FilterlessArrayAdapter.java

package de.blau.android.util;

import java.util.List;

import android.content.Context;
import android.support.annotation.NonNull;
import android.widget.ArrayAdapter;
import android.widget.Filter;

/**
 * 
 * Adapted from http://stackoverflow.com/questions/8512762/autocompletetextview-disable-filtering
 *
 * @param <T>
 */
public class FilterlessArrayAdapter<T> extends ArrayAdapter<T> {

	private Filter filter = new NoFilter();
	private List<T> items;

	@NonNull
	@Override
	public Filter getFilter() {
		return filter;
	}

	public FilterlessArrayAdapter(Context context, int textViewResourceId,
			List<T> objects) {
		super(context, textViewResourceId, objects);
		items = objects;
	}

	private class NoFilter extends Filter {

		@Override
		protected FilterResults performFiltering(CharSequence arg0) {
			FilterResults result = new FilterResults();
			result.values = items;
			result.count = items.size(); 
			return result;
		}

		@Override
		protected void publishResults(CharSequence arg0, FilterResults arg1) {
			notifyDataSetChanged();
		}
	}
}