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 package com.example.android.leanback; 15 16 import android.content.Intent; 17 import android.os.Bundle; 18 import android.os.Handler; 19 import android.support.v4.app.ActivityOptionsCompat; 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.OnItemViewClickedListener; 26 import android.support.v17.leanback.widget.OnItemViewSelectedListener; 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.util.Log; 31 import android.view.View; 32 import android.view.ViewGroup; 33 34 public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragment { 35 private static final String TAG = "leanback.BrowseFragment"; 36 37 private static final boolean TEST_ENTRANCE_TRANSITION = true; 38 private static final int NUM_ROWS = 10; 39 private ArrayObjectAdapter mRowsAdapter; 40 41 @Override onCreate(Bundle savedInstanceState)42 public void onCreate(Bundle savedInstanceState) { 43 Log.i(TAG, "onCreate"); 44 super.onCreate(savedInstanceState); 45 46 setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title)); 47 setTitle("Leanback Sample App"); 48 setHeadersState(HEADERS_ENABLED); 49 50 setOnSearchClickedListener(new View.OnClickListener() { 51 @Override 52 public void onClick(View view) { 53 Intent intent = new Intent(getActivity(), SearchActivity.class); 54 startActivity(intent); 55 } 56 }); 57 58 setupRows(); 59 setOnItemViewClickedListener(new ItemViewClickedListener()); 60 setOnItemViewSelectedListener(new OnItemViewSelectedListener() { 61 @Override 62 public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item, 63 RowPresenter.ViewHolder rowViewHolder, Row row) { 64 Log.i(TAG, "onItemSelected: " + item + " row " + row); 65 } 66 }); 67 if (TEST_ENTRANCE_TRANSITION) { 68 // don't run entrance transition if Activity is restored. 69 if (savedInstanceState == null) { 70 prepareEntranceTransition(); 71 } 72 // simulate delay loading data 73 new Handler().postDelayed(new Runnable() { 74 public void run() { 75 startEntranceTransition(); 76 } 77 }, 2000); 78 } 79 } 80 setupRows()81 private void setupRows() { 82 ListRowPresenter lrp = new ListRowPresenter(); 83 lrp.setRowHeight(CardPresenter.getRowHeight(getActivity())); 84 lrp.setExpandedRowHeight(CardPresenter.getExpandedRowHeight(getActivity())); 85 86 mRowsAdapter = new ArrayObjectAdapter(lrp); 87 88 // For good performance, it's important to use a single instance of 89 // a card presenter for all rows using that presenter. 90 final CardPresenter cardPresenter = new CardPresenter(); 91 92 for (int i = 0; i < NUM_ROWS; ++i) { 93 ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter); 94 listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1)); 95 listRowAdapter.add(new PhotoItem("This is a test", "Only a test", R.drawable.gallery_photo_2)); 96 listRowAdapter.add(new PhotoItem("Android TV", "by Google", R.drawable.gallery_photo_3)); 97 listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4)); 98 listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5)); 99 listRowAdapter.add(new PhotoItem("This is a test", "Only a test", R.drawable.gallery_photo_6)); 100 listRowAdapter.add(new PhotoItem("Android TV", "open RowsActivity", R.drawable.gallery_photo_7)); 101 listRowAdapter.add(new PhotoItem("Leanback", "open MainActivity", R.drawable.gallery_photo_8)); 102 HeaderItem header = new HeaderItem(i, "Row " + i); 103 mRowsAdapter.add(new ListRow(header, listRowAdapter)); 104 } 105 106 setAdapter(mRowsAdapter); 107 } 108 109 private final class ItemViewClickedListener implements OnItemViewClickedListener { 110 @Override onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, RowPresenter.ViewHolder rowViewHolder, Row row)111 public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, 112 RowPresenter.ViewHolder rowViewHolder, Row row) { 113 114 Intent intent; 115 Bundle bundle; 116 if ( ((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_8) { 117 intent = new Intent(getActivity(), MainActivity.class); 118 bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity()) 119 .toBundle(); 120 } else if ( ((PhotoItem) item).getImageResourceId() == R.drawable.gallery_photo_7) { 121 intent = new Intent(getActivity(), RowsActivity.class); 122 bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(getActivity()) 123 .toBundle(); 124 } else { 125 intent = new Intent(getActivity(), DetailsActivity.class); 126 intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item); 127 bundle = ActivityOptionsCompat.makeSceneTransitionAnimation( 128 getActivity(), 129 ((ImageCardView)itemViewHolder.view).getMainImageView(), 130 DetailsActivity.SHARED_ELEMENT_NAME).toBundle(); 131 } 132 getActivity().startActivity(intent, bundle); 133 } 134 } 135 } 136