1// CHECKSTYLE:OFF Generated code
2/* This file is auto-generated from RowsFragment.java.  DO NOT MODIFY. */
3
4/*
5 * Copyright (C) 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
15 * the License.
16 */
17package com.example.android.leanback;
18
19import android.content.Intent;
20import android.os.Bundle;
21import android.util.Log;
22
23import androidx.core.app.ActivityOptionsCompat;
24import androidx.leanback.widget.ArrayObjectAdapter;
25import androidx.leanback.widget.HeaderItem;
26import androidx.leanback.widget.ImageCardView;
27import androidx.leanback.widget.ListRow;
28import androidx.leanback.widget.ListRowPresenter;
29import androidx.leanback.widget.OnItemViewClickedListener;
30import androidx.leanback.widget.OnItemViewSelectedListener;
31import androidx.leanback.widget.Presenter;
32import androidx.leanback.widget.Row;
33import androidx.leanback.widget.RowPresenter;
34import androidx.leanback.widget.TitleHelper;
35
36public class RowsSupportFragment extends androidx.leanback.app.RowsSupportFragment {
37
38    private static final String TAG = "leanback.RowsSupportFragment";
39
40    private static final int NUM_ROWS = 10;
41    // Row heights default to wrap content
42    private static final boolean USE_FIXED_ROW_HEIGHT = false;
43
44    private TitleHelper mTitleHelper;
45
46    public void setTitleHelper(TitleHelper titleHelper) {
47        mTitleHelper = titleHelper;
48    }
49
50    @Override
51    public void onCreate(Bundle savedInstanceState) {
52        Log.i(TAG, "onCreate");
53        super.onCreate(savedInstanceState);
54
55        setupRows();
56        setOnItemViewClickedListener(new ItemViewClickedListener());
57        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
58            @Override
59            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
60                    RowPresenter.ViewHolder rowViewHolder, Row row) {
61                Log.i(TAG, "onItemSelected: " + item + " row " + row);
62                if (mTitleHelper != null) {
63                    mTitleHelper.showTitle(getAdapter() == null || getAdapter().size() == 0 ||
64                            getAdapter().get(0) == row);
65                }
66            }
67        });
68    }
69
70    private void setupRows() {
71        ListRowPresenter lrp = new ListRowPresenter();
72
73        // For good performance, it's important to use a single instance of
74        // a card presenter for all rows using that presenter.
75        final CardPresenter cardPresenter = new CardPresenter();
76
77        if (USE_FIXED_ROW_HEIGHT) {
78            lrp.setRowHeight(cardPresenter.getRowHeight(getActivity()));
79            lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity()));
80        }
81
82        ArrayObjectAdapter rowsAdapter = new ArrayObjectAdapter(lrp);
83
84        for (int i = 0; i < NUM_ROWS; ++i) {
85            ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
86            listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
87            listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
88            listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
89            listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
90            listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5));
91            listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_6));
92            listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_7));
93            listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_8));
94            HeaderItem header = new HeaderItem(i, "Row " + i);
95            rowsAdapter.add(new ListRow(header, listRowAdapter));
96        }
97
98        setAdapter(rowsAdapter);
99    }
100
101    private final class ItemViewClickedListener implements OnItemViewClickedListener {
102        @Override
103        public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
104                RowPresenter.ViewHolder rowViewHolder, Row row) {
105            Intent intent = new Intent(getActivity(), DetailsSupportActivity.class);
106            intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
107
108            Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
109                    getActivity(),
110                    ((ImageCardView)itemViewHolder.view).getMainImageView(),
111                    DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
112            getActivity().startActivity(intent, bundle);
113        }
114    }
115}
116