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.view.ViewGroup;
22import android.widget.TextView;
23
24import androidx.recyclerview.widget.RecyclerView;
25import androidx.wear.widget.WearableLinearLayoutManager;
26import androidx.wear.widget.WearableRecyclerView;
27
28import com.example.android.support.wear.R;
29
30/**
31 * Main activity for the WearableRecyclerView demo.
32 */
33public class SimpleWearableRecyclerViewDemo extends Activity {
34
35    @Override
36    protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38        setContentView(R.layout.wrv_demo);
39
40        WearableRecyclerView wrv = findViewById(R.id.wrv_container);
41
42        wrv.setLayoutManager(new WearableLinearLayoutManager(this));
43        wrv.setAdapter(new DemoAdapter());
44        wrv.setCircularScrollingGestureEnabled(true);
45        wrv.setEdgeItemsCenteringEnabled(true);
46    }
47
48    private class ViewHolder extends RecyclerView.ViewHolder {
49        TextView mView;
50        ViewHolder(TextView itemView) {
51            super(itemView);
52            mView = itemView;
53        }
54    }
55
56    private class DemoAdapter extends WearableRecyclerView.Adapter<ViewHolder> {
57        private static final int ITEM_COUNT = 100;
58
59        @Override
60        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
61            TextView view = new TextView(parent.getContext());
62            return new ViewHolder(view);
63        }
64
65        @Override
66        public void onBindViewHolder(ViewHolder holder, int position) {
67            holder.mView.setText("Holder at position " + position);
68            holder.mView.setTag(position);
69        }
70
71
72        @Override
73        public int getItemCount() {
74            return ITEM_COUNT;
75        }
76    }
77}
78