| // CHECKSTYLE:OFF Generated code |
| /* This file is auto-generated from SearchFragment.java. DO NOT MODIFY. */ |
| |
| package com.example.android.leanback; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.support.v17.leanback.widget.ArrayObjectAdapter; |
| import android.support.v17.leanback.widget.DiffCallback; |
| 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.Presenter; |
| import android.support.v17.leanback.widget.Row; |
| import android.support.v17.leanback.widget.RowPresenter; |
| import android.support.v4.app.ActivityOptionsCompat; |
| import android.support.v4.content.res.ResourcesCompat; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| |
| public class SearchSupportFragment extends android.support.v17.leanback.app.SearchSupportFragment |
| implements android.support.v17.leanback.app.SearchSupportFragment.SearchResultProvider { |
| private static final String TAG = "leanback.SearchSupportFragment"; |
| private static final int NUM_ROWS = 3; |
| private static final int SEARCH_DELAY_MS = 1000; |
| |
| private ArrayObjectAdapter mRowsAdapter; |
| private Handler mHandler = new Handler(); |
| private String mQuery; |
| |
| // Flag to represent if data set one is presented in the fragment |
| private boolean mIsDataSetOnePresented; |
| |
| // Adapter for first row |
| private ArrayObjectAdapter mFirstRowAdapter; |
| |
| // The diff callback which defines the standard to judge if two items are the same or if |
| // two items have the same content. |
| private DiffCallback<PhotoItem> mDiffCallback = new DiffCallback<PhotoItem>() { |
| |
| // when two photo items have the same id, they are the same from adapter's |
| // perspective |
| @Override |
| public boolean areItemsTheSame(PhotoItem oldItem, PhotoItem newItem) { |
| return oldItem.getId() == newItem.getId(); |
| } |
| |
| // when two photo items is equal to each other (based on the equal method defined in |
| // PhotoItem), they have the same content. |
| @Override |
| public boolean areContentsTheSame(PhotoItem oldItem, PhotoItem newItem) { |
| return oldItem.equals(newItem); |
| } |
| }; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter()); |
| |
| final Context context = getActivity(); |
| setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(), |
| R.drawable.ic_title, context.getTheme())); |
| setTitle("Leanback Sample App"); |
| setSearchResultProvider(this); |
| setOnItemViewClickedListener(new ItemViewClickedListener()); |
| } |
| |
| @Override |
| public ObjectAdapter getResultsAdapter() { |
| return mRowsAdapter; |
| } |
| |
| @Override |
| public boolean onQueryTextChange(String newQuery) { |
| Log.i(TAG, String.format("Search Query Text Change %s", newQuery)); |
| mRowsAdapter.clear(); |
| loadQuery(newQuery); |
| return true; |
| } |
| |
| @Override |
| public boolean onQueryTextSubmit(String query) { |
| Log.i(TAG, String.format("Search Query Text Submit %s", query)); |
| mRowsAdapter.clear(); |
| loadQuery(query); |
| return true; |
| } |
| |
| private void loadQuery(String query) { |
| mQuery = query; |
| mHandler.removeCallbacks(mDelayedLoad); |
| if (!TextUtils.isEmpty(query) && !query.equals("nil")) { |
| mHandler.postDelayed(mDelayedLoad, SEARCH_DELAY_MS); |
| } |
| } |
| |
| private void loadRows() { |
| HeaderItem header = new HeaderItem(0, mQuery + " results row " + 0); |
| |
| // Every time when the query event is fired, we will update the fake search result in the |
| // first row based on the flag mIsDataSetOnePresented flag. |
| // Also the first row adapter will only be created once so the animation will be triggered |
| // when the items in the adapter changed. |
| if (!mIsDataSetOnePresented) { |
| if (mFirstRowAdapter == null) { |
| mFirstRowAdapter = createFirstListRowAdapter(); |
| } else { |
| mFirstRowAdapter.setItems(createDataSetOne(), mDiffCallback); |
| } |
| mIsDataSetOnePresented = true; |
| } else { |
| mFirstRowAdapter.setItems(createDataSetTwo(), mDiffCallback); |
| mIsDataSetOnePresented = false; |
| } |
| mRowsAdapter.add(new ListRow(header, mFirstRowAdapter)); |
| for (int i = 1; i < NUM_ROWS + 1; ++i) { |
| ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new CardPresenter()); |
| listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); |
| listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2)); |
| header = new HeaderItem(i, mQuery + " results row " + i); |
| mRowsAdapter.add(new ListRow(header, listRowAdapter)); |
| } |
| } |
| |
| private Runnable mDelayedLoad = new Runnable() { |
| @Override |
| public void run() { |
| loadRows(); |
| } |
| }; |
| |
| private final class ItemViewClickedListener implements OnItemViewClickedListener { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| Intent intent = new Intent(getActivity(), DetailsSupportActivity.class); |
| intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item); |
| |
| Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( |
| getActivity(), |
| ((ImageCardView) itemViewHolder.view).getMainImageView(), |
| DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle(); |
| getActivity().startActivity(intent, bundle); |
| } |
| } |
| |
| |
| private ArrayObjectAdapter createFirstListRowAdapter() { |
| ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new CardPresenter()); |
| listRowAdapter.setItems(createDataSetOne(), mDiffCallback); |
| mIsDataSetOnePresented = true; |
| return listRowAdapter; |
| } |
| |
| /** |
| * Create a data set (data set one) for the last row of this browse fragment. It will be |
| * changed by another set of data when user click one of the photo items in the list. |
| * Different with other rows in the browsing fragment, the photo item in last row all have been |
| * allocated with a unique id. And the id will be used to jduge if two photo items are the same |
| * or not. |
| * |
| * @return List of photoItem |
| */ |
| private ArrayList<PhotoItem> createDataSetOne() { |
| ArrayList<PhotoItem> photoItems = new ArrayList<>(); |
| photoItems.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1, |
| 1)); |
| photoItems.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2, |
| 2)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3, |
| 3)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4, |
| 4)); |
| photoItems.add(new PhotoItem( |
| "GuidedStep (Slide left/right)", |
| R.drawable.gallery_photo_5, |
| 5)); |
| photoItems.add(new PhotoItem( |
| "GuidedStep (Slide bottom up)", |
| "Open GuidedStepFragment", |
| R.drawable.gallery_photo_6, |
| 6)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| "open RowsActivity", |
| R.drawable.gallery_photo_7, |
| 7)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| "open BrowseActivity", |
| R.drawable.gallery_photo_8, |
| 8)); |
| photoItems.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1, |
| 1)); |
| photoItems.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2, |
| 2)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3, |
| 3)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4, |
| 4)); |
| return photoItems; |
| } |
| |
| /** |
| * Create a new data set (data set one) for the last row of this browse fragment. It will be |
| * changed by another set of data when user click one of the photo items in the list. |
| * Different with other rows in the browsing fragment, the photo item in last row all have been |
| * allocated with a unique id. And the id will be used to jduge if two photo items are the same |
| * or not. |
| * |
| * @return List of photoItem |
| */ |
| private ArrayList<PhotoItem> createDataSetTwo() { |
| ArrayList<PhotoItem> photoItems = new ArrayList<>(); |
| photoItems.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2, |
| 2)); |
| photoItems.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1, |
| 1)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4, |
| 4)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3, |
| 3)); |
| photoItems.add(new PhotoItem( |
| "change title", |
| R.drawable.gallery_photo_5, |
| 5)); |
| photoItems.add(new PhotoItem( |
| "GuidedStep (Slide bottom up)", |
| "change comment", |
| R.drawable.gallery_photo_6, |
| 6)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| R.drawable.gallery_photo_7, |
| 7)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| "open BrowseActivity", |
| R.drawable.gallery_photo_7, |
| 8)); |
| photoItems.add(new PhotoItem( |
| "Hello world", |
| R.drawable.gallery_photo_1, |
| 10)); |
| photoItems.add(new PhotoItem( |
| "This is a test", |
| "Only a test", |
| R.drawable.gallery_photo_2, |
| 20)); |
| photoItems.add(new PhotoItem( |
| "Android TV", |
| "by Google", |
| R.drawable.gallery_photo_3, |
| 30)); |
| photoItems.add(new PhotoItem( |
| "Leanback", |
| R.drawable.gallery_photo_4, |
| 40)); |
| return photoItems; |
| } |
| |
| } |
