1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.example.android.support.design.widget;
18
19import com.example.android.support.design.R;
20
21import android.content.Context;
22import android.graphics.Color;
23import android.support.v7.widget.RecyclerView;
24import android.text.Layout;
25import android.util.TypedValue;
26import android.view.LayoutInflater;
27import android.view.ViewGroup;
28import android.widget.TextView;
29
30import java.util.ArrayList;
31import java.util.Collections;
32
33public class SimpleStringRecyclerViewAdapter
34        extends RecyclerView.Adapter<SimpleStringRecyclerViewAdapter.ViewHolder> {
35
36    private int mBackground;
37
38    private ArrayList<String> mValues;
39
40    public static class ViewHolder extends RecyclerView.ViewHolder {
41        public String mBoundString;
42        public TextView mTextView;
43
44        public ViewHolder(TextView v) {
45            super(v);
46            mTextView = v;
47        }
48
49        @Override
50        public String toString() {
51            return super.toString() + " '" + mTextView.getText();
52        }
53    }
54
55    public String getValueAt(int position) {
56        return mValues.get(position);
57    }
58
59    public SimpleStringRecyclerViewAdapter(Context context, String[] strings) {
60        TypedValue val = new TypedValue();
61        if (context.getTheme() != null) {
62            context.getTheme().resolveAttribute(R.attr.selectableItemBackground, val, true);
63        }
64        mBackground = val.resourceId;
65        mValues = new ArrayList<>();
66        Collections.addAll(mValues, strings);
67    }
68
69    @Override
70    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
71        TextView textView = (TextView) LayoutInflater.from(parent.getContext())
72                .inflate(android.R.layout.simple_list_item_1, parent, false);
73        textView.setBackgroundResource(mBackground);
74        return new ViewHolder(textView);
75    }
76
77    @Override
78    public void onBindViewHolder(ViewHolder holder, int position) {
79        holder.mBoundString = mValues.get(position);
80        holder.mTextView.setText(position + ": " + mValues.get(position));
81    }
82
83    @Override
84    public int getItemCount() {
85        return mValues.size();
86    }
87}
88