1/*
2 * Copyright (C) 2017 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.wear.app;
18
19import android.app.Activity;
20import android.os.Bundle;
21import android.support.v7.widget.RecyclerView;
22import android.support.wear.widget.WearableLinearLayoutManager;
23import android.support.wear.widget.WearableRecyclerView;
24import android.view.ViewGroup;
25import android.widget.TextView;
26
27import com.example.android.support.wear.R;
28
29/**
30 * Main activity for the WearableRecyclerView demo.
31 */
32public class SimpleWearableRecyclerViewDemo extends Activity {
33
34    @Override
35    protected void onCreate(Bundle savedInstanceState) {
36        super.onCreate(savedInstanceState);
37        setContentView(R.layout.wrv_demo);
38
39        WearableRecyclerView wrv = findViewById(R.id.wrv_container);
40
41        wrv.setLayoutManager(new WearableLinearLayoutManager(this));
42        wrv.setAdapter(new DemoAdapter());
43        wrv.setCircularScrollingGestureEnabled(true);
44        wrv.setEdgeItemsCenteringEnabled(true);
45    }
46
47    private class ViewHolder extends RecyclerView.ViewHolder {
48        TextView mView;
49        ViewHolder(TextView itemView) {
50            super(itemView);
51            mView = itemView;
52        }
53    }
54
55    private class DemoAdapter extends WearableRecyclerView.Adapter<ViewHolder> {
56        private static final int ITEM_COUNT = 100;
57
58        @Override
59        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
60            TextView view = new TextView(parent.getContext());
61            return new ViewHolder(view);
62        }
63
64        @Override
65        public void onBindViewHolder(ViewHolder holder, int position) {
66            holder.mView.setText("Holder at position " + position);
67            holder.mView.setTag(position);
68        }
69
70
71        @Override
72        public int getItemCount() {
73            return ITEM_COUNT;
74        }
75    }
76}
77