Listを使う抽象ListAdapter

AbstractListAdapter.java

import java.util.List;

import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

public abstract class AbstractListAdapter<T, V extends View> extends BaseAdapter {
	private List<T> list = Collections.emptyList();

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

	@Override
	public T getItem(int position) {
		return list.get(position);
	}

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

	@SuppressWarnings("unchecked")
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		V view = convertView == null ? createView() : (V) convertView;

		T item = getItem(position);
		if (item != null) {
			bind(view, item, position);
		}

		return view;
	}

	protected abstract V createView();

	protected abstract void bind(V view, T item, int position);

	public List<T> getList() {
		return list;
	}

	public void setList(List<T> list) {
		this.list = list;
	}
}