xref: /frameworks/support/frameworks/support/samples/Support7Demos/src/main/java/com/example/android/supportv7/widget/PagerRecyclerViewActivity.java

/*
 * Copyright (C) 2016 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.example.android.supportv7.widget;

import android.os.Bundle;
import android.view.ViewGroup;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.PagerSnapHelper;
import androidx.recyclerview.widget.RecyclerView;

import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;

/**
 * Example activity that uses LinearLayoutManager, RecyclerView, and PagerSnapHelper.
 */
public class PagerRecyclerViewActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        final RecyclerView rv = new RecyclerView(this);
        final LinearLayoutManager manager =
                new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
        rv.setLayoutManager(manager);
        rv.setHasFixedSize(true);
        rv.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.MATCH_PARENT));
        rv.setAdapter(new SimpleStringAdapter(this, Cheeses.sCheeseStrings) {
            @Override
            public RecyclerView.LayoutParams getLayoutParams() {
                return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                        ViewGroup.LayoutParams.MATCH_PARENT);
            }
        });
        PagerSnapHelper snapHelper = new PagerSnapHelper();
        snapHelper.attachToRecyclerView(rv);
        setContentView(rv);
    }
}