samples/browseable/NavigationDrawer/src/com.example.android.navigationdrawer/PlanetAdapter.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.
 */

package com.example.android.navigationdrawer;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.TextView;

/**
 * Adapter for the planet data used in our drawer menu,
 */
public class PlanetAdapter extends RecyclerView.Adapter<PlanetAdapter.ViewHolder> {
    private String[] mDataset;
    private OnItemClickListener mListener;

    /**
     * Interface for receiving click events from cells.
     */
    public interface OnItemClickListener {
        public void onClick(View view, int position);
    }

    /**
     * Custom viewholder for our planet views.
     */
    public static class ViewHolder extends RecyclerView.ViewHolder {
        public final TextView mTextView;

        public ViewHolder(TextView v) {
            super(v);
            mTextView = v;
        }
    }

    public PlanetAdapter(String[] myDataset, OnItemClickListener listener) {
        mDataset = myDataset;
        mListener = listener;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        LayoutInflater vi = LayoutInflater.from(parent.getContext());
        View v = vi.inflate(R.layout.drawer_list_item, parent, false);
        TextView tv = (TextView) v.findViewById(android.R.id.text1);
        return new ViewHolder(tv);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, final int position) {
        holder.mTextView.setText(mDataset[position]);
        holder.mTextView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mListener.onClick(view, position);
            }
        });
    }

    @Override
    public int getItemCount() {
        return mDataset.length;
    }
}