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 
17 package androidx.wear.widget;
18 
19 import android.app.Activity;
20 import android.os.Bundle;
21 import android.view.ViewGroup;
22 import android.widget.TextView;
23 
24 import androidx.recyclerview.widget.RecyclerView;
25 import androidx.wear.test.R;
26 
27 public class WearableRecyclerViewTestActivity extends Activity {
28     @Override
onCreate(Bundle savedInstanceState)29     protected void onCreate(Bundle savedInstanceState) {
30         super.onCreate(savedInstanceState);
31         setContentView(R.layout.wearable_recycler_view_basic);
32         WearableRecyclerView wrv = findViewById(R.id.wrv);
33         wrv.setLayoutManager(new WearableLinearLayoutManager(this));
34         wrv.setAdapter(new TestAdapter());
35     }
36 
37     private class ViewHolder extends RecyclerView.ViewHolder {
38         TextView mView;
ViewHolder(TextView itemView)39         ViewHolder(TextView itemView) {
40             super(itemView);
41             mView = itemView;
42         }
43     }
44 
45     private class TestAdapter extends WearableRecyclerView.Adapter<ViewHolder> {
46 
47         @Override
onCreateViewHolder(ViewGroup parent, int viewType)48         public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
49             TextView view = new TextView(parent.getContext());
50             view.setLayoutParams(new RecyclerView.LayoutParams(200, 50));
51             return new ViewHolder(view);
52         }
53 
54         @Override
onBindViewHolder(ViewHolder holder, int position)55         public void onBindViewHolder(ViewHolder holder, int position) {
56             holder.mView.setText("holder at position " + position);
57             holder.mView.setTag(position);
58         }
59 
60         @Override
getItemCount()61         public int getItemCount() {
62             return 100;
63         }
64     }
65 }
66