DetailsFragment.java revision 181c8847d5a1169e26755ed690131333b7fff7e9 
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 */
14package com.example.android.leanback;
15
16import android.content.Context;
17import android.content.Intent;
18import android.os.Bundle;
19import android.os.Handler;
20import android.support.v17.leanback.widget.Action;
21import android.support.v17.leanback.widget.ArrayObjectAdapter;
22import android.support.v17.leanback.widget.ClassPresenterSelector;
23import android.support.v17.leanback.widget.DetailsOverviewRow;
24import android.support.v17.leanback.widget.DetailsOverviewRowPresenter;
25import android.support.v17.leanback.widget.HeaderItem;
26import android.support.v17.leanback.widget.ImageCardView;
27import android.support.v17.leanback.widget.ListRow;
28import android.support.v17.leanback.widget.ListRowPresenter;
29import android.support.v17.leanback.widget.OnActionClickedListener;
30import android.support.v17.leanback.widget.OnItemViewClickedListener;
31import android.support.v17.leanback.widget.OnItemViewSelectedListener;
32import android.support.v17.leanback.widget.Presenter;
33import android.support.v17.leanback.widget.Row;
34import android.support.v17.leanback.widget.RowPresenter;
35import android.support.v17.leanback.widget.SparseArrayObjectAdapter;
36import android.support.v4.app.ActivityOptionsCompat;
37import android.support.v4.content.res.ResourcesCompat;
38import android.util.Log;
39import android.view.View;
40import android.widget.Toast;
41
42public class DetailsFragment extends android.support.v17.leanback.app.DetailsFragment {
43    private static final String TAG = "leanback.DetailsFragment";
44    private static final String ITEM = "item";
45
46    private static final int NUM_ROWS = 3;
47    private ArrayObjectAdapter mRowsAdapter;
48    private PhotoItem mPhotoItem;
49    final CardPresenter cardPresenter = new CardPresenter();
50    private BackgroundHelper mBackgroundHelper;
51
52    private static final int ACTION_PLAY = 1;
53    private static final int ACTION_RENT = 2;
54    private static final int ACTION_BUY = 3;
55
56    private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true;
57    private static final boolean TEST_ENTRANCE_TRANSITION = true;
58
59    private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000;
60    private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000;
61
62    private Action mActionPlay;
63    private Action mActionRent;
64    private Action mActionBuy;
65
66    @Override
67    public void onCreate(Bundle savedInstanceState) {
68        Log.i(TAG, "onCreate");
69        super.onCreate(savedInstanceState);
70
71        mBackgroundHelper = new BackgroundHelper(getActivity());
72        mBackgroundHelper.attachToWindow();
73
74        Context context = getActivity();
75        setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(),
76                R.drawable.ic_title, context.getTheme()));
77        setTitle("Leanback Sample App");
78        setOnSearchClickedListener(new View.OnClickListener() {
79            @Override
80            public void onClick(View view) {
81                Intent intent = new Intent(getActivity(), SearchActivity.class);
82                startActivity(intent);
83            }
84        });
85
86        mActionPlay = new Action(ACTION_PLAY, "Play");
87        mActionRent = new Action(ACTION_RENT, "Rent", "$3.99", ResourcesCompat.getDrawable(
88                context.getResources(), R.drawable.ic_action_a, context.getTheme()));
89        mActionBuy = new Action(ACTION_BUY, "Buy $9.99");
90
91        ClassPresenterSelector ps = new ClassPresenterSelector();
92        @SuppressWarnings("deprecation")
93        DetailsOverviewRowPresenter dorPresenter =
94                new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter());
95        dorPresenter.setOnActionClickedListener(new OnActionClickedListener() {
96            @Override
97            public void onActionClicked(Action action) {
98                final Context context = getActivity();
99                Toast.makeText(context, action.toString(), Toast.LENGTH_SHORT).show();
100                DetailsOverviewRow dor = (DetailsOverviewRow) mRowsAdapter.get(0);
101                if (action.getId() == ACTION_BUY) {
102                    // on the UI thread, we can modify actions adapter directly
103                    SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
104                            dor.getActionsAdapter();
105                    actions.set(ACTION_PLAY, mActionPlay);
106                    actions.clear(ACTION_RENT);
107                    actions.clear(ACTION_BUY);
108                    dor.setItem(mPhotoItem.getTitle() + "(Owned)");
109                    dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
110                            R.drawable.details_img_16x9, context.getTheme()));
111                } else if (action.getId() == ACTION_RENT) {
112                    // on the UI thread, we can modify actions adapter directly
113                    SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
114                            dor.getActionsAdapter();
115                    actions.set(ACTION_PLAY, mActionPlay);
116                    actions.clear(ACTION_RENT);
117                    dor.setItem(mPhotoItem.getTitle() + "(Rented)");
118                } else if (action.getId() == ACTION_PLAY) {
119                    Intent intent = new Intent(context, PlaybackOverlayActivity.class);
120                    getActivity().startActivity(intent);
121                }
122            }
123        });
124
125        ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter);
126        ps.addClassPresenter(ListRow.class, new ListRowPresenter());
127
128        mRowsAdapter = new ArrayObjectAdapter(ps);
129
130        PhotoItem item = (PhotoItem) (savedInstanceState != null ?
131                savedInstanceState.getParcelable(ITEM) : null);
132        if (item != null) {
133            setItem(item);
134        }
135
136        setOnItemViewClickedListener(new OnItemViewClickedListener() {
137            @Override
138            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
139                    RowPresenter.ViewHolder rowViewHolder, Row row) {
140                Log.i(TAG, "onItemClicked: " + item + " row " + row);
141                if (item instanceof PhotoItem){
142                    Intent intent = new Intent(getActivity(), DetailsActivity.class);
143                    intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item);
144
145                    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
146                            getActivity(),
147                            ((ImageCardView)itemViewHolder.view).getMainImageView(),
148                            DetailsActivity.SHARED_ELEMENT_NAME).toBundle();
149                    getActivity().startActivity(intent, bundle);
150                }
151            }
152        });
153        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
154            @Override
155            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
156                    RowPresenter.ViewHolder rowViewHolder, Row row) {
157                Log.i(TAG, "onItemSelected: " + item + " row " + row);
158            }
159        });
160
161        if (TEST_SHARED_ELEMENT_TRANSITION) {
162            dorPresenter.setSharedElementEnterTransition(getActivity(),
163                    DetailsActivity.SHARED_ELEMENT_NAME);
164        }
165        if (TEST_ENTRANCE_TRANSITION) {
166            // don't run entrance transition if Activity is restored.
167            if (savedInstanceState == null) {
168                prepareEntranceTransition();
169            }
170        }
171    }
172
173
174    @Override
175    public void onSaveInstanceState(Bundle outState) {
176        super.onSaveInstanceState(outState);
177        outState.putParcelable(ITEM, mPhotoItem);
178    }
179
180    public void setItem(PhotoItem photoItem) {
181        mPhotoItem = photoItem;
182
183        mRowsAdapter.clear();
184        new Handler().postDelayed(new Runnable() {
185            public void run() {
186                final Context context = getActivity();
187                DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle());
188                dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
189                        mPhotoItem.getImageResourceId(), context.getTheme()));
190                SparseArrayObjectAdapter adapter = new SparseArrayObjectAdapter();
191                adapter.set(ACTION_RENT, mActionRent);
192                adapter.set(ACTION_BUY, mActionBuy);
193                dor.setActionsAdapter(adapter);
194                mRowsAdapter.add(0, dor);
195                setSelectedPosition(0, false);
196            }
197        }, TIME_TO_LOAD_OVERVIEW_ROW_MS);
198
199        new Handler().postDelayed(new Runnable() {
200            public void run() {
201                for (int i = 0; i < NUM_ROWS; ++i) {
202                    ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
203                    listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
204                    listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
205                    listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
206                    listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
207                    HeaderItem header = new HeaderItem(i, "Row " + i);
208                    mRowsAdapter.add(new ListRow(header, listRowAdapter));
209                }
210                if (TEST_ENTRANCE_TRANSITION) {
211                    startEntranceTransition();
212                }
213            }
214        }, TIME_TO_LOAD_RELATED_ROWS_MS);
215        setAdapter(mRowsAdapter);
216    }
217
218    @Override
219    public void onStart() {
220        super.onStart();
221        if (mPhotoItem != null) {
222            mBackgroundHelper.setBackground(mPhotoItem.getImageResourceId());
223        }
224    }
225}
226