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