/* * Copyright (C) 2019 The Android Open Source Project. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.car.themeplayground; import android.os.Bundle; import androidx.recyclerview.widget.LinearLayoutManager; import androidx.recyclerview.widget.RecyclerView; import java.util.ArrayList; /** * Activity that shows RecyclerView example with placeholder data. */ public class RecyclerViewSamples extends AbstractSampleActivity { private static final int DATA_TO_GENERATE = 15; private final ArrayList mData = new ArrayList<>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Utils.onActivityCreateSetTheme(this); setContentView(R.layout.recycler_view_samples); RecyclerView recyclerView = findViewById(R.id.list); recyclerView.setLayoutManager(new LinearLayoutManager(this)); RecyclerViewAdapter adapter = new RecyclerViewAdapter(generatePlaceholderData()); recyclerView.setAdapter(adapter); } private ArrayList generatePlaceholderData() { for (int i = 0; i <= DATA_TO_GENERATE; i++) { mData.add("data" + i); } return mData; } }