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.Context; 17 import android.content.Intent; 18 import android.os.Bundle; 19 import android.os.Handler; 20 import android.util.Log; 21 import android.view.View; 22 import android.widget.Toast; 23 24 import androidx.core.app.ActivityOptionsCompat; 25 import androidx.core.content.res.ResourcesCompat; 26 import androidx.leanback.widget.Action; 27 import androidx.leanback.widget.ArrayObjectAdapter; 28 import androidx.leanback.widget.ClassPresenterSelector; 29 import androidx.leanback.widget.DetailsOverviewRow; 30 import androidx.leanback.widget.DetailsOverviewRowPresenter; 31 import androidx.leanback.widget.HeaderItem; 32 import androidx.leanback.widget.ImageCardView; 33 import androidx.leanback.widget.ListRow; 34 import androidx.leanback.widget.ListRowPresenter; 35 import androidx.leanback.widget.OnActionClickedListener; 36 import androidx.leanback.widget.OnItemViewClickedListener; 37 import androidx.leanback.widget.OnItemViewSelectedListener; 38 import androidx.leanback.widget.Presenter; 39 import androidx.leanback.widget.Row; 40 import androidx.leanback.widget.RowPresenter; 41 import androidx.leanback.widget.SparseArrayObjectAdapter; 42 43 import org.jspecify.annotations.NonNull; 44 45 public class DetailsFragment extends androidx.leanback.app.DetailsFragment { 46 private static final String TAG = "leanback.DetailsFragment"; 47 private static final String ITEM = "item"; 48 49 private static final int NUM_ROWS = 3; 50 private ArrayObjectAdapter mRowsAdapter; 51 private PhotoItem mPhotoItem; 52 final CardPresenter cardPresenter = new CardPresenter(); 53 private BackgroundHelper mBackgroundHelper; 54 55 private static final int ACTION_PLAY = 1; 56 private static final int ACTION_RENT = 2; 57 private static final int ACTION_BUY = 3; 58 59 private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true; 60 private static final boolean TEST_ENTRANCE_TRANSITION = true; 61 62 private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000; 63 private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000; 64 65 private Action mActionPlay; 66 private Action mActionRent; 67 private Action mActionBuy; 68 69 @Override onCreate(Bundle savedInstanceState)70 public void onCreate(Bundle savedInstanceState) { 71 Log.i(TAG, "onCreate"); 72 super.onCreate(savedInstanceState); 73 74 mBackgroundHelper = new BackgroundHelper(getActivity()); 75 mBackgroundHelper.attachToWindow(); 76 77 Context context = getActivity(); 78 setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(), 79 R.drawable.ic_title, context.getTheme())); 80 setTitle("Leanback Sample App"); 81 setOnSearchClickedListener(new View.OnClickListener() { 82 @Override 83 public void onClick(View view) { 84 Intent intent = new Intent(getActivity(), SearchActivity.class); 85 startActivity(intent); 86 } 87 }); 88 89 mActionPlay = new Action(ACTION_PLAY, "Play"); 90 mActionRent = new Action(ACTION_RENT, "Rent", "$3.99", ResourcesCompat.getDrawable( 91 context.getResources(), R.drawable.ic_action_a, context.getTheme())); 92 mActionBuy = new Action(ACTION_BUY, "Buy $9.99"); 93 94 ClassPresenterSelector ps = new ClassPresenterSelector(); 95 @SuppressWarnings("deprecation") 96 DetailsOverviewRowPresenter dorPresenter = 97 new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter()); 98 dorPresenter.setOnActionClickedListener(new OnActionClickedListener() { 99 @Override 100 public void onActionClicked(Action action) { 101 final Context context = getActivity(); 102 Toast.makeText(context, action.toString(), Toast.LENGTH_SHORT).show(); 103 DetailsOverviewRow dor = (DetailsOverviewRow) mRowsAdapter.get(0); 104 if (action.getId() == ACTION_BUY) { 105 // on the UI thread, we can modify actions adapter directly 106 SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter) 107 dor.getActionsAdapter(); 108 actions.set(ACTION_PLAY, mActionPlay); 109 actions.clear(ACTION_RENT); 110 actions.clear(ACTION_BUY); 111 dor.setItem(mPhotoItem.getTitle() + "(Owned)"); 112 dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(), 113 R.drawable.details_img_16x9, context.getTheme())); 114 } else if (action.getId() == ACTION_RENT) { 115 // on the UI thread, we can modify actions adapter directly 116 SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter) 117 dor.getActionsAdapter(); 118 actions.set(ACTION_PLAY, mActionPlay); 119 actions.clear(ACTION_RENT); 120 dor.setItem(mPhotoItem.getTitle() + "(Rented)"); 121 } else if (action.getId() == ACTION_PLAY) { 122 Intent intent = new Intent(context, PlaybackActivity.class); 123 getActivity().startActivity(intent); 124 } 125 } 126 }); 127 128 ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter); 129 ps.addClassPresenter(ListRow.class, new ListRowPresenter()); 130 131 mRowsAdapter = new ArrayObjectAdapter(ps); 132 updateAdapter(); 133 134 setOnItemViewClickedListener(new OnItemViewClickedListener() { 135 @Override 136 public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 137 RowPresenter.ViewHolder rowViewHolder, Row row) { 138 Log.i(TAG, "onItemClicked: " + item + " row " + row); 139 if (item instanceof PhotoItem){ 140 Intent intent = new Intent(getActivity(), DetailsActivity.class); 141 intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); 142 143 Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 144 getActivity(), 145 ((ImageCardView)itemViewHolder.view).getMainImageView(), 146 DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 147 getActivity().startActivity(intent, bundle); 148 } 149 } 150 }); 151 setOnItemViewSelectedListener(new OnItemViewSelectedListener() { 152 @Override 153 public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, 154 RowPresenter.ViewHolder rowViewHolder, Row row) { 155 Log.i(TAG, "onItemSelected: " + item + " row " + row); 156 } 157 }); 158 159 if (TEST_SHARED_ELEMENT_TRANSITION) { 160 dorPresenter.setSharedElementEnterTransition(getActivity(), 161 DetailsActivity.SHARED_ELEMENT_NAME); 162 } 163 if (TEST_ENTRANCE_TRANSITION) { 164 // don't run entrance transition if Activity is restored. 165 if (savedInstanceState == null) { 166 prepareEntranceTransition(); 167 } 168 } 169 } 170 171 172 @Override onSaveInstanceState(Bundle outState)173 public void onSaveInstanceState(Bundle outState) { 174 super.onSaveInstanceState(outState); 175 outState.putParcelable(ITEM, mPhotoItem); 176 } 177 setItem(@onNull PhotoItem photoItem)178 public void setItem(@NonNull PhotoItem photoItem) { 179 mPhotoItem = photoItem; 180 updateAdapter(); 181 } 182 updateAdapter()183 void updateAdapter() { 184 if (mRowsAdapter == null) { 185 return; 186 } 187 mRowsAdapter.clear(); 188 new Handler().postDelayed(new Runnable() { 189 @Override 190 public void run() { 191 final Context context = getActivity(); 192 DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle()); 193 dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(), 194 mPhotoItem.getImageResourceId(), context.getTheme())); 195 SparseArrayObjectAdapter adapter = new SparseArrayObjectAdapter(); 196 adapter.set(ACTION_RENT, mActionRent); 197 adapter.set(ACTION_BUY, mActionBuy); 198 dor.setActionsAdapter(adapter); 199 mRowsAdapter.add(0, dor); 200 setSelectedPosition(0, false); 201 } 202 }, TIME_TO_LOAD_OVERVIEW_ROW_MS); 203 204 new Handler().postDelayed(new Runnable() { 205 @Override 206 public void run() { 207 for (int i = 0; i < NUM_ROWS; ++i) { 208 ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter); 209 listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); 210 listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2)); 211 listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3)); 212 listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4)); 213 HeaderItem header = new HeaderItem(i, "Row " + i); 214 mRowsAdapter.add(new ListRow(header, listRowAdapter)); 215 } 216 if (TEST_ENTRANCE_TRANSITION) { 217 startEntranceTransition(); 218 } 219 } 220 }, TIME_TO_LOAD_RELATED_ROWS_MS); 221 setAdapter(mRowsAdapter); 222 } 223 224 @Override onStart()225 public void onStart() { 226 super.onStart(); 227 if (mPhotoItem != null) { 228 mBackgroundHelper.setBackground(mPhotoItem.getImageResourceId()); 229 } 230 } 231 } 232