1f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu/* 2f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * Copyright (C) 2014 The Android Open Source Project 3f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * 4f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * in compliance with the License. You may obtain a copy of the License at 6f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * 7f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * http://www.apache.org/licenses/LICENSE-2.0 8f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * 9f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * Unless required by applicable law or agreed to in writing, software distributed under the License 10f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * or implied. See the License for the specific language governing permissions and limitations under 12f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu * the License. 13f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu */ 14f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gupackage com.example.android.leanback; 15f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 16f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.content.Intent; 17f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.os.Bundle; 18f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.ArrayObjectAdapter; 19f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.HeaderItem; 20f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.ImageCardView; 21f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.ListRow; 22f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.ListRowPresenter; 23f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.OnItemViewClickedListener; 24f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.OnItemViewSelectedListener; 25f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.Presenter; 26f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.Row; 27f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.support.v17.leanback.widget.RowPresenter; 28c632bd20d83c175e76ee109e50d844cefce2a2ccAlan Viveretteimport android.support.v17.leanback.widget.TitleHelper; 29c632bd20d83c175e76ee109e50d844cefce2a2ccAlan Viveretteimport android.support.v4.app.ActivityOptionsCompat; 30f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Guimport android.util.Log; 31f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 32f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gupublic class RowsFragment extends android.support.v17.leanback.app.RowsFragment { 33f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 34f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private static final String TAG = "leanback.RowsFragment"; 35f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 36f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private static final int NUM_ROWS = 10; 37005084f6f0860a69c80492d3549a687ffb283c40Craig Stout // Row heights default to wrap content 38005084f6f0860a69c80492d3549a687ffb283c40Craig Stout private static final boolean USE_FIXED_ROW_HEIGHT = false; 39005084f6f0860a69c80492d3549a687ffb283c40Craig Stout 40f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private ArrayObjectAdapter mRowsAdapter; 418cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout private TitleHelper mTitleHelper; 428cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout 438cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout public void setTitleHelper(TitleHelper titleHelper) { 448cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout mTitleHelper = titleHelper; 458cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout } 46f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 47f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 48f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onCreate(Bundle savedInstanceState) { 49f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Log.i(TAG, "onCreate"); 50f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu super.onCreate(savedInstanceState); 51f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 52f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setupRows(); 53f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setOnItemViewClickedListener(new ItemViewClickedListener()); 54f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setOnItemViewSelectedListener(new OnItemViewSelectedListener() { 55f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 56f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, 57f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu RowPresenter.ViewHolder rowViewHolder, Row row) { 58f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Log.i(TAG, "onItemSelected: " + item + " row " + row); 598cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout if (mTitleHelper != null) { 608cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout mTitleHelper.showTitle(getAdapter() == null || getAdapter().size() == 0 || 618cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout getAdapter().get(0) == row); 62f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 63f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 64f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu }); 65f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 66f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 67f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private void setupRows() { 68f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ListRowPresenter lrp = new ListRowPresenter(); 69005084f6f0860a69c80492d3549a687ffb283c40Craig Stout 7087b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu // For good performance, it's important to use a single instance of 7187b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu // a card presenter for all rows using that presenter. 7287b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu final CardPresenter cardPresenter = new CardPresenter(); 7387b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu 74005084f6f0860a69c80492d3549a687ffb283c40Craig Stout if (USE_FIXED_ROW_HEIGHT) { 7587b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu lrp.setRowHeight(cardPresenter.getRowHeight(getActivity())); 7687b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity())); 77005084f6f0860a69c80492d3549a687ffb283c40Craig Stout } 78f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 79f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu mRowsAdapter = new ArrayObjectAdapter(lrp); 80f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 81f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu for (int i = 0; i < NUM_ROWS; ++i) { 82f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter); 83f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); 84f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2)); 85f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3)); 86f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4)); 87f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5)); 88f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_6)); 89f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_7)); 90f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_8)); 91f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu HeaderItem header = new HeaderItem(i, "Row " + i); 92f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu mRowsAdapter.add(new ListRow(header, listRowAdapter)); 93f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 94f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 95f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setAdapter(mRowsAdapter); 96f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 97f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 98f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private final class ItemViewClickedListener implements OnItemViewClickedListener { 99f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 100f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 101f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu RowPresenter.ViewHolder rowViewHolder, Row row) { 102f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Intent intent = new Intent(getActivity(), DetailsActivity.class); 103f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); 104f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 105f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 106f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu getActivity(), 107f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ((ImageCardView)itemViewHolder.view).getMainImageView(), 108f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 109f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu getActivity().startActivity(intent, bundle); 110f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 111f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 112f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu} 113