1/* 2 * Copyright (C) 2016 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.supportv7.widget; 18 19import android.os.Bundle; 20import android.view.ViewGroup; 21 22import androidx.appcompat.app.AppCompatActivity; 23import androidx.recyclerview.widget.LinearLayoutManager; 24import androidx.recyclerview.widget.PagerSnapHelper; 25import androidx.recyclerview.widget.RecyclerView; 26 27import com.example.android.supportv7.Cheeses; 28import com.example.android.supportv7.widget.adapter.SimpleStringAdapter; 29 30/** 31 * Example activity that uses LinearLayoutManager, RecyclerView, and PagerSnapHelper. 32 */ 33public class PagerRecyclerViewActivity extends AppCompatActivity { 34 @Override 35 protected void onCreate(Bundle savedInstanceState) { 36 super.onCreate(savedInstanceState); 37 38 final RecyclerView rv = new RecyclerView(this); 39 final LinearLayoutManager manager = 40 new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false); 41 rv.setLayoutManager(manager); 42 rv.setHasFixedSize(true); 43 rv.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 44 ViewGroup.LayoutParams.MATCH_PARENT)); 45 rv.setAdapter(new SimpleStringAdapter(this, Cheeses.sCheeseStrings) { 46 @Override 47 public RecyclerView.LayoutParams getLayoutParams() { 48 return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 49 ViewGroup.LayoutParams.MATCH_PARENT); 50 } 51 }); 52 PagerSnapHelper snapHelper = new PagerSnapHelper(); 53 snapHelper.attachToRecyclerView(rv); 54 setContentView(rv); 55 } 56} 57