Checkbox adapter

CheckboxAdapter

package com.windhyaworks.adapters;

import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;

import com.windhyaworks.R;
import com.windhyaworks.models.ModelFilterCategories;

public class AdptSearchFilterCategories extends ArrayAdapter<ModelFilterCategories> {

	private Context context;
	List<ModelFilterCategories> mdlLst;

	
	public AdptSearchFilterCategories(Activity context, List<ModelFilterCategories> mdlLst) {
		super(context, R.layout.adpt_searchfilter_category, mdlLst);
		this.context = context;
		this.mdlLst = mdlLst;
	}

	
	static class ViewHolder {
		protected CheckBox chkBxCatId;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {

		
		ViewHolder viewHolder = null;
		if (convertView == null) {
			LayoutInflater mInflater = (LayoutInflater) context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
			convertView = mInflater.inflate(R.layout.adpt_searchfilter_category, null);
			
			viewHolder = new ViewHolder();
			viewHolder.chkBxCatId = (CheckBox) convertView.findViewById(R.id.chkBxCatId);
			viewHolder.chkBxCatId.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
						@Override
						public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
							int getPosition = (Integer) buttonView.getTag();  // Here we get the position that we have set for the checkbox using setTag.
							mdlLst.get(getPosition).setCheckboxState(buttonView.isChecked()); // Set the value of checkbox to maintain its state.
						}
					});
			convertView.setTag(viewHolder);
		} else {
			viewHolder = (ViewHolder) convertView.getTag();
		}
		
		viewHolder.chkBxCatId.setTag(position); // This line is important.
		viewHolder.chkBxCatId.setText(mdlLst.get(position).getCategoryName());
		
		viewHolder.chkBxCatId.setChecked(mdlLst.get(position).isCheckboxState());
		

		return convertView;
	}

}