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 408cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout private TitleHelper mTitleHelper; 418cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout 428cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout public void setTitleHelper(TitleHelper titleHelper) { 438cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout mTitleHelper = titleHelper; 448cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout } 45f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 46f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 47f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onCreate(Bundle savedInstanceState) { 48f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Log.i(TAG, "onCreate"); 49f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu super.onCreate(savedInstanceState); 50f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 51f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setupRows(); 52f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setOnItemViewClickedListener(new ItemViewClickedListener()); 53f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu setOnItemViewSelectedListener(new OnItemViewSelectedListener() { 54f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 55f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, 56f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu RowPresenter.ViewHolder rowViewHolder, Row row) { 57f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Log.i(TAG, "onItemSelected: " + item + " row " + row); 588cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout if (mTitleHelper != null) { 598cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout mTitleHelper.showTitle(getAdapter() == null || getAdapter().size() == 0 || 608cef5c8d58f50d5baca1da44a7c19f623cbf98ecCraig Stout getAdapter().get(0) == row); 61f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 62f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 63f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu }); 64f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 65f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 66f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private void setupRows() { 67f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ListRowPresenter lrp = new ListRowPresenter(); 68005084f6f0860a69c80492d3549a687ffb283c40Craig Stout 6987b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu // For good performance, it's important to use a single instance of 7087b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu // a card presenter for all rows using that presenter. 7187b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu final CardPresenter cardPresenter = new CardPresenter(); 7287b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu 73005084f6f0860a69c80492d3549a687ffb283c40Craig Stout if (USE_FIXED_ROW_HEIGHT) { 7487b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu lrp.setRowHeight(cardPresenter.getRowHeight(getActivity())); 7587b904ffa106f12f2fecfe8b9a46084863678f29Dake Gu lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity())); 76005084f6f0860a69c80492d3549a687ffb283c40Craig Stout } 77f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 78b7087e036a48f5a3db28d02ff7f9b97fbbc46c4fDake Gu ArrayObjectAdapter rowsAdapter = new ArrayObjectAdapter(lrp); 79f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 80f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu for (int i = 0; i < NUM_ROWS; ++i) { 81f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter); 82f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); 83f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2)); 84f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3)); 85f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4)); 86f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5)); 87f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_6)); 88f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_7)); 89f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_8)); 90f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu HeaderItem header = new HeaderItem(i, "Row " + i); 91b7087e036a48f5a3db28d02ff7f9b97fbbc46c4fDake Gu rowsAdapter.add(new ListRow(header, listRowAdapter)); 92f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 93f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 94b7087e036a48f5a3db28d02ff7f9b97fbbc46c4fDake Gu setAdapter(rowsAdapter); 95f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 96f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 97f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu private final class ItemViewClickedListener implements OnItemViewClickedListener { 98f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu @Override 99f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 100f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu RowPresenter.ViewHolder rowViewHolder, Row row) { 101f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Intent intent = new Intent(getActivity(), DetailsActivity.class); 102f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); 103f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu 104f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 105f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu getActivity(), 106f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu ((ImageCardView)itemViewHolder.view).getMainImageView(), 107f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 108f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu getActivity().startActivity(intent, bundle); 109f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 110f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu } 111f4b2f81cf278d3f08d60feefee139b532db3ce01Dake Gu} 112