滚动列表视图上的微调器值更改

时间:2016-08-12 11:00:24

标签: android

Image

滚动列表视图中的微调器值更改,例如,如果我从旋转器的第一个位置选择“不正常”,然后向下滚动并返回到顶部,则微调器值自动出现在零位置意味着正常。这是我的Adapter类,列表视图中的数据是动态的(变化的)。

以下代码:

public CustomAdapter(Context context, int resource,
            ArrayList<CustomerDetails> objects) {
        super(context, resource, objects);
        vi = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        Resource = resource;
        list = objects;
    }

    public View getView(final int modelPosition, View convertView,
            ViewGroup parent) {

        View v = convertView;
        if (v == null) {
            holder = new ViewHolder();
            v = vi.inflate(Resource, null);

            java.util.List<String> options = new java.util.ArrayList<String>();

            options.add("Ok");
            options.add("Not Ok");
            options.add("Not Recieved");

            holder.spinner1 = (Spinner) v.findViewById(R.id.spinner1);
            holder.name = (TextView) v.findViewById(R.id.name);

            ArrayAdapter<String> adapter = new ArrayAdapter<String>(
                    getContext(), android.R.layout.simple_spinner_item,
                    options);
            adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
            holder.spinner1.setAdapter(adapter);                 

            if (myMap.containsKey(modelPosition)) {
                holder.spinner1.setSelection(myMap.get(modelPosition));
            }

            holder.spinner1.setTag(modelPosition);
            holder.spinner1
                    .setOnItemSelectedListener(new OnItemSelectedListener() {
                        @Override
                        public void onItemSelected(AdapterView<?> parent,
                                View view, int position, long id) {
                            myMap.put(modelPosition, position);

                            if (position == 1) {

                                Status_fos = parent.getItemAtPosition(
                                        position).toString();

                                db.updateMobileStatus(mobile_fos,
                                        Status_fos);

                            }
                            if (position == 2) {                         
                                Status_fos = parent.getItemAtPosition(
                                        position).toString();

                                db.updateMobileStatus(mobile_fos,
                                        Status_fos);
                            }
                            if (position == 3) {     
                                Status_fos = parent.getItemAtPosition(
                                        position).toString();

                                db.updateMobileStatus(mobile_fos,
                                        Status_fos);
                            }

                        }

                        @Override
                        public void onNothingSelected(AdapterView<?> parent) {
                            // TODO Auto-generated method stub

                        }
                    });
            v.setTag(holder);
        } else {
            holder = (ViewHolder) v.getTag();
        }

        holder.name.setText(list.get(modelPosition).getMobile());
        mobile_fos = list.get(modelPosition)
                .getMobile();

        return v;
    }

    class ViewHolder {

        public Spinner spinner1;
        public TextView name;
        public TextView cid;

    }
}

1 个答案:

答案 0 :(得分:0)

读这个。它会对你有所帮助。 Click Me

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