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 15 package com.example.android.tvleanback.ui; 16 17 import android.content.Intent; 18 import android.os.Bundle; 19 import android.os.Handler; 20 import android.support.v17.leanback.widget.ArrayObjectAdapter; 21 import android.support.v17.leanback.widget.HeaderItem; 22 import android.support.v17.leanback.widget.ImageCardView; 23 import android.support.v17.leanback.widget.ListRow; 24 import android.support.v17.leanback.widget.ListRowPresenter; 25 import android.support.v17.leanback.widget.ObjectAdapter; 26 import android.support.v17.leanback.widget.OnItemViewClickedListener; 27 import android.support.v17.leanback.widget.Presenter; 28 import android.support.v17.leanback.widget.Row; 29 import android.support.v17.leanback.widget.RowPresenter; 30 import android.support.v4.app.ActivityOptionsCompat; 31 import android.text.TextUtils; 32 import android.util.Log; 33 import android.widget.Toast; 34 35 import com.example.android.tvleanback.R; 36 import com.example.android.tvleanback.data.VideoProvider; 37 import com.example.android.tvleanback.model.Movie; 38 import com.example.android.tvleanback.presenter.CardPresenter; 39 40 import java.util.HashMap; 41 import java.util.List; 42 import java.util.Locale; 43 import java.util.Map; 44 45 /* 46 * This class demonstrates how to do in-app search 47 */ 48 public class SearchFragment extends android.support.v17.leanback.app.SearchFragment 49 implements android.support.v17.leanback.app.SearchFragment.SearchResultProvider { 50 private static final String TAG = "SearchFragment"; 51 private static final int SEARCH_DELAY_MS = 1000; 52 53 private ArrayObjectAdapter mRowsAdapter; 54 private Handler mHandler = new Handler(); 55 private SearchRunnable mDelayedLoad; 56 private String mQuery; 57 58 @Override onCreate(Bundle savedInstanceState)59 public void onCreate(Bundle savedInstanceState) { 60 super.onCreate(savedInstanceState); 61 62 mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter()); 63 setSearchResultProvider(this); 64 setOnItemViewClickedListener(new ItemViewClickedListener()); 65 mDelayedLoad = new SearchRunnable(); 66 } 67 68 @Override getResultsAdapter()69 public ObjectAdapter getResultsAdapter() { 70 return mRowsAdapter; 71 } 72 73 @Override onQueryTextChange(String newQuery)74 public boolean onQueryTextChange(String newQuery) { 75 Log.i(TAG, String.format("Search Query Text Change %s", newQuery)); 76 loadQuery(newQuery); 77 return true; 78 } 79 80 @Override onQueryTextSubmit(String query)81 public boolean onQueryTextSubmit(String query) { 82 Log.i(TAG, String.format("Search Query Text Submit %s", query)); 83 loadQuery(query); 84 return true; 85 } 86 loadQuery(String query)87 private void loadQuery(String query) { 88 mQuery = query; 89 mRowsAdapter.clear(); 90 mHandler.removeCallbacks(mDelayedLoad); 91 if (!TextUtils.isEmpty(query) && !query.equals("nil")) { 92 mDelayedLoad.setSearchQuery(query); 93 mHandler.postDelayed(mDelayedLoad, SEARCH_DELAY_MS); 94 } 95 } 96 loadRows(String query)97 private void loadRows(String query) { 98 HashMap<String, List<Movie>> movies = VideoProvider.getMovieList(); 99 ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new CardPresenter()); 100 for (Map.Entry<String, List<Movie>> entry : movies.entrySet()) { 101 for (Movie movie : entry.getValue()) { 102 if (movie.getTitle().toLowerCase(Locale.ENGLISH) 103 .contains(query.toLowerCase(Locale.ENGLISH)) 104 || movie.getDescription().toLowerCase(Locale.ENGLISH) 105 .contains(query.toLowerCase(Locale.ENGLISH))) { 106 listRowAdapter.add(movie); 107 } 108 } 109 } 110 HeaderItem header = new HeaderItem(0, getResources().getString(R.string.search_results) 111 + " '" + mQuery + "'"); 112 mRowsAdapter.add(new ListRow(header, listRowAdapter)); 113 } 114 115 private class SearchRunnable implements Runnable { 116 117 private volatile String searchQuery; 118 SearchRunnable()119 public SearchRunnable() { 120 } 121 run()122 public void run() { 123 loadRows(searchQuery); 124 } 125 setSearchQuery(String value)126 public void setSearchQuery(String value) { 127 this.searchQuery = value; 128 } 129 } 130 131 private final class ItemViewClickedListener implements OnItemViewClickedListener { 132 @Override onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row)133 public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 134 RowPresenter.ViewHolder rowViewHolder, Row row) { 135 136 if (item instanceof Movie) { 137 Movie movie = (Movie) item; 138 Log.d(TAG, "Movie: " + movie.toString()); 139 Intent intent = new Intent(getActivity(), MovieDetailsActivity.class); 140 intent.putExtra(MovieDetailsActivity.MOVIE, movie); 141 142 Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 143 getActivity(), 144 ((ImageCardView) itemViewHolder.view).getMainImageView(), 145 MovieDetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 146 getActivity().startActivity(intent, bundle); 147 } else { 148 Toast.makeText(getActivity(), ((String) item), Toast.LENGTH_SHORT) 149 .show(); 150 } 151 } 152 } 153 154 155 } 156