = Integer.parseInt(b) + 1;
String c = Integer.toString(quantityyp);
mViewHolder.strcount.setText(c);
Utils.qtylist.remove(m);
HashMap<String, String> hashmaplus = new HashMap<String, String>();
hashmaplus.put("categoryId", rem);
hashmaplus.put("quantity", c);
Utils.qtylist.add(hashmaplus);
Log.e("", "@Utils.qtylistadd" + Utils.qtylist);
break;
}
}
}
});
mViewHolder.minus.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Utils.COUNTCARTALIST.remove(mViewHolder.name.getTag() + "");
int quantityym = 0;
for (int m = 0; m < Utils.qtylist.size(); m++) {
String ii = mViewHolder.minus.getTag() + "";
Log.e("", "@iiminus" + ii);
if (mViewHolder.minus.getTag().equals(Utils.qtylist.get(m).get("categoryId"))) {
rem = Utils.qtylist.get(m).get("categoryId");
b = Utils.qtylist.get(m).get("quantity");
Log.e("", "@QQQ" + b);
Log.e("", "@rem" + rem);
if (b.equals("0")) {
} else {
quantityym = Integer.parseInt(b) - 1;
String c = Integer.toString(quantityym);
mViewHolder.strcount.setText(c);
Utils.qtylist.remove(m);
HashMap<String, String> hashmapminus = new HashMap<String, String>();
hashmapminus.put("categoryId", rem);
hashmapminus.put("quantity", c);
Utils.qtylist.add(hashmapminus);
break;
}
}
}
}
});
return convertView;
}
private class MyViewHolder {
TextView name, prize, strcount, txtproductprize1, txtproductprize2, txtproductprize3;
Button cart, plus, minus, btndropdown, btndropdown1;
ImageView imgbucket;
LinearLayout lnrbelowdry, lnrproduct1, lnrproduct2, lnrproduct3;
CheckBox checkBox1, checkBox2, checkBox3;
public MyViewHolder(View item) {
name = (TextView) item.findViewById(R.id.txtproductname);
prize = (TextView) item.findViewById(R.id.txtprize);
strcount = (TextView) item.findViewById(R.id.txtcount);
imgbucket = (ImageView) item.findViewById(R.id.imgbucket);
plus = (Button) item.findViewById(R.id.btnplus);
minus = (Button) item.findViewById(R.id.btnminus);
btndropdown = (Button) item.findViewById(R.id.btndropdown);
btndropdown1 = (Button) item.findViewById(R.id.btndropdown1);
lnrbelowdry = (LinearLayout) item.findViewById(R.id.lnrbelowdry);
lnrproduct1 = (LinearLayout) item.findViewById(R.id.lnrproduct1);
lnrproduct2 = (LinearLayout) item.findViewById(R.id.lnrproduct2);
lnrproduct3 = (LinearLayout) item.findViewById(R.id.lnrproduct3);
checkBox1 = (CheckBox) item.findViewById(R.id.checkBox1);
checkBox2 = (CheckBox) item.findViewById(R.id.checkBox2);
checkBox3 = (CheckBox) item.findViewById(R.id.checkBox3);
txtproductprize1 = (TextView) item.findViewById(R.id.txtproductprize1);
txtproductprize2 = (TextView) item.findViewById(R.id.txtproductprize2);
txtproductprize3 = (TextView) item.findViewById(R.id.txtproductprize3);
}
}
private static class AnimateFirstDisplayListener extends SimpleImageLoadingListener {
static final List<String> displayedImages = Collections.synchronizedList(new LinkedList<String>());
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
if (loadedImage != null) {
ImageView imageView = (ImageView) view;
boolean firstDisplay = !displayedImages.contains(imageUri);
if (firstDisplay) {
FadeInBitmapDisplayer.animate(imageView, 500);
displayedImages.add(imageUri);
}
}
}
}
}
答案 0 :(得分：0)
您为每一行返回相同的ID。试试这个：
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}