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