1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 package com.example.android.leanback; 15 16 import android.content.Intent; 17 import android.os.Bundle; 18 import android.support.v4.app.ActivityOptionsCompat; 19 import android.support.v17.leanback.widget.ArrayObjectAdapter; 20 import android.support.v17.leanback.widget.HeaderItem; 21 import android.support.v17.leanback.widget.ImageCardView; 22 import android.support.v17.leanback.widget.ListRow; 23 import android.support.v17.leanback.widget.ListRowPresenter; 24 import android.support.v17.leanback.widget.OnItemViewClickedListener; 25 import android.support.v17.leanback.widget.OnItemViewSelectedListener; 26 import android.support.v17.leanback.widget.Presenter; 27 import android.support.v17.leanback.widget.Row; 28 import android.support.v17.leanback.widget.RowPresenter; 29 import android.util.Log; 30 import android.view.View; 31 import android.view.ViewGroup; 32 33 public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragment { 34 private static final String TAG = "leanback.BrowseFragment"; 35 36 private static final int NUM_ROWS = 10; 37 private ArrayObjectAdapter mRowsAdapter; 38 39 @Override onCreate(Bundle savedInstanceState)40 public void onCreate(Bundle savedInstanceState) { 41 Log.i(TAG, "onCreate"); 42 super.onCreate(savedInstanceState); 43 44 setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title)); 45 setTitle("Leanback Sample App"); 46 setHeadersState(HEADERS_ENABLED); 47 48 setOnSearchClickedListener(new View.OnClickListener() { 49 @Override 50 public void onClick(View view) { 51 Intent intent = new Intent(getActivity(), SearchActivity.class); 52 startActivity(intent); 53 } 54 }); 55 56 setupRows(); 57 setOnItemViewClickedListener(new ItemViewClickedListener()); 58 setOnItemViewSelectedListener(new OnItemViewSelectedListener() { 59 @Override 60 public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, 61 RowPresenter.ViewHolder rowViewHolder, Row row) { 62 Log.i(TAG, "onItemSelected: " + item + " row " + row); 63 } 64 }); 65 } 66 setupRows()67 private void setupRows() { 68 ListRowPresenter lrp = new ListRowPresenter(); 69 lrp.setRowHeight(CardPresenter.getRowHeight(getActivity())); 70 lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity())); 71 72 mRowsAdapter = new ArrayObjectAdapter(lrp); 73 74 // For good performance, it's important to use a single instance of 75 // a card presenter for all rows using that presenter. 76 final CardPresenter cardPresenter = new CardPresenter(); 77 78 for (int i = 0; i < NUM_ROWS; ++i) { 79 ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter); 80 listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); 81 listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2)); 82 listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3)); 83 listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4)); 84 listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5)); 85 listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_6)); 86 listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_7)); 87 listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_8)); 88 HeaderItem header = new HeaderItem(i, "Row " + i, null); 89 mRowsAdapter.add(new ListRow(header, listRowAdapter)); 90 } 91 92 setAdapter(mRowsAdapter); 93 } 94 95 private final class ItemViewClickedListener implements OnItemViewClickedListener { 96 @Override onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row)97 public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 98 RowPresenter.ViewHolder rowViewHolder, Row row) { 99 Intent intent = new Intent(getActivity(), DetailsActivity.class); 100 intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); 101 102 Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 103 getActivity(), 104 ((ImageCardView)itemViewHolder.view).getMainImageView(), 105 DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 106 getActivity().startActivity(intent, bundle); 107 } 108 } 109 } 110