BrowseSupportFragment.java revision 99e222d5b14544bbb89d402eb704829c642f8abf 
1// CHECKSTYLE:OFF Generated code
2/* This file is auto-generated from BrowseFragment.java.  DO NOT MODIFY. */
3
4/*
5 * Copyright (C) 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
15 * the License.
16 */
17package com.example.android.leanback;
18
19import android.support.v4.app.Fragment;
20import android.content.Intent;
21import android.os.Bundle;
22import android.os.Handler;
23import android.support.v17.leanback.app.GuidedStepSupportFragment;
24import android.support.v17.leanback.app.RowsSupportFragment;
25import android.support.v17.leanback.widget.ArrayObjectAdapter;
26import android.support.v17.leanback.widget.DividerRow;
27import android.support.v17.leanback.widget.HeaderItem;
28import android.support.v17.leanback.widget.ImageCardView;
29import android.support.v17.leanback.widget.ListRow;
30import android.support.v17.leanback.widget.ListRowPresenter;
31import android.support.v17.leanback.widget.OnItemViewClickedListener;
32import android.support.v17.leanback.widget.OnItemViewSelectedListener;
33import android.support.v17.leanback.widget.PageRow;
34import android.support.v17.leanback.widget.Presenter;
35import android.support.v17.leanback.widget.Row;
36import android.support.v17.leanback.widget.RowPresenter;
37import android.support.v17.leanback.widget.SectionRow;
38import android.support.v4.app.ActivityOptionsCompat;
39import android.support.v4.content.res.ResourcesCompat;
40import android.util.Log;
41import android.view.LayoutInflater;
42import android.view.View;
43import android.view.ViewGroup;
44
45public class BrowseSupportFragment extends android.support.v17.leanback.app.BrowseSupportFragment {
46    private static final String TAG = "leanback.BrowseSupportFragment";
47
48    private static final boolean TEST_ENTRANCE_TRANSITION = true;
49    private static final int NUM_ROWS = 8;
50    private static final long HEADER_ID1 = 1001;
51    private static final long HEADER_ID2 = 1002;
52    private static final long HEADER_ID3 = 1003;
53
54    private ArrayObjectAdapter mRowsAdapter;
55    private BackgroundHelper mBackgroundHelper;
56
57    // For good performance, it's important to use a single instance of
58    // a card presenter for all rows using that presenter.
59    final CardPresenter mCardPresenter = new CardPresenter();
60    final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
61
62    public BrowseSupportFragment() {
63        getMainFragmentRegistry().registerFragment(PageRow.class, new PageRowFragmentFactory());
64    }
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        setBadgeDrawable(ResourcesCompat.getDrawable(getActivity().getResources(),
75                R.drawable.ic_title, getActivity().getTheme()));
76        setTitle("Leanback Sample App");
77        setHeadersState(HEADERS_ENABLED);
78        setOnSearchClickedListener(new View.OnClickListener() {
79            @Override
80            public void onClick(View view) {
81                Intent intent = new Intent(getActivity(), SearchSupportActivity.class);
82                startActivity(intent);
83            }
84        });
85
86        setOnItemViewClickedListener(new ItemViewClickedListener());
87        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
88            @Override
89            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
90                    RowPresenter.ViewHolder rowViewHolder, Row row) {
91                Log.i(TAG, "onItemSelected: " + item + " row " + row);
92
93                updateBackgroundToSelection();
94            }
95        });
96        setBrowseTransitionListener(new BrowseTransitionListener() {
97            @Override
98            public void onHeadersTransitionStop(boolean withHeaders) {
99                updateBackgroundToSelection();
100            }
101        });
102        if (TEST_ENTRANCE_TRANSITION) {
103            // don't run entrance transition if fragment is restored.
104            if (savedInstanceState == null) {
105                prepareEntranceTransition();
106            }
107        }
108
109        // simulates in a real world use case  data being loaded two seconds later
110        new Handler().postDelayed(new Runnable() {
111            @Override
112            public void run() {
113                setupRows();
114                loadData();
115                startEntranceTransition();
116            }
117        }, 2000);
118    }
119
120    @Override
121    public void onStart() {
122        super.onStart();
123        updateBackgroundToSelection();
124    }
125
126    void updateBackgroundToSelection() {
127        if (!isShowingHeaders()) {
128            RowPresenter.ViewHolder rowViewHolder = getSelectedRowViewHolder();
129            Object item = rowViewHolder == null ? null : rowViewHolder.getSelectedItem();
130            if (item != null) {
131                mBackgroundHelper.setBackground(((PhotoItem) item).getImageResourceId());
132            } else {
133                mBackgroundHelper.clearDrawable();
134            }
135        } else {
136            mBackgroundHelper.clearDrawable();
137        }
138    }
139
140    @Override
141    public View onCreateView(
142            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
143        return super.onCreateView(inflater, container, savedInstanceState);
144    }
145
146    private void setupRows() {
147        ListRowPresenter listRowPresenter = new ListRowPresenter();
148        listRowPresenter.setNumRows(1);
149        mRowsAdapter = new ArrayObjectAdapter(listRowPresenter);
150    }
151
152    private void loadData() {
153        int i = 0;
154
155        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID1, "Page Row 0")));
156        mRowsAdapter.add(new DividerRow());
157
158        mRowsAdapter.add(new SectionRow(new HeaderItem("section 0")));
159        for (; i < NUM_ROWS; ++i) {
160            HeaderItem headerItem = new HeaderItem(i, "Row " + i);
161            headerItem.setDescription("Description for Row "+i);
162            mRowsAdapter.add(new ListRow(headerItem, createListRowAdapter(i)));
163        }
164
165        mRowsAdapter.add(new DividerRow());
166        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID2, "Page Row 1")));
167
168        mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID3, "Page Row 2")));
169        setAdapter(mRowsAdapter);
170    }
171
172    private ArrayObjectAdapter createListRowAdapter(int i) {
173        ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
174                mCardPresenter : mCardPresenter2);
175        listRowAdapter.add(new PhotoItem(
176                "Hello world",
177                R.drawable.gallery_photo_1));
178        listRowAdapter.add(new PhotoItem(
179                "This is a test",
180                "Only a test",
181                R.drawable.gallery_photo_2));
182        listRowAdapter.add(new PhotoItem(
183                "Android TV",
184                "by Google",
185                R.drawable.gallery_photo_3));
186        listRowAdapter.add(new PhotoItem(
187                "Leanback",
188                R.drawable.gallery_photo_4));
189        listRowAdapter.add(new PhotoItem(
190                "GuidedStep (Slide left/right)",
191                R.drawable.gallery_photo_5));
192        listRowAdapter.add(new PhotoItem(
193                "GuidedStep (Slide bottom up)",
194                "Open GuidedStepSupportFragment",
195                R.drawable.gallery_photo_6));
196        listRowAdapter.add(new PhotoItem(
197                "Android TV",
198                "open RowsSupportActivity",
199                R.drawable.gallery_photo_7));
200        listRowAdapter.add(new PhotoItem(
201                "Leanback",
202                "open BrowseSupportActivity",
203                R.drawable.gallery_photo_8));
204        listRowAdapter.add(new PhotoItem(
205                "Hello world",
206                R.drawable.gallery_photo_1));
207        listRowAdapter.add(new PhotoItem(
208                "This is a test",
209                "Only a test",
210                R.drawable.gallery_photo_2));
211        listRowAdapter.add(new PhotoItem(
212                "Android TV",
213                "by Google",
214                R.drawable.gallery_photo_3));
215        listRowAdapter.add(new PhotoItem(
216                "Leanback",
217                R.drawable.gallery_photo_4));
218        return listRowAdapter;
219    }
220
221    private final class ItemViewClickedListener implements OnItemViewClickedListener {
222        @Override
223        public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
224                RowPresenter.ViewHolder rowViewHolder, Row row) {
225
226            Intent intent;
227            Bundle bundle;
228            if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) {
229                GuidedStepSupportFragment.add(getFragmentManager(),
230                        new GuidedStepSupportHalfScreenActivity.FirstStepFragment(),
231                        R.id.lb_guidedstep_host);
232                return;
233            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_5) {
234                GuidedStepSupportFragment.add(getFragmentManager(),
235                        new GuidedStepSupportActivity.FirstStepFragment(), R.id.lb_guidedstep_host);
236                return;
237            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) {
238                intent = new Intent(getActivity(), BrowseSupportActivity.class);
239                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
240                        .toBundle();
241            } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) {
242                intent = new Intent(getActivity(), RowsSupportActivity.class);
243                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
244                        .toBundle();
245            } else {
246                intent = new Intent(getActivity(), DetailsSupportActivity.class);
247                intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
248                bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
249                        getActivity(),
250                        ((ImageCardView) itemViewHolder.view).getMainImageView(),
251                        DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
252            }
253            getActivity().startActivity(intent, bundle);
254        }
255    }
256
257    public static class PageRowFragmentFactory extends FragmentFactory {
258
259        @Override
260        public Fragment createFragment(Object rowObj) {
261            Row row = (Row) rowObj;
262            if (row.getHeaderItem().getId() == HEADER_ID1) {
263                return new SampleRowsSupportFragment();
264            } else if (row.getHeaderItem().getId() == HEADER_ID2) {
265                return new SampleRowsSupportFragment();
266            } else if (row.getHeaderItem().getId() == HEADER_ID3) {
267                return new SampleFragment();
268            }
269
270            return null;
271        }
272    }
273
274    public static class SampleRowsSupportFragment extends RowsSupportFragment {
275        final CardPresenter mCardPresenter = new CardPresenter();
276        final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme);
277
278        void loadFragmentData() {
279            ArrayObjectAdapter adapter = new ArrayObjectAdapter(new ListRowPresenter());
280            for (int i = 0; i < 4; i++) {
281                ListRow row = new ListRow(new HeaderItem("Row " + i), createListRowAdapter(i));
282                adapter.add(row);
283            }
284            if (getMainFragmentAdapter() != null) {
285                getMainFragmentAdapter().getFragmentHost()
286                        .notifyDataReady(getMainFragmentAdapter());
287            }
288            setAdapter(adapter);
289        }
290
291        public SampleRowsSupportFragment() {
292            // simulates late data loading:
293            new Handler().postDelayed(new Runnable() {
294                @Override
295                public void run() {
296                    loadFragmentData();
297                }
298            }, 500);
299
300            setOnItemViewClickedListener(new OnItemViewClickedListener() {
301                @Override
302                public void onItemClicked(
303                        Presenter.ViewHolder itemViewHolder,
304                        Object item,
305                        RowPresenter.ViewHolder rowViewHolder,
306                        Row row) {
307                    Intent intent;
308                    Bundle bundle;
309                    if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) {
310                        GuidedStepSupportFragment.add(getActivity().getSupportFragmentManager(),
311                                new GuidedStepSupportHalfScreenActivity.FirstStepFragment(),
312                                R.id.lb_guidedstep_host);
313                        return;
314                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_5) {
315                        GuidedStepSupportFragment.add(getActivity().getSupportFragmentManager(),
316                                new GuidedStepSupportActivity.FirstStepFragment(), R.id.lb_guidedstep_host);
317                        return;
318                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) {
319                        intent = new Intent(getActivity(), BrowseSupportActivity.class);
320                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
321                                .toBundle();
322                    } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) {
323                        intent = new Intent(getActivity(), RowsSupportActivity.class);
324                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity())
325                                .toBundle();
326                    } else {
327                        intent = new Intent(getActivity(), DetailsSupportActivity.class);
328                        intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
329                        bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
330                                getActivity(),
331                                ((ImageCardView) itemViewHolder.view).getMainImageView(),
332                                DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
333                    }
334                    getActivity().startActivity(intent, bundle);
335                }
336            });
337        }
338
339        private ArrayObjectAdapter createListRowAdapter(int i) {
340            ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ?
341                    mCardPresenter : mCardPresenter2);
342            listRowAdapter.add(new PhotoItem(
343                    "Hello world",
344                    R.drawable.gallery_photo_1));
345            listRowAdapter.add(new PhotoItem(
346                    "This is a test",
347                    "Only a test",
348                    R.drawable.gallery_photo_2));
349            listRowAdapter.add(new PhotoItem(
350                    "Android TV",
351                    "by Google",
352                    R.drawable.gallery_photo_3));
353            listRowAdapter.add(new PhotoItem(
354                    "Leanback",
355                    R.drawable.gallery_photo_4));
356            listRowAdapter.add(new PhotoItem(
357                    "GuidedStep (Slide left/right)",
358                    R.drawable.gallery_photo_5));
359            listRowAdapter.add(new PhotoItem(
360                    "GuidedStep (Slide bottom up)",
361                    "Open GuidedStepSupportFragment",
362                    R.drawable.gallery_photo_6));
363            listRowAdapter.add(new PhotoItem(
364                    "Android TV",
365                    "open RowsSupportActivity",
366                    R.drawable.gallery_photo_7));
367            listRowAdapter.add(new PhotoItem(
368                    "Leanback",
369                    "open BrowseSupportActivity",
370                    R.drawable.gallery_photo_8));
371            return listRowAdapter;
372        }
373    }
374
375    public static class PageFragmentAdapterImpl extends MainFragmentAdapter<SampleFragment> {
376
377        public PageFragmentAdapterImpl(SampleFragment fragment) {
378            super(fragment);
379            setScalingEnabled(true);
380        }
381
382        @Override
383        public void setEntranceTransitionState(boolean state) {
384            getFragment().setEntranceTransitionState(state);
385        }
386    }
387
388    public static class SampleFragment extends Fragment implements MainFragmentAdapterProvider {
389
390        final PageFragmentAdapterImpl mMainFragmentAdapter = new PageFragmentAdapterImpl(this);
391
392        public void setEntranceTransitionState(boolean state) {
393            final View view = getView();
394            int visibility = state ? View.VISIBLE : View.INVISIBLE;
395            view.findViewById(R.id.tv1).setVisibility(visibility);
396            view.findViewById(R.id.tv2).setVisibility(visibility);
397            view.findViewById(R.id.tv3).setVisibility(visibility);
398        }
399
400        @Override
401        public View onCreateView(
402                final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
403            View view = inflater.inflate(R.layout.page_fragment, container, false);
404            view.findViewById(R.id.tv1).setOnClickListener(new View.OnClickListener() {
405                @Override
406                public void onClick(View view) {
407                    Intent intent = new Intent(inflater.getContext(), GuidedStepSupportActivity.class);
408                    startActivity(intent);
409                }
410            });
411
412            return view;
413        }
414
415        @Override
416        public void onViewCreated(View view, Bundle savedInstanceState) {
417            // static layout has view and data ready immediately
418            mMainFragmentAdapter.getFragmentHost().notifyViewCreated(mMainFragmentAdapter);
419            mMainFragmentAdapter.getFragmentHost().notifyDataReady(mMainFragmentAdapter);
420        }
421
422        @Override
423        public MainFragmentAdapter getMainFragmentAdapter() {
424            return mMainFragmentAdapter;
425        }
426    }
427}
428