| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.example.android.leanback; |
| |
| import android.app.Fragment; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.support.v17.leanback.app.GuidedStepFragment; |
| import android.support.v17.leanback.app.RowsFragment; |
| import android.support.v17.leanback.app.RowsFragmentAdapter; |
| import android.support.v17.leanback.widget.ArrayObjectAdapter; |
| import android.support.v17.leanback.widget.HeaderItem; |
| import android.support.v17.leanback.widget.ImageCardView; |
| import android.support.v17.leanback.widget.ListRow; |
| import android.support.v17.leanback.widget.ListRowPresenter; |
| import android.support.v17.leanback.widget.ObjectAdapter; |
| import android.support.v17.leanback.widget.OnItemViewClickedListener; |
| import android.support.v17.leanback.widget.OnItemViewSelectedListener; |
| import android.support.v17.leanback.widget.PageRow; |
| import android.support.v17.leanback.widget.PageRowPresenter; |
| import android.support.v17.leanback.widget.Presenter; |
| import android.support.v17.leanback.widget.PresenterSelector; |
| import android.support.v17.leanback.widget.Row; |
| import android.support.v17.leanback.widget.RowPresenter; |
| import android.support.v4.app.ActivityOptionsCompat; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragment { |
| private static final String TAG = "leanback.BrowseFragment"; |
| |
| private static final boolean TEST_ENTRANCE_TRANSITION = true; |
| private static final int NUM_ROWS = 4; |
| |
| private ArrayObjectAdapter mRowsAdapter; |
| private BackgroundHelper mBackgroundHelper = new BackgroundHelper(); |
| |
| // For good performance, it's important to use a single instance of |
| // a card presenter for all rows using that presenter. |
| final CardPresenter mCardPresenter = new CardPresenter(); |
| final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme); |
| |
| public BrowseFragment() { |
| setMainFragmentAdapterFactory(new MainFragmentFactorAdapterImpl()); |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| Log.i(TAG, "onCreate"); |
| super.onCreate(savedInstanceState); |
| |
| setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title)); |
| setTitle("Leanback Sample App"); |
| setHeadersState(HEADERS_ENABLED); |
| |
| setOnSearchClickedListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View view) { |
| Intent intent = new Intent(getActivity(), SearchActivity.class); |
| startActivity(intent); |
| } |
| }); |
| |
| setupRows(); |
| setOnItemViewClickedListener(new ItemViewClickedListener()); |
| setOnItemViewSelectedListener(new OnItemViewSelectedListener() { |
| @Override |
| public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| Log.i(TAG, "onItemSelected: " + item + " row " + row); |
| |
| if (isShowingHeaders()) { |
| mBackgroundHelper.setBackground(getActivity(), null); |
| } else if (item instanceof PhotoItem) { |
| mBackgroundHelper.setBackground( |
| getActivity(), ((PhotoItem) item).getImageResourceId()); |
| } |
| } |
| }); |
| if (TEST_ENTRANCE_TRANSITION) { |
| // don't run entrance transition if fragment is restored. |
| if (savedInstanceState == null) { |
| prepareEntranceTransition(); |
| } |
| } |
| // simulates in a real world use case data being loaded two seconds later |
| new Handler().postDelayed(new Runnable() { |
| public void run() { |
| loadData(); |
| startEntranceTransition(); |
| } |
| }, 2000); |
| } |
| |
| @Override |
| public View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| return super.onCreateView(inflater, container, savedInstanceState); |
| } |
| |
| private void setupRows() { |
| mRowsAdapter = new ArrayObjectAdapter(new MyPresenterSelector()); |
| setAdapter(mRowsAdapter); |
| } |
| |
| private void loadData() { |
| int i = 0; |
| for (; i < NUM_ROWS; ++i) { |
| HeaderItem header = new HeaderItem(i, "Row " + i); |
| mRowsAdapter.add(new ListRow(header, createListRowAdapter(i))); |
| } |
| |
| HeaderItem header = new HeaderItem(NUM_ROWS, "Page Row " + 0); |
| mRowsAdapter.add(new PageRow(header)); |
| |
| header = new HeaderItem(NUM_ROWS, "Page Row " + 1); |
| mRowsAdapter.add(new PageRow(header)); |
| } |
| |
| private ArrayObjectAdapter createListRowAdapter(int i) { |
| ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ? |
| mCardPresenter : mCardPresenter2); |
| listRowAdapter.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1)); |
| listRowAdapter.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2)); |
| listRowAdapter.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3)); |
| listRowAdapter.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4)); |
| listRowAdapter.add(new PhotoItem( |
| "GuidedStep (Slide left/right)", |
| R.drawable.gallery_photo_5)); |
| listRowAdapter.add(new PhotoItem( |
| "GuidedStep (Slide bottom up)", |
| "Open GuidedStepFragment", |
| R.drawable.gallery_photo_6)); |
| listRowAdapter.add(new PhotoItem( |
| "Android TV", |
| "open RowsActivity", |
| R.drawable.gallery_photo_7)); |
| listRowAdapter.add(new PhotoItem( |
| "Leanback", |
| "open BrowseActivity", |
| R.drawable.gallery_photo_8)); |
| return listRowAdapter; |
| } |
| |
| private final class ItemViewClickedListener implements OnItemViewClickedListener { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| |
| Intent intent; |
| Bundle bundle; |
| if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_6) { |
| GuidedStepFragment.add(getFragmentManager(), |
| new GuidedStepHalfScreenActivity.FirstStepFragment(), |
| R.id.lb_guidedstep_host); |
| return; |
| } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_5) { |
| GuidedStepFragment.add(getFragmentManager(), |
| new GuidedStepActivity.FirstStepFragment(), R.id.lb_guidedstep_host); |
| return; |
| } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) { |
| intent = new Intent(getActivity(), BrowseActivity.class); |
| bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity()) |
| .toBundle(); |
| } else if (((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) { |
| intent = new Intent(getActivity(), RowsActivity.class); |
| bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity()) |
| .toBundle(); |
| } else { |
| intent = new Intent(getActivity(), DetailsActivity.class); |
| intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); |
| bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( |
| getActivity(), |
| ((ImageCardView) itemViewHolder.view).getMainImageView(), |
| DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); |
| } |
| getActivity().startActivity(intent, bundle); |
| } |
| } |
| |
| private static class MainFragmentFactorAdapterImpl extends MainFragmentAdapterFactory { |
| private AbstractMainFragmentAdapter pageFragmentAdapter1 = new PageFragmentAdapterImpl(); |
| private RowsFragmentAdapter gridPageFragmentAdapter; |
| |
| @Override |
| public AbstractMainFragmentAdapter getPageFragmentAdapter( |
| ObjectAdapter adapter, int position) { |
| if (position == 4) { |
| return pageFragmentAdapter1; |
| } else { |
| if (gridPageFragmentAdapter == null) { |
| gridPageFragmentAdapter = new GridPageFragmentAdapterImpl(); |
| } |
| return gridPageFragmentAdapter; |
| } |
| } |
| } |
| |
| private static class PageFragmentAdapterImpl extends AbstractMainFragmentAdapter { |
| private Fragment mFragment; |
| |
| PageFragmentAdapterImpl() { |
| setScalingEnabled(true); |
| } |
| |
| @Override |
| public Fragment getFragment() { |
| if (mFragment == null) { |
| mFragment = new SampleFragment(); |
| } |
| return mFragment; |
| } |
| } |
| |
| private static class GridPageFragmentAdapterImpl extends RowsFragmentAdapter { |
| final CardPresenter mCardPresenter = new CardPresenter(); |
| final CardPresenter mCardPresenter2 = new CardPresenter(R.style.MyImageCardViewTheme); |
| private RowsFragment mFragment; |
| |
| GridPageFragmentAdapterImpl() { |
| setScalingEnabled(true); |
| } |
| |
| protected Fragment createFragment() { |
| if (mFragment == null) { |
| mFragment = new RowsFragment(); |
| ArrayObjectAdapter adapter = new ArrayObjectAdapter(new ListRowPresenter()); |
| for (int i = 0; i < 4; i++) { |
| ListRow row = new ListRow(new HeaderItem("Row " + i), createListRowAdapter(i)); |
| adapter.add(row); |
| } |
| mFragment.setAdapter(adapter); |
| } |
| return mFragment; |
| } |
| |
| private ArrayObjectAdapter createListRowAdapter(int i) { |
| ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter((i & 1) == 0 ? |
| mCardPresenter : mCardPresenter2); |
| listRowAdapter.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1)); |
| listRowAdapter.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2)); |
| listRowAdapter.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3)); |
| listRowAdapter.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4)); |
| listRowAdapter.add(new PhotoItem( |
| "GuidedStep (Slide left/right)", |
| R.drawable.gallery_photo_5)); |
| listRowAdapter.add(new PhotoItem( |
| "GuidedStep (Slide bottom up)", |
| "Open GuidedStepFragment", |
| R.drawable.gallery_photo_6)); |
| listRowAdapter.add(new PhotoItem( |
| "Android TV", |
| "open RowsActivity", |
| R.drawable.gallery_photo_7)); |
| listRowAdapter.add(new PhotoItem( |
| "Leanback", |
| "open BrowseActivity", |
| R.drawable.gallery_photo_8)); |
| return listRowAdapter; |
| } |
| } |
| |
| private static class SampleFragment extends Fragment { |
| |
| @Override |
| public View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| return inflater.inflate(R.layout.page_fragment, container, false); |
| } |
| } |
| |
| private static class MyPresenterSelector extends PresenterSelector { |
| private Presenter[] presenters = { |
| new ListRowPresenter(), |
| new PageRowPresenter() |
| }; |
| |
| @Override |
| public Presenter getPresenter(Object item) { |
| if (item instanceof PageRow) { |
| return presenters[1]; |
| } |
| return presenters[0]; |
| } |
| |
| @Override |
| public Presenter[] getPresenters() { |
| return presenters; |
| } |
| } |
| } |
