RecyclerViewTest.java

/*
 * Copyright (C) 2016 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.android.talkbacktests.testsession;

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

import com.android.talkbacktests.R;

public class RecyclerViewTest extends BaseTestContent {

    private RecyclerView mRecyclerView;
    private RecyclerView.Adapter mAdapter;
    private RecyclerView.LayoutManager mLayoutManager;

    public RecyclerViewTest(Context context, String subtitle, String description) {
        super(context, subtitle, description);
    }

    @Override
    public View getView(final LayoutInflater inflater, ViewGroup container, Context context) {
        View view = inflater.inflate(R.layout.test_recycler_view, container, false);

        mRecyclerView = (RecyclerView) view.findViewById(R.id.recyclerview);
        mRecyclerView.setHasFixedSize(true);

        mLayoutManager = new LinearLayoutManager(context);
        mRecyclerView.setLayoutManager(mLayoutManager);

        mAdapter = new MyAdapter(context.getResources().getStringArray(R.array.city_array));

        mRecyclerView.setAdapter(mAdapter);
        return view;
    }


    private static final class MyAdapter extends RecyclerView.Adapter<ViewHolder> {
        private String[] mDataset;

        public MyAdapter(String[] myDataset) {
            mDataset = myDataset;
        }

        @Override
        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            View v = LayoutInflater.from(parent.getContext())
                    .inflate(android.R.layout.simple_list_item_1, parent, false);
            ViewHolder vh = new ViewHolder((TextView) v);

            return vh;
        }

        @Override
        public void onBindViewHolder(ViewHolder holder, int position) {
            holder.textView.setText(mDataset[position]);
        }

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

    private static final class ViewHolder extends RecyclerView.ViewHolder {
        public TextView textView;

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