EndlessAdapter.java

package com.survivingwithandroid.endlessadapter;

/*
 * Copyright (C) 2012 Surviving with Android (http://www.survivingwithandroid.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

public class EndlessAdapter extends ArrayAdapter<String> {
	
	private List<String> itemList;
	private Context ctx;
	private int layoutId;
	
	public EndlessAdapter(Context ctx, List<String> itemList, int layoutId) {
		super(ctx, layoutId, itemList);
		this.itemList = itemList;
		this.ctx = ctx;
		this.layoutId = layoutId;
	}

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

	@Override
	public String getItem(int position) {		
		return itemList.get(position);
	}

	@Override
	public long getItemId(int position) {		
		return itemList.get(position).hashCode();
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		View result = convertView;
		
		if (result == null) {
			LayoutInflater inflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			result = inflater.inflate(layoutId, parent, false);
		}
		
		// We should use class holder pattern
		TextView tv = (TextView) result.findViewById(R.id.txt1);
		tv.setText(itemList.get(position));
		
		return result;

	}
	

	

}