에이치의 모바일 앱 개발

/**
 * Created by lsh on 2016-08-17.
 * version 1.0.1
 */
public class CustomAdapter extends BaseAdapter {

    private Context context;
    private int resourceId;
    private ArrayList<DBColumn> arrayList;
    private LayoutInflater inflater;

    private class ViewHolder {
        LinearLayout layout;
        TextView bssid;
        TextView latitude;
        TextView longitude;
        TextView ssid;
        TextView level;
    }

    private void findView(View  convertView, ViewHolder viewHolder) {
        viewHolder.layout = (LinearLayout) convertView.findViewById(R.id.layout_wifi_listparent);
        viewHolder.bssid = (TextView) convertView.findViewById(R.id.txt_bssid);
        viewHolder.latitude = (TextView) convertView.findViewById(R.id.txt_latitude);
        viewHolder.longitude = (TextView) convertView.findViewById(R.id.txt_longitude);
        viewHolder.ssid = (TextView) convertView.findViewById(R.id.txt_ssid);
        viewHolder.level = (TextView) convertView.findViewById(R.id.txt_level);
    }

    private void listItem(int position, ViewHolder viewHolder) {
        viewHolder.bssid.setText(arrayList.get(position).getBssid());
        viewHolder.latitude.setText(String.valueOf(arrayList.get(position).getLatitude()));
        viewHolder.longitude.setText(String.valueOf(arrayList.get(position).getLongitude()));
        viewHolder.ssid.setText(arrayList.get(position).getSsid());
        viewHolder.level.setText(String.valueOf(arrayList.get(position).getLevel()));
    }

    /**
     * @param context    : 컨텍스트
     * @param resourceId : 보여줄 레이아웃
     * @param arrayList  : 보여줄 데이터를 갖고있는 배열
     */
    public CustomAdapter(Context context, int resourceId, ArrayList<DBColumn> arrayList) {
        this.context = context;
        this.resourceId = resourceId;
        this.arrayList = arrayList;
    }

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

    @Override
    public Object getItem(int position) {
        return arrayList.get(position);
    }

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

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder;
        if (convertView == null) {
            inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(resourceId, parent, false);

            viewHolder = new ViewHolder();
            findView(convertView, viewHolder);

            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }

        listItem(position ,viewHolder);

        return convertView;
    }
}